mirror of
https://github.com/saymrwulf/pytorch.git
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8286ce1e3a
Summary: Closes https://github.com/caffe2/caffe2/pull/1260 Differential Revision: D5906739 Pulled By: Yangqing fbshipit-source-id: e482ba9ba60b5337d9165f28f7ec68d4518a0902
129 lines
4.5 KiB
Python
129 lines
4.5 KiB
Python
# Copyright (c) 2016-present, Facebook, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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##############################################################################
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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from __future__ import unicode_literals
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import numpy as np
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from hypothesis import given
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import hypothesis.strategies as st
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import unittest
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from caffe2.python import core, workspace
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import caffe2.python.hypothesis_test_util as hu
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class TestTile(hu.HypothesisTestCase):
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@given(M=st.integers(min_value=1, max_value=10),
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K=st.integers(min_value=1, max_value=10),
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N=st.integers(min_value=1, max_value=10),
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tiles=st.integers(min_value=1, max_value=3),
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axis=st.integers(min_value=0, max_value=2),
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**hu.gcs)
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def test_tile(self, M, K, N, tiles, axis, gc, dc):
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X = np.random.rand(M, K, N).astype(np.float32)
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op = core.CreateOperator(
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'Tile', ['X'], 'out',
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tiles=tiles,
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axis=axis,
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)
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def tile_ref(X, tiles, axis):
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dims = np.asarray([1, 1, 1], dtype=np.int)
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dims[axis] = tiles
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tiled_data = np.tile(X, dims)
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return (tiled_data,)
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# Check against numpy reference
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self.assertReferenceChecks(gc, op, [X, tiles, axis],
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tile_ref)
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# Check over multiple devices
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self.assertDeviceChecks(dc, op, [X], [0])
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# Gradient check wrt X
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self.assertGradientChecks(gc, op, [X], 0, [0])
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@unittest.skipIf(not workspace.has_gpu_support, "No gpu support")
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@given(M=st.integers(min_value=1, max_value=200),
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N=st.integers(min_value=1, max_value=200),
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tiles=st.integers(min_value=50, max_value=100),
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**hu.gcs)
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def test_tile_grad(self, M, N, tiles, gc, dc):
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X = np.random.rand(M, N).astype(np.float32)
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axis = 1
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op = core.CreateOperator(
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'Tile', ['X'], 'out',
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tiles=tiles,
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axis=axis,
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)
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def tile_ref(X, tiles, axis):
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dims = np.asarray([1, 1], dtype=np.int)
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dims[axis] = tiles
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tiled_data = np.tile(X, dims)
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return (tiled_data,)
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# Check against numpy reference
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self.assertReferenceChecks(gc, op, [X, tiles, axis],
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tile_ref)
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# Check over multiple devices
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self.assertDeviceChecks(dc, op, [X], [0])
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# Gradient check wrt X
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grad_op = core.CreateOperator(
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'TileGradient', ['dOut'], 'dX',
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tiles=tiles,
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axis=axis,
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)
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dX = np.random.rand(M, N * tiles).astype(np.float32)
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self.assertDeviceChecks(dc, grad_op, [dX], [0])
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@given(M=st.integers(min_value=1, max_value=10),
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K=st.integers(min_value=1, max_value=10),
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N=st.integers(min_value=1, max_value=10),
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tiles=st.integers(min_value=1, max_value=3),
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axis=st.integers(min_value=0, max_value=2),
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**hu.gcs)
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def test_tilewinput(self, M, K, N, tiles, axis, gc, dc):
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X = np.random.rand(M, K, N).astype(np.float32)
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tiles_arg = np.array([tiles], dtype=np.int32)
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axis_arg = np.array([axis], dtype=np.int32)
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op = core.CreateOperator(
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'Tile', ['X', 'tiles', 'axis'], 'out',
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)
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def tile_ref(X, tiles, axis):
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dims = np.asarray([1, 1, 1], dtype=np.int)
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dims[axis] = tiles
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tiled_data = np.tile(X, dims)
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return (tiled_data,)
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# Check against numpy reference
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self.assertReferenceChecks(gc, op, [X, tiles_arg, axis_arg],
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tile_ref)
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# Check over multiple devices
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self.assertDeviceChecks(dc, op, [X, tiles_arg, axis_arg], [0])
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# Gradient check wrt X
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self.assertGradientChecks(gc, op, [X, tiles_arg, axis_arg], 0, [0])
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if __name__ == "__main__":
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unittest.main()
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