From: Torsten Bögershausen Date: Thu, 05 Jun 2014 12:30:17 GMT Subject: Re: [PATCH v6 2/2] refs.c: SSE4.2 optimizations for check_refname_component Message-ID: <539062D9.60000@web.de> In-Reply-To: <1401916560.18134.167.camel@stross> 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)