Function core::arch::x86_64::_mm_pause

1.27.0 · source · []
pub unsafe fn _mm_pause()
Available on x86-64 and (x86 or x86-64) only.
Expand description

Provides 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.

Intel’s documentation

This documentation is an old archive. Please see https://rust.docs.kernel.org instead.