This is an archive of the discontinued Mercurial Phabricator instance.

Differential D7119

rust-dirstatemap: remove additional lookup in dirstate.matches
ClosedPublic

Authored by Alphare on Oct 16 2019, 9:48 AM.

Download Raw Diff

Details

Reviewers

None

Group Reviewers

hg-reviewers

Commits

rHGbed8d08cfcb2: rust-dirstatemap: remove additional lookup in dirstate.matches

Summary

We use the same trick as the Python implementation

Diff Detail

Repository

rHG Mercurial

Branch

default

Lint

No Linters Available

Unit

No Unit Test Coverage

Event Timeline

Alphare created this revision.Oct 16 2019, 9:48 AM

Herald added a reviewer: hg-reviewers. · View Herald TranscriptOct 16 2019, 9:48 AM

Herald added a subscriber: mercurial-devel. · View Herald Transcript

Alphare updated this revision to Diff 18041.Nov 12 2019, 5:03 AM

Alphare added a child revision: D7523: rust-hg-path: implement `Display` for `HgPath` and `HgPathBuf`.Dec 10 2019, 10:26 AM

Alphare updated this revision to Diff 18565.

What's up on this? It appears to have been

x  29641ceacf8c
|    pruned using prune by Martin von Zweigbergk <martinvonz@google.com> (Wed Dec 11 10:48:08 2019 -0800)

In D7119#118735, @marmoute wrote:
What's up on this? It appears to have been
x  29641ceacf8c
|    pruned using prune by Martin von Zweigbergk <martinvonz@google.com> (Wed Dec 11 10:48:08 2019 -0800)

That's probably because I queued some version of it and then decided to not queue it (I had comments on the parent).

@Alphare so what should we do of this patch ?

In D7119#119792, @marmoute wrote:

@Alphare so what should we do of this patch ?

IMO it should still be valid, it's harmless at best. I don't remember having strong performance numbers. Now that most of the status is done in Rust, it should matter less, even though it could still help shave off a few milliseconds.

Alphare added a commit: rHGbed8d08cfcb2: rust-dirstatemap: remove additional lookup in dirstate.matches.Feb 12 2020, 2:40 PM

This revision was not accepted when it landed; it landed in state Needs Review.

Closed by commit rHGbed8d08cfcb2: rust-dirstatemap: remove additional lookup in dirstate.matches (authored by Alphare). · Explain Why

This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

			Path	Packages
M			mercurial/dirstate.py (3 lines)

Diff	ID	Description	Created	Lint	Unit
Base		Base
Diff 1	17201		Oct 16 2019, 9:48 AM	★	★
Diff 2	18041		Nov 12 2019, 5:03 AM	★	★
Diff 3	18565		Dec 10 2019, 10:26 AM	★	★
Diff 4	20170	rHGbed8d08cfcb2e61bf02838f5bae7d1cf0dcb1df7	Oct 16 2019, 8:12 AM	★	★

Commit	Parents	Author	Summary	Date
5fb0e4fa8d4f	7358b22121a7	Raphaël Gomès		Oct 16 2019, 8:12 AM

Status	Author	Revision
Closed	Alphare	D7531 rust-matchers: add support for `exactmatcher` in `dirstate.status`
Closed	Alphare	D7530 rust-dirstate-status: update bridge for new rust version of `dirstate.status`
Closed	Alphare	D7529 rust-dirstate-status: add `walk_explicit` implementation, use `Matcher` trait
Closed	Alphare	D7528 rust-matchers: add `FileMatcher` implementation
Closed	Alphare	D7527 rust-matchers: add doctests for `AlwaysMatcher`
Closed	Alphare	D7526 rust-hg-path: add method to get part of a path relative to a prefix
Closed	Alphare	D7525 rust-matchers: improve `Matcher` trait ergonomics
Closed	Alphare	D7524 rust-dirs-multiset: use `AsRef` instead of concrete types when possible
Closed	Alphare	D7523 rust-hg-path: implement `Display` for `HgPath` and `HgPathBuf`
Closed	Alphare	D7119 rust-dirstatemap: remove additional lookup in dirstate.matches
Abandoned	Alphare	D7118 rust-dirstatemap: remove additional lookups in traverse
Closed	Alphare	D7116 rust-performance: introduce FastHashMap type alias for HashMap

Diff 18041

mercurial/dirstate.py

	),			),
	)			)

	def matches(self, match):			def matches(self, match):
	'''			'''
	return files in the dirstate (in whatever state) filtered by match			return files in the dirstate (in whatever state) filtered by match
	'''			'''
	dmap = self._map			dmap = self._map
				if rustmod is not None:
				dmap = self._map._rustmap

	if match.always():			if match.always():
	return dmap.keys()			return dmap.keys()
	files = match.files()			files = match.files()
	if match.isexact():			if match.isexact():
	# fast path -- filter the other way around, since typically files is			# fast path -- filter the other way around, since typically files is
	# much smaller than dmap			# much smaller than dmap
	return [f for f in files if f in dmap]			return [f for f in files if f in dmap]
	if match.prefix() and all(fn in dmap for fn in files):			if match.prefix() and all(fn in dmap for fn in files):