[darcs-devel] [issue1731] performance regression in check/repair (2.4.x)

Eric Kow bugs at darcs.net
Fri Feb 5 21:32:18 UTC 2010


Eric Kow <kowey at darcs.net> added the comment:

This time, the full set of benchmarks:

ghc-hashed
----------

+--------------------++--------------------+-----------------------+-------------------------+
|                    || darcs-2.3.1        | darcs-2.3.98.2        | darcs-2.3.99.1p2        |
+====================++====================+=======================+=========================+
|         get (full) ||      642.7s  70.0M |         748.1s  70.0M |           613.5s  70.0M |
|    get (lazy, x10) ||      142.3s   8.0M |         136.5s   8.0M |           134.5s   8.0M |
|           pull 100 ||       15.6s  34.0M |          13.1s  32.0M |            16.9s  32.0M |
|           annotate ||           -      - |              -      - |                -      - |
|             wh x50 ||        2.0s   0.0M |           4.7s   0.0M |             3.9s   0.0M |
|         wh mod x50 ||        7.2s   3.0M |           9.9s   3.0M |             8.3s   4.0M |
|          wh -l x20 ||        8.5s   0.0M |           4.6s   0.0M |             3.5s   0.0M |
|     record mod x10 ||       31.8s  55.0M |          31.2s  68.0M |            28.4s  68.0M |
|     revert mod x50 ||       38.4s  12.0M |          21.4s   8.0M |            21.7s   8.0M |
| (un)revert mod x10 ||       35.6s  33.0M |          28.7s  32.0M |            27.2s  32.0M |
|              check ||      478.9s 142.0M |              -      - |           427.7s 203.0M |
|             repair ||      650.2s 143.0M |        1067.7s 355.0M |           577.9s 204.0M |
|          pull 1000 ||       71.1s 202.0M |          77.2s 195.0M |           102.8s 203.0M |
+--------------------++--------------------+-----------------------+-------------------------+

-- 
Eric Kow <http://www.nltg.brighton.ac.uk/home/Eric.Kow>
PGP Key ID: 08AC04F9

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