Mercurial > hg
view CONTRIBUTING @ 31514:2519994d25ca
rebase: use one dirstateguard for entire rebase
Recently we switched rebases to run the entire rebase inside a single
transaction, which dramatically improved the speed of rebases in repos with
large working copies. Let's also move the dirstate into a single dirstateguard
to get the same benefits. This let's us avoid serializing the dirstate after
each commit.
In a large repo, rebasing 27 commits is sped up by about 20%.
I believe the test changes are because us touching the dirstate gave the
transaction something to actually rollback.
| author | Durham Goode <durham@fb.com> |
|---|---|
| date | Sun, 19 Mar 2017 11:54:15 -0700 |
| parents | a492610a2fc1 |
| children |
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