On 2008-09-17 12:55:39 +0100, Catalin Marinas wrote:
> 2008/9/16 Karl Hasselström <kha@xxxxxxxxxxx>:
>
> > When benchmarking recent StGits, you'll want to try goto as well,
> > since push and pop are not yet new-infrastructure-ized (meaning
> > they're getting slowdowns from the stack log, but no speedups (if
> > any) from the new infrastructure).
>
> Indeed, goto is faster even than the stable branch.
When push+pop are converted to the new infrastructure, their
performance should be identical to goto's.
> I attached the new figures. I think it could go even faster if
> pushing attempts a "git apply" first before the index merge. With
> the stack log, the patch diff should be saved already so no need for
> a "git diff" (as in the stable branch).
Actually, the new infrastructure already uses apply (with fall-back to
merge-recursive). It doesn't use the saved diff, though.
> 2.6.27-rc5-mm1 kernel, 300 patches uncommitted
>
> pop/push ran a few times to heat the caches before running the
> benchmarks.
Have you tried the benchmarks I committed a while back?
--
Karl Hasselström, kha@xxxxxxxxxxx
www.treskal.com/kalle
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