def event_handler(event): if isinstance(event, paddle.event.EndIteration): if event.batch_id % 100 == 0: print "Pass %d, Batch %d, Cost %f" % (event.pass_id, event.batch_id, event.cost) if isinstance(event, paddle.event.EndPass): if event.pass_id % 10 == 0: with open('params_pass_%d.tar' % event.pass_id, 'w') as f: trainer.save_parameter_to_tar(f) result = trainer.test(reader=paddle.batch(uci_housing.test(), batch_size=2), feeding=feeding) print "Test %d, Cost %f" % (event.pass_id, result.cost)
def event_handler(event): if isinstance(event, paddle.event.EndIteration): if event.batch_id % 100 == 0: print "Pass %d, Batch %d, Cost %f" % (event.pass_id, event.batch_id, event.cost) if isinstance(event, paddle.event.EndPass): result = trainer.test(reader=paddle.batch(uci_housing.test(), batch_size=2), feeding=feeding) print "Test %d, Cost %f" % (event.pass_id, result.cost)
def event_handler(event): if isinstance(event, paddle.event.EndIteration): if event.batch_id % 100 == 0: print "Pass %d, Batch %d, Cost %f" % ( event.pass_id, event.batch_id, event.cost) if isinstance(event, paddle.event.EndPass): if (event.pass_id + 1) % 10 == 0: result = trainer.test( reader=paddle.batch( uci_housing.test(), batch_size=2), feeding={'x': 0, 'y': 1}) print "Test %d, %.2f" % (event.pass_id, result.cost)
def event_handler(event): if isinstance(event, paddle.event.EndIteration): if event.batch_id % 100 == 0: print "Pass %d, Batch %d, Cost %f" % ( event.pass_id, event.batch_id, event.cost) if isinstance(event, paddle.event.EndPass): result = trainer.test(reader=paddle.batch(uci_housing.test(), batch_size=2), feeding=feeding) print "Test %d, Cost %f" % (event.pass_id, result.cost) if trainer_id == "0": with gzip.open("fit-a-line_pass_%05d.tar.gz" % event.pass_id, "w") as f: parameters.to_tar(f)
def event_handler(event): if isinstance(event, paddle.event.EndIteration): # FIXME: for cloud data reader, pass number is managed by master # should print the server side pass number if event.batch_id % 100 == 0: print "Pass %d, Batch %d, Cost %f" % ( event.pass_id, event.batch_id, event.cost) if isinstance(event, paddle.event.EndPass): if (event.pass_id + 1) % 10 == 0: result = trainer.test( reader=paddle.batch( uci_housing.test(), batch_size=2), feeding={'x': 0, 'y': 1}) print "Test %d, %.2f" % (event.pass_id, result.cost)
def event_handler(event): if isinstance(event, paddle.event.EndIteration): # FIXME: for cloud data reader, pass number is managed by master # should print the server side pass number if event.batch_id % 100 == 0: print "Pass %d, Batch %d, Cost %f" % ( event.pass_id, event.batch_id, event.cost) if isinstance(event, paddle.event.EndPass): if (event.pass_id + 1) % 10 == 0: result = trainer.test(reader=paddle.batch(uci_housing.test(), batch_size=2), feeding={ 'x': 0, 'y': 1 }) print "Test %d, %.2f" % (event.pass_id, result.cost)
def event_handler(event): if isinstance(event, paddle.event.EndIteration): if event.batch_id % 100 == 0: print "Pass %d, Batch %d, Cost %f" % ( event.pass_id, event.batch_id, event.cost) if isinstance(event, paddle.event.EndPass): #保存参数 #if event.pass_id % 10 == 0: with open('params_pass_%d.tar' % event.pass_id, 'w') as f: trainer.save_parameter_to_tar(f) result = trainer.test( reader=paddle.batch(uci_housing.test(), batch_size=2), feeding=feeding) print "Test %d, Cost %f" % (event.pass_id, result.cost) #print result.metrics #保存训练结果损失情况 lists.append((event.pass_id, result.cost, #result.metrics['classification_error_evaluator'])) result.metrics))
def event_handler_plot(event): global step if isinstance(event, paddle.event.EndIteration): if step % 10 == 0: # every 10 batches, record a train cost plot_cost.append(train_title, step, event.cost) if step % 100 == 0: #every 100 batches, record a test cost result = trainer.test(reader=paddle.batch(uci_housing.test(), batch_size=2), feeding=feeding) plot_cost.append(test_title, step, result.cost) if step % 100 == 0: plot_cost.plot() step += 1 if isinstance(event, paddle.event.EndPass): if event.pass_id % 10 == 0: with open('params_pass_%d.tar' % event.pass_id, 'w') as f: parameters.to_tar(f)
y_predict = paddle.layer.fc(input=x, size=1, act=paddle.activation.Linear()) y = paddle.layer.data(name='yy', type=paddle.data_type.dense_vector(1)) cost = paddle.layer.square_error_cost(input=y_predict, label=y) parameters = paddle.parameters.create(cost) optimizer = paddle.optimizer.Momentum(momentum=0) trainer = paddle.trainer.SGD(cost=cost, parameters=parameters, update_equation=optimizer) feeding = {'xx': 0, 'yy': 1} trainer.train(reader=paddle.batch(paddle.reader.shuffle(uci_housing.train(), buf_size=500), batch_size=2), feeding=feeding, num_passes=30) test_data_creator = uci_housing.test() test_data = [] test_label = [] for item in test_data_creator(): test_data.append((item[0], )) test_label.append(item[1]) if len(test_data) == 5: break probs = paddle.infer(output_layer=y_predict, parameters=parameters, input=test_data) for i in xrange(len(probs)): print "label=" + str(test_label[i][0]) + ", predict=" + str(probs[i][0])