151 lines
4.3 KiB
C++
151 lines
4.3 KiB
C++
/*******************************************************************************
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* Copyright (c) 2015-2018 Skymind, Inc.
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*
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* This program and the accompanying materials are made available under the
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* terms of the Apache License, Version 2.0 which is available at
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* https://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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* SPDX-License-Identifier: Apache-2.0
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******************************************************************************/
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//
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// Created by raver119 on 30.06.18.
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//
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#include "testlayers.h"
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#include <NDArray.h>
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#include <OmpLaunchHelper.h>
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using namespace nd4j;
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using namespace nd4j::graph;
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class OmpLaunchHelperTests : public testing::Test {
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private:
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int ewt = 0;
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public:
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OmpLaunchHelperTests() {
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this->ewt = Environment::getInstance()->elementwiseThreshold();
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Environment::getInstance()->setElementwiseThreshold(1000);
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};
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~OmpLaunchHelperTests() {
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Environment::getInstance()->setElementwiseThreshold(this->ewt);
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}
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};
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TEST_F(OmpLaunchHelperTests, Test_BetterSpan_1) {
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auto span = OmpLaunchHelper::betterSpan(1000, 4);
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ASSERT_EQ(250, span);
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}
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TEST_F(OmpLaunchHelperTests, Test_BetterSpan_2) {
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auto span = OmpLaunchHelper::betterSpan(1001, 4);
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ASSERT_EQ(251, span);
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}
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TEST_F(OmpLaunchHelperTests, Test_BetterSpan_3) {
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auto span = OmpLaunchHelper::betterSpan(1002, 4);
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ASSERT_EQ(251, span);
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}
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TEST_F(OmpLaunchHelperTests, Test_BetterSpan_5) {
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auto span = OmpLaunchHelper::betterSpan(1003, 4);
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ASSERT_EQ(251, span);
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}
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TEST_F(OmpLaunchHelperTests, Test_BetterSpan_6) {
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auto span = OmpLaunchHelper::betterSpan(1004, 4);
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ASSERT_EQ(251, span);
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}
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TEST_F(OmpLaunchHelperTests, Test_BetterThreads_1) {
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auto n = OmpLaunchHelper::betterThreads(4000, 6);
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ASSERT_EQ(4, n);
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}
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TEST_F(OmpLaunchHelperTests, Test_BetterThreads_2) {
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auto n = OmpLaunchHelper::betterThreads(12000, 6);
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ASSERT_EQ(6, n);
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}
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TEST_F(OmpLaunchHelperTests, Test_BetterThreads_3) {
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auto n = OmpLaunchHelper::betterThreads(899, 6);
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ASSERT_EQ(1, n);
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}
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//////////////////////////////////////////////////////////////////////
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TEST_F(OmpLaunchHelperTests, loop_test1) {
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const Nd4jLong N = 20010;
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Nd4jLong desiredNumThreads = 2;
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int x[N] = {0};
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OmpLaunchHelper info(N, desiredNumThreads);
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PRAGMA_OMP_PARALLEL_THREADS(info._numThreads)
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{
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auto threadNum = omp_get_thread_num();
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auto xi = x + info.getThreadOffset(threadNum);
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auto ulen = static_cast<unsigned int>(info.getItersPerThread(threadNum));
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PRAGMA_OMP_SIMD
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for (Nd4jLong i = 0; i < ulen; i++)
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xi[i] = xi[i] + 1;
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}
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#ifdef _OPENMP
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ASSERT_EQ(desiredNumThreads, info._numThreads);
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#else
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ASSERT_EQ(1, info._numThreads);
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#endif
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}
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TEST_F(OmpLaunchHelperTests, test_tad_threads_1) {
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Nd4jLong numTads = 16;
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Nd4jLong tadLength = 16;
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// nd4j_printf("TT: [%i]; ET: [%i];\n", Environment::getInstance()->tadThreshold(), Environment::getInstance()->elementwiseThreshold());
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ASSERT_EQ(1, OmpLaunchHelper::tadThreads(tadLength, numTads));
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}
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TEST_F(OmpLaunchHelperTests, test_tad_threads_2) {
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if (omp_get_max_threads() <= 1)
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return;
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Nd4jLong numTads = 2;
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Nd4jLong tadLength = Environment::getInstance()->elementwiseThreshold();
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ASSERT_EQ(2, OmpLaunchHelper::tadThreads(tadLength, numTads));
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}
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TEST_F(OmpLaunchHelperTests, test_tad_threads_3) {
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Nd4jLong numTads = 2;
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Nd4jLong tadLength = 128;
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ASSERT_EQ(1, OmpLaunchHelper::tadThreads(tadLength, numTads));
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}
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TEST_F(OmpLaunchHelperTests, test_tad_threads_4) {
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Nd4jLong numTads = 4;
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Nd4jLong tadLength = 64;
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ASSERT_EQ(1, OmpLaunchHelper::tadThreads(tadLength, numTads));
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}
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TEST_F(OmpLaunchHelperTests, test_tad_threads_5) {
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auto exp = omp_get_max_threads();
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Nd4jLong numTads = exp;
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Nd4jLong tadLength = Environment::getInstance()->elementwiseThreshold();
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ASSERT_EQ(exp, OmpLaunchHelper::tadThreads(tadLength, numTads));
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} |