From: Giovanni Bajo Date: Fri, 07 Dec 2007 20:26:54 GMT Subject: Re: Git and GCC Message-ID: <4759AC8E.3070102@develer.com> In-Reply-To: On 12/7/2007 6:23 PM, Linus Torvalds wrote: >> Is SHA a significant portion of the compute during these repacks? >> I should run oprofile... > > SHA1 is almost totally insignificant on x86. It hardly shows up. But we > have a good optimized version there. > > zlib tends to be a lot more noticeable (especially the uncompression: it > may be faster than compression, but it's done _so_ much more that it > totally dominates). Have you considered alternatives, like: http://www.oberhumer.com/opensource/ucl/ -- Giovanni Bajo