コード例 #1
0
ファイル: train.py プロジェクト: rohitgajawada/chauffeur_GAN
def execute(gpu, exp_batch, exp_alias):
    # We set the visible cuda devices
    os.environ["CUDA_VISIBLE_DEVICES"] = gpu

    # At this point the log file with the correct naming is created.
    merge_with_yaml(os.path.join(exp_batch, exp_alias+'.yaml'))
    set_type_of_process('train')


    sys.stdout = open(str(os.getpid()) + ".out", "a", buffering=1)



    if monitorer.get_status(exp_batch, exp_alias, g_conf.PROCESS_NAME)[0] == "Finished":
        # TODO: print some cool summary or not ?
        return

    #Define the dataset. This structure is has the __get_item__ redefined in a way
    #that you can access the HDFILES positions from the root directory as a in a vector.
    full_dataset = os.path.join(os.environ["COIL_DATASET_PATH"], g_conf.DATASET_NAME)

    dataset = CoILDataset(full_dataset, transform=transforms.Compose([transforms.ToTensor()]))

    # Creates the sampler, this part is responsible for managing the keys. It divides
    # all keys depending on the measurements and produces a set of keys for each bach.
    sampler = CoILSampler(splitter.control_steer_split(dataset.measurements, dataset.meta_data))

    # The data loader is the multi threaded module from pytorch that release a number of
    # workers to get all the data.
    # TODO: batch size an number of workers go to some configuration file
    data_loader = torch.utils.data.DataLoader(dataset, sampler=sampler, batch_size=120,
                                              shuffle=False, num_workers=12, pin_memory=True)
    # By instanciating the augmenter we get a callable that augment images and transform them
    # into tensors.
    augmenter = iag.Augmenter(g_conf.AUGMENTATION_SUITE)

    # TODO: here there is clearly a posibility to make a cool "conditioning" system.

    model = CoILModel(g_conf.MODEL_NAME)
    model.cuda()
    print(model)

    criterion = Loss()

    # TODO: DATASET SIZE SEEMS WEIRD
    optimizer = optim.SGD(model.parameters(), lr=0.0001, momentum=0.9)


    checkpoint_file = get_latest_saved_checkpoint()
    if checkpoint_file != None:
        checkpoint = torch.load(os.path.join('_logs', exp_batch, exp_alias,
                                 'checkpoints', str(get_latest_saved_checkpoint())))
        iteration = checkpoint['iteration']
    else:
        iteration = 0

    # TODO: The checkpoint will continue, so the logs should restart ??? OR continue were it was



    print (dataset.meta_data)

    print (model)

    for data in data_loader:

        input_data, labels = data

        #TODO we have to divide the input with other data.

        #TODO, ADD ITERATION SCHEDULE
        input_rgb_data = augmenter(0, input_data['rgb'])

        # get the control commands from labels, size = [120,1]
        controls = labels[:, 24, :]

        # The output(branches) is a list of 5 branches results, each branch is with size [120,3]
        model.zero_grad()
        branches = model(input_rgb_data, labels[:, 10, :].cuda())

        #print ("len ",len(branches))

        # get the steer, gas and brake ground truth from labels
        steer_gt = labels[:, 0, :]
        gas_gt = labels[:, 1, :]
        brake_gt = labels[:, 2, :]
        speed_gt = labels[:, 10, :]

        targets = torch.cat([steer_gt, gas_gt, brake_gt], 1)

        loss = criterion.MSELoss(branches, targets.cuda(), controls.cuda(), speed_gt.cuda())

        loss.backward()
        optimizer.step()

        # TODO: save also the optimizer state dictionary
        if is_ready_to_save(iteration):

            state = {
                'iteration': iteration,
                'state_dict': model.state_dict()
            }
            # TODO : maybe already summarize the best model ???
            torch.save(state, os.path.join('_logs', exp_batch, exp_alias
                                           , 'checkpoints', str(iteration) + '.pth'))
        iteration += 1
コード例 #2
0
def execute(gpu, exp_batch, exp_alias):

    os.environ["CUDA_VISIBLE_DEVICES"] = gpu
    merge_with_yaml(os.path.join('configs', exp_batch, exp_alias + '.yaml'))
    set_type_of_process('train')

    coil_logger.add_message('Loading', {'GPU': gpu})
    if not os.path.exists('_output_logs'):
        os.mkdir('_output_logs')
    sys.stdout = open(os.path.join('_output_logs',
                      g_conf.PROCESS_NAME + '_' + str(os.getpid()) + ".out"), "a", buffering=1)
    if monitorer.get_status(exp_batch, exp_alias + '.yaml', g_conf.PROCESS_NAME)[0] == "Finished":
        return

    full_dataset = os.path.join(os.environ["COIL_DATASET_PATH"], g_conf.TRAIN_DATASET_NAME)
    dataset = CoILDataset(full_dataset, transform=transforms.Compose([transforms.ToPILImage(), transforms.Resize(128, 128), transforms.ToTensor(), transforms.Normalize([ 0.5,  0.5,  0.5], [ 1.0, 1.0, 1.0])]))

    sampler = BatchSequenceSampler(splitter.control_steer_split(dataset.measurements, dataset.meta_data),
                          g_conf.BATCH_SIZE, g_conf.NUMBER_IMAGES_SEQUENCE, g_conf.SEQUENCE_STRIDE)
    data_loader = torch.utils.data.DataLoader(dataset, batch_sampler=sampler,
                                              shuffle=False, num_workers=6, pin_memory=True)

    transform = transforms.Compose([transforms.Resize((88, 200))])
    l1weight = 1.0
    image_size = tuple([88, 200])
    testmode = 1

    # print("helllooooo", g_conf.MODEL_NAME)
    if g_conf.GANMODEL_NAME == 'LSDcontrol':
        netD = ganmodels._netD().cuda()
        netG = ganmodels._netG(skip=g_conf.SKIP).cuda()
    # else:
    #     netD = ganmodels._oldnetD().cuda()
    #     netG = ganmodels._oldnetG().cuda()

    init_weights(netD)
    init_weights(netG)
    print(netD)
    print(netG)

    optimD = torch.optim.Adam(netD.parameters(), lr=0.0002, betas=(0.5, 0.999))
    optimG = torch.optim.Adam(netG.parameters(), lr=0.0002, betas=(0.5, 0.999))
    MSE_loss = torch.nn.MSELoss().cuda()
    L1_loss = torch.nn.L1Loss().cuda()

    iteration = 0
    best_loss_iter = 0
    best_lossD = 1000000.0
    best_lossG = 1000000.0
    accumulated_time = 0

    netG.eval()
    netD.eval()
    capture_time = time.time()
    for data in data_loader:

        input_data, float_data = data
        inputs = input_data['rgb'].cuda()
        inputs = inputs.squeeze(1)
        print ("Inputs", i)

        #forward pass
        fake_inputs = netG(inputs)
        if iteration % 1000 == 0:
            coil_logger.add_image("Images", torch.cat((inputs[:3], fake_inputs[:3]), 0), iteration)

        ##--------------------Discriminator part!!!!!!!!!!-----------------------
        set_requires_grad(netD, True)
        optimD.zero_grad()

        ##fake
        outputsD_fake_forD = netD(fake_inputs.detach())

        labsize = outputsD_fake_forD.size()
        #Create labels of patchgan style with label smoothing
        labels_fake = torch.zeros(labsize[0], labsize[1], labsize[2], labsize[3]) #Fake labels
        label_fake_noise = torch.rand(labels_fake.size()) * 0.5 - 0.25 #Label smoothing
        labels_fake = labels_fake + label_fake_noise
        labels_fake = Variable(labels_fake).cuda()

        lossD_fake = MSE_loss(outputsD_fake_forD, labels_fake)

        ##real
        outputsD_real = netD(inputs)

        labsize = outputsD_real.size()
        #Create labels of patchgan style with label smoothing
        labels_real = torch.ones(labsize[0], labsize[1], labsize[2], labsize[3]) #Real labels
        label_real_noise = torch.rand(labels_real.size()) * 0.5 - 0.25 #Label smoothing
        labels_real = labels_real + label_real_noise
        labels_real = Variable(labels_real).cuda()

        lossD_real = MSE_loss(outputsD_real, labels_real)

        #Discriminator updates

        lossD = (lossD_real + lossD_fake) * 0.5
        lossD /= len(inputs)
        lossD.backward() #retain_graph=True needed?
        optimD.step()


        coil_logger.add_scalar('Total LossD', lossD.data, iteration)
        coil_logger.add_scalar('Real LossD', lossD_real.data / len(inputs), iteration)
        coil_logger.add_scalar('Fake LossD', lossD_fake.data / len(inputs), iteration)

        ##--------------------Generator part!!!!!!!!!!-----------------------

        #TODO change decoder architecture
        #TODO check norms of gradients later
        #TODO add auxiliary regression loss for steering

        set_requires_grad(netD, False)
        optimG.zero_grad()
        outputsD_fake_forG = netD(fake_inputs)
        #Generator updates

        lossG_adv = MSE_loss(outputsD_fake_forG, labels_real)
        lossG_smooth = L1_loss(fake_inputs, inputs)
        lossG = lossG_adv + l1weight * lossG_smooth
        lossG /= len(inputs)

        lossG.backward() #retain_graph=True needed?
        optimG.step()

        coil_logger.add_scalar('Total LossG', lossG.data, iteration)
        coil_logger.add_scalar('Adv LossG', lossG_adv.data / len(inputs), iteration)
        coil_logger.add_scalar('Smooth LossG', lossG_smooth.data / len(inputs), iteration)

        #optimization for one iter done!

        position = random.randint(0, len(float_data)-1)

        if lossD.data < best_lossD:
            best_lossD = lossD.data.tolist()

        if lossG.data < best_lossG:
            best_lossG = lossG.data.tolist()
            best_loss_iter = iteration

        accumulated_time += time.time() - capture_time
        capture_time = time.time()
        print("LossD", lossD.data.tolist(), "LossG", lossG.data.tolist(), "BestLossD", best_lossD, "BestLossG", best_lossG, "Iteration", iteration, "Best Loss Iteration", best_loss_iter)

        coil_logger.add_message('Iterating',
                                {'Iteration': iteration,
                                    'LossD': lossD.data.tolist(),
                                    'LossG': lossG.data.tolist(),
                                    'Images/s': (iteration*g_conf.BATCH_SIZE)/accumulated_time,
                                    'BestLossD': best_lossD, 'BestLossIteration': best_loss_iter,
                                    'BestLossG': best_lossG, 'BestLossIteration': best_loss_iter,
                                    'GroundTruth': dataset.extract_targets(float_data)[position].data.tolist(),
                                    'Inputs': dataset.extract_inputs(float_data)[position].data.tolist()},
                                iteration)
        if is_ready_to_save(iteration):

            state = {
                'iteration': iteration,
                'stateD_dict': netD.state_dict(),
                'stateG_dict': netG.state_dict(),
                'best_lossD': best_lossD,
                'best_lossG': best_lossG,
                'total_time': accumulated_time,
                'best_loss_iter': best_loss_iter

            }
            torch.save(state, os.path.join('/datatmp/Experiments/rohitgan/_logs', exp_batch, exp_alias
                                           , 'checkpoints', str(iteration) + '.pth'))
        if iteration == best_loss_iter:

            state = {
                'iteration': iteration,
                'stateD_dict': netD.state_dict(),
                'stateG_dict': netG.state_dict(),
                'best_lossD': best_lossD,
                'best_lossG': best_lossG,
                'total_time': accumulated_time,
                'best_loss_iter': best_loss_iter

            }
            torch.save(state, os.path.join('/datatmp/Experiments/rohitgan/_logs', exp_batch, exp_alias
                                           , 'best_modelG' + '.pth'))

        iteration += 1
コード例 #3
0
def execute(gpu, exp_batch, exp_alias):

    from time import gmtime, strftime

    manualSeed = g_conf.SEED
    torch.cuda.manual_seed(manualSeed)
    os.environ["CUDA_VISIBLE_DEVICES"] = gpu
    merge_with_yaml(os.path.join('configs', exp_batch, exp_alias + '.yaml'))
    set_type_of_process('train')

    coil_logger.add_message('Loading', {'GPU': gpu})
    if not os.path.exists('_output_logs'):
        os.mkdir('_output_logs')
    sys.stdout = open(os.path.join(
        '_output_logs', g_conf.PROCESS_NAME + '_' + str(os.getpid()) + ".out"),
                      "a",
                      buffering=1)
    if monitorer.get_status(exp_batch, exp_alias + '.yaml',
                            g_conf.PROCESS_NAME)[0] == "Finished":
        return

    full_dataset = os.path.join(os.environ["COIL_DATASET_PATH"],
                                g_conf.TRAIN_DATASET_NAME)
    real_dataset = g_conf.TARGET_DOMAIN_PATH
    #main data loader
    dataset = CoILDataset(full_dataset,
                          real_dataset,
                          transform=transforms.Compose([transforms.ToTensor()
                                                        ]))

    sampler = BatchSequenceSampler(
        splitter.control_steer_split(dataset.measurements,
                                     dataset.meta_data), g_conf.BATCH_SIZE,
        g_conf.NUMBER_IMAGES_SEQUENCE, g_conf.SEQUENCE_STRIDE)
    data_loader = torch.utils.data.DataLoader(dataset,
                                              batch_sampler=sampler,
                                              shuffle=False,
                                              num_workers=6,
                                              pin_memory=True)

    st = lambda aug: iag.Sometimes(aug, 0.4)
    oc = lambda aug: iag.Sometimes(aug, 0.3)
    rl = lambda aug: iag.Sometimes(aug, 0.09)
    augmenter = iag.Augmenter([iag.ToGPU()] + [
        rl(iag.GaussianBlur(
            (0, 1.5))),  # blur images with a sigma between 0 and 1.5
        rl(iag.AdditiveGaussianNoise(loc=0, scale=(
            0.0, 0.05), per_channel=0.5)),  # add gaussian noise to images
        oc(iag.Dropout((0.0, 0.10), per_channel=0.5)
           ),  # randomly remove up to X% of the pixels
        oc(
            iag.CoarseDropout(
                (0.0, 0.10), size_percent=(0.08, 0.2),
                per_channel=0.5)),  # randomly remove up to X% of the pixels
        oc(iag.Add((-40, 40), per_channel=0.5)
           ),  # change brightness of images (by -X to Y of original value)
        st(iag.Multiply((0.10, 2), per_channel=0.2)
           ),  # change brightness of images (X-Y% of original value)
        rl(iag.ContrastNormalization(
            (0.5, 1.5), per_channel=0.5)),  # improve or worsen the contrast
        rl(iag.Grayscale((0.0, 1))),  # put grayscale
    ]  # do all of the above in random order
                              )

    l1weight = g_conf.L1_WEIGHT
    task_adv_weight = g_conf.TASK_ADV_WEIGHT
    image_size = tuple([88, 200])

    print(strftime("%Y-%m-%d %H:%M:%S", gmtime()))
    print("GPU", gpu)
    print("Configurations of ", exp_alias)
    print("GANMODEL_NAME", g_conf.GANMODEL_NAME)
    print("LOSS_FUNCTION", g_conf.LOSS_FUNCTION)
    print("LR_G, LR_D, LR", g_conf.LR_G, g_conf.LR_D, g_conf.LEARNING_RATE)
    print("SKIP", g_conf.SKIP)
    print("TYPE", g_conf.TYPE)
    print("L1 WEIGHT", g_conf.L1_WEIGHT)
    print("TASK ADV WEIGHT", g_conf.TASK_ADV_WEIGHT)
    print("LAB SMOOTH", g_conf.LABSMOOTH)

    if g_conf.GANMODEL_NAME == 'LSDcontrol':
        netD = ganmodels._netD(loss=g_conf.LOSS_FUNCTION).cuda()
        netG = ganmodels._netG(loss=g_conf.LOSS_FUNCTION,
                               skip=g_conf.SKIP).cuda()
    elif g_conf.GANMODEL_NAME == 'LSDcontrol_nopatch':
        netD = ganmodels_nopatch._netD(loss=g_conf.LOSS_FUNCTION).cuda()
        netG = ganmodels_nopatch._netG(loss=g_conf.LOSS_FUNCTION).cuda()
    elif g_conf.GANMODEL_NAME == 'LSDcontrol_nopatch_smaller':
        netD = ganmodels_nopatch_smaller._netD(
            loss=g_conf.LOSS_FUNCTION).cuda()
        netG = ganmodels_nopatch_smaller._netG(
            loss=g_conf.LOSS_FUNCTION).cuda()

    elif g_conf.GANMODEL_NAME == 'LSDcontrol_task':
        netD_task = ganmodels_task._netD_task(loss=g_conf.LOSS_FUNCTION).cuda()
        netD_img = ganmodels_task._netD_img(loss=g_conf.LOSS_FUNCTION).cuda()
        netG = ganmodels_task._netG(loss=g_conf.LOSS_FUNCTION).cuda()
        netF = ganmodels_task._netF(loss=g_conf.LOSS_FUNCTION).cuda()

        if g_conf.PRETRAINED == 'RECON':
            netF_statedict = torch.load('netF_GAN_Pretrained.wts')
            netF.load_state_dict(netF_statedict)

        elif g_conf.PRETRAINED == 'IL':
            print("Loading IL")
            model_IL = torch.load('best_loss_20-06_EpicClearWeather.pth')
            model_IL_state_dict = model_IL['state_dict']

            netF_state_dict = netF.state_dict()

            print(len(netF_state_dict.keys()), len(model_IL_state_dict.keys()))
            for i, keys in enumerate(
                    zip(netF_state_dict.keys(), model_IL_state_dict.keys())):
                newkey, oldkey = keys
                # if newkey.split('.')[0] == "branch" and oldkey.split('.')[0] == "branches":
                #     print("No Transfer of ",  newkey, " to ", oldkey)
                # else:
                print("Transferring ", newkey, " to ", oldkey)
                netF_state_dict[newkey] = model_IL_state_dict[oldkey]

            netF.load_state_dict(netF_state_dict)
            print("IL Model Loaded!")

    elif g_conf.GANMODEL_NAME == 'LSDcontrol_task_2d':
        netD_bin = ganmodels_task._netD_task().cuda()
        netD_img = ganmodels_task._netD_img().cuda()
        netG = ganmodels_task._netG().cuda()
        netF = ganmodels_task._netF().cuda()

        if g_conf.PRETRAINED == 'IL':
            print("Loading IL")
            model_IL = torch.load(g_conf.IL_AGENT_PATH)
            model_IL_state_dict = model_IL['state_dict']

            netF_state_dict = netF.state_dict()

            print(len(netF_state_dict.keys()), len(model_IL_state_dict.keys()))
            for i, keys in enumerate(
                    zip(netF_state_dict.keys(), model_IL_state_dict.keys())):
                newkey, oldkey = keys
                print("Transferring ", newkey, " to ", oldkey)
                netF_state_dict[newkey] = model_IL_state_dict[oldkey]

            netF.load_state_dict(netF_state_dict)
            print("IL Model Loaded!")

            ####
            if g_conf.IF_AUG:
                print("Loading Aug Decoder")
                model_dec = torch.load(g_conf.DECODER_RECON_PATH)
            else:
                print("Loading Decoder")
                model_dec = torch.load(g_conf.DECODER_RECON_PATH)
            model_dec_state_dict = model_dec['stateG_dict']

            netG_state_dict = netG.state_dict()

            print(len(netG_state_dict.keys()),
                  len(model_dec_state_dict.keys()))
            for i, keys in enumerate(
                    zip(netG_state_dict.keys(), model_dec_state_dict.keys())):
                newkey, oldkey = keys
                print("Transferring ", newkey, " to ", oldkey)
                netG_state_dict[newkey] = model_dec_state_dict[oldkey]

            netG.load_state_dict(netG_state_dict)
            print("Decoder Model Loaded!")

    init_weights(netD_bin)
    init_weights(netD_img)
    # init_weights(netG)

    print(netD_bin)
    print(netF)

    optimD_bin = torch.optim.Adam(netD_bin.parameters(),
                                  lr=g_conf.LR_D,
                                  betas=(0.5, 0.999))
    optimD_img = torch.optim.Adam(netD_img.parameters(),
                                  lr=g_conf.LR_D,
                                  betas=(0.5, 0.999))
    optimG = torch.optim.Adam(netG.parameters(),
                              lr=g_conf.LR_D,
                              betas=(0.5, 0.999))
    if g_conf.TYPE == 'task':
        optimF = torch.optim.Adam(netF.parameters(), lr=g_conf.LEARNING_RATE)
        Task_Loss = TaskLoss()

    if g_conf.GANMODEL_NAME == 'LSDcontrol_task_2d':
        print("Using cross entropy!")
        Loss = torch.nn.CrossEntropyLoss().cuda()

    L1_loss = torch.nn.L1Loss().cuda()

    iteration = 0
    best_loss_iter_F = 0
    best_loss_iter_G = 0
    best_lossF = 1000000.0
    best_lossD = 1000000.0
    best_lossG = 1000000.0
    accumulated_time = 0
    gen_iterations = 0
    n_critic = g_conf.N_CRITIC

    lossF = Variable(torch.Tensor([100.0]))
    lossG_adv = Variable(torch.Tensor([100.0]))
    lossG_smooth = Variable(torch.Tensor([100.0]))
    lossG = Variable(torch.Tensor([100.0]))

    netD_bin.train()
    netD_img.train()
    netG.train()
    netF.train()
    capture_time = time.time()

    if not os.path.exists('./imgs_' + exp_alias):
        os.mkdir('./imgs_' + exp_alias)

    #TODO check how C network is optimized in LSDSEG
    #TODO put family for losses
    #IMPORTANT WHILE RUNNING THIS, CONV.PY MUST HAVE BATCHNORMS

    fake_img_pool_src = ImagePool(50)
    fake_img_pool_tgt = ImagePool(50)

    for data in data_loader:

        set_requires_grad(netD_bin, True)
        set_requires_grad(netD_img, True)
        set_requires_grad(netG, True)
        set_requires_grad(netF, True)

        # print("ITERATION:", iteration)

        val = 0.0
        input_data, float_data, tgt_imgs = data

        if g_conf.IF_AUG:
            inputs = augmenter(0, input_data['rgb'])
            tgt_imgs = augmenter(0, tgt_imgs)
        else:
            inputs = input_data['rgb'].cuda()
            tgt_imgs = tgt_imgs.cuda()

        inputs = inputs.squeeze(1)
        inputs = inputs - val  #subtracted by 0.5
        tgt_imgs = tgt_imgs - val  #subtracted by 0.5

        controls = float_data[:, dataset.controls_position(), :]

        src_embed_inputs, src_branches = netF(
            inputs,
            dataset.extract_inputs(float_data).cuda())
        tgt_embed_inputs = netF(tgt_imgs, None)

        src_img_fake = netG(src_embed_inputs)
        tgt_img_fake = netG(tgt_embed_inputs)

        if iteration % 100 == 0:
            imgs_to_save = torch.cat(
                (inputs[:1] + val, src_img_fake[:1] + val, tgt_imgs[:1] + val,
                 tgt_img_fake[:1] + val), 0).cpu().data
            coil_logger.add_image("Images", imgs_to_save, iteration)
            imgs_to_save = imgs_to_save.clamp(0.0, 1.0)
            vutils.save_image(imgs_to_save,
                              './imgs_' + exp_alias + '/' + str(iteration) +
                              '_real_and_fake.png',
                              normalize=False)

        ##--------------------Discriminator part!!!!!!!!!!-------------------##
        set_requires_grad(netD_bin, True)
        set_requires_grad(netD_img, False)
        set_requires_grad(netG, False)
        set_requires_grad(netF, False)
        optimD_bin.zero_grad()

        outputsD_real_src_bin = netD_bin(src_embed_inputs)
        outputsD_real_tgt_bin = netD_bin(tgt_embed_inputs)

        gradient_penalty = calc_gradient_penalty(netD_bin, src_embed_inputs,
                                                 tgt_embed_inputs)
        lossD_bin = torch.mean(outputsD_real_tgt_bin -
                               outputsD_real_src_bin) + gradient_penalty
        lossD_bin.backward(retain_graph=True)
        optimD_bin.step()

        coil_logger.add_scalar('Total LossD Bin', lossD_bin.data, iteration)

        #### Discriminator img update ####
        set_requires_grad(netD_bin, False)
        set_requires_grad(netD_img, True)
        set_requires_grad(netG, False)
        set_requires_grad(netF, False)

        optimD_img.zero_grad()
        outputsD_fake_src_img = netD_img(src_img_fake.detach())
        outputsD_fake_tgt_img = netD_img(tgt_img_fake.detach())

        outputsD_real_src_img = netD_img(inputs)
        outputsD_real_tgt_img = netD_img(tgt_imgs)

        gradient_penalty_src = calc_gradient_penalty(netD_img, inputs,
                                                     src_img_fake)
        lossD_img_src = torch.mean(
            outputsD_fake_src_img -
            outputsD_real_src_img) + gradient_penalty_src

        gradient_penalty_tgt = calc_gradient_penalty(netD_img, tgt_imgs,
                                                     tgt_img_fake)
        lossD_img_tgt = torch.mean(
            outputsD_fake_tgt_img -
            outputsD_real_tgt_img) + gradient_penalty_tgt

        lossD_img = (lossD_img_src + lossD_img_tgt) * 0.5
        lossD_img.backward(retain_graph=True)
        optimD_img.step()

        coil_logger.add_scalar('Total LossD img', lossD_img.data, iteration)

        if ((iteration + 1) % n_critic) == 0:

            #####Generator updates#######
            set_requires_grad(netD_bin, False)
            set_requires_grad(netD_img, False)
            set_requires_grad(netG, True)
            set_requires_grad(netF, False)

            outputsD_fake_src_img = netD_img(src_img_fake)
            outputsD_real_tgt_img = netD_img(tgt_imgs)
            outputsD_fake_tgt_img = netD_img(tgt_img_fake)

            lossG_src_smooth = L1_loss(src_img_fake, inputs)
            lossG_tgt_smooth = L1_loss(tgt_img_fake, tgt_imgs)
            lossG_smooth = (lossG_src_smooth + lossG_tgt_smooth) * 0.5

            lossG_adv = 0.5 * (-1.0 * outputsD_fake_src_img.mean() -
                               1.0 * outputsD_fake_tgt_img.mean())
            lossG = (lossG_smooth + 0.0 * lossG_adv)
            lossG.backward(retain_graph=True)
            optimG.step()

            coil_logger.add_scalar('Total LossG', lossG.data, iteration)

            #####Task network updates##########################
            set_requires_grad(netD_bin, False)
            set_requires_grad(netD_img, False)
            set_requires_grad(netG, False)
            set_requires_grad(netF, True)
            optimF.zero_grad()

            src_embed_inputs, src_branches = netF(
                inputs,
                dataset.extract_inputs(float_data).cuda())
            tgt_embed_inputs = netF(tgt_imgs, None)
            src_img_fake = netG(src_embed_inputs)
            tgt_img_fake = netG(tgt_embed_inputs)

            outputsD_fake_src_img = netD_img(src_img_fake)
            outputsD_real_tgt_img = netD_img(tgt_imgs)

            lossF_task = Task_Loss.MSELoss(
                src_branches,
                dataset.extract_targets(float_data).cuda(), controls.cuda(),
                dataset.extract_inputs(float_data).cuda())

            lossF_adv_bin = netD_bin(src_embed_inputs).mean() - netD_bin(
                tgt_embed_inputs).mean()
            lossF_adv_img = outputsD_fake_src_img.mean(
            ) - outputsD_real_tgt_img.mean()
            lossF_adv = 0.5 * (lossF_adv_bin + 0.1 * lossF_adv_img)
            lossF = (lossF_task + task_adv_weight * lossF_adv)

            coil_logger.add_scalar('Total Task Loss', lossF.data, iteration)
            coil_logger.add_scalar('Adv Task Loss', lossF_adv.data, iteration)
            coil_logger.add_scalar('Only Task Loss', lossF_task.data,
                                   iteration)
            lossF.backward(retain_graph=True)
            optimF.step()

            if lossF.data < best_lossF:
                best_lossF = lossF.data.tolist()
                best_loss_iter_F = iteration

        #optimization for one iter done!

        position = random.randint(0, len(float_data) - 1)

        accumulated_time += time.time() - capture_time
        capture_time = time.time()

        if is_ready_to_save(iteration):

            state = {
                'iteration': iteration,
                'stateD_bin_dict': netD_bin.state_dict(),
                'stateF_dict': netF.state_dict(),
                'best_lossD': best_lossD,
                'total_time': accumulated_time,
                'best_loss_iter_F': best_loss_iter_F
            }
            torch.save(
                state,
                os.path.join('/datatmp/Experiments/rohitgan/_logs', exp_batch,
                             exp_alias, 'checkpoints',
                             str(iteration) + '.pth'))

        if iteration == best_loss_iter_F and iteration > 10000:

            state = {
                'iteration': iteration,
                'stateD_bin_dict': netD_bin.state_dict(),
                'stateF_dict': netF.state_dict(),
                'best_lossD': best_lossD,
                'best_lossF': best_lossF,
                'total_time': accumulated_time,
                'best_loss_iter_F': best_loss_iter_F
            }
            torch.save(
                state,
                os.path.join('/datatmp/Experiments/rohitgan/_logs', exp_batch,
                             exp_alias, 'best_modelF' + '.pth'))

        iteration += 1
コード例 #4
0
def execute(gpu, exp_batch, exp_alias):

    os.environ["CUDA_VISIBLE_DEVICES"] = gpu
    merge_with_yaml(os.path.join('configs', exp_batch, exp_alias + '.yaml'))
    set_type_of_process('train')

    coil_logger.add_message('Loading', {'GPU': gpu})
    if not os.path.exists('_output_logs'):
        os.mkdir('_output_logs')
    sys.stdout = open(os.path.join(
        '_output_logs', g_conf.PROCESS_NAME + '_' + str(os.getpid()) + ".out"),
                      "a",
                      buffering=1)
    if monitorer.get_status(exp_batch, exp_alias + '.yaml',
                            g_conf.PROCESS_NAME)[0] == "Finished":
        return

    full_dataset = os.path.join(os.environ["COIL_DATASET_PATH"],
                                g_conf.TRAIN_DATASET_NAME)
    dataset = CoILDataset(full_dataset,
                          transform=transforms.Compose([transforms.ToTensor()
                                                        ]))

    sampler = BatchSequenceSampler(
        splitter.control_steer_split(dataset.measurements,
                                     dataset.meta_data), g_conf.BATCH_SIZE,
        g_conf.NUMBER_IMAGES_SEQUENCE, g_conf.SEQUENCE_STRIDE)
    data_loader = torch.utils.data.DataLoader(dataset,
                                              batch_sampler=sampler,
                                              shuffle=False,
                                              num_workers=6,
                                              pin_memory=True)

    l1weight = g_conf.L1_WEIGHT
    image_size = tuple([88, 200])

    if g_conf.TRAIN_TYPE == 'WGAN':
        clamp_value = g_conf.CLAMP
        n_critic = g_conf.N_CRITIC

    print("Configurations of ", exp_alias)
    print("GANMODEL_NAME", g_conf.GANMODEL_NAME)
    print("LOSS_FUNCTION", g_conf.LOSS_FUNCTION)
    print("LR_G, LR_D, LR", g_conf.LR_G, g_conf.LR_D, g_conf.LEARNING_RATE)
    print("SKIP", g_conf.SKIP)
    print("TYPE", g_conf.TYPE)
    print("L1 WEIGHT", g_conf.L1_WEIGHT)
    print("LAB SMOOTH", g_conf.LABSMOOTH)

    if g_conf.GANMODEL_NAME == 'LSDcontrol':
        netD = ganmodels._netD(loss=g_conf.LOSS_FUNCTION).cuda()
        netG = ganmodels._netG(loss=g_conf.LOSS_FUNCTION,
                               skip=g_conf.SKIP).cuda()
    elif g_conf.GANMODEL_NAME == 'LSDcontrol_nopatch':
        netD = ganmodels_nopatch._netD(loss=g_conf.LOSS_FUNCTION).cuda()
        netG = ganmodels_nopatch._netG(loss=g_conf.LOSS_FUNCTION).cuda()
    elif g_conf.GANMODEL_NAME == 'LSDcontrol_nopatch_smaller':
        netD = ganmodels_nopatch_smaller._netD(
            loss=g_conf.LOSS_FUNCTION).cuda()
        netG = ganmodels_nopatch_smaller._netG(
            loss=g_conf.LOSS_FUNCTION).cuda()

    elif g_conf.GANMODEL_NAME == 'LSDcontrol_task':
        netD = ganmodels_task._netD(loss=g_conf.LOSS_FUNCTION).cuda()
        netG = ganmodels_task._netG(loss=g_conf.LOSS_FUNCTION).cuda()
        netF = ganmodels_task._netF(loss=g_conf.LOSS_FUNCTION).cuda()

        if g_conf.PRETRAINED == 'RECON':
            netF_statedict = torch.load('netF_GAN_Pretrained.wts')
            netF.load_state_dict(netF_statedict)
        elif g_conf.PRETRAINED == 'IL':
            model_IL = torch.load('best_loss_20-06_EpicClearWeather.pth')
            model_IL_state_dict = model_IL['state_dict']

            netF_state_dict = netF.state_dict()
            for i, keys in enumerate(
                    zip(netF_state_dict.keys(), model_IL_state_dict.keys())):
                newkey, oldkey = keys
                if newkey.split('.')[0] == "branch" and oldkey.split(
                        '.')[0] == "branches":
                    print("No Transfer of ", newkey, " to ", oldkey)
                else:
                    print("Transferring ", newkey, " to ", oldkey)
                    netF_state_dict[newkey] = model_IL_state_dict[oldkey]
                netF.load_state_dict(netF_state_dict)

    init_weights(netD)
    init_weights(netG)
    #do init for netF also later but now it is in the model code itself

    print(netD)
    print(netF)
    print(netG)

    optimD = torch.optim.Adam(netD.parameters(),
                              lr=g_conf.LR_D,
                              betas=(0.5, 0.999))
    optimG = torch.optim.Adam(netG.parameters(),
                              lr=g_conf.LR_G,
                              betas=(0.5, 0.999))
    if g_conf.TYPE == 'task':
        optimF = torch.optim.Adam(netF.parameters(), lr=g_conf.LEARNING_RATE)
        Task_Loss = TaskLoss()

    if g_conf.LOSS_FUNCTION == 'LSGAN':
        Loss = torch.nn.MSELoss().cuda()
    elif g_conf.LOSS_FUNCTION == 'NORMAL':
        Loss = torch.nn.BCEWithLogitsLoss().cuda()

    L1_loss = torch.nn.L1Loss().cuda()

    iteration = 0
    best_loss_iter_F = 0
    best_loss_iter_G = 0
    best_lossF = 1000000.0
    best_lossD = 1000000.0
    best_lossG = 1000000.0
    accumulated_time = 0
    lossF = Variable(torch.Tensor([100.0]))

    lossG_adv = Variable(torch.Tensor([100.0]))
    lossG_smooth = Variable(torch.Tensor([100.0]))
    lossG = Variable(torch.Tensor([100.0]))

    netG.train()
    netD.train()
    netF.train()
    capture_time = time.time()

    if not os.path.exists('./imgs_' + exp_alias):
        os.mkdir('./imgs_' + exp_alias)

    #TODO put family for losses

    fake_img_pool = ImagePool(50)

    for data in data_loader:

        set_requires_grad(netD, True)
        set_requires_grad(netF, True)
        set_requires_grad(netG, True)

        # print("ITERATION:", iteration)

        val = 0.0
        input_data, float_data = data
        inputs = input_data['rgb'].cuda()
        inputs = inputs.squeeze(1)
        inputs_in = inputs - val  #subtracted by 0.5

        #TODO: make sure the F network does not get optimized by G optim
        controls = float_data[:, dataset.controls_position(), :]
        embed, branches = netF(inputs_in,
                               dataset.extract_inputs(float_data).cuda())
        print("Branch Outputs:::", branches[0][0])

        embed_inputs = embed
        fake_inputs = netG(embed_inputs)
        fake_inputs_in = fake_inputs

        if iteration % 500 == 0:
            imgs_to_save = torch.cat(
                (inputs_in[:2] + val, fake_inputs_in[:2] + val), 0).cpu().data
            vutils.save_image(imgs_to_save,
                              './imgs_' + exp_alias + '/' + str(iteration) +
                              '_real_and_fake.png',
                              normalize=True)
            coil_logger.add_image("Images", imgs_to_save, iteration)

        ##--------------------Discriminator part!!!!!!!!!!-------------------##
        set_requires_grad(netD, True)
        set_requires_grad(netF, False)
        set_requires_grad(netG, False)
        optimD.zero_grad()

        ##fake
        # fake_inputs_forD = fake_img_pool.query(fake_inputs)
        outputsD_fake_forD = netD(fake_inputs)

        labsize = outputsD_fake_forD.size()
        labels_fake = torch.zeros(labsize)  #Fake labels
        label_fake_noise = torch.rand(
            labels_fake.size()) * 0.1  #Label smoothing

        if g_conf.LABSMOOTH == 1:
            labels_fake = labels_fake + label_fake_noise

        labels_fake = Variable(labels_fake).cuda()
        lossD_fake = torch.mean(
            outputsD_fake_forD)  #Loss(outputsD_fake_forD, labels_fake)

        ##real
        outputsD_real = netD(inputs_in)

        labsize = outputsD_real.size()
        labels_real = torch.ones(labsize)  #Real labels
        label_real_noise = torch.rand(
            labels_real.size()) * 0.1  #Label smoothing

        if g_conf.LABSMOOTH == 1:
            labels_real = labels_real - label_real_noise

        labels_real = Variable(labels_real).cuda()
        lossD_real = -1.0 * torch.mean(
            outputsD_real)  #Loss(outputsD_real, labels_real)

        ### Gradient Penalty ###
        gradient_penalty = calc_gradient_penalty(netD, inputs, fake_inputs)
        # alpha = torch.rand((g_conf.BATCH_SIZE, 1, 1, 1))
        # alpha = alpha.cuda()
        #
        # x_hat = alpha * inputs.data + (1 - alpha) * fake_inputs.data
        # x_hat.requires_grad = True
        #
        # pred_hat = netD(x_hat)
        # gradients = grad(outputs=pred_hat, inputs=x_hat, grad_outputs=torch.ones(pred_hat.size()).cuda(),
        #                 create_graph=True, retain_graph=True, only_inputs=True)[0]
        #
        # gradient_penalty = 10 * ((gradients.view(gradients.size()[0], -1).norm(2, 1) - 1) ** 2).mean()

        #Discriminator updates

        lossD = torch.mean(
            outputsD_fake_forD -
            outputsD_real) + gradient_penalty  #(lossD_real + lossD_fake) * 0.5
        # lossD /= len(inputs)
        print("Loss d", lossD)
        lossD.backward(retain_graph=True)
        optimD.step()

        # if g_conf.TRAIN_TYPE == 'WGAN':
        #     for p in netD.parameters():
        #         p.data.clamp_(-clamp_value, clamp_value)

        coil_logger.add_scalar('Total LossD', lossD.data, iteration)
        coil_logger.add_scalar('Real LossD', lossD_real.data / len(inputs),
                               iteration)
        coil_logger.add_scalar('Fake LossD', lossD_fake.data / len(inputs),
                               iteration)

        ##--------------------Generator part!!!!!!!!!!-----------------------##
        set_requires_grad(netD, False)
        set_requires_grad(netF, False)
        set_requires_grad(netG, True)

        if ((iteration + 1) % n_critic) == 0:
            optimG.zero_grad()
            outputsD_fake_forG = netD(fake_inputs)

            #Generator updates
            lossG_adv = -1.0 * torch.mean(
                outputsD_fake_forG)  #Loss(outputsD_fake_forG, labels_real)
            lossG_smooth = L1_loss(fake_inputs, inputs)
            lossG = (lossG_adv + l1weight * lossG_smooth) / (1.0 + l1weight)
            # lossG /= len(inputs)
            print(lossG)
            lossG.backward(retain_graph=True)
            optimG.step()

            #####Task network updates##########################
            set_requires_grad(netD, False)
            set_requires_grad(netF, True)
            set_requires_grad(netG, False)

            optimF.zero_grad()
            lossF = Variable(torch.Tensor())
            lossF = Task_Loss.MSELoss(
                branches,
                dataset.extract_targets(float_data).cuda(), controls.cuda(),
                dataset.extract_inputs(float_data).cuda())
            coil_logger.add_scalar('Task Loss', lossF.data, iteration)
            lossF.backward()
            optimF.step()

        coil_logger.add_scalar('Total LossG', lossG.data, iteration)
        coil_logger.add_scalar('Adv LossG', lossG_adv.data / len(inputs),
                               iteration)
        coil_logger.add_scalar('Smooth LossG', lossG_smooth.data / len(inputs),
                               iteration)

        #optimization for one iter done!

        position = random.randint(0, len(float_data) - 1)
        if lossD.data < best_lossD:
            best_lossD = lossD.data.tolist()
        # print (lossG.item(), best_lossG)
        if lossG.item() < best_lossG:
            best_lossG = lossG.item()
            best_loss_iter_G = iteration

        if lossF.item() < best_lossF:
            best_lossF = lossF.item()
            best_loss_iter_F = iteration

        accumulated_time += time.time() - capture_time
        capture_time = time.time()
        print("LossD", lossD.data.tolist(), "LossG", lossG.data.tolist(),
              "BestLossD", best_lossD, "BestLossG", best_lossG, "LossF", lossF,
              "BestLossF", best_lossF, "Iteration", iteration,
              "Best Loss Iteration G", best_loss_iter_G,
              "Best Loss Iteration F", best_loss_iter_F)

        coil_logger.add_message(
            'Iterating', {
                'Iteration':
                iteration,
                'LossD':
                lossD.data.tolist(),
                'LossG':
                lossG.data.tolist(),
                'Images/s': (iteration * g_conf.BATCH_SIZE) / accumulated_time,
                'BestLossD':
                best_lossD,
                'BestLossG':
                best_lossG,
                'BestLossIterationG':
                best_loss_iter_G,
                'BestLossF':
                best_lossF,
                'BestLossIterationF':
                best_loss_iter_F,
                'GroundTruth':
                dataset.extract_targets(float_data)[position].data.tolist(),
                'Inputs':
                dataset.extract_inputs(float_data)[position].data.tolist()
            }, iteration)

        if is_ready_to_save(iteration):

            state = {
                'iteration': iteration,
                'stateD_dict': netD.state_dict(),
                'stateG_dict': netG.state_dict(),
                'stateF_dict': netF.state_dict(),
                'best_lossD': best_lossD,
                'best_lossG': best_lossG,
                'total_time': accumulated_time,
                'best_loss_iter_G': best_loss_iter_G,
                'best_loss_iter_F': best_loss_iter_F
            }
            torch.save(
                state,
                os.path.join('/datatmp/Experiments/rohitgan/_logs', exp_batch,
                             exp_alias, 'checkpoints',
                             str(iteration) + '.pth'))
        if iteration == best_loss_iter_G and iteration > 10000:

            state = {
                'iteration': iteration,
                'stateD_dict': netD.state_dict(),
                'stateG_dict': netG.state_dict(),
                'stateF_dict': netF.state_dict(),
                'best_lossD': best_lossD,
                'best_lossG': best_lossG,
                'total_time': accumulated_time,
                'best_loss_iter_G': best_loss_iter_G
            }
            torch.save(
                state,
                os.path.join('/datatmp/Experiments/rohitgan/_logs', exp_batch,
                             exp_alias, 'best_modelG' + '.pth'))

        if iteration == best_loss_iter_F and iteration > 10000:

            state = {
                'iteration': iteration,
                'stateD_dict': netD.state_dict(),
                'stateG_dict': netG.state_dict(),
                'stateF_dict': netF.state_dict(),
                'best_lossD': best_lossD,
                'best_lossG': best_lossG,
                'best_lossF': best_lossF,
                'total_time': accumulated_time,
                'best_loss_iter_F': best_loss_iter_F
            }
            torch.save(
                state,
                os.path.join('/datatmp/Experiments/rohitgan/_logs', exp_batch,
                             exp_alias, 'best_modelF' + '.pth'))

        iteration += 1
コード例 #5
0
def execute(gpu, exp_batch, exp_alias):

    manualSeed = 123
    torch.cuda.manual_seed(manualSeed)
    os.environ["CUDA_VISIBLE_DEVICES"] = gpu
    merge_with_yaml(os.path.join('configs', exp_batch, exp_alias + '.yaml'))
    set_type_of_process('train')

    coil_logger.add_message('Loading', {'GPU': gpu})
    if not os.path.exists('_output_logs'):
        os.mkdir('_output_logs')
    sys.stdout = open(os.path.join('_output_logs',
                      g_conf.PROCESS_NAME + '_' + str(os.getpid()) + ".out"), "a", buffering=1)
    if monitorer.get_status(exp_batch, exp_alias + '.yaml', g_conf.PROCESS_NAME)[0] == "Finished":
        return

    full_dataset = os.path.join(os.environ["COIL_DATASET_PATH"], g_conf.TRAIN_DATASET_NAME)
    dataset = CoILDataset(full_dataset, transform=transforms.Compose([transforms.ToTensor()]))

    sampler = BatchSequenceSampler(splitter.control_steer_split(dataset.measurements, dataset.meta_data),
                          g_conf.BATCH_SIZE, g_conf.NUMBER_IMAGES_SEQUENCE, g_conf.SEQUENCE_STRIDE)
    data_loader = torch.utils.data.DataLoader(dataset, batch_sampler=sampler,
                                              shuffle=False, num_workers=6, pin_memory=True)


    l1weight = g_conf.L1
    image_size = tuple([88, 200])
    testmode = 1

    if g_conf.GANMODEL_NAME == 'LSDcontrol':
        netD = ganmodels._netD().cuda()
        netG = ganmodels._netG(skip=g_conf.SKIP).cuda()
    if g_conf.GANMODEL_NAME == 'LSDcontrol_acgan_nopatch':
        netD = acganmodels_nopatch._netD().cuda()
        netG = acganmodels_nopatch._netG(skip=g_conf.SKIP).cuda()

    init_weights(netD)
    init_weights(netG)
    print(netD)
    print(netG)

    optimD = torch.optim.Adam(netD.parameters(), lr=0.0002, betas=(0.5, 0.999))
    optimG = torch.optim.Adam(netG.parameters(), lr=0.0002, betas=(0.5, 0.999))
    MSE_loss = torch.nn.MSELoss().cuda()
    L1_loss = torch.nn.L1Loss().cuda()

    iteration = 0
    best_loss_iter = 0
    best_lossD = 1000000.0
    best_lossG = 1000000.0
    accumulated_time = 0

    netG.train()
    netD.train()
    capture_time = time.time()
    if not os.path.exists('./imgs_' + exp_alias):
        os.mkdir('./imgs_' + exp_alias)

    for data in data_loader:

        input_data, float_data = data
        inputs = input_data['rgb'].cuda()
        inputs = inputs.squeeze(1)

        fake_inputs = netG(inputs)

        if iteration % 200 == 0:
            imgs_to_save = torch.cat((inputs[:2], fake_inputs[:2]), 0).cpu().data
            vutils.save_image(imgs_to_save, './imgs_' + exp_alias + '/' + str(iteration) + '_real_and_fake.png', normalize=True)
            coil_logger.add_image("Images", imgs_to_save, iteration)

        controls = float_data[:, dataset.controls_position(), :]
        steer = controls[:, 0].cuda()

        ##--------------------Discriminator part!!!!!!!!!!-----------------------
        ##fake
        set_requires_grad(netD, True)
        optimD.zero_grad()

        outputsD_fake_forD, fakeD_steer = netD(fake_inputs.detach())

        labsize = outputsD_fake_forD.size()
        labels_fake = torch.zeros(labsize) #Fake labels
        label_fake_noise = torch.rand(labels_fake.size()) * 0.1 #Label smoothing
        labels_fake = labels_fake + label_fake_noise
        labels_fake = Variable(labels_fake).cuda()

        lossD_fake_aux = MSE_loss(fakeD_steer, steer)

        lossD_fake_total = lossD_fake + lossD_fake_aux
        lossD_fake_total.backward()
        optimD.step()

        ##real
        set_requires_grad(netD, True)
        optimD.zero_grad()

        outputsD_real_forD, realD_steer = netD(inputs)

        labsize = outputsD_real_forD.size()
        labels_real = torch.ones(labsize) #Real labels
        label_real_noise = torch.rand(labels_real.size()) * 0.1 #Label smoothing
        labels_real = labels_real - label_real_noise
        labels_real = Variable(labels_real).cuda()

        lossD_real = torch.mean(outputsD_real_forD)
        lossD_real_aux = MSE_loss(realD_steer, steer)

        #Discriminator updates

        lossD_real_total = lossD_real + lossD_real_aux
        lossD_real_total.backward()
        optimD.step()

        lossD = lossD_real_total + lossD_fake_total

        coil_logger.add_scalar('Aux Real LossD', lossD_real_aux.data, iteration)
        coil_logger.add_scalar('Aux Fake LossD', lossD_fake_aux.data, iteration)
        coil_logger.add_scalar('Total Real LossD', lossD_real_total.data , iteration)
        coil_logger.add_scalar('Total Fake LossD', lossD_fake_total.data , iteration)
        coil_logger.add_scalar('Real LossD', lossD_real.data , iteration)
        coil_logger.add_scalar('Fake LossD', lossD_fake.data , iteration)

        ##--------------------Generator part!!!!!!!!!!-----------------------

        set_requires_grad(netD, False)
        optimG.zero_grad()
        outputsD_fake_forG, G_steer = netD(fake_inputs)
        #Generator updates

        lossG_smooth = L1_loss(fake_inputs, inputs)
        lossG_aux = MSE_loss(G_steer, steer)

        lossG = lossG_adv + lossG_aux + l1weight * lossG_smooth

        lossG.backward()
        optimG.step()

        coil_logger.add_scalar('Total LossG', lossG.data / len(inputs), iteration)
        coil_logger.add_scalar('Adv LossG', lossG_adv.data , iteration)
        coil_logger.add_scalar('Smooth LossG', lossG_smooth.data , iteration)
        coil_logger.add_scalar('Aux LossG', lossG_aux.data , iteration)

        #optimization for one iter done!
        position = random.randint(0, len(float_data)-1)

        if lossD.data < best_lossD:
            best_lossD = lossD.data.tolist()

        if lossG.data < best_lossG:
            best_lossG = lossG.data.tolist()
            best_loss_iter = iteration

        accumulated_time += time.time() - capture_time
        capture_time = time.time()
        print("LossD", lossD.data.tolist(), "LossG", lossG.data.tolist(), "BestLossD", best_lossD, "BestLossG", best_lossG, "Iteration", iteration, "Best Loss Iteration", best_loss_iter)

        coil_logger.add_message('Iterating',
                                {'Iteration': iteration,
                                    'LossD': lossD.data.tolist(),
                                    'LossG': lossG.data.tolist(),
                                    'Images/s': (iteration*g_conf.BATCH_SIZE)/accumulated_time,
                                    'BestLossD': best_lossD, 'BestLossIteration': best_loss_iter,
                                    'BestLossG': best_lossG, 'BestLossIteration': best_loss_iter,
                                    'GroundTruth': dataset.extract_targets(float_data)[position].data.tolist(),
                                    'Inputs': dataset.extract_inputs(float_data)[position].data.tolist()},
                                iteration)
        if is_ready_to_save(iteration):

            state = {
                'iteration': iteration,
                'stateD_dict': netD.state_dict(),
                'stateG_dict': netG.state_dict(),
                'best_lossD': best_lossD,
                'best_lossG': best_lossG,
                'total_time': accumulated_time,
                'best_loss_iter': best_loss_iter

            }
            torch.save(state, os.path.join('/datatmp/Experiments/rohitgan/_logs', exp_batch, exp_alias
                                           , 'checkpoints', str(iteration) + '.pth'))
        if iteration == best_loss_iter:

            state = {
                'iteration': iteration,
                'stateD_dict': netD.state_dict(),
                'stateG_dict': netG.state_dict(),
                'best_lossD': best_lossD,
                'best_lossG': best_lossG,
                'total_time': accumulated_time,
                'best_loss_iter': best_loss_iter

            }
            torch.save(state, os.path.join('/datatmp/Experiments/rohitgan/_logs', exp_batch, exp_alias
                                           , 'best_modelG' + '.pth'))

        iteration += 1
コード例 #6
0
def execute(gpu, exp_batch, exp_alias):

    os.environ["CUDA_VISIBLE_DEVICES"] = gpu
    merge_with_yaml(os.path.join('configs', exp_batch, exp_alias + '.yaml'))
    set_type_of_process('train')

    coil_logger.add_message('Loading', {'GPU': gpu})
    if not os.path.exists('_output_logs'):
        os.mkdir('_output_logs')
    sys.stdout = open(os.path.join(
        '_output_logs', g_conf.PROCESS_NAME + '_' + str(os.getpid()) + ".out"),
                      "a",
                      buffering=1)
    if monitorer.get_status(exp_batch, exp_alias + '.yaml',
                            g_conf.PROCESS_NAME)[0] == "Finished":
        return

    full_dataset = os.path.join(os.environ["COIL_DATASET_PATH"],
                                g_conf.TRAIN_DATASET_NAME)
    dataset = CoILDataset(full_dataset,
                          transform=transforms.Compose([transforms.ToTensor()
                                                        ]))

    sampler = BatchSequenceSampler(
        splitter.control_steer_split(dataset.measurements,
                                     dataset.meta_data), g_conf.BATCH_SIZE,
        g_conf.NUMBER_IMAGES_SEQUENCE, g_conf.SEQUENCE_STRIDE)
    data_loader = torch.utils.data.DataLoader(dataset,
                                              batch_sampler=sampler,
                                              shuffle=False,
                                              num_workers=6,
                                              pin_memory=True)

    l1weight = g_conf.L1_WEIGHT
    image_size = tuple([88, 200])

    print("Configurations of ", exp_alias)
    print("GANMODEL_NAME", g_conf.GANMODEL_NAME)
    print("LOSS_FUNCTION", g_conf.LOSS_FUNCTION)
    print("LR_G, LR_D, LR", g_conf.LR_G, g_conf.LR_D, g_conf.LEARNING_RATE)
    print("SKIP", g_conf.SKIP)
    print("TYPE", g_conf.TYPE)
    print("L1 WEIGHT", g_conf.L1_WEIGHT)
    print("LAB SMOOTH", g_conf.LABSMOOTH)

    if g_conf.GANMODEL_NAME == 'LSDcontrol':
        netD = ganmodels._netD(loss=g_conf.LOSS_FUNCTION).cuda()
        netG = ganmodels._netG(loss=g_conf.LOSS_FUNCTION,
                               skip=g_conf.SKIP).cuda()
    elif g_conf.GANMODEL_NAME == 'LSDcontrol_nopatch':
        netD = ganmodels_nopatch._netD(loss=g_conf.LOSS_FUNCTION).cuda()
        netG = ganmodels_nopatch._netG(loss=g_conf.LOSS_FUNCTION).cuda()
    elif g_conf.GANMODEL_NAME == 'LSDcontrol_nopatch_smaller':
        netD = ganmodels_nopatch_smaller._netD(
            loss=g_conf.LOSS_FUNCTION).cuda()
        netG = ganmodels_nopatch_smaller._netG(
            loss=g_conf.LOSS_FUNCTION).cuda()

    elif g_conf.GANMODEL_NAME == 'LSDcontrol_task':
        netD = ganmodels_task._netD(loss=g_conf.LOSS_FUNCTION).cuda()
        netG = ganmodels_task._netG(loss=g_conf.LOSS_FUNCTION).cuda()
        netF = ganmodels_task._netG(loss=g_conf.LOSS_FUNCTION).cuda()

    init_weights(netD)
    init_weights(netG)

    print(netD)
    print(netG)

    optimD = torch.optim.Adam(netD.parameters(),
                              lr=g_conf.LR_D,
                              betas=(0.7, 0.999))
    optimG = torch.optim.Adam(netG.parameters(),
                              lr=g_conf.LR_G,
                              betas=(0.7, 0.999))
    if g_conf.TYPE == 'task':
        optimF = torch.optim.Adam(netG.parameters(),
                                  lr=g_conf.LEARNING_RATE,
                                  betas=(0.7, 0.999))
        Task_Loss = TaskLoss()

    if g_conf.LOSS_FUNCTION == 'LSGAN':
        Loss = torch.nn.MSELoss().cuda()
    elif g_conf.LOSS_FUNCTION == 'NORMAL':
        Loss = torch.nn.BCELoss().cuda()

    L1_loss = torch.nn.L1Loss().cuda()

    iteration = 0
    best_loss_iter = 0
    best_lossD = 1000000.0
    best_lossG = 1000000.0
    accumulated_time = 0

    netG.train()
    netD.train()
    capture_time = time.time()

    if not os.path.exists('./imgs_' + exp_alias):
        os.mkdir('./imgs_' + exp_alias)

    #TODO add image queue
    #TODO add auxiliary regression loss for steering
    #TODO put family for losses

    fake_img_pool = ImagePool(50)

    for data in data_loader:

        val = 0.5
        input_data, float_data = data
        inputs = input_data['rgb'].cuda()
        inputs = inputs.squeeze(1)
        inputs_in = inputs - val

        fake_inputs = netG(inputs_in)  #subtracted by 0.5
        fake_inputs_in = fake_inputs

        if iteration % 200 == 0:
            imgs_to_save = torch.cat((inputs_in[:2] + val, fake_inputs_in[:2]),
                                     0).cpu().data
            vutils.save_image(imgs_to_save,
                              './imgs_' + exp_alias + '/' + str(iteration) +
                              '_real_and_fake.png',
                              normalize=True)
            coil_logger.add_image("Images", imgs_to_save, iteration)

        ##--------------------Discriminator part!!!!!!!!!!-------------------##
        set_requires_grad(netD, True)
        optimD.zero_grad()

        ##fake
        fake_inputs_forD = fake_img_pool.query(fake_inputs)
        outputsD_fake_forD = netD(fake_inputs_forD.detach())

        labsize = outputsD_fake_forD.size()
        labels_fake = torch.zeros(labsize)  #Fake labels
        label_fake_noise = torch.rand(
            labels_fake.size()) * 0.05 - 0.025  #Label smoothing

        if g_conf.LABSMOOTH == 1:
            labels_fake = labels_fake + labels_fake_noise

        labels_fake = Variable(labels_fake).cuda()
        lossD_fake = Loss(outputsD_fake_forD, labels_fake)

        ##real
        outputsD_real = netD(inputs)
        print("some d outputs", outputsD_real[0])

        labsize = outputsD_real.size()
        labels_real = torch.ones(labsize)  #Real labels
        label_real_noise = torch.rand(
            labels_real.size()) * 0.05 - 0.025  #Label smoothing

        if g_conf.LABSMOOTH == 1:
            labels_real = labels_real + labels_real_noise

        labels_real = Variable(labels_real).cuda()
        lossD_real = Loss(outputsD_real, labels_real)

        #Discriminator updates

        lossD = (lossD_real + lossD_fake) * 0.5
        # lossD /= len(inputs)
        lossD.backward()
        optimD.step()

        coil_logger.add_scalar('Total LossD', lossD.data, iteration)
        coil_logger.add_scalar('Real LossD', lossD_real.data, iteration)
        coil_logger.add_scalar('Fake LossD', lossD_fake.data, iteration)

        ##--------------------Generator part!!!!!!!!!!-----------------------

        set_requires_grad(netD, False)
        optimG.zero_grad()
        outputsD_fake_forG = netD(fake_inputs)
        #Generator updates

        lossG_adv = Loss(outputsD_fake_forG, labels_real)
        lossG_smooth = L1_loss(fake_inputs, inputs)
        lossG = (lossG_adv + l1weight * lossG_smooth) / (1.0 + l1weight)
        lossG

        lossG.backward()
        optimG.step()

        coil_logger.add_scalar('Total LossG', lossG.data, iteration)
        coil_logger.add_scalar('Adv LossG', lossG_adv.data, iteration)
        coil_logger.add_scalar('Smooth LossG', lossG_smooth.data, iteration)

        #optimization for one iter done!

        position = random.randint(0, len(float_data) - 1)
        if lossD.data < best_lossD:
            best_lossD = lossD.data.tolist()

        if lossG.data < best_lossG:
            best_lossG = lossG.data.tolist()
            best_loss_iter = iteration

        accumulated_time += time.time() - capture_time
        capture_time = time.time()
        print("LossD", lossD.data.tolist(), "LossG", lossG.data.tolist(),
              "BestLossD", best_lossD, "BestLossG", best_lossG, "Iteration",
              iteration, "Best Loss Iteration", best_loss_iter)

        coil_logger.add_message(
            'Iterating', {
                'Iteration':
                iteration,
                'LossD':
                lossD.data.tolist(),
                'LossG':
                lossG.data.tolist(),
                'Images/s': (iteration * g_conf.BATCH_SIZE) / accumulated_time,
                'BestLossD':
                best_lossD,
                'BestLossIteration':
                best_loss_iter,
                'BestLossG':
                best_lossG,
                'BestLossIteration':
                best_loss_iter,
                'GroundTruth':
                dataset.extract_targets(float_data)[position].data.tolist(),
                'Inputs':
                dataset.extract_inputs(float_data)[position].data.tolist()
            }, iteration)
        if is_ready_to_save(iteration):

            state = {
                'iteration': iteration,
                'stateD_dict': netD.state_dict(),
                'stateG_dict': netG.state_dict(),
                'best_lossD': best_lossD,
                'best_lossG': best_lossG,
                'total_time': accumulated_time,
                'best_loss_iter': best_loss_iter
            }
            torch.save(
                state,
                os.path.join('/datatmp/Experiments/rohitgan/_logs', exp_batch,
                             exp_alias, 'checkpoints',
                             str(iteration) + '.pth'))
        if iteration == best_loss_iter:

            state = {
                'iteration': iteration,
                'stateD_dict': netD.state_dict(),
                'stateG_dict': netG.state_dict(),
                'best_lossD': best_lossD,
                'best_lossG': best_lossG,
                'total_time': accumulated_time,
                'best_loss_iter': best_loss_iter
            }
            torch.save(
                state,
                os.path.join('/datatmp/Experiments/rohitgan/_logs', exp_batch,
                             exp_alias, 'best_modelG' + '.pth'))

        iteration += 1
コード例 #7
0
def execute(gpu, exp_batch, exp_alias):

    from time import gmtime, strftime

    manualSeed = g_conf.SEED
    torch.cuda.manual_seed(manualSeed)
    os.environ["CUDA_VISIBLE_DEVICES"] = gpu
    merge_with_yaml(os.path.join('configs', exp_batch, exp_alias + '.yaml'))
    set_type_of_process('train')

    coil_logger.add_message('Loading', {'GPU': gpu})
    if not os.path.exists('_output_logs'):
        os.mkdir('_output_logs')
    sys.stdout = open(os.path.join(
        '_output_logs', g_conf.PROCESS_NAME + '_' + str(os.getpid()) + ".out"),
                      "a",
                      buffering=1)
    if monitorer.get_status(exp_batch, exp_alias + '.yaml',
                            g_conf.PROCESS_NAME)[0] == "Finished":
        return

    full_dataset = os.path.join(os.environ["COIL_DATASET_PATH"],
                                g_conf.TRAIN_DATASET_NAME)
    real_dataset = g_conf.TARGET_DOMAIN_PATH
    # real_dataset = os.path.join(os.environ["COIL_DATASET_PATH"], "FinalRealWorldDataset")

    #main data loader
    dataset = CoILDataset(full_dataset,
                          transform=transforms.Compose([transforms.ToTensor()
                                                        ]))

    sampler = BatchSequenceSampler(
        splitter.control_steer_split(dataset.measurements,
                                     dataset.meta_data), g_conf.BATCH_SIZE,
        g_conf.NUMBER_IMAGES_SEQUENCE, g_conf.SEQUENCE_STRIDE)
    data_loader = torch.utils.data.DataLoader(dataset,
                                              batch_sampler=sampler,
                                              shuffle=False,
                                              num_workers=6,
                                              pin_memory=True)

    real_dl = real_dataloader.RealDataset(real_dataset, g_conf.BATCH_SIZE)

    st = lambda aug: iag.Sometimes(aug, 0.4)
    oc = lambda aug: iag.Sometimes(aug, 0.3)
    rl = lambda aug: iag.Sometimes(aug, 0.09)
    augmenter = iag.Augmenter([iag.ToGPU()] + [
        rl(iag.GaussianBlur(
            (0, 1.5))),  # blur images with a sigma between 0 and 1.5
        rl(iag.AdditiveGaussianNoise(loc=0, scale=(
            0.0, 0.05), per_channel=0.5)),  # add gaussian noise to images
        oc(iag.Dropout((0.0, 0.10), per_channel=0.5)
           ),  # randomly remove up to X% of the pixels
        oc(
            iag.CoarseDropout(
                (0.0, 0.10), size_percent=(0.08, 0.2),
                per_channel=0.5)),  # randomly remove up to X% of the pixels
        oc(iag.Add((-40, 40), per_channel=0.5)
           ),  # change brightness of images (by -X to Y of original value)
        st(iag.Multiply((0.10, 2), per_channel=0.2)
           ),  # change brightness of images (X-Y% of original value)
        rl(iag.ContrastNormalization(
            (0.5, 1.5), per_channel=0.5)),  # improve or worsen the contrast
        rl(iag.Grayscale((0.0, 1))),  # put grayscale
    ]  # do all of the above in random order
                              )

    l1weight = g_conf.L1_WEIGHT
    task_adv_weight = g_conf.TASK_ADV_WEIGHT
    image_size = tuple([88, 200])

    print(strftime("%Y-%m-%d %H:%M:%S", gmtime()))
    print("Configurations of ", exp_alias)
    print("GANMODEL_NAME", g_conf.GANMODEL_NAME)
    print("LOSS_FUNCTION", g_conf.LOSS_FUNCTION)
    print("LR_G, LR_D, LR", g_conf.LR_G, g_conf.LR_D, g_conf.LEARNING_RATE)
    print("SKIP", g_conf.SKIP)
    print("TYPE", g_conf.TYPE)
    print("L1 WEIGHT", g_conf.L1_WEIGHT)
    print("TASK ADV WEIGHT", g_conf.TASK_ADV_WEIGHT)
    print("LAB SMOOTH", g_conf.LABSMOOTH)

    if g_conf.GANMODEL_NAME == 'LSDcontrol':
        netD = ganmodels._netD(loss=g_conf.LOSS_FUNCTION).cuda()
        netG = ganmodels._netG(loss=g_conf.LOSS_FUNCTION,
                               skip=g_conf.SKIP).cuda()
    elif g_conf.GANMODEL_NAME == 'LSDcontrol_nopatch':
        netD = ganmodels_nopatch._netD(loss=g_conf.LOSS_FUNCTION).cuda()
        netG = ganmodels_nopatch._netG(loss=g_conf.LOSS_FUNCTION).cuda()
    elif g_conf.GANMODEL_NAME == 'LSDcontrol_nopatch_smaller':
        netD = ganmodels_nopatch_smaller._netD(
            loss=g_conf.LOSS_FUNCTION).cuda()
        netG = ganmodels_nopatch_smaller._netG(
            loss=g_conf.LOSS_FUNCTION).cuda()

    elif g_conf.GANMODEL_NAME == 'LSDcontrol_task':
        netD = ganmodels_task._netD(loss=g_conf.LOSS_FUNCTION).cuda()
        netG = ganmodels_task._netG(loss=g_conf.LOSS_FUNCTION).cuda()
        netF = ganmodels_task._netF(loss=g_conf.LOSS_FUNCTION).cuda()

        if g_conf.PRETRAINED == 'RECON':
            netF_statedict = torch.load('netF_GAN_Pretrained.wts')
            netF.load_state_dict(netF_statedict)

        elif g_conf.PRETRAINED == 'IL':
            print("Loading IL")
            model_IL = torch.load('best_loss_20-06_EpicClearWeather.pth')
            model_IL_state_dict = model_IL['state_dict']

            netF_state_dict = netF.state_dict()

            print(len(netF_state_dict.keys()), len(model_IL_state_dict.keys()))
            for i, keys in enumerate(
                    zip(netF_state_dict.keys(), model_IL_state_dict.keys())):
                newkey, oldkey = keys
                # if newkey.split('.')[0] == "branch" and oldkey.split('.')[0] == "branches":
                #     print("No Transfer of ",  newkey, " to ", oldkey)
                # else:
                print("Transferring ", newkey, " to ", oldkey)
                netF_state_dict[newkey] = model_IL_state_dict[oldkey]

            netF.load_state_dict(netF_state_dict)
            print("IL Model Loaded!")

    elif g_conf.GANMODEL_NAME == 'LSDcontrol_task_2d':
        netD = ganmodels_taskAC_shared._netD().cuda()
        netG = ganmodels_taskAC_shared._netG().cuda()
        netF = ganmodels_taskAC_shared._netF().cuda()

        if g_conf.PRETRAINED == 'IL':
            print("Loading IL")
            model_IL = torch.load(g_conf.IL_AGENT_PATH)
            model_IL_state_dict = model_IL['state_dict']

            netF_state_dict = netF.state_dict()

            print(len(netF_state_dict.keys()), len(model_IL_state_dict.keys()))
            for i, keys in enumerate(
                    zip(netF_state_dict.keys(), model_IL_state_dict.keys())):
                newkey, oldkey = keys
                print("Transferring ", newkey, " to ", oldkey)
                netF_state_dict[newkey] = model_IL_state_dict[oldkey]

            netF.load_state_dict(netF_state_dict)
            print("IL Model Loaded!")

            #####
            if g_conf.IF_AUG:
                print("Loading Aug Decoder")
                model_dec = torch.load(g_conf.DECODER_RECON_PATH)
            else:
                print("Loading Decoder")
                model_dec = torch.load(g_conf.DECODER_RECON_PATH)
            model_dec_state_dict = model_dec['stateG_dict']

            netG_state_dict = netG.state_dict()

            print(len(netG_state_dict.keys()),
                  len(model_dec_state_dict.keys()))
            for i, keys in enumerate(
                    zip(netG_state_dict.keys(), model_dec_state_dict.keys())):
                newkey, oldkey = keys
                print("Transferring ", newkey, " to ", oldkey)
                netG_state_dict[newkey] = model_dec_state_dict[oldkey]

            netG.load_state_dict(netG_state_dict)
            print("Decoder Model Loaded!")

    init_weights(netD)

    print(netD)
    print(netF)
    print(netG)

    optimD = torch.optim.Adam(netD.parameters(),
                              lr=g_conf.LR_D,
                              betas=(0.5, 0.999))
    optimG = torch.optim.Adam(netG.parameters(),
                              lr=g_conf.LR_G,
                              betas=(0.5, 0.999))
    if g_conf.TYPE == 'task':
        optimF = torch.optim.Adam(netF.parameters(), lr=g_conf.LEARNING_RATE)
        Task_Loss = TaskLoss()

    if g_conf.GANMODEL_NAME == 'LSDcontrol_task_2d':
        print("Using cross entropy!")
        Loss = torch.nn.CrossEntropyLoss().cuda()

    L1_loss = torch.nn.L1Loss().cuda()

    iteration = 0
    best_loss_iter_F = 0
    best_loss_iter_G = 0
    best_lossF = 1000000.0
    best_lossD = 1000000.0
    best_lossG = 1000000.0
    accumulated_time = 0
    n_critic = g_conf.N_CRITIC

    lossF = Variable(torch.Tensor([100.0]))
    lossG_adv = Variable(torch.Tensor([100.0]))
    lossG_smooth = Variable(torch.Tensor([100.0]))
    lossG = Variable(torch.Tensor([100.0]))

    netG.train()
    netD.train()
    netF.train()
    capture_time = time.time()

    if not os.path.exists('./imgs_' + exp_alias):
        os.mkdir('./imgs_' + exp_alias)

    fake_img_pool_src = ImagePool(50)
    fake_img_pool_tgt = ImagePool(50)

    for data in data_loader:

        set_requires_grad(netD, True)
        set_requires_grad(netF, True)
        set_requires_grad(netG, True)

        input_data, float_data = data
        tgt_imgs = real_dl.get_imgs()

        if g_conf.IF_AUG:
            inputs = augmenter(0, input_data['rgb'])
        else:
            inputs = input_data['rgb'].cuda()

        tgt_imgs = tgt_imgs.cuda()

        inputs = inputs.squeeze(1)
        inputs = inputs
        tgt_imgs = tgt_imgs

        controls = float_data[:, dataset.controls_position(), :]

        camera_angle = float_data[:, 26, :]
        camera_angle = camera_angle.cuda()
        steer = float_data[:, 0, :]
        steer = steer.cuda()
        speed = float_data[:, 10, :]
        speed = speed.cuda()

        time_use = 1.0
        car_length = 3.0
        extra_factor = 2.5
        threshold = 1.0

        pos = camera_angle > 0.0
        pos = pos.type(torch.FloatTensor)
        neg = camera_angle <= 0.0
        neg = neg.type(torch.FloatTensor)
        pos = pos.cuda()
        neg = neg.cuda()

        rad_camera_angle = math.pi * (torch.abs(camera_angle)) / 180.0
        val = extra_factor * (torch.atan((rad_camera_angle * car_length) /
                                         (time_use * speed + 0.05))) / 3.1415
        steer -= pos * torch.min(val, torch.Tensor([0.6]).cuda())
        steer += neg * torch.min(val, torch.Tensor([0.6]).cuda())

        steer = steer.cpu()
        float_data[:, 0, :] = steer
        float_data[:, 0, :][float_data[:, 0, :] > 1.0] = 1.0
        float_data[:, 0, :][float_data[:, 0, :] < -1.0] = -1.0

        src_embed_inputs, src_branches = netF(
            inputs,
            dataset.extract_inputs(float_data).cuda())
        tgt_embed_inputs = netF(tgt_imgs, None)

        src_fake_inputs = netG(src_embed_inputs.detach())
        tgt_fake_inputs = netG(tgt_embed_inputs.detach())

        if iteration % 100 == 0:
            imgs_to_save = torch.cat((inputs[:1], src_fake_inputs[:1],
                                      tgt_imgs[:1], tgt_fake_inputs[:1]),
                                     0).cpu().data
            coil_logger.add_image("Images", imgs_to_save, iteration)
            imgs_to_save = imgs_to_save.clamp(0.0, 1.0)
            vutils.save_image(imgs_to_save,
                              './imgs_' + exp_alias + '/' + str(iteration) +
                              '_real_and_fake.png',
                              normalize=False)

        ##--------------------Discriminator part!!!!!!!!!!-------------------##

        ##source fake
        if g_conf.IF_POOL:
            src_fake_inputs_forD = fake_img_pool_src.query(src_fake_inputs)
            tgt_fake_inputs_forD = fake_img_pool_tgt.query(tgt_fake_inputs)
        else:
            src_fake_inputs_forD = src_fake_inputs
            tgt_fake_inputs_forD = tgt_fake_inputs

        set_requires_grad(netD, True)
        set_requires_grad(netF, False)
        set_requires_grad(netG, False)
        optimD.zero_grad()

        outputsD_fake_src_bin, __ = netD(src_fake_inputs_forD.detach())
        outputsD_fake_tgt_bin, __ = netD(tgt_fake_inputs_forD.detach())

        outputsD_real_src_bin, __ = netD(inputs)
        outputsD_real_tgt_bin, __ = netD(tgt_imgs)

        gradient_penalty_src = calc_gradient_penalty(netD, inputs,
                                                     src_fake_inputs_forD,
                                                     "recon")
        lossD_bin_src = torch.mean(
            outputsD_fake_src_bin -
            outputsD_real_src_bin) + gradient_penalty_src

        gradient_penalty_tgt = calc_gradient_penalty(netD, tgt_imgs,
                                                     tgt_fake_inputs_forD,
                                                     "recon")
        lossD_bin_tgt = torch.mean(
            outputsD_fake_tgt_bin -
            outputsD_real_tgt_bin) + gradient_penalty_tgt

        lossD = (lossD_bin_src + lossD_bin_tgt) * 0.5
        lossD.backward(retain_graph=True)
        optimD.step()

        coil_logger.add_scalar('Total LossD Bin', lossD.data, iteration)
        coil_logger.add_scalar('Src LossD Bin', lossD_bin_src.data, iteration)
        coil_logger.add_scalar('Tgt LossD Bin', lossD_bin_tgt.data, iteration)

        ##--------------------Generator part!!!!!!!!!!-----------------------##
        set_requires_grad(netD, False)
        set_requires_grad(netF, False)
        set_requires_grad(netG, True)
        optimG.zero_grad()

        #fake outputs for bin
        outputsD_bin_src_fake_forG, __ = netD(src_fake_inputs)
        outputsD_bin_tgt_fake_forG, __ = netD(tgt_fake_inputs)

        #Generator updates

        if ((iteration + 1) % n_critic) == 0:
            #for netD_bin

            optimG.zero_grad()
            outputsD_bin_fake_forG = netD(tgt_imgs)

            #Generator updates
            lossG_src_smooth = L1_loss(
                src_fake_inputs, inputs)  # L1 loss with real domain image
            lossG_tgt_smooth = L1_loss(
                tgt_fake_inputs, tgt_imgs)  # L1 loss with real domain image

            lossG_src_adv_bin = -1.0 * torch.mean(outputsD_bin_src_fake_forG)
            lossG_tgt_adv_bin = -1.0 * torch.mean(outputsD_bin_tgt_fake_forG)

            lossG_adv_bin = 0.5 * (lossG_src_adv_bin + lossG_tgt_adv_bin)

            lossG_Adv = lossG_adv_bin
            lossG_L1 = 0.5 * (lossG_src_smooth + lossG_tgt_smooth)

            lossG = (lossG_Adv + l1weight * lossG_L1) / (1.0 + l1weight)

            lossG.backward(retain_graph=True)
            optimG.step()

            coil_logger.add_scalar('Total LossG', lossG.data, iteration)
            coil_logger.add_scalar('LossG Adv', lossG_Adv.data, iteration)
            coil_logger.add_scalar('Adv Bin LossG', lossG_adv_bin.data,
                                   iteration)
            coil_logger.add_scalar('Smooth LossG', lossG_L1.data, iteration)

            #####Task network updates##########################
            set_requires_grad(netD, False)
            set_requires_grad(netF, True)
            set_requires_grad(netG, False)

            optimF.zero_grad()
            lossF_task = Task_Loss.MSELoss(
                src_branches,
                dataset.extract_targets(float_data).cuda(), controls.cuda(),
                dataset.extract_inputs(float_data).cuda())

            __, outputsD_fake_src_da = netD(src_fake_inputs_forD.detach())
            __, outputsD_real_tgt_da = netD(tgt_imgs)

            __, outputsD_fake_tgt_da = netD(tgt_fake_inputs_forD.detach())
            __, outputsD_real_src_da = netD(inputs)

            gradient_penalty_da_1 = calc_gradient_penalty(
                netD, tgt_imgs, src_fake_inputs_forD, "da")
            lossF_da_1 = torch.mean(outputsD_fake_src_da - outputsD_real_tgt_da
                                    ) + gradient_penalty_da_1

            gradient_penalty_da_2 = calc_gradient_penalty(
                netD, inputs, tgt_fake_inputs_forD, "da")
            lossF_da_2 = torch.mean(outputsD_fake_tgt_da - outputsD_real_src_da
                                    ) + gradient_penalty_da_2

            lossF_da = 0.5 * (lossF_da_1 + lossF_da_2)
            lossF = (lossF_task +
                     task_adv_weight * lossF_da) / (1.0 + task_adv_weight)

            coil_logger.add_scalar('Total Task Loss', lossF.data, iteration)
            coil_logger.add_scalar('Adv Task Loss', lossF_da.data, iteration)
            coil_logger.add_scalar('Only Task Loss', lossF_task.data,
                                   iteration)
            lossF.backward(retain_graph=True)
            optimF.step()

            if lossG.data < best_lossG:
                best_lossG = lossG.data.tolist()
                best_loss_iter_G = iteration

            if lossF.data < best_lossF:
                best_lossF = lossF.data.tolist()
                best_loss_iter_F = iteration

        #optimization for one iter done!

        position = random.randint(0, len(float_data) - 1)

        if lossD.data < best_lossD:
            best_lossD = lossD.data.tolist()

        accumulated_time += time.time() - capture_time
        capture_time = time.time()

        if is_ready_to_save(iteration):

            state = {
                'iteration': iteration,
                'stateD_dict': netD.state_dict(),
                'stateG_dict': netG.state_dict(),
                'stateF_dict': netF.state_dict(),
                'best_lossD': best_lossD,
                'best_lossG': best_lossG,
                'total_time': accumulated_time,
                'best_loss_iter_G': best_loss_iter_G,
                'best_loss_iter_F': best_loss_iter_F
            }
            torch.save(
                state,
                os.path.join('/datatmp/Datasets/rohitgan/_logs', exp_batch,
                             exp_alias, 'checkpoints',
                             str(iteration) + '.pth'))

        if iteration == best_loss_iter_F and iteration > 10000:

            state = {
                'iteration': iteration,
                'stateD_dict': netD.state_dict(),
                'stateG_dict': netG.state_dict(),
                'stateF_dict': netF.state_dict(),
                'best_lossD': best_lossD,
                'best_lossG': best_lossG,
                'best_lossF': best_lossF,
                'total_time': accumulated_time,
                'best_loss_iter_F': best_loss_iter_F
            }
            torch.save(
                state,
                os.path.join('/datatmp/Datasets/rohitgan/_logs', exp_batch,
                             exp_alias, 'best_modelF' + '.pth'))

        iteration += 1
コード例 #8
0
ファイル: train.py プロジェクト: rohitgajawada/chauffeur_GAN
def execute(gpu, exp_batch, exp_alias):
    # We set the visible cuda devices

    try:
        os.environ["CUDA_VISIBLE_DEVICES"] = gpu

        # At this point the log file with the correct naming is created.
        merge_with_yaml(os.path.join('configs', exp_batch,
                                     exp_alias + '.yaml'))
        set_type_of_process('train')

        coil_logger.add_message('Loading', {'GPU': gpu})

        if not os.path.exists('_output_logs'):
            os.mkdir('_output_logs')

        sys.stdout = open(os.path.join(
            '_output_logs',
            g_conf.PROCESS_NAME + '_' + str(os.getpid()) + ".out"),
                          "a",
                          buffering=1)

        if monitorer.get_status(exp_batch, exp_alias + '.yaml',
                                g_conf.PROCESS_NAME)[0] == "Finished":
            # TODO: print some cool summary or not ?
            return

        #Define the dataset. This structure is has the __get_item__ redefined in a way
        #that you can access the HDFILES positions from the root directory as a in a vector.
        full_dataset = os.path.join(os.environ["COIL_DATASET_PATH"],
                                    g_conf.TRAIN_DATASET_NAME)

        #augmenter_cpu = iag.AugmenterCPU(g_conf.AUGMENTATION_SUITE_CPU)

        dataset = CoILDataset(full_dataset,
                              transform=transforms.Compose(
                                  [transforms.ToTensor()]))

        # Creates the sampler, this part is responsible for managing the keys. It divides
        # all keys depending on the measurements and produces a set of keys for each bach.
        sampler = BatchSequenceSampler(
            splitter.control_steer_split(dataset.measurements,
                                         dataset.meta_data), g_conf.BATCH_SIZE,
            g_conf.NUMBER_IMAGES_SEQUENCE, g_conf.SEQUENCE_STRIDE)

        # The data loader is the multi threaded module from pytorch that release a number of
        # workers to get all the data.
        # TODO: batch size an number of workers go to some configuration file
        data_loader = torch.utils.data.DataLoader(dataset,
                                                  batch_sampler=sampler,
                                                  shuffle=False,
                                                  num_workers=12,
                                                  pin_memory=False)
        # By instanciating the augmenter we get a callable that augment images and transform them
        # into tensors.
        st = lambda aug: iag.Sometimes(aug, 0.4)
        oc = lambda aug: iag.Sometimes(aug, 0.3)
        rl = lambda aug: iag.Sometimes(aug, 0.09)
        augmenter = iag.Augmenter([iag.ToGPU()] + [
            rl(iag.GaussianBlur(
                (0, 1.5))),  # blur images with a sigma between 0 and 1.5
            rl(
                iag.AdditiveGaussianNoise(
                    loc=0, scale=(0.0, 0.05),
                    per_channel=0.5)),  # add gaussian noise to images
            oc(iag.Dropout((0.0, 0.10), per_channel=0.5)
               ),  # randomly remove up to X% of the pixels
            oc(
                iag.CoarseDropout(
                    (0.0, 0.10), size_percent=(0.08, 0.2), per_channel=0.5)
            ),  # randomly remove up to X% of the pixels
            oc(iag.Add((-40, 40), per_channel=0.5)
               ),  # change brightness of images (by -X to Y of original value)
            st(iag.Multiply((0.10, 2), per_channel=0.2)
               ),  # change brightness of images (X-Y% of original value)
            rl(iag.ContrastNormalization((
                0.5, 1.5), per_channel=0.5)),  # improve or worsen the contrast
            rl(iag.Grayscale((0.0, 1))),  # put grayscale
        ]  # do all of the above in random order
                                  )
        # augmenter = iag.Augmenter(g_conf.AUGMENTATION_SUITE)
        # TODO: here there is clearly a posibility to make a cool "conditioning" system.

        model = CoILModel(g_conf.MODEL_NAME)
        model.cuda()
        print(model)

        criterion = Loss()

        # TODO: DATASET SIZE SEEMS WEIRD
        optimizer = optim.Adam(model.parameters(), lr=0.0002)

        checkpoint_file = get_latest_saved_checkpoint()
        if checkpoint_file != None:
            checkpoint = torch.load(
                os.path.join('_logs', exp_batch, exp_alias, 'checkpoints',
                             str(get_latest_saved_checkpoint())))
            iteration = checkpoint['iteration']
            accumulated_time = checkpoint['total_time']
            best_loss = checkpoint['best_loss']
            best_loss_iter = checkpoint['best_loss_iter']
        else:
            iteration = 0
            best_loss = 10000.0
            accumulated_time = 0  # We accumulate iteration time and keep the average speed
            best_loss_iter = 0

        # TODO: The checkpoint will continue, so it should erase everything up to the iteration

        best_loss_save = 10000.0
        best_loss_save_iter = 0
        curr_loss_save = 0.0

        print(dataset.meta_data)

        print(model)
        capture_time = time.time()
        model.train()
        for data in data_loader:

            input_data, float_data = data

            #TODO, ADD ITERATION SCHEDULE
            input_rgb_data = augmenter(0, input_data['rgb'])
            augment_for_controls = 1
            adjustlr = 1

            if augment_for_controls:  #and self._config.targets_names[j] == "Steer":
                camera_angle = float_data[:, 26, :]
                camera_angle = camera_angle.cuda(
                )  #self._config.variable_names.index('Angle'),i]
                print("Camera angle", camera_angle[0])
                steer = float_data[:, 0, :]
                # print("Original", steer[0])
                steer = steer.cuda()
                speed = float_data[:, 10, :]
                speed = speed.cuda()
                # print (steer)

                time_use = 1.0
                car_length = 3.0
                extra_factor = 2.5
                threshold = 1.0

                pos = camera_angle > 0.0
                pos = pos.type(torch.FloatTensor)
                neg = camera_angle <= 0.0
                neg = neg.type(torch.FloatTensor)
                pos = pos.cuda()
                neg = neg.cuda()

                rad_camera_angle = math.pi * (torch.abs(camera_angle)) / 180.0
                val = extra_factor * (torch.atan(
                    (rad_camera_angle * car_length) /
                    (time_use * speed + 0.05))) / 3.1415
                # print(val)
                steer -= pos * torch.min(val, torch.tensor([0.6]).cuda())

                steer += neg * torch.min(val, torch.tensor([0.6]).cuda())

                print("val", val[0])
                print("speed", speed[0])

                steer = steer.cpu()
                float_data[:, 0, :] = steer

                float_data[:, 0, :][float_data[:, 0, :] > 1.0] = 1.0
                float_data[:, 0, :][float_data[:, 0, :] < -1.0] = -1.0
            #coil_logger.add_images(input_rgb_data)

            # get the control commands from float_data, size = [120,1]

            controls = float_data[:, dataset.controls_position(), :]
            # print(" CONTROLS  ", controls.shape)
            # The output(branches) is a list of 5 branches results, each branch is with size [120,3]

            model.zero_grad()
            # print ( 'INPUTS', dataset.extract_inputs(float_data).shape )
            branches = model(input_rgb_data,
                             dataset.extract_inputs(float_data).cuda())

            #print ("len ",len(branches))

            #targets = torch.cat([steer_gt, gas_gt, brake_gt], 1)
            # print ("Extracted targets ", dataset.extract_targets(float_data).shape[0])
            loss = criterion.MSELoss(
                branches,
                dataset.extract_targets(float_data).cuda(), controls.cuda(),
                dataset.extract_inputs(float_data).cuda())

            # TODO: All these logging things could go out to clean up the main
            if loss.data < best_loss:
                best_loss = loss.data.tolist()
                best_loss_iter = iteration

            curr_loss_save += loss.data

            # Log a random position
            position = random.randint(0, len(float_data) - 1)

            output = model.extract_branch(torch.stack(branches[0:4]), controls)
            error = torch.abs(output -
                              dataset.extract_targets(float_data).cuda())

            # TODO: For now we are computing the error for just the correct branch, it could be multi- branch,

            coil_logger.add_scalar('Loss', loss.data, iteration)

            loss.backward()
            optimizer.step()

            accumulated_time += time.time() - capture_time
            capture_time = time.time()

            # TODO: Get only the  float_data that are actually generating output
            # TODO: itearation is repeating , and that is dumb
            coil_logger.add_message(
                'Iterating', {
                    'Iteration':
                    iteration,
                    'Loss':
                    loss.data.tolist(),
                    'Images/s':
                    (iteration * g_conf.BATCH_SIZE) / accumulated_time,
                    'BestLoss':
                    best_loss,
                    'BestLossIteration':
                    best_loss_iter,
                    'BestLossSave':
                    best_loss_save,
                    'Output':
                    output[position].data.tolist(),
                    'GroundTruth':
                    dataset.extract_targets(
                        float_data)[position].data.tolist(),
                    'Error':
                    error[position].data.tolist(),
                    'Inputs':
                    dataset.extract_inputs(float_data)[position].data.tolist()
                }, iteration)

            # TODO: For now we are computing the error for just the correct branch, it could be multi-branch,

            # TODO: save also the optimizer state dictionary
            if is_ready_to_save(iteration):

                state = {
                    'iteration': iteration,
                    'state_dict': model.state_dict(),
                    'best_loss': best_loss,
                    'total_time': accumulated_time,
                    'best_loss_iter': best_loss_iter
                }
                # TODO : maybe already summarize the best model ???
                torch.save(
                    state,
                    os.path.join('_logs', exp_batch, exp_alias, 'checkpoints',
                                 str(iteration) + '.pth'))
            print("before best save")
            if iteration % 5 == 0 and iteration > 4:
                curr_loss_save /= 5000.0
                if curr_loss_save < best_loss_save:

                    best_loss_save = curr_loss_save
                    curr_loss_save = 0
                    state = {
                        'iteration': iteration,
                        'state_dict': model.state_dict(),
                        'best_loss': best_loss_save,
                        'total_time': accumulated_time,
                        'best_loss_iter': best_loss_save_iter
                    }
                    # TODO : maybe already summarize the best model ???
                    torch.save(
                        state,
                        os.path.join('_logs', exp_batch, exp_alias,
                                     'best_loss_save' + '.pth'))
            print("after best save")
            if iteration == best_loss_iter:

                state = {
                    'iteration': iteration,
                    'state_dict': model.state_dict(),
                    'best_loss': best_loss,
                    'total_time': accumulated_time,
                    'best_loss_iter': best_loss_iter
                }
                # TODO : maybe already summarize the best model ???
                torch.save(
                    state,
                    os.path.join('_logs', exp_batch, exp_alias,
                                 'best_loss' + '.pth'))

            iteration += 1

            if adjustlr and iteration % 1000:
                adjust_learning_rate(optimizer, iteration)

    except KeyboardInterrupt:
        coil_logger.add_message('Error', {'Message': 'Killed By User'})

    except:
        traceback.print_exc()

        coil_logger.add_message('Error', {'Message': 'Something Happened'})
コード例 #9
0
def execute(gpu, exp_batch, exp_alias):
    # We set the visible cuda devices

    try:
        os.environ["CUDA_VISIBLE_DEVICES"] = gpu

        # At this point the log file with the correct naming is created.
        merge_with_yaml(os.path.join('configs', exp_batch,
                                     exp_alias + '.yaml'))
        set_type_of_process('train')

        coil_logger.add_message('Loading', {'GPU': gpu})

        if not os.path.exists('_output_logs'):
            os.mkdir('_output_logs')

        sys.stdout = open(os.path.join(
            '_output_logs',
            g_conf.PROCESS_NAME + '_' + str(os.getpid()) + ".out"),
                          "a",
                          buffering=1)

        if monitorer.get_status(exp_batch, exp_alias + '.yaml',
                                g_conf.PROCESS_NAME)[0] == "Finished":
            # TODO: print some cool summary or not ?
            return

        #Define the dataset. This structure is has the __get_item__ redefined in a way
        #that you can access the HDFILES positions from the root directory as a in a vector.
        full_dataset = os.path.join(os.environ["COIL_DATASET_PATH"],
                                    g_conf.TRAIN_DATASET_NAME)

        #augmenter_cpu = iag.AugmenterCPU(g_conf.AUGMENTATION_SUITE_CPU)

        dataset = CoILDataset(full_dataset,
                              transform=transforms.Compose(
                                  [transforms.ToTensor()]))

        # Creates the sampler, this part is responsible for managing the keys. It divides
        # all keys depending on the measurements and produces a set of keys for each bach.
        sampler = BatchSequenceSampler(
            splitter.control_steer_split(dataset.measurements,
                                         dataset.meta_data), g_conf.BATCH_SIZE,
            g_conf.NUMBER_IMAGES_SEQUENCE, g_conf.SEQUENCE_STRIDE)

        # The data loader is the multi threaded module from pytorch that release a number of
        # workers to get all the data.
        # TODO: batch size an number of workers go to some configuration file
        data_loader = torch.utils.data.DataLoader(dataset,
                                                  batch_sampler=sampler,
                                                  shuffle=False,
                                                  num_workers=12,
                                                  pin_memory=True)
        # By instanciating the augmenter we get a callable that augment images and transform them
        # into tensors.
        augmenter = iag.Augmenter(g_conf.AUGMENTATION_SUITE)

        # TODO: here there is clearly a posibility to make a cool "conditioning" system.

        model = CoILModel(g_conf.MODEL_NAME)
        model.cuda()
        exit()
        print(model)

        criterion = Loss()

        # TODO: DATASET SIZE SEEMS WEIRD
        optimizer = optim.SGD(model.parameters(), lr=0.0001, momentum=0.9)

        checkpoint_file = get_latest_saved_checkpoint()
        if checkpoint_file != None:
            checkpoint = torch.load(
                os.path.join('_logs', exp_batch, exp_alias, 'checkpoints',
                             str(get_latest_saved_checkpoint())))
            iteration = checkpoint['iteration']
            accumulated_time = checkpoint['total_time']
            best_loss = checkpoint['best_loss']
            best_loss_iter = checkpoint['best_loss_iter']
        else:
            iteration = 0
            best_loss = 10000.0
            accumulated_time = 0  # We accumulate iteration time and keep the average speed
            best_loss_iter = 0

        # TODO: The checkpoint will continue, so it should erase everything up to the iteration

        print(dataset.meta_data)

        print(model)
        capture_time = time.time()
        for data in data_loader:

            input_data, float_data = data

            #TODO, ADD ITERATION SCHEDULE
            input_rgb_data = augmenter(0, input_data['rgb'])
            #coil_logger.add_images(input_rgb_data)

            # get the control commands from float_data, size = [120,1]

            controls = float_data[:, dataset.controls_position(), :]
            print(" CONTROLS  ", controls.shape)
            # The output(branches) is a list of 5 branches results, each branch is with size [120,3]

            model.zero_grad()
            print('INPUTS', dataset.extract_inputs(float_data).shape)
            branches = model(input_rgb_data,
                             dataset.extract_inputs(float_data).cuda())

            #print ("len ",len(branches))

            #targets = torch.cat([steer_gt, gas_gt, brake_gt], 1)
            print("Extracted targets ",
                  dataset.extract_targets(float_data).shape[0])
            loss = criterion.MSELoss(
                branches,
                dataset.extract_targets(float_data).cuda(), controls.cuda(),
                dataset.extract_inputs(float_data).cuda())

            # TODO: All these logging things could go out to clean up the main
            if loss.data < best_loss:
                best_loss = loss.data.tolist()
                best_loss_iter = iteration

            # Log a random position
            position = random.randint(0, len(float_data) - 1)

            output = model.extract_branch(torch.stack(branches[0:4]), controls)
            error = torch.abs(output -
                              dataset.extract_targets(float_data).cuda())

            # TODO: For now we are computing the error for just the correct branch, it could be multi- branch,

            coil_logger.add_scalar('Loss', loss.data, iteration)

            loss.backward()
            optimizer.step()

            accumulated_time += time.time() - capture_time
            capture_time = time.time()

            # TODO: Get only the  float_data that are actually generating output
            # TODO: itearation is repeating , and that is dumb
            coil_logger.add_message(
                'Iterating', {
                    'Iteration':
                    iteration,
                    'Loss':
                    loss.data.tolist(),
                    'Images/s':
                    (iteration * g_conf.BATCH_SIZE) / accumulated_time,
                    'BestLoss':
                    best_loss,
                    'BestLossIteration':
                    best_loss_iter,
                    'Output':
                    output[position].data.tolist(),
                    'GroundTruth':
                    dataset.extract_targets(
                        float_data)[position].data.tolist(),
                    'Error':
                    error[position].data.tolist(),
                    'Inputs':
                    dataset.extract_inputs(float_data)[position].data.tolist()
                }, iteration)

            # TODO: For now we are computing the error for just the correct branch, it could be multi-branch,

            # TODO: save also the optimizer state dictionary
            if is_ready_to_save(iteration):

                state = {
                    'iteration': iteration,
                    'state_dict': model.state_dict(),
                    'best_loss': best_loss,
                    'total_time': accumulated_time,
                    'best_loss_iter': best_loss_iter
                }
                # TODO : maybe already summarize the best model ???
                torch.save(
                    state,
                    os.path.join('_logs', exp_batch, exp_alias, 'checkpoints',
                                 str(iteration) + '.pth'))

            iteration += 1

    except KeyboardInterrupt:
        coil_logger.add_message('Error', {'Message': 'Killed By User'})

    except:
        traceback.print_exc()

        coil_logger.add_message('Error', {'Message': 'Something Happened'})
コード例 #10
0
ファイル: train.py プロジェクト: heshameraqi/coiltraine
def execute(gpu, exp_batch, exp_alias, suppress_output=True, number_of_workers=12):
    """
        The main training function. This functions loads the latest checkpoint
        for a given, exp_batch (folder) and exp_alias (experiment configuration).
        With this checkpoint it starts from the beginning or continue some training.
    Args:
        gpu: The GPU number
        exp_batch: the folder with the experiments
        exp_alias: the alias, experiment name
        suppress_output: if the output are going to be saved on a file
        number_of_workers: the number of threads used for data loading

    Returns:
        None

    """
    try:
        # We set the visible cuda devices to select the GPU
        os.environ["CUDA_VISIBLE_DEVICES"] = gpu
        g_conf.VARIABLE_WEIGHT = {}
        # At this point the log file with the correct naming is created.
        # You merge the yaml file with the global configuration structure.
        merge_with_yaml(os.path.join('configs', exp_batch, exp_alias + '.yaml'))
        set_type_of_process('train')
        # Set the process into loading status.
        coil_logger.add_message('Loading', {'GPU': gpu})

        # Put the output to a separate file if it is the case

        if suppress_output:
            if not os.path.exists('_output_logs'):
                os.mkdir('_output_logs')
            sys.stdout = open(os.path.join('_output_logs', exp_alias + '_' +
                              g_conf.PROCESS_NAME + '_' + str(os.getpid()) + ".out"), "a",
                              buffering=1)
            sys.stderr = open(os.path.join('_output_logs',
                              exp_alias + '_err_'+g_conf.PROCESS_NAME + '_'
                                           + str(os.getpid()) + ".out"),
                              "a", buffering=1)
        

        # Preload option
        if g_conf.PRELOAD_MODEL_ALIAS is not None:
            checkpoint = torch.load(os.path.join('_logs', g_conf.PRELOAD_MODEL_BATCH,
                                                  g_conf.PRELOAD_MODEL_ALIAS,
                                                 'checkpoints',
                                                 str(g_conf.PRELOAD_MODEL_CHECKPOINT)+'.pth'))


        # Get the latest checkpoint to be loaded
        # returns none if there are no checkpoints saved for this model
        checkpoint_file = get_latest_saved_checkpoint()
        if checkpoint_file is not None:
            checkpoint = torch.load(os.path.join('_logs', exp_batch, exp_alias,
                                    'checkpoints', str(get_latest_saved_checkpoint())))
            iteration = checkpoint['iteration']
            best_loss = checkpoint['best_loss']
            best_loss_iter = checkpoint['best_loss_iter']
        else:
            iteration = 0
            best_loss = 10000.0
            best_loss_iter = 0


        # Define the dataset. This structure is has the __get_item__ redefined in a way
        # that you can access the positions from the root directory as a in a vector.
        full_dataset = os.path.join(os.environ["COIL_DATASET_PATH"], g_conf.TRAIN_DATASET_NAME)

        # By instantiating the augmenter we get a callable that augment images and transform them
        # into tensors.
        augmenter = Augmenter(g_conf.AUGMENTATION)

        # Instantiate the class used to read a dataset. The coil dataset generator
        # can be found
        dataset = CoILDataset(full_dataset, transform=augmenter,
                              preload_name=str(g_conf.NUMBER_OF_HOURS)
                                               + 'hours_' + g_conf.TRAIN_DATASET_NAME)
        print ("Loaded dataset")

        data_loader = select_balancing_strategy(dataset, iteration, number_of_workers)
        model = CoILModel(g_conf.MODEL_TYPE, g_conf.MODEL_CONFIGURATION)
        model.cuda()
        optimizer = optim.Adam(model.parameters(), lr=g_conf.LEARNING_RATE)

        if checkpoint_file is not None or g_conf.PRELOAD_MODEL_ALIAS is not None:
            model.load_state_dict(checkpoint['state_dict'])
            optimizer.load_state_dict(checkpoint['optimizer'])
            accumulated_time = checkpoint['total_time']
            loss_window = coil_logger.recover_loss_window('train', iteration)
        else:  # We accumulate iteration time and keep the average speed
            accumulated_time = 0
            loss_window = []

        print ("Before the loss")

        criterion = Loss(g_conf.LOSS_FUNCTION)

        # Loss time series window
        for data in data_loader:

            # Basically in this mode of execution, we validate every X Steps, if it goes up 3 times,
            # add a stop on the _logs folder that is going to be read by this process
            if g_conf.FINISH_ON_VALIDATION_STALE is not None and \
                    check_loss_validation_stopped(iteration, g_conf.FINISH_ON_VALIDATION_STALE):
                break
            """
                ####################################
                    Main optimization loop
                ####################################
            """

            iteration += 1
            if iteration % 1000 == 0:
                adjust_learning_rate_auto(optimizer, loss_window)

            # get the control commands from float_data, size = [120,1]

            capture_time = time.time()
            controls = data['directions']
            # The output(branches) is a list of 5 branches results, each branch is with size [120,3]
            model.zero_grad()
            branches = model(torch.squeeze(data['rgb'].cuda()),
                             dataset.extract_inputs(data).cuda())
            loss_function_params = {
                'branches': branches,
                'targets': dataset.extract_targets(data).cuda(),
                'controls': controls.cuda(),
                'inputs': dataset.extract_inputs(data).cuda(),
                'branch_weights': g_conf.BRANCH_LOSS_WEIGHT,
                'variable_weights': g_conf.VARIABLE_WEIGHT
            }
            loss, _ = criterion(loss_function_params)
            loss.backward()
            optimizer.step()
            """
                ####################################
                    Saving the model if necessary
                ####################################
            """

            if is_ready_to_save(iteration):

                state = {
                    'iteration': iteration,
                    'state_dict': model.state_dict(),
                    'best_loss': best_loss,
                    'total_time': accumulated_time,
                    'optimizer': optimizer.state_dict(),
                    'best_loss_iter': best_loss_iter
                }
                torch.save(state, os.path.join('_logs', exp_batch, exp_alias
                                               , 'checkpoints', str(iteration) + '.pth'))

            """
                ################################################
                    Adding tensorboard logs.
                    Making calculations for logging purposes.
                    These logs are monitored by the printer module.
                #################################################
            """
            coil_logger.add_scalar('Loss', loss.data, iteration)
            coil_logger.add_image('Image', torch.squeeze(data['rgb']), iteration)
            if loss.data < best_loss:
                best_loss = loss.data.tolist()
                best_loss_iter = iteration

            # Log a random position
            position = random.randint(0, len(data) - 1)

            output = model.extract_branch(torch.stack(branches[0:4]), controls)
            error = torch.abs(output - dataset.extract_targets(data).cuda())

            accumulated_time += time.time() - capture_time

            coil_logger.add_message('Iterating',
                                    {'Iteration': iteration,
                                     'Loss': loss.data.tolist(),
                                     'Images/s': (iteration * g_conf.BATCH_SIZE) / accumulated_time,
                                     'BestLoss': best_loss, 'BestLossIteration': best_loss_iter,
                                     'Output': output[position].data.tolist(),
                                     'GroundTruth': dataset.extract_targets(data)[
                                         position].data.tolist(),
                                     'Error': error[position].data.tolist(),
                                     'Inputs': dataset.extract_inputs(data)[
                                         position].data.tolist()},
                                    iteration)
            loss_window.append(loss.data.tolist())
            coil_logger.write_on_error_csv('train', loss.data)
            print("Iteration: %d  Loss: %f" % (iteration, loss.data))

        coil_logger.add_message('Finished', {})

    except KeyboardInterrupt:
        coil_logger.add_message('Error', {'Message': 'Killed By User'})

    except RuntimeError as e:

        coil_logger.add_message('Error', {'Message': str(e)})

    except:
        traceback.print_exc()
        coil_logger.add_message('Error', {'Message': 'Something Happened'})
コード例 #11
0
def execute(gpu, exp_batch, exp_alias):

    manualSeed = g_conf.SEED
    torch.cuda.manual_seed(manualSeed)
    os.environ["CUDA_VISIBLE_DEVICES"] = gpu
    merge_with_yaml(os.path.join('configs', exp_batch, exp_alias + '.yaml'))
    set_type_of_process('train')

    coil_logger.add_message('Loading', {'GPU': gpu})
    if not os.path.exists('_output_logs'):
        os.mkdir('_output_logs')
    sys.stdout = open(os.path.join(
        '_output_logs', g_conf.PROCESS_NAME + '_' + str(os.getpid()) + ".out"),
                      "a",
                      buffering=1)
    if monitorer.get_status(exp_batch, exp_alias + '.yaml',
                            g_conf.PROCESS_NAME)[0] == "Finished":
        return

    full_dataset = os.path.join(os.environ["COIL_DATASET_PATH"],
                                g_conf.TRAIN_DATASET_NAME)
    real_dataset = os.path.join(os.environ["COIL_DATASET_PATH"],
                                "FinalRealWorldDataset")

    #main data loader
    dataset = CoILDataset(full_dataset,
                          real_dataset,
                          transform=transforms.Compose([transforms.ToTensor()
                                                        ]))

    sampler = BatchSequenceSampler(
        splitter.control_steer_split(dataset.measurements,
                                     dataset.meta_data), g_conf.BATCH_SIZE,
        g_conf.NUMBER_IMAGES_SEQUENCE, g_conf.SEQUENCE_STRIDE)
    data_loader = torch.utils.data.DataLoader(dataset,
                                              batch_sampler=sampler,
                                              shuffle=False,
                                              num_workers=6,
                                              pin_memory=True)

    #real image dataloader

    l1weight = g_conf.L1_WEIGHT
    image_size = tuple([88, 200])

    print("Configurations of ", exp_alias)
    print("GANMODEL_NAME", g_conf.GANMODEL_NAME)
    print("LOSS_FUNCTION", g_conf.LOSS_FUNCTION)
    print("TYPE", g_conf.TYPE)
    print("L1 WEIGHT", g_conf.L1_WEIGHT)

    optimD = torch.optim.Adam(netD.parameters(),
                              lr=g_conf.LR_D,
                              betas=(0.7, 0.999))
    optimG = torch.optim.Adam(netG.parameters(),
                              lr=g_conf.LR_G,
                              betas=(0.7, 0.999))
    if g_conf.TYPE == 'task':
        optimF = torch.optim.Adam(netF.parameters(), lr=g_conf.LEARNING_RATE)
        Task_Loss = TaskLoss()

    if g_conf.LOSS_FUNCTION == 'LSGAN':
        Loss = torch.nn.MSELoss().cuda()
    elif g_conf.LOSS_FUNCTION == 'NORMAL':
        Loss = torch.nn.BCELoss().cuda()

    L1_loss = torch.nn.L1Loss().cuda()

    iteration = 0
    best_loss_iter_F = 0
    best_loss_iter_G = 0
    best_lossF = 1000000.0
    best_lossD = 1000000.0
    best_lossG = 1000000.0
    accumulated_time = 0

    gen_iterations = 0

    netG.train()
    netD.train()
    netF.train()
    capture_time = time.time()

    if not os.path.exists('./imgs_' + exp_alias):
        os.mkdir('./imgs_' + exp_alias)

    #TODO put family for losses
    fake_img_pool = ImagePool(50)

    for data in data_loader:

        set_requires_grad(netD, True)
        set_requires_grad(netF, True)
        set_requires_grad(netG, True)

        input_data, float_data, tgt_imgs = data

        if g_conf.IF_AUG:
            inputs = augmenter(0, input_data['rgb'])
            # tgt_imgs = augmenter(0, tgt_imgs)
        else:
            inputs = input_data['rgb'].cuda()
            # tgt_imgs = tgt_imgs.cuda()

        tgt_imgs = tgt_imgs.cuda()

        #TODO: make sure the F network does not get optimized by G optim
        controls = float_data[:, dataset.controls_position(), :]
        embed, branches = netF(inputs_in,
                               dataset.extract_inputs(float_data).cuda())
        print("Branch Outputs:::", branches[0][0])

        embed_inputs = embed
        fake_inputs = netG(embed_inputs.detach())
        fake_inputs_in = fake_inputs

        if iteration % 500 == 0:
            imgs_to_save = torch.cat((inputs_in[:2] + val, fake_inputs_in[:2]),
                                     0).cpu().data
            vutils.save_image(imgs_to_save,
                              './imgs_' + exp_alias + '/' + str(iteration) +
                              '_real_and_fake.png',
                              normalize=True)
            coil_logger.add_image("Images", imgs_to_save, iteration)

        ##--------------------Discriminator part!!!!!!!!!!-------------------##
        set_requires_grad(netD, True)
        set_requires_grad(netF, False)
        set_requires_grad(netG, False)
        optimD.zero_grad()

        ##fake
        fake_inputs_forD = fake_img_pool.query(fake_inputs.detach())
        outputsD_fake_forD = netD(fake_inputs_forD.detach())

        labsize = outputsD_fake_forD.size()
        labels_fake = torch.zeros(labsize)  #Fake labels
        label_fake_noise = torch.rand(
            labels_fake.size()) * 0.05 - 0.025  #Label smoothing

        if g_conf.LABSMOOTH == 1:
            labels_fake = labels_fake + labels_fake_noise

        labels_fake = Variable(labels_fake).cuda()
        lossD_fake = Loss(outputsD_fake_forD, labels_fake)

        ##real
        outputsD_real = netD(inputs)

        labsize = outputsD_real.size()
        labels_real = torch.ones(labsize)  #Real labels
        label_real_noise = torch.rand(
            labels_real.size()) * 0.05 - 0.025  #Label smoothing

        if g_conf.LABSMOOTH == 1:
            labels_real = labels_real + labels_real_noise

        labels_real = Variable(labels_real).cuda()
        lossD_real = Loss(outputsD_real, labels_real)

        #Discriminator updates

        lossD = (lossD_real + lossD_fake) * 0.5
        lossD /= len(inputs)
        lossD.backward()
        optimD.step()

        coil_logger.add_scalar('Total LossD', lossD.data, iteration)
        coil_logger.add_scalar('Real LossD', lossD_real.data / len(inputs),
                               iteration)
        coil_logger.add_scalar('Fake LossD', lossD_fake.data / len(inputs),
                               iteration)

        ##--------------------Generator part!!!!!!!!!!-----------------------##
        set_requires_grad(netD, False)
        set_requires_grad(netF, False)
        set_requires_grad(netG, True)
        optimG.zero_grad()

        outputsD_fake_forG = netD(fake_inputs)
        #Generator updates

        lossG_adv = Loss(outputsD_fake_forG, labels_real)
        lossG_smooth = L1_loss(fake_inputs, inputs)
        lossG = (lossG_adv + l1weight * lossG_smooth) / (1.0 + l1weight)
        lossG /= len(inputs)
        print(lossG)

        lossG.backward()
        optimG.step()

        #####Task network updates##########################
        set_requires_grad(netD, False)
        set_requires_grad(netF, True)
        set_requires_grad(netG, False)

        optimF.zero_grad()
        lossF = Task_Loss.MSELoss(branches,
                                  dataset.extract_targets(float_data).cuda(),
                                  controls.cuda(),
                                  dataset.extract_inputs(float_data).cuda())
        coil_logger.add_scalar('Task Loss', lossF.data, iteration)
        lossF.backward()
        optimF.step()

        coil_logger.add_scalar('Total LossG', lossG.data, iteration)
        coil_logger.add_scalar('Adv LossG', lossG_adv.data / len(inputs),
                               iteration)
        coil_logger.add_scalar('Smooth LossG', lossG_smooth.data / len(inputs),
                               iteration)

        #optimization for one iter done!

        position = random.randint(0, len(float_data) - 1)
        if lossD.data < best_lossD:
            best_lossD = lossD.data.tolist()

        if lossG.data < best_lossG:
            best_lossG = lossG.data.tolist()
            best_loss_iter_G = iteration

        if lossF.data < best_lossF:
            best_lossF = lossF.data.tolist()
            best_loss_iter_F = iteration

        accumulated_time += time.time() - capture_time
        capture_time = time.time()
        print("LossD", lossD.data.tolist(), "LossG", lossG.data.tolist(),
              "BestLossD", best_lossD, "BestLossG", best_lossG, "LossF", lossF,
              "BestLossF", best_lossF, "Iteration", iteration,
              "Best Loss Iteration G", best_loss_iter_G,
              "Best Loss Iteration F", best_loss_iter_F)

        coil_logger.add_message(
            'Iterating', {
                'Iteration':
                iteration,
                'LossD':
                lossD.data.tolist(),
                'LossG':
                lossG.data.tolist(),
                'Images/s': (iteration * g_conf.BATCH_SIZE) / accumulated_time,
                'BestLossD':
                best_lossD,
                'BestLossG':
                best_lossG,
                'BestLossIterationG':
                best_loss_iter_G,
                'BestLossF':
                best_lossF,
                'BestLossIterationF':
                best_loss_iter_F,
                'GroundTruth':
                dataset.extract_targets(float_data)[position].data.tolist(),
                'Inputs':
                dataset.extract_inputs(float_data)[position].data.tolist()
            }, iteration)

        if is_ready_to_save(iteration):

            state = {
                'iteration': iteration,
                'stateD_dict': netD.state_dict(),
                'stateG_dict': netG.state_dict(),
                'stateF_dict': netF.state_dict(),
                'best_lossD': best_lossD,
                'best_lossG': best_lossG,
                'total_time': accumulated_time,
                'best_loss_iter_G': best_loss_iter_G,
                'best_loss_iter_F': best_loss_iter_F
            }
            torch.save(
                state,
                os.path.join('/datatmp/Experiments/rohitgan/_logs', exp_batch,
                             exp_alias, 'checkpoints',
                             str(iteration) + '.pth'))
        if iteration == best_loss_iter_G and iteration > 10000:

            state = {
                'iteration': iteration,
                'stateD_dict': netD.state_dict(),
                'stateG_dict': netG.state_dict(),
                'stateF_dict': netF.state_dict(),
                'best_lossD': best_lossD,
                'best_lossG': best_lossG,
                'total_time': accumulated_time,
                'best_loss_iter_G': best_loss_iter_G
            }
            torch.save(
                state,
                os.path.join('/datatmp/Experiments/rohitgan/_logs', exp_batch,
                             exp_alias, 'best_modelG' + '.pth'))

        if iteration == best_loss_iter_F and iteration > 10000:

            state = {
                'iteration': iteration,
                'stateD_dict': netD.state_dict(),
                'stateG_dict': netG.state_dict(),
                'stateF_dict': netF.state_dict(),
                'best_lossD': best_lossD,
                'best_lossG': best_lossG,
                'best_lossF': best_lossF,
                'total_time': accumulated_time,
                'best_loss_iter_F': best_loss_iter_F
            }
            torch.save(
                state,
                os.path.join('/datatmp/Experiments/rohitgan/_logs', exp_batch,
                             exp_alias, 'best_modelF' + '.pth'))

        iteration += 1
コード例 #12
0
ファイル: train.py プロジェクト: rohitgajawada/chauffeur_GAN
def execute(gpu, exp_batch, exp_alias, suppress_output=True):
    # We set the visible cuda devices

    # TODO: probable race condition, the train has to be started before.
    try:
        os.environ["CUDA_VISIBLE_DEVICES"] = gpu

        # At this point the log file with the correct naming is created.
        merge_with_yaml(os.path.join('configs', exp_batch,
                                     exp_alias + '.yaml'))
        set_type_of_process('train')

        coil_logger.add_message('Loading', {'GPU': gpu})

        if not os.path.exists('_output_logs'):
            os.mkdir('_output_logs')

        # Put the output to a separate file
        if suppress_output:
            sys.stdout = open(os.path.join(
                '_output_logs',
                g_conf.PROCESS_NAME + '_' + str(os.getpid()) + ".out"),
                              "a",
                              buffering=1)

        checkpoint_file = get_latest_saved_checkpoint()
        if checkpoint_file is not None:
            checkpoint = torch.load(
                os.path.join('_logs', exp_batch, exp_alias, 'checkpoints',
                             str(get_latest_saved_checkpoint())))
            iteration = checkpoint['iteration']
            best_loss = checkpoint['best_loss']
            best_loss_iter = checkpoint['best_loss_iter']

        else:
            iteration = 0
            best_loss = 10000.0
            best_loss_iter = 0

        # TODO: The checkpoint will continue, so it should erase everything up to the iteration on tensorboard
        # Define the dataset. This structure is has the __get_item__ redefined in a way
        # that you can access the HD_FILES positions from the root directory as a in a vector.
        full_dataset = os.path.join(os.environ["COIL_DATASET_PATH"],
                                    g_conf.TRAIN_DATASET_NAME)

        # augmenter_cpu = iag.AugmenterCPU(g_conf.AUGMENTATION_SUITE_CPU)

        # By instanciating the augmenter we get a callable that augment images and transform them
        # into tensors.
        augmenter = Augmenter(g_conf.AUGMENTATION)

        dataset = CoILDataset(full_dataset, transform=augmenter)

        data_loader = select_balancing_strategy(dataset, iteration)

        model = CoILModel(g_conf.MODEL_TYPE, g_conf.MODEL_CONFIGURATION)
        model.cuda()

        if checkpoint_file is not None:
            model.load_state_dict(checkpoint['state_dict'])

        print(model)

        criterion = Loss(g_conf.LOSS_FUNCTION)

        optimizer = optim.Adam(model.parameters(), lr=g_conf.LEARNING_RATE)

        print(dataset.meta_data)

        print(model)
        if checkpoint_file is not None:
            accumulated_time = checkpoint['total_time']
        else:
            accumulated_time = 0  # We accumulate iteration time and keep the average speed

        #TODO: test experiment continuation. Is the data sampler going to continue were it started.. ?
        capture_time = time.time()
        for data in data_loader:

            input_data, float_data = data

            # get the control commands from float_data, size = [120,1]

            controls = float_data[:, dataset.controls_position(), :]

            # The output(branches) is a list of 5 branches results, each branch is with size [120,3]

            model.zero_grad()

            branches = model(torch.squeeze(input_data['rgb'].cuda()),
                             dataset.extract_inputs(float_data).cuda())

            loss = criterion(branches,
                             dataset.extract_targets(float_data).cuda(),
                             controls.cuda(),
                             dataset.extract_inputs(float_data).cuda(),
                             branch_weights=g_conf.BRANCH_LOSS_WEIGHT,
                             variable_weights=g_conf.VARIABLE_WEIGHT)

            # TODO: All these logging things could go out to clean up the main
            if loss.data < best_loss:
                best_loss = loss.data.tolist()
                best_loss_iter = iteration

            # Log a random position
            position = random.randint(0, len(float_data) - 1)

            output = model.extract_branch(torch.stack(branches[0:4]), controls)
            error = torch.abs(output -
                              dataset.extract_targets(float_data).cuda())

            # TODO: For now we are computing the error for just the correct branch, it could be multi- branch,

            coil_logger.add_scalar('Loss', loss.data, iteration)
            coil_logger.add_image('Image', torch.squeeze(input_data['rgb']),
                                  iteration)

            loss.backward()
            optimizer.step()

            accumulated_time += time.time() - capture_time
            capture_time = time.time()

            # TODO: Get only the  float_data that are actually generating output
            # TODO: itearation is repeating , and that is dumb
            coil_logger.add_message(
                'Iterating', {
                    'Iteration':
                    iteration,
                    'Loss':
                    loss.data.tolist(),
                    'Images/s':
                    (iteration * g_conf.BATCH_SIZE) / accumulated_time,
                    'BestLoss':
                    best_loss,
                    'BestLossIteration':
                    best_loss_iter,
                    'Output':
                    output[position].data.tolist(),
                    'GroundTruth':
                    dataset.extract_targets(
                        float_data)[position].data.tolist(),
                    'Error':
                    error[position].data.tolist(),
                    'Inputs':
                    dataset.extract_inputs(float_data)[position].data.tolist()
                }, iteration)

            # TODO: For now we are computing the error for just the correct branch, it could be multi-branch,

            # TODO: save also the optimizer state dictionary
            if is_ready_to_save(iteration):

                state = {
                    'iteration': iteration,
                    'state_dict': model.state_dict(),
                    'best_loss': best_loss,
                    'total_time': accumulated_time,
                    'best_loss_iter': best_loss_iter
                }
                # TODO : maybe already summarize the best model ???
                torch.save(
                    state,
                    os.path.join('_logs', exp_batch, exp_alias, 'checkpoints',
                                 str(iteration) + '.pth'))

            iteration += 1
            print(iteration)

            if iteration % 1000 == 0:
                adjust_learning_rate(optimizer, iteration)

            del data

        coil_logger.add_message('Finished', {})

    except KeyboardInterrupt:
        coil_logger.add_message('Error', {'Message': 'Killed By User'})

    except:
        traceback.print_exc()

        coil_logger.add_message('Error', {'Message': 'Something Happened'})