34 lines
743 B
C++
34 lines
743 B
C++
/*!
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* Copyright 2015-2019 by Contributors
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* \file common.cc
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* \brief Enable all kinds of global variables in common.
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*/
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#include <dmlc/thread_local.h>
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#include <xgboost/logging.h>
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#include "common.h"
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#include "./random.h"
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namespace xgboost {
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namespace common {
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/*! \brief thread local entry for random. */
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struct RandomThreadLocalEntry {
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/*! \brief the random engine instance. */
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GlobalRandomEngine engine;
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};
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using RandomThreadLocalStore = dmlc::ThreadLocalStore<RandomThreadLocalEntry>;
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GlobalRandomEngine& GlobalRandom() {
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return RandomThreadLocalStore::Get()->engine;
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}
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#if !defined(XGBOOST_USE_CUDA)
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int AllVisibleGPUs() {
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return 0;
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}
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#endif // !defined(XGBOOST_USE_CUDA)
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} // namespace common
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} // namespace xgboost
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