Mercurial > hg > mercurial-crew-with-dirclash
view tests/test-merge-revert @ 2474:1e32e2fe8a67
Fix cold cache diff performance
cold cache diff performance has regressed in two ways. localrepo.changes
has optimizations for diffing against the working dir parent that expect
node1 to be None. commands.revpair() usage means that commands.dodiff()
never sends node1 == None. This is fixed in localrepo.changes by checking
against the dirstate parents.
In the non-dirstate parents case, localrepo.changes does a loop comparing
files without first sorting the file names, leading to random access
across the disk.
author | Chris Mason <mason@suse.com> |
---|---|
date | Wed, 21 Jun 2006 09:28:48 -0700 |
parents | 7544700fd931 |
children | 890e285c52a1 |
line wrap: on
line source
#!/bin/sh mkdir t cd t hg init echo "added file1" > file1 echo "added file2" > file2 hg add file1 file2 hg commit -m "added file1 and file2" -d "1000000 0" -u user echo "changed file1" >> file1 hg commit -m "changed file1" -d "1000000 0" -u user hg -q log hg id hg update -C 0 hg id echo "changed file1" >> file1 hg id hg revert hg diff hg status hg id hg update hg diff hg status hg id hg update -C 0 echo "changed file1" >> file1 HGMERGE=merge hg update hg diff hg status hg id hg revert hg diff hg status hg id hg revert -r tip hg diff hg status hg id hg update -C hg diff hg status hg id cd ..; /bin/rm -rf t