Esempio n. 1
0
def main(args):
    # --- CONFIG
    device = torch.device(f"cuda:{args.cuda}"
                          if torch.cuda.is_available() and
                          args.cuda >= 0 else "cpu")
    n_batches = 5
    # ---------

    # --- TRANSFORMATIONS
    train_transform = transforms.Compose([
        RandomCrop(28, padding=4),
        ToTensor(),
        transforms.Normalize((0.1307,), (0.3081,))
    ])
    test_transform = transforms.Compose([
        ToTensor(),
        transforms.Normalize((0.1307,), (0.3081,))
    ])
    # ---------

    # --- SCENARIO CREATION
    mnist_train = MNIST('./data/mnist', train=True,
                        download=True, transform=train_transform)
    mnist_test = MNIST('./data/mnist', train=False,
                       download=True, transform=test_transform)
    scenario = nc_scenario(
        mnist_train, mnist_test, n_batches, task_labels=False, seed=1234)
    # ---------

    # MODEL CREATION
    model = SimpleMLP(num_classes=scenario.n_classes)

    # choose some metrics and evaluation method
    interactive_logger = InteractiveLogger()

    eval_plugin = EvaluationPlugin(
        accuracy_metrics(
            minibatch=True, epoch=True, experience=True, stream=True),
        loss_metrics(minibatch=True, epoch=True, experience=True, stream=True),
        ExperienceForgetting(),
        loggers=[interactive_logger])

    # CREATE THE STRATEGY INSTANCE (NAIVE)
    cl_strategy = Naive(model, torch.optim.Adam(model.parameters(), lr=0.001),
                        CrossEntropyLoss(),
                        train_mb_size=100, train_epochs=4, eval_mb_size=100, device=device,
                        plugins=[ReplayPlugin(mem_size=10000)],
                        evaluator=eval_plugin
                        )

    # TRAINING LOOP
    print('Starting experiment...')
    results = []
    for experience in scenario.train_stream:
        print("Start of experience ", experience.current_experience)
        cl_strategy.train(experience)
        print('Training completed')

        print('Computing accuracy on the whole test set')
        results.append(cl_strategy.eval(scenario.test_stream))
Esempio n. 2
0
def main(args):
    """
    Last Avalanche version reference performance (online):
        Top1_Acc_Stream/eval_phase/test_stream = 0.9421
    """
    # --- DEFAULT PARAMS ONLINE DATA INCREMENTAL LEARNING
    nb_tasks = 5  # Can still design the data stream based on tasks
    epochs = 1  # All data is only seen once: Online
    batch_size = 10  # Only process small amount of data at a time
    return_task_id = False  # Data incremental (task-agnostic/task-free)
    # TODO use data_incremental_generator, now experience=task

    # --- CONFIG
    device = torch.device(
        f"cuda:{args.cuda}" if torch.cuda.is_available() and args.cuda >= 0
        else "cpu")
    # ---------

    # --- SCENARIO CREATION
    scenario = SplitMNIST(nb_tasks, return_task_id=return_task_id,
                          fixed_class_order=[i for i in range(10)])
    # ---------

    # MODEL CREATION
    model = SimpleMLP(num_classes=args.featsize,
                      hidden_size=400, hidden_layers=2)

    # choose some metrics and evaluation method
    interactive_logger = InteractiveLogger()

    eval_plugin = EvaluationPlugin(
        accuracy_metrics(experience=True, stream=True),
        loss_metrics(experience=True, stream=True),
        ExperienceForgetting(),
        loggers=[interactive_logger])

    # CoPE PLUGIN
    cope = CoPEPlugin(mem_size=2000, p_size=args.featsize,
                      n_classes=scenario.n_classes)

    # CREATE THE STRATEGY INSTANCE (NAIVE) WITH CoPE PLUGIN
    cl_strategy = Naive(model, torch.optim.SGD(model.parameters(), lr=0.01),
                        cope.loss,  # CoPE PPP-Loss
                        train_mb_size=batch_size, train_epochs=epochs,
                        eval_mb_size=100, device=device,
                        plugins=[cope],
                        evaluator=eval_plugin
                        )

    # TRAINING LOOP
    print('Starting experiment...')
    results = []
    for experience in scenario.train_stream:
        print("Start of experience ", experience.current_experience)
        cl_strategy.train(experience)
        print('Training completed')

        print('Computing accuracy on the whole test set')
        results.append(cl_strategy.eval(scenario.test_stream))
Esempio n. 3
0
def main(args):
    model = SimpleMLP(hidden_size=args.hs)
    optimizer = torch.optim.SGD(model.parameters(), lr=args.lr)
    criterion = torch.nn.CrossEntropyLoss()

    # check if selected GPU is available or use CPU
    assert args.cuda == -1 or args.cuda >= 0, "cuda must be -1 or >= 0."
    device = torch.device(f"cuda:{args.cuda}" if torch.cuda.is_available()
                          and args.cuda >= 0 else "cpu")
    print(f'Using device: {device}')

    # create scenario
    if args.scenario == 'pmnist':
        scenario = PermutedMNIST(n_experiences=args.permutations)
    elif args.scenario == 'smnist':
        scenario = SplitMNIST(n_experiences=5, return_task_id=False)
    else:
        raise ValueError("Wrong scenario name. Allowed pmnist, smnist.")

    # choose some metrics and evaluation method
    interactive_logger = InteractiveLogger()
    text_logger = TextLogger(open('log.txt', 'a'))

    eval_plugin = EvaluationPlugin(accuracy_metrics(minibatch=True,
                                                    epoch=True,
                                                    experience=True,
                                                    stream=True),
                                   loss_metrics(minibatch=True,
                                                epoch=True,
                                                experience=True,
                                                stream=True),
                                   ExperienceForgetting(),
                                   loggers=[interactive_logger])

    # create strategy
    strategy = EWC(model,
                   optimizer,
                   criterion,
                   args.ewc_lambda,
                   args.ewc_mode,
                   decay_factor=args.decay_factor,
                   train_epochs=args.epochs,
                   device=device,
                   train_mb_size=args.minibatch_size,
                   evaluator=eval_plugin)

    # train on the selected scenario with the chosen strategy
    print('Starting experiment...')
    results = []
    for experience in scenario.train_stream:
        print("Start training on experience ", experience.current_experience)

        strategy.train(experience)
        print("End training on experience", experience.current_experience)
        print('Computing accuracy on the test set')
        results.append(strategy.eval(scenario.test_stream[:]))
Esempio n. 4
0
def main(args):
    model = SimpleMLP(hidden_size=args.hs)
    optimizer = torch.optim.SGD(model.parameters(), lr=args.lr)
    criterion = torch.nn.CrossEntropyLoss()

    # check if selected GPU is available or use CPU
    assert args.cuda == -1 or args.cuda >= 0, "cuda must be -1 or >= 0."
    device = torch.device(f"cuda:{args.cuda}" if torch.cuda.is_available()
                          and args.cuda >= 0 else "cpu")
    print(f'Using device: {device}')

    # create split scenario
    scenario = SplitMNIST(n_experiences=5, return_task_id=False)

    interactive_logger = InteractiveLogger()
    eval_plugin = EvaluationPlugin(accuracy_metrics(minibatch=True,
                                                    epoch=True,
                                                    experience=True,
                                                    stream=True),
                                   loss_metrics(minibatch=True,
                                                epoch=True,
                                                experience=True,
                                                stream=True),
                                   ExperienceForgetting(),
                                   loggers=[interactive_logger])

    # create strategy
    assert len(args.lwf_alpha) == 1 or len(args.lwf_alpha) == 5,\
        'Alpha must be a non-empty list.'
    lwf_alpha = args.lwf_alpha[0] if len(
        args.lwf_alpha) == 1 else args.lwf_alpha

    strategy = LwF(model,
                   optimizer,
                   criterion,
                   alpha=lwf_alpha,
                   temperature=args.softmax_temperature,
                   train_epochs=args.epochs,
                   device=device,
                   train_mb_size=args.minibatch_size,
                   evaluator=eval_plugin)

    # train on the selected scenario with the chosen strategy
    print('Starting experiment...')
    results = []
    for train_batch_info in scenario.train_stream:
        print("Start training on experience ",
              train_batch_info.current_experience)

        strategy.train(train_batch_info, num_workers=4)
        print("End training on experience ",
              train_batch_info.current_experience)
        print('Computing accuracy on the test set')
        results.append(strategy.eval(scenario.test_stream[:]))
Esempio n. 5
0
def main(args):
    # --- CONFIG
    device = torch.device(f"cuda:{args.cuda}" if torch.cuda.is_available()
                          and args.cuda >= 0 else "cpu")
    # ---------

    # --- TRANSFORMATIONS
    train_transform = transforms.Compose([
        Resize(224),
        ToTensor(),
        transforms.Normalize((0.1307, ), (0.3081, ))
    ])
    test_transform = transforms.Compose([
        Resize(224),
        ToTensor(),
        transforms.Normalize((0.1307, ), (0.3081, ))
    ])
    # ---------

    # --- SCENARIO CREATION
    scenario = SplitCIFAR10(5,
                            train_transform=train_transform,
                            eval_transform=test_transform)
    # ---------

    # MODEL CREATION
    model = MobilenetV1()
    adapt_classification_layer(model, scenario.n_classes, bias=False)

    # DEFINE THE EVALUATION PLUGIN AND LOGGER

    my_logger = TensorboardLogger(tb_log_dir="logs",
                                  tb_log_exp_name="logging_example")

    # print to stdout
    interactive_logger = InteractiveLogger()

    evaluation_plugin = EvaluationPlugin(
        accuracy_metrics(minibatch=True,
                         epoch=True,
                         experience=True,
                         stream=True),
        loss_metrics(minibatch=True, epoch=True, experience=True, stream=True),
        ExperienceForgetting(),
        loggers=[my_logger, interactive_logger])

    # CREATE THE STRATEGY INSTANCE (NAIVE with the Synaptic Intelligence plugin)
    cl_strategy = SynapticIntelligence(model,
                                       Adam(model.parameters(), lr=0.001),
                                       CrossEntropyLoss(),
                                       si_lambda=0.0001,
                                       train_mb_size=128,
                                       train_epochs=4,
                                       eval_mb_size=128,
                                       device=device,
                                       evaluator=evaluation_plugin)

    # TRAINING LOOP
    print('Starting experiment...')
    results = []
    for experience in scenario.train_stream:
        print("Start of experience: ", experience.current_experience)
        print("Current Classes: ", experience.classes_in_this_experience)

        cl_strategy.train(experience)
        print('Training completed')

        print('Computing accuracy on the whole test set')
        results.append(cl_strategy.eval(scenario.test_stream))
Esempio n. 6
0
)

# log to Tensorboard
tb_logger = TensorboardLogger(f"./tb_data/{cur_time}-SimpleMLP/")

# log to text file
text_logger = TextLogger(open(f"./logs/{cur_time}-SimpleMLP.txt", "w+"))

# print to stdout
interactive_logger = InteractiveLogger()

eval_plugin = EvaluationPlugin(
    accuracy_metrics(minibatch=True, epoch=True, experience=True, stream=True),
    loss_metrics(minibatch=True, epoch=True, experience=True, stream=True),
    timing_metrics(epoch=True, epoch_running=True),
    ExperienceForgetting(),
    cpu_usage_metrics(experience=True),
    StreamConfusionMatrix(num_classes=2, save_image=False),
    disk_usage_metrics(minibatch=True, epoch=True, experience=True, stream=True),
    loggers=[interactive_logger, text_logger, tb_logger],
)

cl_strategy = GEM(
    model,
    optimizer=Adam(model.parameters()),
    patterns_per_exp=1470,
    criterion=CrossEntropyLoss(),
    train_mb_size=128,
    train_epochs=50,
    eval_mb_size=128,
    evaluator=eval_plugin,
Esempio n. 7
0
def main(args):
    # --- CONFIG
    device = torch.device(f"cuda:{args.cuda}" if torch.cuda.is_available()
                          and args.cuda >= 0 else "cpu")
    # ---------

    # --- TRANSFORMATIONS
    train_transform = transforms.Compose([
        RandomCrop(28, padding=4),
        ToTensor(),
        transforms.Normalize((0.1307, ), (0.3081, ))
    ])
    test_transform = transforms.Compose(
        [ToTensor(), transforms.Normalize((0.1307, ), (0.3081, ))])
    # ---------

    # --- SCENARIO CREATION
    mnist_train = MNIST('./data/mnist',
                        train=True,
                        download=True,
                        transform=train_transform)
    mnist_test = MNIST('./data/mnist',
                       train=False,
                       download=True,
                       transform=test_transform)
    scenario = nc_scenario(mnist_train,
                           mnist_test,
                           5,
                           task_labels=False,
                           seed=1234)
    # ---------

    # MODEL CREATION
    model = SimpleMLP(num_classes=scenario.n_classes)

    # DEFINE THE EVALUATION PLUGIN AND LOGGER
    # The evaluation plugin manages the metrics computation.
    # It takes as argument a list of metrics and a list of loggers.
    # The evaluation plugin calls the loggers to serialize the metrics
    # and save them in persistent memory or print them in the standard output.

    # log to text file
    text_logger = TextLogger(open('log.txt', 'a'))

    # print to stdout
    interactive_logger = InteractiveLogger()

    eval_plugin = EvaluationPlugin(accuracy_metrics(minibatch=True,
                                                    epoch=True,
                                                    experience=True,
                                                    stream=True),
                                   loss_metrics(minibatch=True,
                                                epoch=True,
                                                experience=True,
                                                stream=True),
                                   cpu_usage_metrics(minibatch=True,
                                                     epoch=True,
                                                     experience=True,
                                                     stream=True),
                                   timing_metrics(minibatch=True,
                                                  epoch=True,
                                                  experience=True,
                                                  stream=True),
                                   ExperienceForgetting(),
                                   loggers=[interactive_logger, text_logger])

    # CREATE THE STRATEGY INSTANCE (NAIVE)
    cl_strategy = Naive(model,
                        SGD(model.parameters(), lr=0.001, momentum=0.9),
                        CrossEntropyLoss(),
                        train_mb_size=500,
                        train_epochs=1,
                        eval_mb_size=100,
                        device=device,
                        evaluator=eval_plugin)

    # TRAINING LOOP
    print('Starting experiment...')
    results = []
    for experience in scenario.train_stream:
        print("Start of experience: ", experience.current_experience)
        print("Current Classes: ", experience.classes_in_this_experience)

        # train returns a list of dictionaries (one for each experience). Each
        # dictionary stores the last value of each metric curve emitted
        # during training.
        res = cl_strategy.train(experience)
        print('Training completed')

        print('Computing accuracy on the whole test set')
        # test also returns a dictionary
        results.append(cl_strategy.eval(scenario.test_stream))

    print(f"Test metrics:\n{results}")

    # All the metric curves (x,y values) are stored inside the evaluator
    # (can be disabled). You can use this dictionary to manipulate the
    # metrics without avalanche.
    all_metrics = cl_strategy.evaluator.all_metrics
    print(f"Stored metrics: {list(all_metrics.keys())}")
    mname = 'Top1_Acc_Task/Task000'
    print(f"{mname}: {cl_strategy.evaluator.all_metrics[mname]}")
Esempio n. 8
0
def main():
    args = parser.parse_args()
    args.cuda = args.cuda == 'yes'
    args.disable_pbar = args.disable_pbar == 'yes'
    args.stable_sgd = args.stable_sgd == 'yes'
    print(f"args={vars(args)}")

    device = torch.device("cuda:0" if torch.cuda.is_available() and args.cuda else "cpu")
    print(f'Using device: {device}')

    # unique identifier
    uid = uuid.uuid4().hex if args.uid is None else args.uid
    now = str(datetime.datetime.now().date()) + "_" + ':'.join(str(datetime.datetime.now().time()).split(':')[:-1])
    runname = 'T={}_id={}'.format(now, uid) if not args.resume else args.resume

    # Paths
    setupname = [args.strategy, args.exp_name, args.model, args.scenario]
    parentdir = os.path.join(args.save_path, '_'.join(setupname))
    results_path = Path(os.path.join(parentdir, runname))
    results_path.mkdir(parents=True, exist_ok=True)
    tb_log_dir = os.path.join(results_path, 'tb_run')  # Group all runs

    # Eval results
    eval_metric = 'Top1_Acc_Stream/eval_phase/test_stream'
    eval_results_dir = results_path / eval_metric.split('/')[0]
    eval_results_dir.mkdir(parents=True, exist_ok=True)

    eval_result_files = []  # To avg over seeds
    seeds = [args.seed] if args.seed is not None else list(range(args.n_seeds))
    for seed in seeds:
        # initialize seeds
        print("STARTING SEED {}/{}".format(seed, len(seeds) - 1))

        set_seed(seed)

        # create scenario
        if args.scenario == 'smnist':
            inputsize = 28 * 28
            scenario = SplitMNIST(n_experiences=5, return_task_id=False, seed=seed,
                                  fixed_class_order=[i for i in range(10)])
        elif args.scenario == 'CIFAR10':
            scenario = SplitCIFAR10(n_experiences=5, return_task_id=False, seed=seed,
                                    fixed_class_order=[i for i in range(10)])
            inputsize = (3, 32, 32)
        elif args.scenario == 'miniimgnet':
            scenario = SplitMiniImageNet(args.dset_rootpath, n_experiences=20, return_task_id=False, seed=seed,
                                         fixed_class_order=[i for i in range(100)])
            inputsize = (3, 84, 84)
        else:
            raise ValueError("Wrong scenario name.")
        print(f"Scenario = {args.scenario}")

        if args.model == 'simple_mlp':
            model = MyMLP(input_size=inputsize, hidden_size=args.hs)
        elif args.model == 'resnet18':
            if not args.stable_sgd:
                assert args.drop_prob == 0
            model = ResNet18(inputsize, scenario.n_classes, drop_prob=args.drop_prob)

        criterion = torch.nn.CrossEntropyLoss()
        optimizer = torch.optim.SGD(model.parameters(), lr=args.lr)

        # Paths
        eval_results_file = eval_results_dir / f'seed={seed}.csv'

        # LOGGING
        tb_logger = TensorboardLogger(tb_log_dir=tb_log_dir, tb_log_exp_name=f'seed={seed}.pt')  # log to Tensorboard
        print_logger = TextLogger() if args.disable_pbar else InteractiveLogger()  # print to stdout
        eval_logger = EvalTextLogger(metric_filter=eval_metric, file=open(eval_results_file, 'a'))
        eval_result_files.append(eval_results_file)

        # METRICS
        eval_plugin = EvaluationPlugin(
            accuracy_metrics(experience=True, stream=True),
            loss_metrics(minibatch=True, experience=True),
            ExperienceForgetting(),  # Test only
            StreamConfusionMatrix(num_classes=scenario.n_classes, save_image=True),

            # LOG OTHER STATS
            # timing_metrics(epoch=True, experience=False),
            # cpu_usage_metrics(experience=True),
            # DiskUsageMonitor(),
            # MinibatchMaxRAM(),
            # GpuUsageMonitor(0),
            loggers=[print_logger, tb_logger, eval_logger])

        plugins = None
        if args.strategy == 'replay':
            plugins = [RehRevPlugin(n_total_memories=args.mem_size,
                                    mode=args.replay_mode,  # STEP-BACK
                                    aversion_steps=args.aversion_steps,
                                    aversion_lr=args.aversion_lr,
                                    stable_sgd=args.stable_sgd,  # Stable SGD
                                    lr_decay=args.lr_decay,
                                    init_epochs=args.init_epochs  # First task epochs
                                    )]

        # CREATE THE STRATEGY INSTANCE (NAIVE)
        strategy = Naive(model, optimizer, criterion,
                         train_epochs=args.epochs, device=device,
                         train_mb_size=args.bs, evaluator=eval_plugin,
                         plugins=plugins
                         )

        # train on the selected scenario with the chosen strategy
        print('Starting experiment...')
        for experience in scenario.train_stream:
            if experience.current_experience == args.until_task:
                print("CUTTING OF TRAINING AT TASK ", experience.current_experience)
                break
            else:
                print("Start training on step ", experience.current_experience)

            strategy.train(experience)
            print("End training on step ", experience.current_experience)
            print('Computing accuracy on the test set')
            res = strategy.eval(scenario.test_stream[:args.until_task])  # Gathered by EvalLogger

    final_results_file = eval_results_dir / f'seed_summary.pt'
    stat_summarize(eval_result_files, final_results_file)
    print(f"[FILE:TB-RESULTS]: {tb_log_dir}")
    print(f"[FILE:FINAL-RESULTS]: {final_results_file}")
    print("FINISHED SCRIPT")
Esempio n. 9
0
def main(args):
    # --- CONFIG
    device = torch.device(f"cuda:{args.cuda}" if torch.cuda.is_available()
                          and args.cuda >= 0 else "cpu")
    # ---------

    # --- TRANSFORMATIONS
    train_transform = transforms.Compose([
        RandomCrop(28, padding=4),
        ToTensor(),
        transforms.Normalize((0.1307, ), (0.3081, ))
    ])
    test_transform = transforms.Compose(
        [ToTensor(), transforms.Normalize((0.1307, ), (0.3081, ))])
    # ---------

    # --- SCENARIO CREATION
    mnist_train = MNIST('./data/mnist',
                        train=True,
                        download=True,
                        transform=train_transform)
    mnist_test = MNIST('./data/mnist',
                       train=False,
                       download=True,
                       transform=test_transform)
    scenario = nc_scenario(mnist_train,
                           mnist_test,
                           5,
                           task_labels=False,
                           seed=1234)
    # ---------

    # MODEL CREATION
    model = SimpleMLP(num_classes=scenario.n_classes)

    interactive_logger = InteractiveLogger()
    wandb_logger = WandBLogger(init_kwargs={
        "project": args.project,
        "name": args.run
    })

    eval_plugin = EvaluationPlugin(accuracy_metrics(minibatch=True,
                                                    epoch=True,
                                                    epoch_running=True,
                                                    experience=True,
                                                    stream=True),
                                   loss_metrics(minibatch=True,
                                                epoch=True,
                                                epoch_running=True,
                                                experience=True,
                                                stream=True),
                                   ExperienceForgetting(),
                                   StreamConfusionMatrix(),
                                   cpu_usage_metrics(minibatch=True,
                                                     epoch=True,
                                                     experience=True,
                                                     stream=True),
                                   timing_metrics(minibatch=True,
                                                  epoch=True,
                                                  experience=True,
                                                  stream=True),
                                   ram_usage_metrics(every=0.5,
                                                     minibatch=True,
                                                     epoch=True,
                                                     experience=True,
                                                     stream=True),
                                   gpu_usage_metrics(args.cuda,
                                                     every=0.5,
                                                     minibatch=True,
                                                     epoch=True,
                                                     experience=True,
                                                     stream=True),
                                   disk_usage_metrics(minibatch=True,
                                                      epoch=True,
                                                      experience=True,
                                                      stream=True),
                                   MAC_metrics(minibatch=True,
                                               epoch=True,
                                               experience=True),
                                   loggers=[interactive_logger, wandb_logger])

    # CREATE THE STRATEGY INSTANCE (NAIVE)
    cl_strategy = Naive(model,
                        SGD(model.parameters(), lr=0.001, momentum=0.9),
                        CrossEntropyLoss(),
                        train_mb_size=100,
                        train_epochs=4,
                        eval_mb_size=100,
                        device=device,
                        evaluator=eval_plugin)

    # TRAINING LOOP
    print('Starting experiment...')
    results = []
    for experience in scenario.train_stream:
        print("Start of experience: ", experience.current_experience)
        print("Current Classes: ", experience.classes_in_this_experience)

        cl_strategy.train(experience)
        print('Training completed')

        print('Computing accuracy on the whole test set')
        results.append(cl_strategy.eval(scenario.test_stream))