From mboxrd@z Thu Jan  1 00:00:00 1970
From: Richard Henderson <rth@twiddle.net>
Subject: Re: [PATCH] alpha: simplify and optimize sched_find_first_bit
Date: Wed, 28 Apr 2010 20:56:21 -0700
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To: Matt Turner <mattst88@gmail.com>
Cc: linux-alpha@vger.kernel.org, Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@elte.hu>, Ivan Kokshaysky <ink@jurassic.park.msu.ru>

On 04/28/2010 08:37 PM, Matt Turner wrote:
> Search only the first 100 bits instead of 140, saving a couple
> instructions. The resulting code is about 1/3 faster (40K ticks/1000
> iterations down to 30K ticks/1000 iterations).
> 
> Cc: Peter Zijlstra <peterz@infradead.org>
> Cc: Ingo Molnar <mingo@elte.hu>
> Cc: Richard Henderson <rth@twiddle.net>
> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
> Cc: linux-alpha@vger.kernel.org
> Signed-off-by: Matt Turner <mattst88@gmail.com>

Acked-by: Richard Henderson <rth@twiddle.net>


r~