On Mon, 10 Sep 2007, Jeff King wrote: > On Mon, Sep 10, 2007 at 01:41:23AM -0400, Jeff King wrote: > > > Interestingly, about 55 seconds of that was in the _writing_ phase (this > > seems a bit slow to me, but unfortunately I don't know anything about > > the disk characteristics; it looks like JFS on top of a big hardware > > RAID). But subtracting that out from each, we get a nice 2x speedup for > > Er, nevermind this nonsense about the disk. I forgot that writing > actually involves recalculating a bunch of deltas; the CPU is pegged at > 100% during the write phase, but of course it's single-threaded. Yeah... and there is hardly any way to threadify this without using up a lot of memory, which you can already do with raising the cache limit. Nicolas - 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
