Function std::sync::atomic::spin_loop_hint   1.24.0
                   
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               [src]
pub fn spin_loop_hint()
Save power or switch hyperthreads in a busy-wait spin-loop.
This function is deliberately more primitive than
std::thread::yield_now and does not directly yield to the
system's scheduler.  In some cases it might be useful to use a
combination of both functions.  Careful benchmarking is advised.
On some platforms this function may not do anything at all.