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Automatic diff as part of commit; lint not applicable. - Unit
Automatic diff as part of commit; unit tests not applicable.
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Differential D1971
perf: add a perfunidiff command for benchmarking unified diff speedClosedPublic
perf: add a perfunidiff command for benchmarking unified diff speed
ClosedPublic
Authored by durin42 on Feb 1 2018, 4:58 PM.
Revision Contents
Revision Contents
| Path | Packages | |||
|---|---|---|---|---|
| M | contrib/perf.py (65 lines) | |||
| M | tests/test-contrib-perf.t (3 lines) |
Diff 5102
Diff 5102
contrib/perf.py
| if withthreads: | if withthreads: | ||||
| done.set() | done.set() | ||||
| for i in xrange(threads): | for i in xrange(threads): | ||||
| q.put(None) | q.put(None) | ||||
| with ready: | with ready: | ||||
| ready.notify_all() | ready.notify_all() | ||||
| @command('perfunidiff', revlogopts + formatteropts + [ | |||||
| ('', 'count', 1, 'number of revisions to test (when using --startrev)'), | |||||
| ('', 'alldata', False, 'test unidiffs for all associated revisions'), | |||||
| ], '-c|-m|FILE REV') | |||||
| def perfunidiff(ui, repo, file_, rev=None, count=None, **opts): | |||||
| """benchmark a unified diff between revisions | |||||
| This doesn't include any copy tracing - it's just a unified diff | |||||
| of the texts. | |||||
| By default, benchmark a diff between its delta parent and itself. | |||||
| With ``--count``, benchmark diffs between delta parents and self for N | |||||
| revisions starting at the specified revision. | |||||
| With ``--alldata``, assume the requested revision is a changeset and | |||||
| measure diffs for all changes related to that changeset (manifest | |||||
| and filelogs). | |||||
| """ | |||||
| if opts['alldata']: | |||||
| opts['changelog'] = True | |||||
| if opts.get('changelog') or opts.get('manifest'): | |||||
| file_, rev = None, file_ | |||||
| elif rev is None: | |||||
| raise error.CommandError('perfunidiff', 'invalid arguments') | |||||
| textpairs = [] | |||||
| r = cmdutil.openrevlog(repo, 'perfunidiff', file_, opts) | |||||
| startrev = r.rev(r.lookup(rev)) | |||||
| for rev in range(startrev, min(startrev + count, len(r) - 1)): | |||||
| if opts['alldata']: | |||||
| # Load revisions associated with changeset. | |||||
| ctx = repo[rev] | |||||
| mtext = repo.manifestlog._revlog.revision(ctx.manifestnode()) | |||||
| for pctx in ctx.parents(): | |||||
| pman = repo.manifestlog._revlog.revision(pctx.manifestnode()) | |||||
| textpairs.append((pman, mtext)) | |||||
| # Load filelog revisions by iterating manifest delta. | |||||
| man = ctx.manifest() | |||||
| pman = ctx.p1().manifest() | |||||
| for filename, change in pman.diff(man).items(): | |||||
| fctx = repo.file(filename) | |||||
| f1 = fctx.revision(change[0][0] or -1) | |||||
| f2 = fctx.revision(change[1][0] or -1) | |||||
| textpairs.append((f1, f2)) | |||||
| else: | |||||
| dp = r.deltaparent(rev) | |||||
| textpairs.append((r.revision(dp), r.revision(rev))) | |||||
| def d(): | |||||
| for left, right in textpairs: | |||||
| # The date strings don't matter, so we pass empty strings. | |||||
| headerlines, hunks = mdiff.unidiff( | |||||
| left, '', right, '', 'left', 'right') | |||||
| # consume iterators in roughly the way patch.py does | |||||
| b'\n'.join(headerlines) | |||||
| b''.join(sum((list(hlines) for hrange, hlines in hunks), [])) | |||||
| timer, fm = gettimer(ui, opts) | |||||
| timer(d) | |||||
| fm.end() | |||||
| @command('perfdiffwd', formatteropts) | @command('perfdiffwd', formatteropts) | ||||
| def perfdiffwd(ui, repo, **opts): | def perfdiffwd(ui, repo, **opts): | ||||
| """Profile diff of working directory changes""" | """Profile diff of working directory changes""" | ||||
| timer, fm = gettimer(ui, opts) | timer, fm = gettimer(ui, opts) | ||||
| options = { | options = { | ||||
| 'w': 'ignore_all_space', | 'w': 'ignore_all_space', | ||||
| 'b': 'ignore_space_change', | 'b': 'ignore_space_change', | ||||
| 'B': 'ignore_blank_lines', | 'B': 'ignore_blank_lines', | ||||
tests/test-contrib-perf.t
| Benchmark reading a series of revisions from a revlog. | Benchmark reading a series of revisions from a revlog. | ||||
| perfrevrange (no help text available) | perfrevrange (no help text available) | ||||
| perfrevset benchmark the execution time of a revset | perfrevset benchmark the execution time of a revset | ||||
| perfstartup (no help text available) | perfstartup (no help text available) | ||||
| perfstatus (no help text available) | perfstatus (no help text available) | ||||
| perftags (no help text available) | perftags (no help text available) | ||||
| perftemplating | perftemplating | ||||
| (no help text available) | (no help text available) | ||||
| perfunidiff benchmark a unified diff between revisions | |||||
| perfvolatilesets | perfvolatilesets | ||||
| benchmark the computation of various volatile set | benchmark the computation of various volatile set | ||||
| perfwalk (no help text available) | perfwalk (no help text available) | ||||
| perfwrite microbenchmark ui.write | perfwrite microbenchmark ui.write | ||||
| (use 'hg help -v perfstatusext' to show built-in aliases and global options) | (use 'hg help -v perfstatusext' to show built-in aliases and global options) | ||||
| $ hg perfaddremove | $ hg perfaddremove | ||||
| $ hg perfancestors | $ hg perfancestors | ||||
| $ hg perfancestorset 2 | $ hg perfancestorset 2 | ||||
| $ hg perfannotate a | $ hg perfannotate a | ||||
| $ hg perfbdiff -c 1 | $ hg perfbdiff -c 1 | ||||
| $ hg perfbdiff --alldata 1 | $ hg perfbdiff --alldata 1 | ||||
| $ hg perfunidiff -c 1 | |||||
| $ hg perfunidiff --alldata 1 | |||||
| $ hg perfbookmarks | $ hg perfbookmarks | ||||
| $ hg perfbranchmap | $ hg perfbranchmap | ||||
| $ hg perfcca | $ hg perfcca | ||||
| $ hg perfchangegroupchangelog | $ hg perfchangegroupchangelog | ||||
| $ hg perfchangeset 2 | $ hg perfchangeset 2 | ||||
| $ hg perfctxfiles 2 | $ hg perfctxfiles 2 | ||||
| $ hg perfdiffwd | $ hg perfdiffwd | ||||
| $ hg perfdirfoldmap | $ hg perfdirfoldmap | ||||