[Request] [+ ] D12212: revlog: use rust rank computation if available

pacien (Pacien) phabricator at mercurial-scm.org
Mon Feb 21 17:13:58 UTC 2022


pacien created this revision.
Herald added a reviewer: hg-reviewers.
Herald added a subscriber: mercurial-patches.

REPOSITORY
  rHG Mercurial

BRANCH
  default

REVISION DETAIL
  https://phab.mercurial-scm.org/D12212

AFFECTED FILES
  mercurial/revlog.py

CHANGE DETAILS

diff --git a/mercurial/revlog.py b/mercurial/revlog.py
--- a/mercurial/revlog.py
+++ b/mercurial/revlog.py
@@ -2471,9 +2471,12 @@
             elif p1r == nullrev and p2r != nullrev:
                 rank = 1 + self.fast_rank(p2r)
             else:  # merge node
-                pmin, pmax = sorted((p1r, p2r))
-                rank = 1 + self.fast_rank(pmax)
-                rank += sum(1 for _ in self.findmissingrevs([pmax], [pmin]))
+                if rustdagop is not None and self.index.rust_ext_compat:
+                    rank = rustdagop.rank(self.index, p1r, p2r)
+                else:
+                    pmin, pmax = sorted((p1r, p2r))
+                    rank = 1 + self.fast_rank(pmax)
+                    rank += sum(1 for _ in self.findmissingrevs([pmax], [pmin]))
 
         e = revlogutils.entry(
             flags=flags,



To: pacien, #hg-reviewers
Cc: mercurial-patches, mercurial-devel
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