Patchwork D4148: perf: add a command to benchmark linelog edits

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Submitter phabricator
Date Aug. 7, 2018, 4:01 p.m.
Message ID <2475ce0bdf551e9c426ce9ee59701996@localhost.localdomain>
Download mbox | patch
Permalink /patch/33408/
State Not Applicable
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phabricator - Aug. 7, 2018, 4:01 p.m.
quark updated this revision to Diff 10061.

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST UPDATE
  https://phab.mercurial-scm.org/D4148?vs=10023&id=10061

REVISION DETAIL
  https://phab.mercurial-scm.org/D4148

AFFECTED FILES
  contrib/perf.py
  tests/test-contrib-perf.t

CHANGE DETAILS




To: quark, #hg-reviewers
Cc: mercurial-devel

Patch

diff --git a/tests/test-contrib-perf.t b/tests/test-contrib-perf.t
--- a/tests/test-contrib-perf.t
+++ b/tests/test-contrib-perf.t
@@ -82,6 +82,8 @@ 
                  (no help text available)
    perfheads     (no help text available)
    perfindex     (no help text available)
+   perflinelogedits
+                 (no help text available)
    perfloadmarkers
                  benchmark the time to parse the on-disk markers for a repo
    perflog       (no help text available)
@@ -154,6 +156,7 @@ 
 #endif
   $ hg perfheads
   $ hg perfindex
+  $ hg perflinelogedits -n 1
   $ hg perfloadmarkers
   $ hg perflog
   $ hg perflookup 2
diff --git a/contrib/perf.py b/contrib/perf.py
--- a/contrib/perf.py
+++ b/contrib/perf.py
@@ -889,6 +889,34 @@ 
     timer(lambda: len(repo.lookup(rev)))
     fm.end()
 
+@command('perflinelogedits',
+         [('n', 'edits', 10000, 'number of edits'),
+          ('', 'max-hunk-lines', 10, 'max lines in a hunk'),
+         ], norepo=True)
+def perflinelogedits(ui, **opts):
+    from mercurial import linelog
+
+    edits = opts['edits']
+    maxhunklines = opts['max_hunk_lines']
+
+    def d():
+        maxb1 = 100000
+        random.seed(0)
+        randint = random.randint
+        currentlines = 0
+        ll = linelog.linelog()
+        for rev in xrange(edits):
+            a1 = randint(0, currentlines)
+            a2 = randint(a1, min(currentlines, a1 + maxhunklines))
+            b1 = randint(0, maxb1)
+            b2 = randint(b1, b1 + maxhunklines)
+            currentlines += (b2 - b1) - (a2 - a1)
+            ll.replacelines(rev, a1, a2, b1, b2)
+
+    timer, fm = gettimer(ui, opts)
+    timer(d)
+    fm.end()
+
 @command('perfrevrange', formatteropts)
 def perfrevrange(ui, repo, *specs, **opts):
     timer, fm = gettimer(ui, opts)