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/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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#include "paddle/fluid/platform/cpu_helper.h"
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#include "paddle/fluid/platform/enforce.h"
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#ifdef PADDLE_WITH_MKLML
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#include <omp.h>
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#include "paddle/fluid/platform/dynload/mklml.h"
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#endif
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#ifdef PADDLE_USE_OPENBLAS
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#include <cblas.h>
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#endif
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namespace paddle {
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namespace platform {
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void SetNumThreads(int num_threads) {
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#ifdef PADDLE_USE_OPENBLAS
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int real_num_threads = num_threads > 1 ? num_threads : 1;
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openblas_set_num_threads(real_num_threads);
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#elif defined(PADDLE_WITH_MKLML)
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int real_num_threads = num_threads > 1 ? num_threads : 1;
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platform::dynload::MKL_Set_Num_Threads(real_num_threads);
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omp_set_num_threads(num_threads);
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#else
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PADDLE_ENFORCE(false, "To be implemented.");
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#endif
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}
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} // namespace platform
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} // namespace paddle
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