Mercurial > hg
view tests/test-mq-qrefresh @ 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> |
---|---|
date | Thu, 27 Sep 2007 23:57:57 -0500 |
parents | f01efb4bc258 |
children | 71e339714586 |
line wrap: on
line source
#!/bin/sh echo "[extensions]" >> $HGRCPATH echo "mq=" >> $HGRCPATH echo % init hg init a cd a echo % commit mkdir 1 2 echo 'base' > 1/base echo 'base' > 2/base hg ci -Ambase -d '1 0' echo % qnew mqbase hg qnew -mmqbase mqbase echo % qrefresh echo 'patched' > 1/base echo 'patched' > 2/base hg qrefresh echo % qdiff hg qdiff | sed -e "s/\(+++ [a-zA-Z0-9_/.-]*\).*/\1/" \ -e "s/\(--- [a-zA-Z0-9_/.-]*\).*/\1/" echo % qdiff dirname hg qdiff . | sed -e "s/\(+++ [a-zA-Z0-9_/.-]*\).*/\1/" \ -e "s/\(--- [a-zA-Z0-9_/.-]*\).*/\1/" echo % patch file contents cat .hg/patches/mqbase | \ sed -e "s/\(+++ [a-zA-Z0-9_/.-]*\).*/\1/" \ -e "s/\(--- [a-zA-Z0-9_/.-]*\).*/\1/" echo % qrefresh 1 echo 'patched again' > base hg qrefresh 1 echo % qdiff hg qdiff | sed -e "s/\(+++ [a-zA-Z0-9_/.-]*\).*/\1/" \ -e "s/\(--- [a-zA-Z0-9_/.-]*\).*/\1/" echo % qdiff dirname hg qdiff . | sed -e "s/\(+++ [a-zA-Z0-9_/.-]*\).*/\1/" \ -e "s/\(--- [a-zA-Z0-9_/.-]*\).*/\1/" echo % patch file contents cat .hg/patches/mqbase | \ sed -e "s/\(+++ [a-zA-Z0-9_/.-]*\).*/\1/" \ -e "s/\(--- [a-zA-Z0-9_/.-]*\).*/\1/" echo % qrefresh . in subdir ( cd 1 ; hg qrefresh . ) echo % qdiff hg qdiff | sed -e "s/\(+++ [a-zA-Z0-9_/.-]*\).*/\1/" \ -e "s/\(--- [a-zA-Z0-9_/.-]*\).*/\1/" echo % qdiff dirname hg qdiff . | sed -e "s/\(+++ [a-zA-Z0-9_/.-]*\).*/\1/" \ -e "s/\(--- [a-zA-Z0-9_/.-]*\).*/\1/" echo % patch file contents cat .hg/patches/mqbase | \ sed -e "s/\(+++ [a-zA-Z0-9_/.-]*\).*/\1/" \ -e "s/\(--- [a-zA-Z0-9_/.-]*\).*/\1/" echo % qrefresh in hg-root again hg qrefresh echo % qdiff hg qdiff | sed -e "s/\(+++ [a-zA-Z0-9_/.-]*\).*/\1/" \ -e "s/\(--- [a-zA-Z0-9_/.-]*\).*/\1/" echo % qdiff dirname hg qdiff . | sed -e "s/\(+++ [a-zA-Z0-9_/.-]*\).*/\1/" \ -e "s/\(--- [a-zA-Z0-9_/.-]*\).*/\1/" echo % patch file contents cat .hg/patches/mqbase | \ sed -e "s/\(+++ [a-zA-Z0-9_/.-]*\).*/\1/" \ -e "s/\(--- [a-zA-Z0-9_/.-]*\).*/\1/"