# HG changeset patch
# User Boris Feld <boris.f...@octobus.net>
# Date 1541429851 -3600
# Mon Nov 05 15:57:31 2018 +0100
# Node ID 38a806e71d59917d4af67d159368ed75d3939fdd
# Parent d3de1f9690311ba4558a19fd70bcd88e74ffd60b
# EXP-Topic revlog-perf
# Available At https://bitbucket.org/octobus/mercurial-devel/
# hg pull https://bitbucket.org/octobus/mercurial-devel/ -r
38a806e71d59
perf: add a lazydeltabase option to perfrevlogwrite
The option controls if we'll test the provided delta first. This is the current
default behavior for unbundle.
diff --git a/contrib/perf.py b/contrib/perf.py
--- a/contrib/perf.py
+++ b/contrib/perf.py
@@ -1573,6 +1573,7 @@ def perfrevlogrevisions(ui, repo, file_=
(b'', b'count', 3, b'last revision to write'),
(b'', b'details', False, b'print timing for every revisions tested'),
(b'', b'source', b'full', b'the kind of data feed in the revlog'),
+ (b'', b'lazydeltabase', True, b'try the provided delta first'),
],
b'-c|-m|FILE')
def perfrevlogwrite(ui, repo, file_=None, startrev=1000, stoprev=-1, **opts):
@@ -1595,6 +1596,7 @@ def perfrevlogwrite(ui, repo, file_=None
if stoprev < 0:
stoprev = rllen + stoprev
+ lazydeltabase = opts['lazydeltabase']
source = opts['source']
validsource = (b'full', b'parent-1', b'parent-2', b'parent-smallest',
b'storage')
@@ -1607,7 +1609,8 @@ def perfrevlogwrite(ui, repo, file_=None
raise error.Abort('invalide run count: %d' % count)
allresults = []
for c in range(count):
- timing = _timeonewrite(ui, rl, source, startrev, stoprev, c + 1)
+ timing = _timeonewrite(ui, rl, source, startrev, stoprev, c + 1,
+ lazydeltabase=lazydeltabase)
allresults.append(timing)
### consolidate the results in a single list
@@ -1670,10 +1673,12 @@ class _faketr(object):
def add(s, x, y, z=None):
return None
-def _timeonewrite(ui, orig, source, startrev, stoprev, runidx=None):
+def _timeonewrite(ui, orig, source, startrev, stoprev, runidx=None,
+ lazydeltabase=True):
timings = []
tr = _faketr()
with _temprevlog(ui, orig, startrev) as dest:
+ dest._lazydeltabase = lazydeltabase
revs = list(orig.revs(startrev, stoprev))
total = len(revs)
topic = 'adding'
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