revset: prefetch method in "parents"
As already demonstrated, saving attribute lookup gains us some minor but
noticeable performance improvements.
revset #0: parents(all())
before) 0.024169
after ) 0.022756 94%
requesting all changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 4 changes to 4 files
updating to branch default
4 files updated, 0 files merged, 0 files removed, 0 files unresolved
requesting all changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 4 changes to 4 files
updating to branch default
4 files updated, 0 files merged, 0 files removed, 0 files unresolved