On Tue, Oct 15, 2013 at 07:49:57AM +0700, Nguyen Thai Ngoc Duy wrote: > I see this as pack-objects peformance improvements only. If we could > make pack-objects run like 10% faster (even only with -adf), then it > may be worth trying. The 10% is a total guess though as I haven't > checked how much time we spend in searching deltas. For "repack -ad", generally we don't spend that much time on deltas. It depends what your pre-repack state is, of course, but I find that most of the time goes to "counting objects". With "-adf", I would guess that we easily spend something like 95% of the time on compressing for a large repository (just try "repack -adf" on the kernel; even with 8 cores it's a half hour or more on my machine, versus about 25 seconds to count the objects). So I think you could potentially get a lot of speedup for the "-adf" case (and likewise "git gc --aggressive"). -Peff -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html