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From: Andrew Morton <akpm@linux-foundation.org>
To: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Cc: Richard Purdie <rpurdie@rpsys.net>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] zlib: Optimize inffast even more
Date: Wed, 11 Nov 2009 15:24:45 -0800	[thread overview]
Message-ID: <20091111152445.7d2f8643.akpm@linux-foundation.org> (raw)
In-Reply-To: <1257762136-17593-1-git-send-email-Joakim.Tjernlund@transmode.se>

On Mon, 9 Nov 2009 11:22:16 +0100
Joakim Tjernlund <Joakim.Tjernlund@transmode.se> wrote:

> This improves zlib: Optimize inffast when copying direct from output
> and gives another 3-4% improvement for my MPC8321 target.
> Does not need CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS,
> uses get_unaligned() but only in one place.
> The copy loop just above this one can also use this
> optimization, but I havn't done so as I have not tested if it
> is a win there too.
> 
> Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
> ---
> 
>  Someone with a little endian target should test too.

eh?  That requires a PC.  Can't you test it??

  reply	other threads:[~2009-11-11 23:25 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-09 10:22 [PATCH] zlib: Optimize inffast even more Joakim Tjernlund
2009-11-11 23:24 ` Andrew Morton [this message]
2009-11-12  8:51   ` Joakim Tjernlund
2009-11-11 23:46 ` roel kluin
2009-11-12  7:23   ` Joakim Tjernlund

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