Junio C Hamano <junkio@cox.net> writes:

quoted text
> Linus Torvalds <torvalds@osdl.org> writes:
>
>> On Sun, 19 Nov 2006, Marco Costalba wrote:
>>> 
>>> Tested also with show-ref only, not useful to me, but just as a comparison.
>>> 
>>> - git tree 1420ms
>>> - linux tree 1021ms
>>> 
>>> Better, but still slower then what I would expected.
>>
>> MUCH slower than expected.

There is something seriously wrong about Marco's number with or
without my patch.  I am getting something like this from
linux-2.6 with fully packed and pruned refs;

$ /usr/bin/time git-show-ref -d >/dev/null
0.08user 0.00system 0:00.08elapsed 97%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+3314minor)pagefaults 0swaps

$ /usr/bin/time ../git.junio/git-show-ref -d >/dev/null
0.05user 0.01system 0:00.06elapsed 98%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2724minor)pagefaults 0swaps

The second one is with the patch, the first one is from
yesterday's master.

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