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: Tue, 30 Nov 2010 03:35:42 +0300
Message-ID: <20101130003541.GA20093@altlinux.org> (raw)
In-Reply-To: <20101126083537.GA26344@shutemov.name>
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On Fri, Nov 26, 2010 at 10:35:37AM +0200, Kirill A. Shutemov wrote:
> On Fri, Nov 26, 2010 at 12:04:23AM +0200, Kirill A. Shutsemov wrote:
> >
> > Tested on Intel Core2 Duo P9500, 3GiB RAM. i586.
>
> apt-shell < /dev/null
[...]
> Around 41% of speed up.
On AMD Opteron Processor 275:
without patches:
2.98user 0.19system 0:03.18elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+10142minor)pagefaults 0swaps
with patches:
2.20user 0.21system 0:02.42elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+9978minor)pagefaults 0swaps
speedup is around 24%
On AMD Opteron Processor 2216:
without patches:
2.42user 0.02system 0:02.44elapsed 100%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+9784minor)pagefaults 0swaps
with patches:
1.86user 0.02system 0:01.88elapsed 100%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+9601minor)pagefaults 0swaps
speedup is around 23%
On Intel Xeon 5110
without patches:
2.98user 0.04system 0:03.02elapsed 100%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+9789minor)pagefaults 0swaps
with patches:
2.54user 0.01system 0:02.55elapsed 100%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+9608minor)pagefaults 0swaps
speedup is around 16%
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.
--
ldv
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next prev parent reply other threads:[~2010-11-30 0:35 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 [this message]
2010-12-02 21:48 ` Dmitry V. Levin
2010-12-04 13:02 ` Alexey Tourbin
2010-12-04 16:30 ` Dmitry V. Levin
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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