Messages in this thread | | | Date | Fri, 02 Nov 2007 20:56:46 -0400 | From | Chuck Ebbert <> | Subject | Re: [patch 1/4] x86: FIFO ticket spinlocks |
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On 11/02/2007 07:01 PM, Nick Piggin wrote: > > In the contended multi-threaded tight loop, the xchg lock is slower than inc > lock but still beats the fair xadd lock, but that's only because it is > just as unfair if not more so on this hardware (runtime difference of up to > about 10%) >
I meant xchg for unlock, not lock.
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