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From: Arnaldo Carvalho de Melo <acme@redhat.com>
To: Ulrich Drepper <drepper@redhat.com>
Cc: a.p.zijlstra@chello.nl, davem@davemloft.net, imunsie@au.ibm.com,
	linux-kernel@vger.kernel.org, mhiramat@redhat.com, mingo@elte.hu,
	paulus@samba.org
Subject: Re: Small perf optimization
Date: Thu, 22 Jul 2010 13:21:07 -0300	[thread overview]
Message-ID: <20100722162107.GP5222@ghostprotocols.net> (raw)
In-Reply-To: <201007221611.o6MGBnmW029378@hs20-bc2-1.build.redhat.com>

Em Thu, Jul 22, 2010 at 12:11:49PM -0400, Ulrich Drepper escreveu:
> Before this bad practice of using arrays of string pointers to constant
> strings further spreads let's fix it.  With this change not only is the
> entire data associated with the arrays read-only, it also replaces a
> memory lookup with a trivial arithmetic operation.  The result is
> a smaller and faster binary.
> 
> 
> Signed-off-by: Ulrich Drepper <drepper@redhat.com>

Thanks, applying to perf/core (i.e. for 2.6.36).

- Arnaldo

      reply	other threads:[~2010-07-22 16:21 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-22 16:11 Small perf optimization Ulrich Drepper
2010-07-22 16:21 ` Arnaldo Carvalho de Melo [this message]

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