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https://github.com/rdkit/rdkit.git
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0147cd8201
* revert duplicate chunk in release notes * replace deprecated ifdefs This one gets rid of USE_BUILTIN_POPCNT and RDK_THREADSAFE_SS use RDK_OPTIMIZE_POPCNT or RDK_BUILD_THREADSAFE_SSS instead * get rid of BUILD_COORDGEN_SUPPORT from ROMol.i * fix a stupid typo * update release notes
45 lines
917 B
C++
45 lines
917 B
C++
//
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// Copyright (C) 2015-2018 Greg Landrum
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//
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// @@ All Rights Reserved @@
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// This file is part of the RDKit.
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// The contents are covered by the terms of the BSD license
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// which is included in the file license.txt, found at the root
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// of the RDKit source tree.
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//
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#include <RDGeneral/export.h>
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#ifndef RDTHREADS_H_2015
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#define RDTHREADS_H_2015
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#include <RDGeneral/Invariant.h>
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#ifdef RDK_BUILD_THREADSAFE_SSS
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#include <thread>
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namespace RDKit {
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inline unsigned int getNumThreadsToUse(int target) {
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if (target >= 1) {
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return static_cast<unsigned int>(target);
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}
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unsigned int res = std::thread::hardware_concurrency();
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if (res > rdcast<unsigned int>(-target)) {
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return res + target;
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} else {
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return 1;
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}
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}
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} // namespace RDKit
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#else
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namespace RDKit {
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inline unsigned int getNumThreadsToUse(int target) {
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RDUNUSED_PARAM(target);
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return 1;
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}
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} // namespace RDKit
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#endif
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#endif
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