On Wed, 20 Apr 2005, Chris Mason wrote:
>
> At any rate, the time for a single write-tree is pretty consistent. Before
> it
> was around .5 seconds, and with this change it goes down to .128s.
Oh, wow.
I bet your SHA1 implementation is done with hand-optimized and scheduled
x86 MMX code or something, while my poor G5 is probably using some slow
generic routine. As a result, it only improved by 33% for me since the
compression was just part of the picture, but with your cheap SHA1 the
compression costs really dominated, and so it's almost four times faster
for you.
Anyway, that's good. It definitely means that I consider tree writing to
be "fast enough". You can commit patches in a third of a second on your
machine.
I'll consider the problem solved for now. Yeah, I realize that it still
takes you half a minute to commit the 100 quilt patches, but I just can't
bring myself to think it's a huge problem in the kind of usage patterns I
think are realistic.
If somebody really wants to replace quilt with git, he'd need to spend
some effort on it. If you just want to work together reasonably well, I
think 3 patches per second is pretty much there.
Linus
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