Created by: DAVINDAI

`from paddle.v2.plot import Ploter

train_title = "Train cost" test_title = "Test cost" cost_ploter = Ploter(train_title, test_title)

step = 0 def event_handler_plot(event): global step if isinstance(event, paddle.event.EndIteration): if step % 1 == 0: cost_ploter.append(train_title, step, event.cost) cost_ploter.plot() step += 1 if isinstance(event, paddle.event.EndPass):

    result = trainer.test(
        reader=paddle.batch(
            paddle.dataset.cifar.test10(), batch_size=128),
        feeding=feeding)
    cost_ploter.append(test_title, step, result.cost)`

`# End batch and end pass event handler def event_handler(event): if isinstance(event, paddle.event.EndIteration): if event.batch_id % 100 == 0: print "\nPass %d, Batch %d, Cost %f, %s" % ( event.pass_id, event.batch_id, event.cost, event.metrics) else: sys.stdout.write('.') sys.stdout.flush() if isinstance(event, paddle.event.EndPass): # save parameters with open('params_pass_%d.tar' % event.pass_id, 'w') as f: trainer.save_parameter_to_tar(f)

    result = trainer.test(
        reader=paddle.batch(
            paddle.dataset.cifar.test10(), batch_size=128),
        feeding=feeding)
    print "\nTest with Pass %d, %s" % (event.pass_id, result.metrics)`

##这段代码的运行结果显示不出来。