[darcs-devel] New performance regression?
Simon Marlow
simonmar at microsoft.com
Thu Feb 7 15:26:09 UTC 2008
I just updated my darcs2 to try out the new ByteString changes and see if I
could reproduce Erik's results, and I'm seeing a bit regression in the
performance of unpull:
$ darcs2 unpull --from-tag=2007-09-25 -a
134.18s real 128.56s user 2.32s system 97% darcs2
previously this was ~15 seconds. The performance of pull seems about the
same. I've tried it several times, and also done a 'darcs optimize' just
in case. Can anyone reproduce this?
There's a darcs2 repository of ghc here, BTW:
http://darcs.haskell.org/ghc-darcs2
Incedentally, I'm doing a get on this repository right now, and darcs2 has
been silent (no progress info at all) for a couple of minutes, even though
I can see it downloading stuff... oh, now it says "Identifying repository".
Cheers,
Simon
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