From: "Dmitry V. Levin" <ldv@altlinux.org>
To: ALT Devel discussion list <devel@lists.altlinux.org>
Subject: Re: [devel] [PATCH 0/3] optimize rpmsetcmp()
Date: Sat, 4 Dec 2010 19:30:49 +0300
Message-ID: <20101204163048.GB12275@altlinux.org> (raw)
In-Reply-To: <20101204130217.GA3406@altlinux.org>
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On Sat, Dec 04, 2010 at 04:02:17PM +0300, Alexey Tourbin wrote:
> On Tue, Nov 30, 2010 at 03:35:42AM +0300, Dmitry V. Levin wrote:
> > On Intel Xeon E5520
> > without patches:
> > 2.02user 0.00system 0:02.02elapsed 100%CPU (0avgtext+0avgdata 0maxresident)k
> > 0inputs+0outputs (0major+9730minor)pagefaults 0swaps
> > with patches:
> > 1.77user 0.00system 0:01.77elapsed 100%CPU (0avgtext+0avgdata 0maxresident)k
> > 0inputs+0outputs (0major+9565minor)pagefaults 0swaps
> > speedup is around 12%
> >
> > Not so amazing as on your test platform, but awesome anyway.
> > I'm going to apply these patches.
> > If anybody has objections, please speak up now.
>
> I think I've made more amazing a change.
> http://git.altlinux.org/gears/r/rpm.git?a=commitdiff;h=fc5b5a5f
Have you tried to combine both optimizations?
--
ldv
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next prev parent reply other threads:[~2010-12-04 16:30 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-25 22:04 Kirill A. Shutsemov
2010-11-25 22:04 ` [devel] [PATCH 1/3] set.c: use packed bitmap for bit vector Kirill A. Shutsemov
2010-11-25 22:04 ` [devel] [PATCH 2/3] set.c: optimize putbits() Kirill A. Shutsemov
2010-11-25 22:04 ` [devel] [PATCH 3/3] set.c: optimize decode_golomb() Kirill A. Shutsemov
2010-11-26 8:35 ` [devel] [PATCH 0/3] optimize rpmsetcmp() Kirill A. Shutemov
2010-11-30 0:35 ` Dmitry V. Levin
2010-12-02 21:48 ` Dmitry V. Levin
2010-12-04 13:02 ` Alexey Tourbin
2010-12-04 16:30 ` Dmitry V. Levin [this message]
2010-12-04 16:55 ` Alexey Tourbin
2010-12-04 15:06 ` Alexey Tourbin
2010-12-04 16:29 ` Dmitry V. Levin
2010-12-04 16:42 ` Alexey Tourbin
2010-12-04 16:52 ` Dmitry V. Levin
2010-12-04 17:05 ` Alexey Tourbin
2010-12-04 17:52 ` Dmitry V. Levin
2010-12-04 21:28 ` Alexey Tourbin
2010-12-04 23:26 ` Dmitry V. Levin
2010-12-04 23:41 ` Alexey Tourbin
2010-12-05 0:03 ` Dmitry V. Levin
2010-12-05 0:21 ` Alexey Tourbin
2010-12-05 12:49 ` Michael Shigorin
2010-12-07 17:50 ` Dmitry V. Levin
2010-12-05 1:24 ` Alexey Tourbin
2010-12-05 11:18 ` Dmitry V. Levin
2010-12-05 12:39 ` Alexey Tourbin
2010-12-05 12:39 ` Michael Shigorin
2010-12-05 12:58 ` Alexey Tourbin
2010-12-05 15:27 ` Dmitry V. Levin
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