70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
/******************************************************************************
|
|
* Copyright (c) 2024 Advanced Micro Devices, Inc. All rights reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to
|
|
* deal in the Software without restriction, including without limitation the
|
|
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
|
* sell copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
* IN THE SOFTWARE.
|
|
*****************************************************************************/
|
|
|
|
#ifndef LIBRARY_SRC_WF_COAL_POLICY_HPP_
|
|
#define LIBRARY_SRC_WF_COAL_POLICY_HPP_
|
|
|
|
#include <hip/hip_runtime.h>
|
|
|
|
#include "config.h" // NOLINT(build/include_subdir)
|
|
#include "util.hpp"
|
|
|
|
namespace rocshmem {
|
|
|
|
class WfCoalOn {
|
|
public:
|
|
/**
|
|
* Coalesce contiguous messages from a single wavefront.
|
|
*
|
|
* With regards to calling threads, the command must already be the
|
|
* same for active threads otherwise they must have diverged at the
|
|
* function call level.
|
|
*/
|
|
__device__ bool coalesce(int pe, const void *source, const void *dest,
|
|
size_t *size);
|
|
};
|
|
|
|
// clang-format off
|
|
NOWARN(-Wunused-parameter,
|
|
class WfCoalOff {
|
|
public:
|
|
__device__ bool coalesce(int pe, const void *source, const void *dest,
|
|
size_t *size) {
|
|
return true;
|
|
}
|
|
};
|
|
)
|
|
// clang-format on
|
|
|
|
/**
|
|
* Compile time configuration options will enable or disable this feature.
|
|
*/
|
|
#ifdef USE_WF_COAL
|
|
typedef WfCoalOn WavefrontCoalescer;
|
|
#else
|
|
typedef WfCoalOff WavefrontCoalescer;
|
|
#endif
|
|
|
|
} // namespace rocshmem
|
|
|
|
#endif // LIBRARY_SRC_WF_COAL_POLICY_HPP_
|