Re: [PATCH v6 2/2] refs.c: SSE4.2 optimizations for check_refname_component

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On 2014-06-04 23.16, David Turner wrote:
> 
> Sure!  I actually went with > 120k to make measurement easier:
> https://github.com/dturner-tw/many-refs
Hm, I didn't get so man

git remote -v
origin  https://github.com/dturner-tw/many-refs 

 wc .git/packed-refs 
     750    1130   38868 .git/packed-refs



time git rev-parse HEAD
7ac416f789fd4f1e398449113f6e1ec1d699141a

real    0m0.008s
user    0m0.002s
sys     0m0.004s

where only patch 1/2 doesn't seem to speed up things on my system:

time ~/projects/git/tb.140604_DavidTurner_SSE4/git rev-parse HEAD
7ac416f789fd4f1e398449113f6e1ec1d699141a

real    0m0.010s
user    0m0.002s
sys     0m0.005s



Intel Core Duo @ 2.4 Ghz, Mac OS

(and I get similar values under an AMD Dual core running 2Ghz under Linux)


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