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Code Issues Releases Activity

Native Clock: remove inaccuracy mask.

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This commit is contained in:
Fernando Sahmkow 2022-06-28 01:47:00 +02:00
parent 86ccce3721
commit f5c1d7b8c8
2 changed files with 1 additions and 6 deletions
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2
src/common/x64/native_clock.cpp
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@ -90,7 +90,7 @@ u64 NativeClock::GetRTSC() {
} while (!time_point.compare_exchange_weak(
current_time_point, new_time_point, std::memory_order_release, std::memory_order_acquire));
/// The clock cannot be more precise than the guest timer, remove the lower bits
return new_time_point.accumulated_ticks & inaccuracy_mask;
return new_time_point.accumulated_ticks;
}
void NativeClock::Pause(bool is_paused) {

5
src/common/x64/native_clock.h
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@ -34,11 +34,6 @@ private:
u64 accumulated_ticks{};
};
/// value used to reduce the native clocks accuracy as some apss rely on
/// undefined behavior where the level of accuracy in the clock shouldn't
/// be higher.
static constexpr u64 inaccuracy_mask = ~(UINT64_C(0x400) - 1);
std::atomic<TimePoint> time_point;
// factors
u64 clock_rtsc_factor{};