Messages in this thread | | | Subject | Re: [PATCH 0/4] ipc/sem.c: Bug fixes, regression fixes, v3 | From | Davidlohr Bueso <> | Date | Tue, 28 May 2013 13:37:46 -0700 |
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*sigh* it seems that the email this morning wasn't sent, resending...
On Mon, 2013-05-27 at 17:57 +0200, Manfred Spraul wrote: > Hi Davidlohr, > > On 05/26/2013 10:50 PM, Davidlohr Bueso wrote: > > > > In lack of getting my swingbench DSS environment back, I ran these > > changes against the semop-multi program on my laptop. For 256 threads, > > with Manfred's patchset the ops/sec suffers around -7.3%. > > Could you also check the performance of only patch#1? > I fear that it might be slower than all 4 together.
Performance wise, patch 1 actually doesn't make any difference with what was already upstream.
> > With regards to semop-multi: > Is this the tool? > http://marc.info/?l=linux-kernel&m=136208613626892&q=p3
Yep.
Thanks, Davidlohr
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