From: Martin Fick <mfick@codeaurora.org>
Date: Tue, 10 Apr 2012 16:51:55 GMT
Subject: Re: [PATCH 0/5] multithread traverse_commit_list (aka rev-list)
Message-ID: <201204101051.56288.mfick@codeaurora.org>
In-Reply-To: <1334068771-32725-1-git-send-email-pclouds@gmail.com>

On Tuesday, April 10, 2012 08:39:26 am Nguyễn Thái Ngọc Duy 
wrote:
> While this series does not break rev-list (but breaks all
> external commands, I don't care anyway), and it proves
> lock-free pack access works, it does not improve
> rev-list performance. I suspect extensive locking around
> "struct object *" may be the culprit.  

Or if it is memory contention and your threads share the 
same cache, it won't help much either,

-Martin

-- 
Employee of Qualcomm Innovation Center, Inc. which is a 
member of Code Aurora Forum