How does _mm_mwait works?
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Published on 2010-04-02T02:23:58Z
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Atomic
Hello
How does _mm_mwait
from pmmintrin.h
works? (I mean not the asm for it, but action and how this action is taken in NUMA systems. The store
monitoring is easy to implement only on bus-based SMP systems with snooping of bus.)
What processors does implement it?
Is it used in some spinlocks?
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