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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 19:52:44 +0300
Message-ID: <20101204165244.GA31801@altlinux.org> (raw)
In-Reply-To: <20101204164239.GC15470@altlinux.org>

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On Sat, Dec 04, 2010 at 07:42:40PM +0300, Alexey Tourbin wrote:
> On Sat, Dec 04, 2010 at 07:29:11PM +0300, Dmitry V. Levin wrote:
> > On Sat, Dec 04, 2010 at 06:06:18PM +0300, Alexey Tourbin wrote:
> > > On Tue, Nov 30, 2010 at 03:35:42AM +0300, Dmitry V. Levin wrote:
> > > > On Fri, Nov 26, 2010 at 10:35:37AM +0200, Kirill A. Shutemov wrote:
> > > > > apt-shell < /dev/null
> > > 
> > > > 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.
> > > 
> > > The objection is, why do you think the problem is with here, not with apt?
> > > Go yonder and optimize apt!
> > 
> > It was rpm that was changed to work 10x times slower, not apt.
> > But apt certainly could be made better, so feel free to optimize it.
> 
> RPM goes reasonably fast, and it's not exactly "slower".
> Something that might be called unreasonable is behind the RPM. 
> 
> I can't see why rpm is now 10x times slower.
> Slower compared to... what?

You cannot dismiss arguments so freely.  The abovementioned command
"apt-shell < /dev/null" from apt-0.5.15lorg2-alt33 works 10x times slower
after update from librpm-4.0.4-alt98.45 to librpm-4.0.4-alt98.49.
No matter how unreasonable apt is, it was rpm update that slowed it down.


-- 
ldv

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  reply	other threads:[~2010-12-04 16:52 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
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 [this message]
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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