Function core::arch::x86_64::_mm_pause [] [src]

pub unsafe fn _mm_pause()
🔬 This is a nightly-only experimental API. (stdsimd #48556)
This is supported on x86-64 and target feature sse2 only.

Provide a hint to the processor that the code sequence is a spin-wait loop.

This can help improve the performance and power consumption of spin-wait loops.