mirror of
https://github.com/saymrwulf/pytorch.git
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28ea5ac069
Summary: Currently these operators are implemented in a complex meta-programming fashion, I removed the definitions and put modified CPU/CUDA implementions into reduction_front_back_ops.{cc,cu}. This will help future extension of these ops to support lengths input.
Reviewed By: asaadaldien
Differential Revision: D6506568
fbshipit-source-id: 7323baf7c8e0eca37912f3ae28c02e37ad2e1103
150 lines
5 KiB
Python
150 lines
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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from caffe2.python import core
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from hypothesis import given
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import caffe2.python.hypothesis_test_util as hu
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import hypothesis.strategies as st
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import numpy as np
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class TestReduceFrontReductions(hu.HypothesisTestCase):
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def reduce_op_test(self, op_name, op_ref, in_data, num_reduce_dims, device):
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op = core.CreateOperator(
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op_name,
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["inputs"],
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["outputs"],
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num_reduce_dim=num_reduce_dims
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)
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self.assertReferenceChecks(
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device_option=device,
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op=op,
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inputs=[in_data],
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reference=op_ref
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)
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self.assertGradientChecks(
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device, op, [in_data], 0, [0], stepsize=1e-2, threshold=1e-2)
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@given(num_reduce_dim=st.integers(0, 4), **hu.gcs)
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def test_reduce_front_sum(self, num_reduce_dim, gc, dc):
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X = np.random.rand(7, 4, 3, 5).astype(np.float32)
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def ref_sum(X):
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return [np.sum(X, axis=(tuple(range(num_reduce_dim))))]
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self.reduce_op_test("ReduceFrontSum", ref_sum, X, num_reduce_dim, gc)
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@given(num_reduce_dim=st.integers(0, 4), **hu.gcs)
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def test_reduce_front_mean(self, num_reduce_dim, gc, dc):
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X = np.random.rand(6, 7, 8, 2).astype(np.float32)
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def ref_mean(X):
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return [np.mean(X, axis=(tuple(range(num_reduce_dim))))]
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self.reduce_op_test("ReduceFrontMean", ref_mean, X, num_reduce_dim, gc)
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@given(num_reduce_dim=st.integers(0, 4), **hu.gcs)
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def test_reduce_front_max(self, num_reduce_dim, gc, dc):
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X = np.random.rand(6, 7, 8, 2).astype(np.float32)
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def ref_frontmax(X):
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return [np.max(X, axis=(tuple(range(num_reduce_dim))))]
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op = core.CreateOperator(
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"ReduceFrontMax",
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["inputs"],
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["outputs"],
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num_reduce_dim=num_reduce_dim
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)
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self.assertReferenceChecks(
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device_option=gc,
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op=op,
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inputs=[X],
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reference=ref_frontmax,
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)
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# Skip gradient check because it is too unreliable with max.
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# Just check CPU and CUDA have same results
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Y = np.array(ref_frontmax(X)[0]).astype(np.float32)
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dY = np.array(np.random.rand(*Y.shape)).astype(np.float32)
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grad_op = core.CreateOperator(
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"ReduceFrontMaxGradient",
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["dY", "X", "Y"],
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["dX"],
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num_reduce_dim=num_reduce_dim
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)
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self.assertDeviceChecks(dc, grad_op, [dY, X, Y], [0])
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@given(num_reduce_dim=st.integers(0, 4), **hu.gcs)
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def test_reduce_back_max(self, num_reduce_dim, gc, dc):
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X = np.random.rand(6, 7, 8, 2).astype(np.float32)
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def ref_backmax(X):
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return [np.max(X, axis=(0, 1, 2, 3)[4 - num_reduce_dim:])]
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op = core.CreateOperator(
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"ReduceBackMax",
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["inputs"],
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["outputs"],
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num_reduce_dim=num_reduce_dim
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)
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self.assertReferenceChecks(
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device_option=gc,
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op=op,
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inputs=[X],
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reference=ref_backmax
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)
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# Skip gradient check because it is too unreliable with max
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# Just check CPU and CUDA have same results
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Y = np.array(ref_backmax(X)[0]).astype(np.float32)
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dY = np.array(np.random.rand(*Y.shape)).astype(np.float32)
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grad_op = core.CreateOperator(
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"ReduceBackMaxGradient",
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["dY", "X", "Y"],
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["dX"],
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num_reduce_dim=num_reduce_dim
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)
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self.assertDeviceChecks(dc, grad_op, [dY, X, Y], [0])
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@given(num_reduce_dim=st.integers(0, 4), **hu.gcs)
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def test_reduce_back_sum(self, num_reduce_dim, dc, gc):
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X = np.random.rand(6, 7, 8, 2).astype(np.float32)
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def ref_sum(X):
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return [np.sum(X, axis=(0, 1, 2, 3)[4 - num_reduce_dim:])]
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self.reduce_op_test("ReduceBackSum", ref_sum, X, num_reduce_dim, gc)
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@given(num_reduce_dim=st.integers(0, 4), **hu.gcs)
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def test_reduce_back_mean(self, num_reduce_dim, dc, gc):
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num_reduce_dim = 2
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X = np.random.rand(6, 7, 8, 2).astype(np.float32)
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def ref_sum(X):
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return [np.mean(X, axis=(0, 1, 2, 3)[4 - num_reduce_dim:])]
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self.reduce_op_test("ReduceBackMean", ref_sum, X, num_reduce_dim, gc)
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