Mercurial > pylearn
view algorithms/tests/test_stacker.py @ 530:844bad76459c
replaced the use of removed function compile.eval_outputs with theano.function.
author | Frederic Bastien <bastienf@iro.umontreal.ca> |
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date | Mon, 17 Nov 2008 14:18:28 -0500 |
parents | 8fcd0f3d9a17 |
children |
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import models import theano import numpy import time def test_train(mode = theano.Mode('c|py', 'fast_run')): reg = models.Stacker([(models.BinRegressor, 'output'), (models.BinRegressor, 'output')], regularize = False) #print reg.global_update[1].pretty(mode = mode.excluding('inplace')) model = reg.make([100, 200, 1], lr = 0.01, mode = mode, seed = 10) R = numpy.random.RandomState(100) t1 = time.time() for i in xrange(1001): data = R.random_integers(0, 1, size = (10, 100)) targets = data[:, 6].reshape((10, 1)) cost = model.update(data, targets) if i % 100 == 0: print i, '\t', cost, '\t', 1*(targets.T == model.classify(data).T) t2 = time.time() return t2 - t1 if __name__ == '__main__': print 'optimized:' t1 = test_train(theano.Mode('c|py', 'fast_run')) print 'time:',t1 print print 'not optimized:' t2 = test_train(theano.Mode('c|py', 'fast_compile')) print 'time:',t2