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Merge pull request #2305 from CookiePLMonster/adl-cpusets 

Fixup Win10 CPU Sets to check the EfficiencyClass
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Luke Usher 2021-12-30 21:42:14 +00:00 committed by GitHub
parent 283331412a f41f73f6c3
commit a25e455289
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 9 additions and 5 deletions
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14
src/common/win32/Threads.cpp
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@ -151,12 +151,16 @@ public:
cpuSets.erase(cpuSets.begin());
}
// Otherwise: Multiple physical cores
// Assign the first logical and physical core to Xbox, leave the rest of that
// physical core unassigned (if hyperthreading is active), the remaining
// physical cores to other threads
// Assign the first highest performance logical and physical core to Xbox,
// leave the rest of that physical core unassigned (if hyperthreading is active),
// give the remaining physical cores to other threads
else {
const BYTE physicalCore = cpuSets[0]->CoreIndex;
m_xboxCPUSet = cpuSets[0]->Id;
auto highPerfCore = std::max_element(cpuSets.begin(), cpuSets.end(), [](const auto* left, const auto* right)
{
return left->EfficiencyClass < right->EfficiencyClass;
});
const BYTE physicalCore = (*highPerfCore)->CoreIndex;
m_xboxCPUSet = (*highPerfCore)->Id;
for (auto it = cpuSets.begin(); it != cpuSets.end(); ) {
if ((*it)->CoreIndex == physicalCore) {
it = cpuSets.erase(it);