Messages in this thread | | | Date | Thu, 19 Aug 2004 08:57:25 +0200 | From | Ingo Molnar <> | Subject | Re: PATCH futex on fusyn (Was: RE: [RFC/PATCH] FUSYN Realtime & robust mutexes for Linux, v2.3.1) |
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* Perez-Gonzalez, Inaky <inaky.perez-gonzalez@intel.com> wrote:
> Performance:
> Environment Seconds (10 continuous runs averaged) > ----------- ------------------- > plain NPTL and futexes 0.97 > plain NPTL, futexes use fuqueues 1.15 > Under RTNPTL, using fulocks 1.48
hm, nice - only ~18% slowdown for a very locking-intense workload. If that could be made somewhat lower (without bad compromises) it would kill most of the performance-based objections.
the RTNPTL overhead (+~30%) is to be expected i guess - but it's optional so no pain.
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