[darcs-users] Darcs 2.4 - performance testing (stage 0)

Nathan Gray kolibrie at graystudios.org
Wed Dec 30 15:16:39 UTC 2009


On Thu, Dec 24, 2009 at 05:13:11PM +0000, Eric Kow wrote:
> Request zero: please install the following software
> ----------------------------------------------------------------------
> Could all volunteers please ensure that you can cabal install the
> following:
>    
>    - darcs-2.3.1 (manually rename this afterwards to darcs-2.3.1)
>    - darcs-benchmark
>    - HEAD darcs

Done.

> It may also help to make a test run
> 
> 1. Make a benchmarking directory
> 2. darcs-benchmark --get

Done.

> 3. Run darcs-benchmark comparing darcs-2.3.1 and darcs HEAD

Stalled.

$ darcs-benchmark /home/kolibrie/bin/darcs-2.3.1 /home/kolibrie/bin/darcs
/home/kolibrie/bin/darcs-2.3.1 get (full) [darcs]: 1!..2!..11.0s, 11.0M
/home/kolibrie/bin/darcs-2.3.1 get (lazy, x10) [darcs]: 1!..2!..10.3s, 3.0M
/home/kolibrie/bin/darcs-2.3.1 pull 100 [darcs]: 1!..2...  3.9s, 21.0M
/home/kolibrie/bin/darcs-2.3.1 annotate [darcs]: 1...2...  23.7s, 186.0M
/home/kolibrie/bin/darcs-2.3.1 wh x50 [darcs]: 1...2...    0.8s, 0.0M
/home/kolibrie/bin/darcs-2.3.1 wh mod x50 [darcs]: 1...2...5.8s, 2.0M
/home/kolibrie/bin/darcs-2.3.1 wh -l x20 [darcs]: 1...2... 3.7s, 4.0M
/home/kolibrie/bin/darcs-2.3.1 check [darcs]: 1...2...     21.9s, 43.0M
/home/kolibrie/bin/darcs-2.3.1 repair [darcs]: 1...2...    22.2s, 43.0M
/home/kolibrie/bin/darcs-2.3.1 pull 1000 [darcs]: 1...  

In another terminal I investigated a little bit.  It looks like
'darcs unpull' is hanging:

  $ date
  Tue Dec 29 16:29:33 EST 2009

  $ ps ax|grep darcs
  5311 pts/0    S+     0:17 darcs-benchmark /home/kolibrie/bin/darcs-2.3.1 /home/kolibrie/bin/darcs
  6136 pts/0    Sl+    0:21 /home/kolibrie/bin/darcs-2.3.1 unpull --last 1000 --all +RTS -sdarcs-stats -RTS

  $ uptime
  16:29:31 up  1:05,  3 users,  load average: 0.10, 0.32, 0.47

It is still hung many hours later:

  $ date
  Wed Dec 30 09:57:50 EST 2009

  $ ps ax|grep darcs
  5311 pts/0    S+     0:17 darcs-benchmark /home/kolibrie/bin/darcs-2.3.1 /home/kolibrie/bin/darcs
  6136 pts/0    Sl+   43:19 /home/kolibrie/bin/darcs-2.3.1 unpull --last 1000 --all +RTS -sdarcs-stats -RTS

  $ uptime
  09:57:47 up 18:33,  6 users,  load average: 0.07, 0.05, 0.01

Any ideas what I should do, besides kill it?

-kolibrie

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