From: Pierre Habouzit <madcoder@debian.org>
To: Jakub Narebski <jnareb@gmail.com>
Cc: Git ML <git@vger.kernel.org>
Subject: Re: THREADED_DELTA_SEARCH
Date: Thu, 10 Jul 2008 11:33:09 +0200 [thread overview]
Message-ID: <20080710093308.GF24819@artemis.madism.org> (raw)
In-Reply-To: <m3hcaydswg.fsf@localhost.localdomain>
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On Thu, Jul 10, 2008 at 08:51:06AM +0000, Jakub Narebski wrote:
> Pierre Habouzit <madcoder@debian.org> writes:
>
> > I'm using it in production for quite a long time now, and I wonder if
> > there is any specific reason why it's not default. Debian activated it
> > by default too a couple of weeks ago, which means that it's in
> > production on quite a large scale, and there are no issues reported
> > either. Would a patch making it default be accepted ? It's quite handy
> > given that SMP machines are really pervasive nowadays…
>
> Doues our ./configure detects if it makes sense (i.e. if it is SMP
> machine)?
I don't know if it does, but it wouldn't make sense for distros.
> What is the cost of THREADED_DELTA_SEARCH for single processor
> single core machine?
Threading has to be enabled in the configuration, and there is a
--thread=0 mode that enables autodetection of the number of CPUs online.
so there is no overhead for single CPU systems.
--
·O· Pierre Habouzit
··O madcoder@debian.org
OOO http://www.madism.org
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next prev parent reply other threads:[~2008-07-10 9:34 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-10 7:53 THREADED_DELTA_SEARCH Pierre Habouzit
2008-07-10 8:01 ` THREADED_DELTA_SEARCH Johannes Sixt
2008-07-10 16:50 ` THREADED_DELTA_SEARCH Andreas Ericsson
2008-07-10 8:51 ` THREADED_DELTA_SEARCH Jakub Narebski
2008-07-10 9:33 ` Pierre Habouzit [this message]
2008-07-10 15:34 ` THREADED_DELTA_SEARCH Junio C Hamano
2008-07-10 16:21 ` THREADED_DELTA_SEARCH Nicolas Pitre
2008-07-10 20:13 ` THREADED_DELTA_SEARCH Alex Riesen
2008-07-10 20:26 ` THREADED_DELTA_SEARCH Nicolas Pitre
2008-07-10 20:29 ` THREADED_DELTA_SEARCH Alex Riesen
2008-07-10 20:36 ` THREADED_DELTA_SEARCH Nicolas Pitre
2008-07-10 22:19 ` THREADED_DELTA_SEARCH Alex Riesen
[not found] ` <alpine.DEB.1.00.0807110032030.3279@eeepc-johanness>
[not found] ` <alpine.LFD.1.10.0807101851520.12484@xanadu.home>
[not found] ` <81b0412b0807102259q1046051bwc513eadb50847675@mail.gmail.com>
2008-07-11 7:41 ` THREADED_DELTA_SEARCH Pierre Habouzit
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