def main(_): params=cf.get_params() params['mfile']="-11" model_path=params["wd"]+"/cp/"+params['mfile'] data=du.load_pose(params) data_train=(data[0],data[1]) data_test=(data[2],data[3]) with tf.Graph().as_default(), tf.Session() as session: initializer = tf.random_uniform_initializer(-params["init_scale"],params["init_scale"]) # m = mp.get_model(is_training=True,params=params) mtest = mp.get_model(is_training=False,params=params) saver = tf.train.Saver() # tf.initialize_all_variables().run() saver.restore(sess=session,save_path=model_path) test_err = run_epoch(session, mtest,tf.no_op(),params, data_test,is_training=False) print("Test Err: %.5f" % test_err)
def train_rnn(params): rng = RandomStreams(seed=1234) (X_train,Y_train,S_Train_list,F_list_train,G_list_train,X_test,Y_test,S_Test_list,F_list_test,G_list_test)=du.load_pose(params) params["len_train"]=Y_train.shape[0]*Y_train.shape[1] params["len_test"]=Y_test.shape[0]*Y_test.shape[1] u.start_log(params) index_train_list,S_Train_list=du.get_batch_indexes(params,S_Train_list) index_test_list,S_Test_list=du.get_batch_indexes(params,S_Test_list) batch_size=params['batch_size'] n_train_batches = len(index_train_list) n_train_batches /= batch_size n_test_batches = len(index_test_list) n_test_batches /= batch_size nb_epochs=params['n_epochs'] print("Batch size: %i, train batch size: %i, test batch size: %i"%(batch_size,n_train_batches,n_test_batches)) u.log_write("Model build started",params) if params['run_mode']==1: model= model_provider.get_model_pretrained(params,rng) u.log_write("Pretrained loaded: %s"%(params['mfile']),params) else: model= model_provider.get_model(params,rng) u.log_write("Number of parameters: %s"%(model.n_param),params) train_errors = np.ndarray(nb_epochs) u.log_write("Training started",params) val_counter=0 best_loss=1000 for epoch_counter in range(nb_epochs): batch_loss = 0. H=C=np.zeros(shape=(batch_size,params['n_hidden']), dtype=dtype) # initial hidden state sid=0 is_train=1 x=[] y=[] for minibatch_index in range(n_train_batches): if(minibatch_index==0): (sid,H,C,x,y)=du.prepare_cnn_lstm_batch(index_train_list, minibatch_index, batch_size, S_Train_list, sid, H, C, F_list_train, params, Y_train, X_train) pool = ThreadPool(processes=2) async_t = pool.apply_async(model.train, (x, y,is_train,H,C)) async_b = pool.apply_async(du.prepare_cnn_lstm_batch, (index_train_list, minibatch_index, batch_size, S_Train_list, sid, H, C, F_list_train, params, Y_train, X_train)) pool.close() pool.join() (loss,H,C) = async_t.get() # get the return value from your function. x=[] y=[] (sid,H,C,x,y) = async_b.get() # get the return value from your function. if(minibatch_index==n_train_batches-1): loss,H,C= model.train(x, y,is_train,H,C) batch_loss += loss if params['shufle_data']==1: X_train,Y_train=du.shuffle_in_unison_inplace(X_train,Y_train) train_errors[epoch_counter] = batch_loss batch_loss/=n_train_batches s='TRAIN--> epoch %i | error %f'%(epoch_counter, batch_loss) u.log_write(s,params) if(epoch_counter%1==0): print("Model testing") batch_loss3d = [] H=C=np.zeros(shape=(batch_size,params['n_hidden']), dtype=dtype) # resetting initial state, since seq change sid=0 for minibatch_index in range(n_test_batches): if(minibatch_index==0): (sid,H,C,x,y)=du.prepare_cnn_lstm_batch(index_test_list, minibatch_index, batch_size, S_Test_list, sid, H, C, F_list_test, params, Y_test, X_test) pool = ThreadPool(processes=2) async_t = pool.apply_async(model.predictions, (x,is_train,H,C)) async_b = pool.apply_async(du.prepare_cnn_lstm_batch, (index_test_list, minibatch_index, batch_size, S_Test_list, sid, H, C, F_list_test, params, Y_test, X_test)) pool.close() pool.join() (pred,H,C) = async_t.get() # get the return value from your function. loss3d =u.get_loss(params,y,pred) batch_loss3d.append(loss3d) x=[] y=[] (sid,H,C,x,y) = async_b.get() # get the return value from your function. if(minibatch_index==n_train_batches-1): pred,H,C= model.predictions(x,is_train,H,C) loss3d =u.get_loss(params,y,pred) batch_loss3d.append(loss3d) batch_loss3d=np.nanmean(batch_loss3d) if(batch_loss3d<best_loss): best_loss=batch_loss3d ext=str(epoch_counter)+"_"+str(batch_loss3d)+"_best.p" u.write_params(model.params,params,ext) else: ext=str(val_counter%2)+".p" u.write_params(model.params,params,ext) val_counter+=1#0.08 s ='VAL--> epoch %i | error %f, %f'%(val_counter,batch_loss3d,n_test_batches) u.log_write(s,params)
def train_rnn(params): rng = RandomStreams(seed=1234) (X_train, Y_train, S_Train_list, F_list_train, G_list_train, X_test, Y_test, S_Test_list, F_list_test, G_list_test) = du.load_pose(params) params["len_train"] = Y_train.shape[0] * Y_train.shape[1] params["len_test"] = Y_test.shape[0] * Y_test.shape[1] u.start_log(params) index_train_list, S_Train_list = du.get_batch_indexes( S_Train_list) #This will prepare bacth indexes index_test_list, S_Test_list = du.get_batch_indexes(S_Test_list) batch_size = params['batch_size'] n_train_batches = len(index_train_list) n_train_batches /= batch_size n_test_batches = len(index_test_list) n_test_batches /= batch_size nb_epochs = params['n_epochs'] print("Batch size: %i, train batch size: %i, test batch size: %i" % (batch_size, n_train_batches, n_test_batches)) u.log_write("Model build started", params) if params['run_mode'] == 1: model = model_provider.get_model_pretrained(params, rng) u.log_write("Pretrained loaded: %s" % (params['mfile']), params) else: model = model_provider.get_model(params, rng) u.log_write("Number of parameters: %s" % (model.n_param), params) train_errors = np.ndarray(nb_epochs) u.log_write("Training started", params) val_counter = 0 best_loss = 1000 for epoch_counter in range(nb_epochs): batch_loss = 0. H = C = np.zeros(shape=(batch_size, params['n_hidden']), dtype=dtype) # initial hidden state sid = 0 is_train = 1 x = [] y = [] for minibatch_index in range(n_train_batches): if (minibatch_index == 0): (sid, H, C, x, y) = du.prepare_cnn_lstm_batch( index_train_list, minibatch_index, batch_size, S_Train_list, sid, H, C, F_list_train, params, Y_train, X_train) pool = ThreadPool(processes=2) async_t = pool.apply_async(model.train, (x, y, is_train, H, C)) async_b = pool.apply_async( du.prepare_cnn_lstm_batch, (index_train_list, minibatch_index, batch_size, S_Train_list, sid, H, C, F_list_train, params, Y_train, X_train)) pool.close() pool.join() (loss, H, C) = async_t.get() # get the return value from your function. x = [] y = [] (sid, H, C, x, y) = async_b.get() # get the return value from your function. if (minibatch_index == n_train_batches - 1): loss, H, C = model.train(x, y, is_train, H, C) batch_loss += loss if params['shufle_data'] == 1: X_train, Y_train = du.shuffle_in_unison_inplace(X_train, Y_train) train_errors[epoch_counter] = batch_loss batch_loss /= n_train_batches s = 'TRAIN--> epoch %i | error %f' % (epoch_counter, batch_loss) u.log_write(s, params) if (epoch_counter % 1 == 0): print("Model testing") batch_loss3d = [] H = C = np.zeros( shape=(batch_size, params['n_hidden']), dtype=dtype) # resetting initial state, since seq change sid = 0 for minibatch_index in range(n_test_batches): if (minibatch_index == 0): (sid, H, C, x, y) = du.prepare_cnn_lstm_batch( index_test_list, minibatch_index, batch_size, S_Test_list, sid, H, C, F_list_test, params, Y_test, X_test) pool = ThreadPool(processes=2) async_t = pool.apply_async(model.predictions, (x, is_train, H, C)) async_b = pool.apply_async( du.prepare_cnn_lstm_batch, (index_test_list, minibatch_index, batch_size, S_Test_list, sid, H, C, F_list_test, params, Y_test, X_test)) pool.close() pool.join() (pred, H, C) = async_t.get() # get the return value from your function. loss3d = u.get_loss(params, y, pred) batch_loss3d.append(loss3d) (sid, H, C, x, y) = async_b.get() # get the return value from your function. if (minibatch_index == n_train_batches - 1): pred, H, C = model.predictions(x, is_train, H, C) loss3d = u.get_loss(params, y, pred) batch_loss3d.append(loss3d) batch_loss3d = np.nanmean(batch_loss3d) if (batch_loss3d < best_loss): best_loss = batch_loss3d ext = str(epoch_counter) + "_" + str(batch_loss3d) + "_best.p" u.write_params(model.params, params, ext) else: ext = str(val_counter % 2) + ".p" u.write_params(model.params, params, ext) val_counter += 1 s = 'VAL--> epoch %i | error %f, %f' % (val_counter, batch_loss3d, n_test_batches) u.log_write(s, params)
def train_rnn(params): rng = RandomStreams(seed=1234) (X_train, Y_train, S_Train_list, F_list_train, G_list_train, X_test, Y_test, S_Test_list, F_list_test, G_list_test) = du.load_pose(params) F_list_train, G_list_train = du.shuffle_in_unison_inplace( F_list_train, G_list_train) params["len_train"] = len(F_list_train) params["len_test"] = len(F_list_test) u.start_log(params) batch_size = params['batch_size'] n_train_batches = len(F_list_train) n_train_batches /= batch_size n_test_batches = len(F_list_test) n_test_batches /= batch_size nb_epochs = params['n_epochs'] print("Batch size: %i, train batch size: %i, test batch size: %i" % (batch_size, n_train_batches, n_test_batches)) u.log_write("Model build started", params) if params['run_mode'] == 1: model = model_provider.get_model_pretrained(params, rng) u.log_write("Pretrained loaded: %s" % (params['mfile']), params) else: model = model_provider.get_model(params, rng) u.log_write("Number of parameters: %s" % (model.n_param), params) train_errors = np.ndarray(nb_epochs) u.log_write("Training started", params) val_counter = 0 best_loss = 1000 for epoch_counter in range(nb_epochs): batch_loss = 0. # H=C=np.zeros(shape=(batch_size,params['n_hidden']), dtype=dtype) # initial hidden state sid = 0 for minibatch_index in range(n_train_batches): x_lst = F_list_train[minibatch_index * batch_size:(minibatch_index + 1) * batch_size] #60*20*1024 y_lst = G_list_train[minibatch_index * batch_size:(minibatch_index + 1) * batch_size] #60*20*1024 x, y = du.load_batch(params, x_lst, y_lst) # x=X_train[id_lst] #60*20*1024 # y=Y_train[id_lst]#60*20*54 is_train = 1 if (params["model"] == "blstmnp"): x_b = np.asarray(map(np.flipud, x)) loss = model.train(x, x_b, y) else: loss = model.train(x, y, is_train) batch_loss += loss if params['shufle_data'] == 1: F_list_train, G_list_train = du.shuffle_in_unison_inplace( F_list_train, G_list_train) train_errors[epoch_counter] = batch_loss batch_loss /= n_train_batches s = 'TRAIN--> epoch %i | error %f' % (epoch_counter, batch_loss) u.log_write(s, params) if (epoch_counter % 1 == 0): print("Model testing") batch_loss3d = [] H = C = np.zeros( shape=(batch_size, params['n_hidden']), dtype=dtype) # resetting initial state, since seq change sid = 0 for minibatch_index in range(n_test_batches): x_lst = F_list_test[minibatch_index * batch_size:(minibatch_index + 1) * batch_size] #60*20*1024 y_lst = G_list_test[minibatch_index * batch_size:(minibatch_index + 1) * batch_size] #60*20*1024 x, y = du.load_batch(params, x_lst, y_lst) # tmp_sid=S_Test_list[(minibatch_index + 1) * batch_size-1] # if(sid==0): # sid=tmp_sid # if(tmp_sid!=sid): # sid=tmp_sid # H=C=np.zeros(shape=(batch_size,params['n_hidden']), dtype=dtype) # resetting initial state, since seq change # x=X_test[id_lst] #60*20*1024 # y=Y_test[id_lst]#60*20*54 is_train = 0 if (params["model"] == "blstmnp"): x_b = np.asarray(map(np.flipud, x)) pred = model.predictions(x, x_b) else: pred = model.predictions(x, is_train) loss3d = u.get_loss(params, y, pred) batch_loss3d.append(loss3d) batch_loss3d = np.nanmean(batch_loss3d) if (batch_loss3d < best_loss): best_loss = batch_loss3d ext = str(epoch_counter) + "_" + str(batch_loss3d) + "_best.p" u.write_params(model.params, params, ext) else: ext = str(val_counter % 2) + ".p" u.write_params(model.params, params, ext) val_counter += 1 #0.08 s = 'VAL--> epoch %i | error %f, %f' % (val_counter, batch_loss3d, n_test_batches) u.log_write(s, params)
def train_rnn(params): data = [] for sindex in range(0, params['seq_length'], 5): (X_train, Y_train, X_test, Y_test) = du.load_pose(params, sindex=sindex) data.append((X_train, Y_train, X_test, Y_test)) (X_train, Y_train, X_test, Y_test) = data[0] params["len_train"] = X_train.shape[0] * X_train.shape[1] params["len_test"] = X_test.shape[0] * X_test.shape[1] u.start_log(params) batch_size = params['batch_size'] n_train_batches = len(X_train) n_train_batches /= batch_size n_test_batches = len(X_test) n_test_batches /= batch_size nb_epochs = params['n_epochs'] print("Batch size: %i, train batch size: %i, test batch size: %i" % (batch_size, n_train_batches, n_test_batches)) u.log_write("Model build started", params) if params['resume'] == 1: model = model_provider.get_model_pretrained(params) else: model = model_provider.get_model(params) u.log_write("Number of parameters: %s" % (model.n_param), params) train_errors = np.ndarray(nb_epochs) u.log_write("Training started", params) val_counter = 0 best_loss = 10000 for epoch_counter in range(nb_epochs): (X_train, Y_train, X_test, Y_test) = data[np.mod(epoch_counter, len(data))] if params['shufle_data'] == 1: X_train, Y_train = du.shuffle_in_unison_inplace(X_train, Y_train) n_train_batches = len(X_train) n_train_batches /= batch_size n_test_batches = len(X_test) n_test_batches /= batch_size batch_loss = 0. for minibatch_index in range(n_train_batches): x = X_train[minibatch_index * batch_size:(minibatch_index + 1) * batch_size] #60*20*1024 y = Y_train[minibatch_index * batch_size:(minibatch_index + 1) * batch_size] #60*20*54 if (params["model"] == "blstmnp"): x_b = np.asarray(map(np.flipud, x)) loss = model.train(x, x_b, y) else: loss = model.train(x, y) batch_loss += loss train_errors[epoch_counter] = batch_loss batch_loss /= n_train_batches s = 'TRAIN--> epoch %i | error %f' % (epoch_counter, batch_loss) u.log_write(s, params) if (epoch_counter % 10 == 0): print("Model testing") batch_loss = 0. batch_loss3d = 0. for minibatch_index in range(n_test_batches): x = X_test[minibatch_index * batch_size:(minibatch_index + 1) * batch_size] y = Y_test[minibatch_index * batch_size:(minibatch_index + 1) * batch_size] if (params["model"] == "blstmnp"): x_b = np.asarray(map(np.flipud, x)) pred = model.predictions(x, x_b) else: pred = model.predictions(x) loss = np.nanmean(np.abs(pred - y)**2) loss3d = u.get_loss(y, pred) batch_loss += loss batch_loss3d += loss3d batch_loss /= n_test_batches batch_loss3d /= n_test_batches if (batch_loss3d < best_loss): best_loss = batch_loss3d ext = str(batch_loss3d) + "_best.p" u.write_params(model.params, params, ext) else: ext = str(val_counter % 2) + ".p" u.write_params(model.params, params, ext) val_counter += 1 #0.08 s = 'VAL--> epoch %i | error %f, %f %f' % ( val_counter, batch_loss, batch_loss3d, n_test_batches) u.log_write(s, params)
def train_rnn(params): rng = RandomStreams(seed=1234) (X_train,Y_train,S_Train_list,F_list_train,G_list_train,X_test,Y_test,S_Test_list,F_list_test,G_list_test)=du.load_pose(params) params["len_train"]=len(F_list_train) params["len_test"]=len(F_list_test) u.start_log(params) batch_size=params['batch_size'] n_train_batches = len(F_list_train) n_train_batches /= batch_size n_test_batches = len(F_list_test) n_test_batches /= batch_size nb_epochs=params['n_epochs'] print("Batch size: %i, train batch size: %i, test batch size: %i"%(batch_size,n_train_batches,n_test_batches)) u.log_write("Model build started",params) if params['run_mode']==1: model= model_provider.get_model_pretrained(params,rng) u.log_write("Pretrained loaded: %s"%(params['mfile']),params) else: model= model_provider.get_model(params,rng) u.log_write("Number of parameters: %s"%(model.n_param),params) train_errors = np.ndarray(nb_epochs) u.log_write("Training started",params) val_counter=0 best_loss=1000 for epoch_counter in range(nb_epochs): batch_loss = 0. # H=C=np.zeros(shape=(batch_size,params['n_hidden']), dtype=dtype) # initial hidden state sid=0 for minibatch_index in range(n_train_batches): x_lst=F_list_train[minibatch_index * batch_size: (minibatch_index + 1) * batch_size] #60*20*1024 y_lst=G_list_train[minibatch_index * batch_size: (minibatch_index + 1) * batch_size] #60*20*1024 x,y=du.load_batch(params,x_lst,y_lst) # x=X_train[id_lst] #60*20*1024 # y=Y_train[id_lst]#60*20*54 is_train=1 if(params["model"]=="blstmnp"): x_b=np.asarray(map(np.flipud,x)) loss = model.train(x,x_b,y) else: loss= model.train(x, y,is_train) batch_loss += loss if params['shufle_data']==1: X_train,Y_train=du.shuffle_in_unison_inplace(X_train,Y_train) train_errors[epoch_counter] = batch_loss batch_loss/=n_train_batches s='TRAIN--> epoch %i | error %f'%(epoch_counter, batch_loss) u.log_write(s,params) if(epoch_counter%3==0): print("Model testing") batch_loss3d = [] H=C=np.zeros(shape=(batch_size,params['n_hidden']), dtype=dtype) # resetting initial state, since seq change sid=0 for minibatch_index in range(n_test_batches): x_lst=F_list_test[minibatch_index * batch_size: (minibatch_index + 1) * batch_size] #60*20*1024 y_lst=G_list_test[minibatch_index * batch_size: (minibatch_index + 1) * batch_size] #60*20*1024 x,y=du.load_batch(params,x_lst,y_lst) # tmp_sid=S_Test_list[(minibatch_index + 1) * batch_size-1] # if(sid==0): # sid=tmp_sid # if(tmp_sid!=sid): # sid=tmp_sid # H=C=np.zeros(shape=(batch_size,params['n_hidden']), dtype=dtype) # resetting initial state, since seq change # x=X_test[id_lst] #60*20*1024 # y=Y_test[id_lst]#60*20*54 is_train=0 if(params["model"]=="blstmnp"): x_b=np.asarray(map(np.flipud,x)) pred = model.predictions(x,x_b) else: pred= model.predictions(x,is_train) loss3d =u.get_loss(params,y,pred) batch_loss3d.append(loss3d) batch_loss3d=np.nanmean(batch_loss3d) if(batch_loss3d<best_loss): best_loss=batch_loss3d ext=str(epoch_counter)+"_"+str(batch_loss3d)+"_best.p" u.write_params(model.params,params,ext) else: ext=str(val_counter%2)+".p" u.write_params(model.params,params,ext) val_counter+=1#0.08 s ='VAL--> epoch %i | error %f, %f'%(val_counter,batch_loss3d,n_test_batches) u.log_write(s,params)
def train_rnn(params): rng = RandomStreams(seed=1234) (X_train, Y_train, S_Train_list, F_list_train, G_list_train, X_test, Y_test, S_Test_list, F_list_test, G_list_test) = du.load_pose(params) params["len_train"] = len(X_train) params["len_test"] = len(X_test) u.start_log(params) batch_size = params['batch_size'] n_train_batches = params["len_train"] n_train_batches /= batch_size n_test_batches = params["len_test"] n_test_batches /= batch_size nb_epochs = params['n_epochs'] print("Batch size: %i, train batch size: %i, test batch size: %i" % (batch_size, n_train_batches, n_test_batches)) u.log_write("Model build started", params) if params['run_mode'] == 1: model = model_provider.get_model_pretrained(params, rng) u.log_write("Pretrained loaded: %s" % (params['mfile']), params) else: model = model_provider.get_model(params, rng) u.log_write("Number of parameters: %s" % (model.n_param), params) train_errors = np.ndarray(nb_epochs) u.log_write("Training started", params) val_counter = 0 best_loss = 1000 for epoch_counter in range(nb_epochs): batch_loss = 0. sid = 0 is_train = 1 for minibatch_index in range(n_train_batches): x = X_train[minibatch_index * batch_size:(minibatch_index + 1) * batch_size] #60*20*1024 y = Y_train[minibatch_index * batch_size:(minibatch_index + 1) * batch_size] #60*20*1024 if (params["model"] == "blstmnp"): x_b = np.asarray(map(np.flipud, x)) loss = model.train(x, x_b, y) else: loss = model.train(x, y, is_train) batch_loss += loss if params['shufle_data'] == 1: X_train, Y_train = du.shuffle_in_unison_inplace(X_train, Y_train) train_errors[epoch_counter] = batch_loss batch_loss /= n_train_batches s = 'TRAIN--> epoch %i | error %f' % (epoch_counter, batch_loss) u.log_write(s, params) if (epoch_counter % 3 == 0): print("Model testing") batch_loss3d = [] is_train = 0 for minibatch_index in range(n_test_batches): x = X_test[minibatch_index * batch_size:(minibatch_index + 1) * batch_size] #60*20*1024 y = Y_test[minibatch_index * batch_size:(minibatch_index + 1) * batch_size] #60*20*1024 pred = model.predictions(x, is_train) loss3d = u.get_loss(params, y, pred) batch_loss3d.append(loss3d) batch_loss3d = np.nanmean(batch_loss3d) if (batch_loss3d < best_loss): best_loss = batch_loss3d ext = str(epoch_counter) + "_" + str(batch_loss3d) + "_best.p" u.write_params(model.params, params, ext) else: ext = str(val_counter % 2) + ".p" u.write_params(model.params, params, ext) val_counter += 1 #0.08 s = 'VAL--> epoch %i | error %f, %f' % (val_counter, batch_loss3d, n_test_batches) u.log_write(s, params)
def train_rnn(params): rng = RandomStreams(seed=1234) (X_train,Y_train,S_Train_list,F_list_train,G_list_train,X_test,Y_test,S_Test_list,F_list_test,G_list_test)=du.load_pose(params) F_list_train,Y_train=du.shuffle_in_unison_inplace(F_list_train,Y_train) params["len_train"]=len(F_list_train) params["len_test"]=len(F_list_test) u.start_log(params) batch_size=params['batch_size'] n_train_batches = len(F_list_train) n_train_batches /= batch_size n_test_batches = len(F_list_test) n_test_batches /= batch_size nb_epochs=params['n_epochs'] print("Batch size: %i, train batch size: %i, test batch size: %i"%(batch_size,n_train_batches,n_test_batches)) u.log_write("Model build started",params) if params['run_mode']==1: model= model_provider.get_model_pretrained(params,rng) u.log_write("Pretrained loaded: %s"%(params['mfile']),params) else: model= model_provider.get_model(params,rng) u.log_write("Number of parameters: %s"%(model.n_param),params) train_errors = np.ndarray(nb_epochs) u.log_write("Training started",params) val_counter=0 best_loss=1000 for epoch_counter in range(nb_epochs): batch_loss = 0. is_train=1 for minibatch_index in range(n_train_batches): if(minibatch_index==0): x,y=du.prepare_cnn_batch(minibatch_index, batch_size, F_list_train, Y_train) pool = ThreadPool(processes=2) async_t = pool.apply_async(model.train, (x, y,is_train)) async_b = pool.apply_async(du.prepare_cnn_batch, (minibatch_index, batch_size, F_list_train, Y_train)) pool.close() pool.join() loss = async_t.get() # get the return value from your function. x=[] y=[] (x,y) = async_b.get() # get the return value from your function. if(minibatch_index==n_train_batches-1): loss= model.train(x, y,is_train) batch_loss += loss if params['shufle_data']==1: F_list_train,Y_train=du.shuffle_in_unison_inplace(F_list_train,Y_train) train_errors[epoch_counter] = batch_loss batch_loss/=n_train_batches s='TRAIN--> epoch %i | error %f'%(epoch_counter, batch_loss) u.log_write(s,params) if(epoch_counter%1==0): print("Model testing") batch_loss3d = [] is_train=0 x=[] y=[] for minibatch_index in range(n_test_batches): if(minibatch_index==0): x,y=du.prepare_cnn_batch(minibatch_index, batch_size, F_list_test, Y_test) pool = ThreadPool(processes=2) async_t = pool.apply_async(model.predictions, (x,is_train)) async_b = pool.apply_async(du.prepare_cnn_batch, (minibatch_index, batch_size, F_list_test, Y_test)) pool.close() pool.join() pred = async_t.get() # get the return value from your function. loss3d =np.mean(np.linalg.norm((np.asarray(pred) - y))) x=[] y=[] batch_loss3d.append(loss3d) (x,y) = async_b.get() # get the return value from your function. if(minibatch_index==n_train_batches-1): pred= model.predictions(x,is_train) loss3d =np.mean(np.linalg.norm((np.asarray(pred) - y))) batch_loss3d.append(loss3d) batch_loss3d=np.nanmean(batch_loss3d) if(batch_loss3d<best_loss): best_loss=batch_loss3d ext=str(epoch_counter)+"_"+str(batch_loss3d)+"_best.p" u.write_params(model.params,params,ext) else: ext=str(val_counter%2)+".p" u.write_params(model.params,params,ext) val_counter+=1#0.08 s ='VAL--> epoch %i | error %f, %f'%(val_counter,batch_loss3d,n_test_batches) u.log_write(s,params)
def train_rnn(params): rng = RandomStreams(seed=1234) (X_train,Y_train,S_Train_list,F_list_train,G_list_train,X_test,Y_test,S_Test_list,F_list_test,G_list_test)=du.load_pose(params) params["len_train"]=Y_train.shape[0]*Y_train.shape[1] params["len_test"]=Y_test.shape[0]*Y_test.shape[1] u.start_log(params) index_train_list,S_Train_list=du.get_seq_indexes(params,S_Train_list) index_test_list,S_Test_list=du.get_seq_indexes(params,S_Test_list) batch_size=params['batch_size'] n_train_batches = len(index_train_list) n_train_batches /= batch_size n_test_batches = len(index_test_list) n_test_batches /= batch_size nb_epochs=params['n_epochs'] print("Batch size: %i, train batch size: %i, test batch size: %i"%(batch_size,n_train_batches,n_test_batches)) u.log_write("Model build started",params) if params['run_mode']==1: model= model_provider.get_model_pretrained(params,rng) u.log_write("Pretrained loaded: %s"%(params['mfile']),params) else: model= model_provider.get_model(params,rng) u.log_write("Number of parameters: %s"%(model.n_param),params) train_errors = np.ndarray(nb_epochs) u.log_write("Training started",params) val_counter=0 best_loss=1000 for epoch_counter in range(nb_epochs): batch_loss = 0. LStateList_t=[np.zeros(shape=(batch_size,params['n_hidden']), dtype=dtype) for i in range(params['nlayer']*2)] # initial hidden state LStateList_pre=[np.zeros(shape=(batch_size,params['n_hidden']), dtype=dtype) for i in range(params['nlayer']*2)] # initial hidden state state_reset_counter_lst=[0 for i in range(batch_size)] is_train=1 for minibatch_index in range(n_train_batches): state_reset_counter_lst=[s+1 for s in state_reset_counter_lst] (LStateList_b,x,y,state_reset_counter_lst)=du.prepare_lstm_batch(index_train_list, minibatch_index, batch_size, S_Train_list,LStateList_t,LStateList_pre, F_list_train, params, Y_train, X_train,state_reset_counter_lst) LStateList_pre=LStateList_b args=(x, y,is_train)+tuple(LStateList_b) result= model.train(*args) loss=result[0] LStateList_t=result[1:len(result)] batch_loss += loss if params['shufle_data']==1: X_train,Y_train=du.shuffle_in_unison_inplace(X_train,Y_train) train_errors[epoch_counter] = batch_loss batch_loss/=n_train_batches s='TRAIN--> epoch %i | error %f'%(epoch_counter, batch_loss) u.log_write(s,params) if(epoch_counter%1==0): is_train=0 print("Model testing") state_reset_counter=0 batch_loss3d = [] LStateList_t=[np.zeros(shape=(batch_size,params['n_hidden']), dtype=dtype) for i in range(params['nlayer']*2)] # initial hidden state LStateList_pre=[np.zeros(shape=(batch_size,params['n_hidden']), dtype=dtype) for i in range(params['nlayer']*2)] # initial hidden sta state_reset_counter_lst=[0 for i in range(batch_size)] for minibatch_index in range(n_test_batches): state_reset_counter_lst=[s+1 for s in state_reset_counter_lst] (LStateList_b,x,y,state_reset_counter_lst)=du.prepare_lstm_batch(index_test_list, minibatch_index, batch_size, S_Test_list, LStateList_t,LStateList_pre, F_list_test, params, Y_test, X_test,state_reset_counter_lst) LStateList_pre=LStateList_b args=(x,is_train)+tuple(LStateList_b) result = model.predictions(*args) pred=result[0] LStateList_t=result[1:len(result)] loss3d =u.get_loss(params,y,pred) batch_loss3d.append(loss3d) batch_loss3d=np.nanmean(batch_loss3d) if(batch_loss3d<best_loss): best_loss=batch_loss3d ext=str(epoch_counter)+"_"+str(batch_loss3d)+"_best.p" u.write_params(model.params,params,ext) else: ext=str(val_counter%2)+".p" u.write_params(model.params,params,ext) val_counter+=1#0.08 s ='VAL--> epoch %i | error %f, %f'%(val_counter,batch_loss3d,n_test_batches) u.log_write(s,params)
def train_rnn(params): data = [] for sindex in range(0, params["seq_length"], 5): (X_train, Y_train, X_test, Y_test) = du.load_pose(params, sindex=sindex) data.append((X_train, Y_train, X_test, Y_test)) (X_train, Y_train, X_test, Y_test) = data[0] params["len_train"] = X_train.shape[0] * X_train.shape[1] params["len_test"] = X_test.shape[0] * X_test.shape[1] u.start_log(params) batch_size = params["batch_size"] n_train_batches = len(X_train) n_train_batches /= batch_size n_test_batches = len(X_test) n_test_batches /= batch_size nb_epochs = params["n_epochs"] print("Batch size: %i, train batch size: %i, test batch size: %i" % (batch_size, n_train_batches, n_test_batches)) u.log_write("Model build started", params) if params["resume"] == 1: model = model_provider.get_model_pretrained(params) else: model = model_provider.get_model(params) u.log_write("Number of parameters: %s" % (model.n_param), params) train_errors = np.ndarray(nb_epochs) u.log_write("Training started", params) val_counter = 0 best_loss = 10000 for epoch_counter in range(nb_epochs): (X_train, Y_train, X_test, Y_test) = data[np.mod(epoch_counter, len(data))] if params["shufle_data"] == 1: X_train, Y_train = du.shuffle_in_unison_inplace(X_train, Y_train) n_train_batches = len(X_train) n_train_batches /= batch_size n_test_batches = len(X_test) n_test_batches /= batch_size batch_loss = 0.0 for minibatch_index in range(n_train_batches): x = X_train[minibatch_index * batch_size : (minibatch_index + 1) * batch_size] # 60*20*1024 y = Y_train[minibatch_index * batch_size : (minibatch_index + 1) * batch_size] # 60*20*54 if params["model"] == "blstmnp": x_b = np.asarray(map(np.flipud, x)) loss = model.train(x, x_b, y) else: loss = model.train(x, y) batch_loss += loss train_errors[epoch_counter] = batch_loss batch_loss /= n_train_batches s = "TRAIN--> epoch %i | error %f" % (epoch_counter, batch_loss) u.log_write(s, params) if epoch_counter % 10 == 0: print("Model testing") batch_loss = 0.0 batch_loss3d = 0.0 for minibatch_index in range(n_test_batches): x = X_test[minibatch_index * batch_size : (minibatch_index + 1) * batch_size] y = Y_test[minibatch_index * batch_size : (minibatch_index + 1) * batch_size] if params["model"] == "blstmnp": x_b = np.asarray(map(np.flipud, x)) pred = model.predictions(x, x_b) else: pred = model.predictions(x) loss = np.nanmean(np.abs(pred - y) ** 2) loss3d = u.get_loss(y, pred) batch_loss += loss batch_loss3d += loss3d batch_loss /= n_test_batches batch_loss3d /= n_test_batches if batch_loss3d < best_loss: best_loss = batch_loss3d ext = str(batch_loss3d) + "_best.p" u.write_params(model.params, params, ext) else: ext = str(val_counter % 2) + ".p" u.write_params(model.params, params, ext) val_counter += 1 # 0.08 s = "VAL--> epoch %i | error %f, %f %f" % (val_counter, batch_loss, batch_loss3d, n_test_batches) u.log_write(s, params)