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67 lines
2.7 KiB
67 lines
2.7 KiB
/* 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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#pragma once
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#include <curand.h>
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#include <dlfcn.h>
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#include <mutex> // NOLINT
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#include "paddle/fluid/platform/dynload/dynamic_loader.h"
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namespace paddle {
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namespace platform {
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namespace dynload {
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extern std::once_flag curand_dso_flag;
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extern void *curand_dso_handle;
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#ifdef PADDLE_USE_DSO
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#define DECLARE_DYNAMIC_LOAD_CURAND_WRAP(__name) \
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struct DynLoad__##__name { \
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template <typename... Args> \
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curandStatus_t operator()(Args... args) { \
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using curandFunc = decltype(&::__name); \
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std::call_once(curand_dso_flag, []() { \
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curand_dso_handle = paddle::platform::dynload::GetCurandDsoHandle(); \
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}); \
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void *p_##__name = dlsym(curand_dso_handle, #__name); \
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return reinterpret_cast<curandFunc>(p_##__name)(args...); \
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} \
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}; \
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extern DynLoad__##__name __name
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#else
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#define DECLARE_DYNAMIC_LOAD_CURAND_WRAP(__name) \
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struct DynLoad__##__name { \
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template <typename... Args> \
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curandStatus_t operator()(Args... args) { \
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return __name(args...); \
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} \
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}; \
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extern DynLoad__##__name __name
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#endif
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#define CURAND_RAND_ROUTINE_EACH(__macro) \
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__macro(curandCreateGenerator); \
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__macro(curandSetStream); \
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__macro(curandSetPseudoRandomGeneratorSeed); \
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__macro(curandGenerateUniform); \
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__macro(curandGenerateUniformDouble); \
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__macro(curandGenerateNormal); \
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__macro(curandDestroyGenerator);
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CURAND_RAND_ROUTINE_EACH(DECLARE_DYNAMIC_LOAD_CURAND_WRAP);
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} // namespace dynload
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} // namespace platform
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} // namespace paddle
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