hugopeixoto/yuzu
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

core_timing: Make use of MicroSleep for x64 CPUs

Browse Source 
For CPUs that support tpause, this should result in significant CPU power savings over thread yield in this spin wait.
This commit is contained in:
Morph 2023-03-21 21:30:02 -04:00
parent 27c33ab73f
commit e1bce50d8b
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/core/core_timing.cpp
View File

@ -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
}
}