From mboxrd@z Thu Jan  1 00:00:00 1970
From: Junio C Hamano <junkio@cox.net>
Subject: Re: git-diff-tree -M performance regression in 'next'
Date: Sun, 12 Mar 2006 11:34:01 -0800
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Cc: Fredrik Kuivinen <freku045@student.liu.se>, git@vger.kernel.org
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To: Linus Torvalds <torvalds@osdl.org>
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Linus Torvalds <torvalds@osdl.org> writes:

> On Sun, 12 Mar 2006, Junio C Hamano wrote:
>> 
>> master  : 130m virtual, 40m resident, (0major+12510minor)
>>           66.06user 0.07system 1:10.95elapsed
>> "next"  : 150m virtual, 65m resident, (0major+49858minor)
>>           51.41user 0.45system 0.57.55elapsed
>
> Any way to fix that "4 times as many page misses, and 70% bigger rss?" 
> thing? It looks like you're not very careful about your memory use.

I started from "80 times as many page misses and 5 times bigger
rss", shrunk it down to the above after doing more careful
memory use, running out of ideas to shrink it more, and pushed
it out.  So...