from __future__ import absolute_import from __future__ import division from __future__ import print_function from __future__ import unicode_literals from caffe2.python import brew, core, scope, workspace from caffe2.python.modeling.parameter_info import ParameterTags from caffe2.python.model_helper import ModelHelper from caffe2.python.cnn import CNNModelHelper import unittest import numpy as np class BrewTest(unittest.TestCase): def setUp(self): def myhelper(model, val=-1): return val if not brew.has_helper(myhelper): brew.Register(myhelper) self.myhelper = myhelper def myhelper2(model, val=-1): return val if not brew.has_helper(myhelper2): brew.Register(myhelper2) self.myhelper2 = myhelper2 self.model = ModelHelper(name="test_model") def test_dropout(self): p = 0.2 X = np.ones((100, 100)).astype(np.float32) - p workspace.FeedBlob("x", X) model = ModelHelper(name="test_model") brew.dropout(model, "x", "out") workspace.RunNetOnce(model.param_init_net) workspace.RunNetOnce(model.net) out = workspace.FetchBlob("out") self.assertLess(abs(out.mean() - (1 - p)), 0.05) def test_fc(self): m, n, k = (15, 15, 15) X = np.random.rand(m, k).astype(np.float32) - 0.5 workspace.FeedBlob("x", X) model = ModelHelper(name="test_model") brew.fc(model, "x", "out_1", k, n) model.Validate() workspace.RunNetOnce(model.param_init_net) workspace.RunNetOnce(model.net) def test_relu(self): Xpos = np.ones((5, 5)).astype(np.float32) - 0.5 Xneg = np.ones((5, 5)).astype(np.float32) - 1.5 workspace.FeedBlob("xpos", Xpos) workspace.FeedBlob("xneg", Xneg) model = ModelHelper(name="test_model") brew.relu(model, "xpos", "out_xpos") brew.relu(model, "xneg", "out_xneg") model.Validate() workspace.RunNetOnce(model.param_init_net) workspace.RunNetOnce(model.net) pos = workspace.FetchBlob("out_xpos") self.assertAlmostEqual(pos.mean(), 0.5) neg = workspace.FetchBlob("out_xneg") self.assertAlmostEqual(neg.mean(), 0) def test_tanh(self): X = np.ones((5, 5)).astype(np.float32) - 0.5 workspace.FeedBlob("x", X) model = ModelHelper(name="test_model") brew.tanh(model, "x", "out_tanh") model.Validate() workspace.RunNetOnce(model.param_init_net) workspace.RunNetOnce(model.net) out = workspace.FetchBlob("out_tanh") self.assertAlmostEqual(out.mean(), 0.46211711) def test_validate(self): model = ModelHelper(name="test_model") model.params.append("aaa") model.params.append("bbb") self.assertEqual(model._Validate(), []) model.params.append("xxx") model.params.append("bbb") self.assertEqual(model._Validate(), ["bbb"]) def test_arg_scope(self): myhelper = self.myhelper myhelper2 = self.myhelper2 n = 15 with brew.arg_scope([myhelper], val=n): res = brew.myhelper(self.model) self.assertEqual(n, res) with brew.arg_scope([myhelper, myhelper2], val=n): res1 = brew.myhelper(self.model) res2 = brew.myhelper2(self.model) self.assertEqual([n, n], [res1, res2]) def test_arg_scope_single(self): X = np.random.rand(64, 3, 32, 32).astype(np.float32) - 0.5 workspace.FeedBlob("x", X) model = ModelHelper(name="test_model") with brew.arg_scope( brew.conv, stride=2, pad=2, weight_init=('XavierFill', {}), bias_init=('ConstantFill', {}) ): brew.conv( model=model, blob_in="x", blob_out="out", dim_in=3, dim_out=64, kernel=3, ) model.Validate() workspace.RunNetOnce(model.param_init_net) workspace.RunNetOnce(model.net) out = workspace.FetchBlob("out") self.assertEqual(out.shape, (64, 64, 17, 17)) def test_arg_scope_nested(self): myhelper = self.myhelper n = 16 with brew.arg_scope([myhelper], val=-3), \ brew.arg_scope([myhelper], val=-2): with brew.arg_scope([myhelper], val=n): res = brew.myhelper(self.model) self.assertEqual(n, res) res = brew.myhelper(self.model) self.assertEqual(res, -2) res = brew.myhelper(self.model, val=15) self.model.Validate() self.assertEqual(res, 15) def test_double_register(self): myhelper = self.myhelper with self.assertRaises(AttributeError): brew.Register(myhelper) def test_has_helper(self): self.assertTrue(brew.has_helper(brew.conv)) self.assertTrue(brew.has_helper("conv")) def myhelper3(): pass self.assertFalse(brew.has_helper(myhelper3)) def test_model_helper(self): X = np.random.rand(64, 32, 32, 3).astype(np.float32) - 0.5 workspace.FeedBlob("x", X) my_arg_scope = {'order': 'NHWC'} model = ModelHelper(name="test_model", arg_scope=my_arg_scope) with brew.arg_scope( brew.conv, stride=2, pad=2, weight_init=('XavierFill', {}), bias_init=('ConstantFill', {}) ): brew.conv( model=model, blob_in="x", blob_out="out", dim_in=3, dim_out=64, kernel=3, ) model.Validate() workspace.RunNetOnce(model.param_init_net) workspace.RunNetOnce(model.net) out = workspace.FetchBlob("out") self.assertEqual(out.shape, (64, 17, 17, 64)) def test_cnn_model_helper_deprecated(self): X = np.random.rand(64, 32, 32, 3).astype(np.float32) - 0.5 workspace.FeedBlob("x", X) # CNNModelHelper is going to be deprecated soon. This test is only # covering some CNNModelHelper logic model = CNNModelHelper(name="test_model", order='NHWC') self.assertEqual(model.arg_scope['order'], 'NHWC') def test_get_params(self): def param(x): return core.ScopedBlobReference(x) def to_str_list(x): return sorted([str(p) for p in x]) model = ModelHelper(name="test_model") model.AddParameter(param("a")) model.AddParameter(param("b"), tags=ParameterTags.COMPUTED_PARAM) with scope.NameScope("c"): model.AddParameter(param("a")) model.AddParameter(param("d"), tags=ParameterTags.COMPUTED_PARAM) self.assertEqual(to_str_list(model.GetParams()), ['c/a']) self.assertEqual(to_str_list(model.GetComputedParams()), ['c/d']) self.assertEqual(to_str_list(model.GetAllParams()), ['c/a', 'c/d']) # Get AllParams from the global Scope self.assertEqual(to_str_list(model.GetAllParams('')), [ 'a', 'b', 'c/a', 'c/d']) self.assertEqual(to_str_list(model.GetParams()), ['a', 'c/a']) self.assertEqual(to_str_list(model.GetComputedParams()), ['b', 'c/d']) self.assertEqual(to_str_list(model.GetAllParams()), ['a', 'b', 'c/a', 'c/d']) self.assertEqual(to_str_list(model.GetAllParams('')), ['a', 'b', 'c/a', 'c/d']) # Get AllParams from the scope 'c' self.assertEqual(to_str_list(model.GetAllParams('c')), ['c/a', 'c/d']) self.assertEqual(to_str_list(model.GetAllParams('c/')), ['c/a', 'c/d']) @unittest.skipIf(not workspace.has_gpu_support, "No gpu support.") class BrewGPUTest(unittest.TestCase): def test_relu(self): Xpos = np.ones((5, 5)).astype(np.float32) - 0.5 Xneg = np.ones((5, 5)).astype(np.float32) - 1.5 workspace.FeedBlob("xpos", Xpos) workspace.FeedBlob("xneg", Xneg) model = ModelHelper(name="test_model") brew.relu(model, "xpos", "out_xpos", use_cudnn=True) brew.relu(model, "xneg", "out_xneg", use_cudnn=True) model.Validate() workspace.RunNetOnce(model.param_init_net) workspace.RunNetOnce(model.net) pos = workspace.FetchBlob("out_xpos") self.assertAlmostEqual(pos.mean(), 0.5) neg = workspace.FetchBlob("out_xneg") self.assertAlmostEqual(neg.mean(), 0) def test_tanh(self): X = np.ones((5, 5)).astype(np.float32) - 0.5 workspace.FeedBlob("x", X) model = ModelHelper(name="test_model") brew.tanh(model, "x", "out_tanh", use_cudnn=True) model.Validate() workspace.RunNetOnce(model.param_init_net) workspace.RunNetOnce(model.net) out = workspace.FetchBlob("out_tanh") self.assertAlmostEqual(out.mean(), 0.46211711)