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Re: [RFC] Lock elision "test suite", first draft


On Fri, Aug 09, 2013 at 10:18:46AM +0200, Dominik Vogt wrote:
> On Wed, Aug 07, 2013 at 02:20:10PM +0200, OndÅej BÃlka wrote:
snip
> > > elision on:
> > > -----------
> > > pct_best 593.48...%
> > > pct_mindev: 5.73...%
> > > pct_maxdev: 4.09...%
> > > pct_stddev: 3.43...%
> > > 
> > Do you know why elision is 6 times slower on this test?
> 
> The throughput is six times of the throughput without elision.
> The percentages of pct_best are relative performance compared with
> glibc-2.15.
> 
> Vice versa, an explanation is needed for the performance of the
> tests 1, 2, 4 and 5.  I'm working on that and will post individual
> analyses of the tests soon.
> 
We are waiting for analysis, if 4/5 of tests have worse performance
there is risk that performance will be worse also in wild.


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