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sleepier amd threads

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lizzie 2026-05-26 05:56:44 +00:00
parent e5d3b21089
commit 3417bed45d
1 changed files with 2 additions and 2 deletions
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4
src/common/thread.cpp
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@ -190,8 +190,8 @@ bool Event::WaitFor(const std::chrono::nanoseconds time) {
// MWAITX accepts a 32-bit input timer which determines the total number of cycles to wait for
// NOT THE TOTAL ABSOLUTE TSC VALUE, it's just a delta
// BIT[1] = use a timer
// Hint = 0: Use C1 state when sleepy (means faster wakeup but less power saving)
_mm_mwaitx(1 << 1, 0u, cycles);
// Hint = 0: Use C2 state when sleepy (means slower wakeup but better savings)
_mm_mwaitx(1 << 1, 1u, cycles);
if (!is_set.load())
return false;
} else