Mercurial > hg
view contrib/perf.py @ 8589:3edf133dcb5a
dirstate: skip step 3 in walk if nothing new will match
nothing will ever match on match.never
nothing new will match on match.exact (all found in step 1)
nothing new will match on match.match when
there is no pattern and
there is no direcory in pats
author | Simon Heimberg <simohe@besonet.ch> |
---|---|
date | Thu, 14 May 2009 19:54:26 +0200 |
parents | f680a1bd679b |
children | 284fda4cd093 |
line wrap: on
line source
# perf.py - performance test routines from mercurial.i18n import _ from mercurial import cmdutil, match, commands import time, os, sys def timer(func): results = [] begin = time.time() count = 0 while 1: ostart = os.times() cstart = time.time() r = func() cstop = time.time() ostop = os.times() count += 1 a, b = ostart, ostop results.append((cstop - cstart, b[0] - a[0], b[1]-a[1])) if cstop - begin > 3 and count >= 100: break if cstop - begin > 10 and count >= 3: break if r: sys.stderr.write("! result: %s\n" % r) m = min(results) sys.stderr.write("! wall %f comb %f user %f sys %f (best of %d)\n" % (m[0], m[1] + m[2], m[1], m[2], count)) def perfwalk(ui, repo, *pats): try: m = cmdutil.match(repo, pats, {}) timer(lambda: len(list(repo.dirstate.walk(m, True, False)))) except: try: m = cmdutil.match(repo, pats, {}) timer(lambda: len([b for a,b,c in repo.dirstate.statwalk([], m)])) except: timer(lambda: len(list(cmdutil.walk(repo, pats, {})))) def perfstatus(ui, repo, *pats): #m = match.always(repo.root, repo.getcwd()) #timer(lambda: sum(map(len, repo.dirstate.status(m, False, False, False)))) timer(lambda: sum(map(len, repo.status()))) def perfheads(ui, repo): timer(lambda: len(repo.changelog.heads())) def perftags(ui, repo): import mercurial.changelog, mercurial.manifest def t(): repo.changelog = mercurial.changelog.changelog(repo.sopener) repo.manifest = mercurial.manifest.manifest(repo.sopener) repo.tagscache = None return len(repo.tags()) timer(t) def perfdirstate(ui, repo): "a" in repo.dirstate def d(): repo.dirstate.invalidate() "a" in repo.dirstate timer(d) def perfdirstatedirs(ui, repo): "a" in repo.dirstate def d(): "a" in repo.dirstate._dirs del repo.dirstate._dirs timer(d) def perfmanifest(ui, repo): def d(): t = repo.manifest.tip() m = repo.manifest.read(t) repo.manifest.mapcache = None repo.manifest._cache = None timer(d) def perfindex(ui, repo): import mercurial.changelog def d(): t = repo.changelog.tip() repo.changelog = mercurial.changelog.changelog(repo.sopener) repo.changelog._loadindexmap() timer(d) def perfstartup(ui, repo): cmd = sys.argv[0] def d(): os.system("HGRCPATH= %s version -q > /dev/null" % cmd) timer(d) def perfparents(ui, repo): nl = [repo.changelog.node(i) for i in xrange(1000)] def d(): for n in nl: repo.changelog.parents(n) timer(d) def perflookup(ui, repo, rev): timer(lambda: len(repo.lookup(rev))) def perflog(ui, repo): ui.pushbuffer() timer(lambda: commands.log(ui, repo, rev=[], date='', user='')) ui.popbuffer() def perftemplating(ui, repo): ui.pushbuffer() timer(lambda: commands.log(ui, repo, rev=[], date='', user='', template='{date|shortdate} [{rev}:{node|short}]' ' {author|person}: {desc|firstline}\n')) ui.popbuffer() cmdtable = { 'perflookup': (perflookup, []), 'perfparents': (perfparents, []), 'perfstartup': (perfstartup, []), 'perfstatus': (perfstatus, []), 'perfwalk': (perfwalk, []), 'perfmanifest': (perfmanifest, []), 'perfindex': (perfindex, []), 'perfheads': (perfheads, []), 'perftags': (perftags, []), 'perfdirstate': (perfdirstate, []), 'perfdirstatedirs': (perfdirstate, []), 'perflog': (perflog, []), 'perftemplating': (perftemplating, []), }