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| author | Morph <39850852+Morph1984@users.noreply.github.com> | 2023-03-21 21:30:02 -0400 |
|---|---|---|
| committer | Morph <39850852+Morph1984@users.noreply.github.com> | 2023-03-27 17:45:22 -0400 |
| commit | e1bce50d8ba139cf71b4225b4a416d84c65f3e0e (patch) | |
| tree | dd123895c15e09d8b2e5110b74f6acc2449f530e /src/core/core_timing.cpp | |
| parent | 27c33ab73fd03d659654c49967a081214daf6ac2 (diff) | |
core_timing: Make use of MicroSleep for x64 CPUs
For CPUs that support tpause, this should result in significant CPU power savings over thread yield in this spin wait.
Diffstat (limited to 'src/core/core_timing.cpp')
| -rw-r--r-- | src/core/core_timing.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/core/core_timing.cpp b/src/core/core_timing.cpp index cd4df45228..4f2692b05c 100644 --- a/src/core/core_timing.cpp +++ b/src/core/core_timing.cpp @@ -10,6 +10,10 @@ #include "common/windows/timer_resolution.h" #endif +#ifdef ARCHITECTURE_x86_64 +#include "common/x64/cpu_wait.h" +#endif + #include "common/microprofile.h" #include "core/core_timing.h" #include "core/core_timing_util.h" @@ -269,7 +273,11 @@ void CoreTiming::ThreadLoop() { if (wait_time >= timer_resolution_ns) { Common::Windows::SleepForOneTick(); } else { +#ifdef ARCHITECTURE_x86_64 + Common::X64::MicroSleep(); +#else std::this_thread::yield(); +#endif } } |