pytorch/caffe2/python/operator_test/reduction_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

162 lines
4.3 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 assume, given
import caffe2.python.hypothesis_test_util as hu
import hypothesis.strategies as st
import numpy as np
from caffe2.proto import caffe2_pb2
class TestReductionOps(hu.HypothesisTestCase):
@given(n=st.integers(5, 8), **hu.gcs)
def test_elementwise_sum(self, n, gc, dc):
X = np.random.rand(n).astype(np.float32)
def sum_op(X):
return [np.sum(X)]
op = core.CreateOperator(
"SumElements",
["X"],
["y"]
)
self.assertReferenceChecks(
device_option=gc,
op=op,
inputs=[X],
reference=sum_op,
)
self.assertGradientChecks(
device_option=gc,
op=op,
inputs=[X],
outputs_to_check=0,
outputs_with_grads=[0],
)
@given(n=st.integers(1, 65536),
dtype=st.sampled_from([np.float32, np.float16]),
**hu.gcs)
def test_elementwise_sqrsum(self, n, dtype, gc, dc):
if dtype == np.float16:
# fp16 is only supported with CUDA
assume(gc.device_type == caffe2_pb2.CUDA)
dc = [d for d in dc if d.device_type == caffe2_pb2.CUDA]
X = np.random.rand(n).astype(dtype)
def sumsqr_op(X):
return [np.sum(X * X)]
op = core.CreateOperator(
"SumSqrElements",
["X"],
["y"]
)
threshold = 0.01 if dtype == np.float16 else 0.005
self.assertReferenceChecks(
device_option=gc,
op=op,
inputs=[X],
reference=sumsqr_op,
threshold=threshold,
)
@given(n=st.integers(5, 8), **hu.gcs)
def test_elementwise_avg(self, n, gc, dc):
X = np.random.rand(n).astype(np.float32)
def avg_op(X):
return [np.mean(X)]
op = core.CreateOperator(
"SumElements",
["X"],
["y"],
average=1
)
self.assertReferenceChecks(
device_option=gc,
op=op,
inputs=[X],
reference=avg_op,
)
self.assertGradientChecks(
device_option=gc,
op=op,
inputs=[X],
outputs_to_check=0,
outputs_with_grads=[0],
)
@given(batch_size=st.integers(1, 3),
m=st.integers(1, 3),
n=st.integers(1, 4),
**hu.gcs)
def test_rowwise_max(self, batch_size, m, n, gc, dc):
X = np.random.rand(batch_size, m, n).astype(np.float32)
def rowwise_max(X):
return [np.max(X, axis=2)]
op = core.CreateOperator(
"RowwiseMax",
["x"],
["y"]
)
self.assertReferenceChecks(
device_option=gc,
op=op,
inputs=[X],
reference=rowwise_max,
)
@given(batch_size=st.integers(1, 3),
m=st.integers(1, 3),
n=st.integers(1, 4),
**hu.gcs)
def test_columnwise_max(self, batch_size, m, n, gc, dc):
X = np.random.rand(batch_size, m, n).astype(np.float32)
def columnwise_max(X):
return [np.max(X, axis=1)]
op = core.CreateOperator(
"ColwiseMax",
["x"],
["y"]
)
self.assertReferenceChecks(
device_option=gc,
op=op,
inputs=[X],
reference=columnwise_max,
)