Messages in this thread | | | Date | Mon, 3 Feb 2014 12:40:54 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH v3 1/2] qspinlock: Introducing a 4-byte queue spinlock implementation |
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On Fri, Jan 31, 2014 at 02:24:33PM -0500, Waiman Long wrote: > > Light contention is the only case where the qspinlock may not perform as > good as the ticket spinlock. I know this is the most common case. However, I > would argue that the slowdown, if any, will not be really noticeable. This > is what I will try to find out.
Please also explain why things are slower/faster. Thomas tried to get you to do so a few months back, but you kept deflecting.
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