pytorch/caffe2/python/operator_test/reduce_ops_test.py
Yangqing Jia 8286ce1e3a Re-license to Apache
Summary: Closes https://github.com/caffe2/caffe2/pull/1260

Differential Revision: D5906739

Pulled By: Yangqing

fbshipit-source-id: e482ba9ba60b5337d9165f28f7ec68d4518a0902
2017-09-28 16:22:00 -07:00

150 lines
5 KiB
Python

# Copyright (c) 2016-present, Facebook, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
##############################################################################
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
from caffe2.python import core
from hypothesis import given
import caffe2.python.hypothesis_test_util as hu
import hypothesis.strategies as st
import numpy as np
class TestReduceFrontReductions(hu.HypothesisTestCase):
def reduce_op_test(self, op_name, op_ref, in_data, num_reduce_dims, device):
op = core.CreateOperator(
op_name,
["inputs"],
["outputs"],
num_reduce_dim=num_reduce_dims
)
self.assertReferenceChecks(
device_option=device,
op=op,
inputs=[in_data],
reference=op_ref
)
self.assertGradientChecks(
device, op, [in_data], 0, [0], stepsize=1e-2, threshold=1e-2)
@given(num_reduce_dim=st.integers(1, 3), **hu.gcs)
def test_reduce_front_sum(self, num_reduce_dim, gc, dc):
X = np.random.rand(7, 4, 3, 5).astype(np.float32)
def ref_sum(X):
return [np.sum(X, axis=(tuple(range(num_reduce_dim))))]
self.reduce_op_test("ReduceFrontSum", ref_sum, X, num_reduce_dim, gc)
@given(num_reduce_dim=st.integers(1, 3), **hu.gcs)
def test_reduce_front_mean(self, num_reduce_dim, gc, dc):
X = np.random.rand(6, 7, 8, 2).astype(np.float32)
def ref_mean(X):
return [np.mean(X, axis=(tuple(range(num_reduce_dim))))]
self.reduce_op_test("ReduceFrontMean", ref_mean, X, num_reduce_dim, gc)
@given(num_reduce_dim=st.integers(1, 3), **hu.gcs)
def test_reduce_front_max(self, num_reduce_dim, gc, dc):
X = np.random.rand(6, 7, 8, 2).astype(np.float32)
def ref_frontmax(X):
return [np.max(X, axis=(tuple(range(num_reduce_dim))))]
op = core.CreateOperator(
"ReduceFrontMax",
["inputs"],
["outputs"],
num_reduce_dim=num_reduce_dim
)
self.assertReferenceChecks(
device_option=gc,
op=op,
inputs=[X],
reference=ref_frontmax,
)
# Skip gradient check because it is too unreliable with max.
# Just check CPU and CUDA have same results
Y = ref_frontmax(X)[0].astype(np.float32)
dY = np.random.rand(*Y.shape).astype(np.float32)
grad_op = core.CreateOperator(
"ReduceFrontMaxGradient",
["dY", "X", "Y"],
["dX"],
num_reduce_dim=num_reduce_dim
)
self.assertDeviceChecks(dc, grad_op, [dY, X, Y], [0])
@given(num_reduce_dim=st.integers(1, 3), **hu.gcs)
def test_reduce_back_max(self, num_reduce_dim, gc, dc):
X = np.random.rand(6, 7, 8, 2).astype(np.float32)
def ref_backmax(X):
return [np.max(X, axis=(0, 1, 2, 3)[4 - num_reduce_dim:])]
op = core.CreateOperator(
"ReduceBackMax",
["inputs"],
["outputs"],
num_reduce_dim=num_reduce_dim
)
self.assertReferenceChecks(
device_option=gc,
op=op,
inputs=[X],
reference=ref_backmax
)
# Skip gradient check because it is too unreliable with max
# Just check CPU and CUDA have same results
Y = ref_backmax(X)[0].astype(np.float32)
dY = np.random.rand(*Y.shape).astype(np.float32)
grad_op = core.CreateOperator(
"ReduceBackMaxGradient",
["dY", "X", "Y"],
["dX"],
num_reduce_dim=num_reduce_dim
)
self.assertDeviceChecks(dc, grad_op, [dY, X, Y], [0])
@given(num_reduce_dim=st.integers(1, 3), **hu.gcs)
def test_reduce_back_sum(self, num_reduce_dim, dc, gc):
X = np.random.rand(6, 7, 8, 2).astype(np.float32)
def ref_sum(X):
return [np.sum(X, axis=(0, 1, 2, 3)[4 - num_reduce_dim:])]
self.reduce_op_test("ReduceBackSum", ref_sum, X, num_reduce_dim, gc)
@given(num_reduce_dim=st.integers(1, 3), **hu.gcs)
def test_reduce_back_mean(self, num_reduce_dim, dc, gc):
num_reduce_dim = 2
X = np.random.rand(6, 7, 8, 2).astype(np.float32)
def ref_sum(X):
return [np.mean(X, axis=(0, 1, 2, 3)[4 - num_reduce_dim:])]
self.reduce_op_test("ReduceBackMean", ref_sum, X, num_reduce_dim, gc)