Mercurial > hg
view tests/test-clone-failure @ 5339:058e93c3d07d
I have spotted the biggest bottleneck in "bdiff.c". Actually it was
pretty easy to find after I recompiled the python interpreter and
mercurial for profiling.
In "bdiff.c" function "equatelines" allocates the minimum hash table
size, which can lead to tons of collisions. I introduced an
"overcommit" factor of 16, this is, I allocate 16 times more memory
than the minimum value. Overcommiting 128 times does not improve the
performance over the 16-times case.
author | Christoph Spiel <cspiel@freenet.de> |
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date | Thu, 27 Sep 2007 23:57:57 -0500 |
parents | 1b970cdab695 |
children | a218ba5f60df |
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#!/bin/sh # No local source hg clone a b echo $? # No remote source hg clone http://127.0.0.1:3121/a b echo $? rm -rf b # work around bug with http clone # Inaccessible source mkdir a chmod 000 a hg clone a b echo $? # Inaccessible destination mkdir b cd b hg init hg clone . ../a echo $? cd .. chmod 700 a rm -r a b # Source of wrong type if "$TESTDIR/hghave" -q fifo; then mkfifo a hg clone a b echo $? rm a else echo "abort: repository a not found!" echo 255 fi # Default destination, same directory mkdir q cd q hg init cd .. hg clone q true