51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
/*!
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* \file engine.cc
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* \brief this file governs which implementation of engine we are actually using
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* provides an singleton of engine interface
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*
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* \author Tianqi Chen, Ignacio Cano, Tianyi Zhou
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*/
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#define _CRT_SECURE_NO_WARNINGS
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#define _CRT_SECURE_NO_DEPRECATE
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#define NOMINMAX
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#include "./engine.h"
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#include "./allreduce_base.h"
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#include "./allreduce_robust.h"
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namespace rabit {
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namespace engine {
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// singleton sync manager
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AllreduceRobust manager;
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/*! \brief intiialize the synchronization module */
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void Init(int argc, char *argv[]) {
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for (int i = 1; i < argc; ++i) {
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char name[256], val[256];
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if (sscanf(argv[i], "%[^=]=%s", name, val) == 2) {
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manager.SetParam(name, val);
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}
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}
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manager.Init();
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}
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/*! \brief finalize syncrhonization module */
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void Finalize(void) {
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manager.Shutdown();
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}
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/*! \brief singleton method to get engine */
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IEngine *GetEngine(void) {
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return &manager;
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}
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// perform in-place allreduce, on sendrecvbuf
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void Allreduce_(void *sendrecvbuf,
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size_t type_nbytes,
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size_t count,
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IEngine::ReduceFunction red,
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mpi::DataType dtype,
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mpi::OpType op) {
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GetEngine()->Allreduce(sendrecvbuf, type_nbytes, count, red);
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}
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} // namespace engine
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} // namespace rabit
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