Mercurial > hg-stable
changeset 16719:e7bf09acd410
localrepo: add branchtip() method for faster single-branch lookups
For the PyPy repo with 744 branches and 843 branch heads, this brings
hg log -r default over NFS from:
CallCount Recursive Total(ms) Inline(ms) module:lineno(function)
3249 0 1.3222 1.3222 <open>
3244 0 0.6211 0.6211 <method 'close' of 'file' objects>
3243 0 0.0800 0.0800 <method 'read' of 'file' objects>
3241 0 0.0660 0.0660 <method 'seek' of 'file' objects>
3905 0 0.0476 0.0476 <zlib.decompress>
3281 0 2.6756 0.0472 mercurial.changelog:182(read)
+3281 0 2.5256 0.0453 +mercurial.revlog:881(revision)
+3276 0 0.0389 0.0196 +mercurial.changelog:28(decodeextra)
+6562 0 0.0123 0.0123 +<method 'split' of 'str' objects>
+6562 0 0.0408 0.0073 +mercurial.encoding:61(tolocal)
+3281 0 0.0054 0.0054 +<method 'index' of 'str' objects>
3241 0 2.2464 0.0456 mercurial.revlog:818(_loadchunk)
+3241 0 0.6205 0.6205 +<method 'close' of 'file' objects>
+3241 0 0.0765 0.0765 +<method 'read' of 'file' objects>
+3241 0 0.0660 0.0660 +<method 'seek' of 'file' objects>
+3241 0 1.4209 0.0135 +mercurial.store:374(__call__)
+3241 0 0.0122 0.0107 +mercurial.revlog:810(_addchunk)
3281 0 2.5256 0.0453 mercurial.revlog:881(revision)
+3280 0 0.0175 0.0175 +mercurial.revlog:305(rev)
+3281 0 2.2819 0.0119 +mercurial.revlog:847(_chunkraw)
+3281 0 0.0603 0.0083 +mercurial.revlog:945(_checkhash)
+3281 0 0.0051 0.0051 +mercurial.revlog:349(flags)
+3281 0 0.0040 0.0040 +<mercurial.mpatch.patches>
13682 0 0.0479 0.0248 <method 'decode' of 'str' objects>
+7418 0 0.0228 0.0076 +encodings.utf_8:15(decode)
+1 0 0.0003 0.0000 +encodings:71(search_function)
3248 0 1.3995 0.0246 mercurial.scmutil:218(__call__)
+3248 0 1.3222 1.3222 +<open>
+3248 0 0.0235 0.0184 +os.path:80(split)
+3248 0 0.0084 0.0068 +mercurial.scmutil:92(__call__)
Time: real 2.750 secs (user 0.680+0.000 sys 0.360+0.000)
down to:
CallCount Recursive Total(ms) Inline(ms) module:lineno(function)
55 31 0.0197 0.0163 <__import__>
+1 0 0.0006 0.0002 +mercurial.context:8(<module>)
+1 0 0.0042 0.0001 +mercurial.revlog:12(<module>)
+1 0 0.0002 0.0001 +mercurial.match:8(<module>)
+1 0 0.0003 0.0001 +mercurial.dirstate:7(<module>)
+1 0 0.0057 0.0001 +mercurial.changelog:8(<module>)
1 0 0.0117 0.0032 mercurial.localrepo:525(_readbranchcache)
+844 0 0.0015 0.0015 +<binascii.unhexlify>
+845 0 0.0010 0.0010 +<method 'split' of 'str' objects>
+843 0 0.0045 0.0009 +mercurial.encoding:61(tolocal)
+843 0 0.0004 0.0004 +<method 'setdefault' of 'dict' objects>
+1 0 0.0003 0.0003 +<method 'close' of 'file' objects>
3 0 0.0029 0.0029 <method 'read' of 'file' objects>
9 0 0.0018 0.0018 <open>
990 0 0.0017 0.0017 <binascii.unhexlify>
53 0 0.0016 0.0016 mercurial.demandimport:43(__init__)
862 0 0.0015 0.0015 <_codecs.utf_8_decode>
862 0 0.0037 0.0014 <method 'decode' of 'str' objects>
+862 0 0.0023 0.0008 +encodings.utf_8:15(decode)
981 0 0.0011 0.0011 <method 'split' of 'str' objects>
861 0 0.0046 0.0009 mercurial.encoding:61(tolocal)
+861 0 0.0037 0.0014 +<method 'decode' of 'str' objects>
862 0 0.0023 0.0008 encodings.utf_8:15(decode)
+862 0 0.0015 0.0015 +<_codecs.utf_8_decode>
4 0 0.0008 0.0008 <method 'close' of 'file' objects>
179 154 0.0202 0.0004 mercurial.demandimport:83(__getattribute__)
+36 11 0.0199 0.0003 +mercurial.demandimport:55(_load)
+72 0 0.0001 0.0001 +mercurial.demandimport:83(__getattribute__)
+36 0 0.0000 0.0000 +<getattr>
1 0 0.0015 0.0004 mercurial.tags:148(_readtagcache)
Time: real 0.060 secs (user 0.030+0.000 sys 0.010+0.000)
author | Brodie Rao <brodie@sf.io> |
---|---|
date | Sun, 13 May 2012 14:04:04 +0200 |
parents | 3290e24bb3f0 |
children | e825a89de5d7 |
files | hgext/fetch.py mercurial/bookmarks.py mercurial/commands.py mercurial/context.py mercurial/hgweb/webcommands.py mercurial/hgweb/webutil.py mercurial/localrepo.py mercurial/merge.py |
diffstat | 8 files changed, 48 insertions(+), 22 deletions(-) [+] |
line wrap: on
line diff
--- a/hgext/fetch.py Sun May 13 16:39:40 2012 +0200 +++ b/hgext/fetch.py Sun May 13 14:04:04 2012 +0200 @@ -38,7 +38,10 @@ parent, p2 = repo.dirstate.parents() branch = repo.dirstate.branch() - branchnode = repo.branchtags().get(branch) + try: + branchnode = repo.branchtip(branch) + except error.RepoLookupError: + branchnode = None if parent != branchnode: raise util.Abort(_('working dir not at branch tip ' '(use "hg update" to check out branch tip)'))
--- a/mercurial/bookmarks.py Sun May 13 16:39:40 2012 +0200 +++ b/mercurial/bookmarks.py Sun May 13 14:04:04 2012 +0200 @@ -7,7 +7,7 @@ from mercurial.i18n import _ from mercurial.node import hex -from mercurial import encoding, util +from mercurial import encoding, error, util import errno, os def valid(mark): @@ -140,8 +140,8 @@ def updatecurrentbookmark(repo, oldnode, curbranch): try: - return update(repo, oldnode, repo.branchtags()[curbranch]) - except KeyError: + return update(repo, oldnode, repo.branchtip(curbranch)) + except error.RepoLookupError: if curbranch == "default": # no default branch! return update(repo, oldnode, repo.lookup("tip")) else:
--- a/mercurial/commands.py Sun May 13 16:39:40 2012 +0200 +++ b/mercurial/commands.py Sun May 13 14:04:04 2012 +0200 @@ -827,7 +827,7 @@ if mark in marks and not force: raise util.Abort(_("bookmark '%s' already exists " "(use -f to force)") % mark) - if ((mark in repo.branchtags() or mark == repo.dirstate.branch()) + if ((mark in repo.branchmap() or mark == repo.dirstate.branch()) and not force): raise util.Abort( _("a bookmark cannot have the name of an existing branch")) @@ -903,7 +903,7 @@ repo.dirstate.setbranch(label) ui.status(_('reset working directory to branch %s\n') % label) elif label: - if not opts.get('force') and label in repo.branchtags(): + if not opts.get('force') and label in repo.branchmap(): if label not in [p.branch() for p in repo.parents()]: raise util.Abort(_('a branch of the same name already' ' exists'),
--- a/mercurial/context.py Sun May 13 16:39:40 2012 +0200 +++ b/mercurial/context.py Sun May 13 14:04:04 2012 +0200 @@ -78,10 +78,12 @@ self._node = repo._tagscache.tags[changeid] self._rev = repo.changelog.rev(self._node) return - if changeid in repo.branchtags(): - self._node = repo.branchtags()[changeid] + try: + self._node = repo.branchtip(changeid) self._rev = repo.changelog.rev(self._node) return + except error.RepoLookupError: + pass self._node = repo.changelog._partialmatch(changeid) if self._node is not None:
--- a/mercurial/hgweb/webcommands.py Sun May 13 16:39:40 2012 +0200 +++ b/mercurial/hgweb/webcommands.py Sun May 13 14:04:04 2012 +0200 @@ -794,7 +794,11 @@ desc = cgi.escape(templatefilters.nonempty(desc)) user = cgi.escape(templatefilters.person(ctx.user())) branch = ctx.branch() - branch = branch, web.repo.branchtags().get(branch) == ctx.node() + try: + branchnode = web.repo.branchtip(branch) + except error.RepoLookupError: + branchnode = None + branch = branch, branchnode == ctx.node() data.append((node, vtx, edges, desc, user, age, branch, ctx.tags(), ctx.bookmarks()))
--- a/mercurial/hgweb/webutil.py Sun May 13 16:39:40 2012 +0200 +++ b/mercurial/hgweb/webutil.py Sun May 13 14:04:04 2012 +0200 @@ -98,16 +98,23 @@ branches = [] branch = ctx.branch() # If this is an empty repo, ctx.node() == nullid, - # ctx.branch() == 'default', but branchtags() is - # an empty dict. Using dict.get avoids a traceback. - if repo.branchtags().get(branch) == ctx.node(): + # ctx.branch() == 'default'. + try: + branchnode = repo.branchtip(branch) + except error.RepoLookupError: + branchnode = None + if branchnode == ctx.node(): branches.append({"name": branch}) return branches def nodeinbranch(repo, ctx): branches = [] branch = ctx.branch() - if branch != 'default' and repo.branchtags().get(branch) != ctx.node(): + try: + branchnode = repo.branchtip(branch) + except error.RepoLookupError: + branchnode = None + if branch != 'default' and branchnode != ctx.node(): branches.append({"name": branch}) return branches
--- a/mercurial/localrepo.py Sun May 13 16:39:40 2012 +0200 +++ b/mercurial/localrepo.py Sun May 13 14:04:04 2012 +0200 @@ -507,17 +507,27 @@ self.updatebranchcache() return self._branchcache + def _branchtip(self, heads): + '''return the tipmost branch head in heads''' + tip = heads[-1] + for h in reversed(heads): + if 'close' not in self.changelog.read(h)[5]: + tip = h + break + return tip + + def branchtip(self, branch): + '''return the tip node for a given branch''' + if branch not in self.branchmap(): + raise error.RepoLookupError(_("unknown branch '%s'") % branch) + return self._branchtip(self.branchmap()[branch]) + def branchtags(self): '''return a dict where branch names map to the tipmost head of the branch, open heads come before closed''' bt = {} for bn, heads in self.branchmap().iteritems(): - tip = heads[-1] - for h in reversed(heads): - if 'close' not in self.changelog.read(h)[5]: - tip = h - break - bt[bn] = tip + bt[bn] = self._branchtip(heads) return bt def _readbranchcache(self):
--- a/mercurial/merge.py Sun May 13 16:39:40 2012 +0200 +++ b/mercurial/merge.py Sun May 13 14:04:04 2012 +0200 @@ -7,7 +7,7 @@ from node import nullid, nullrev, hex, bin from i18n import _ -import scmutil, util, filemerge, copies, subrepo +import error, scmutil, util, filemerge, copies, subrepo import errno, os, shutil class mergestate(object): @@ -529,8 +529,8 @@ if node is None: # tip of current branch try: - node = repo.branchtags()[wc.branch()] - except KeyError: + node = repo.branchtip(wc.branch()) + except error.RepoLookupError: if wc.branch() == "default": # no default branch! node = repo.lookup("tip") # update to tip else: