treemanifests: remove _loadalllazy in _diff()
The benchmarks below use a similar setup as in ee7ee0c516ca and my other recent
commits. Yes, in some cases this runs in literally 5% of the time it
previously took.
before = a6f8ab53
diff --git:
repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before
------+---+---+------------------------+-----------------------+------------
m-u | | | 1.301 s +- 0.004 s | 1.309 s +- 0.012 s | 100.6%
m-u | | x | 1.303 s +- 0.009 s | 1.302 s +- 0.006 s | 99.9%
m-u | x | | 1.308 s +- 0.006 s | 1.309 s +- 0.007 s | 100.1%
m-u | x | x | 85.7 ms +- 0.6 ms | 86.0 ms +- 0.3 ms | 100.4%
l-d-r | | | 197.5 ms +- 0.7 ms | 197.8 ms +- 2.2 ms | 100.2%
l-d-r | | x | 199.4 ms +- 0.6 ms | 199.3 ms +- 0.9 ms | 99.9%
l-d-r | x | | 86.1 ms +- 0.5 ms | 85.8 ms +- 0.9 ms | 99.7%
l-d-r | x | x | 64.4 ms +- 0.4 ms | 64.4 ms +- 0.3 ms | 100.0%
diff -c . --git:
repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before
------+---+---+------------------------+-----------------------+------------
m-u | | | 236.7 ms +- 1.1 ms | 236.5 ms +- 1.3 ms | 99.9%
m-u | | x | 158.7 ms +- 1.0 ms | 128.0 ms +- 1.0 ms | 80.7% <--
m-u | x | | 239.7 ms +- 1.8 ms | 238.1 ms +- 1.5 ms | 99.3%
m-u | x | x | 132.4 ms +- 0.9 ms | 132.3 ms +- 0.6 ms | 99.9%
l-d-r | | | 81.8 ms +- 0.4 ms | 81.8 ms +- 0.3 ms | 100.0%
l-d-r | | x | 3.894 s +- 0.017 s | 193.6 ms +- 0.4 ms | 5.0% <--
l-d-r | x | | 106.9 ms +- 0.4 ms | 106.6 ms +- 0.3 ms | 99.7%
l-d-r | x | x | 182.7 ms +- 0.8 ms | 183.3 ms +- 0.9 ms | 100.3%
rebase -r . --keep -d .^^:
repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before
------+---+---+------------------------+-----------------------+------------
m-u | | | 5.615 s +- 0.109 s | 5.562 s +- 0.015 s | 99.1%
m-u | | x | 5.701 s +- 0.027 s | 5.715 s +- 0.023 s | 100.2%
m-u | x | | 5.572 s +- 0.128 s | 5.613 s +- 0.182 s | 100.7%
m-u | x | x | 633.3 ms +- 28.7 ms | 636.2 ms +- 13.8 ms | 100.5%
l-d-r | | | 666.4 ms +- 17.0 ms | 658.5 ms +- 9.3 ms | 98.8%
l-d-r | | x | 6.520 s +- 0.070 s | 6.505 s +- 0.026 s | 99.8%
l-d-r | x | | 279.0 ms +- 13.0 ms | 276.5 ms +- 4.7 ms | 99.1%
l-d-r | x | x | 1.636 s +- 0.058 s | 1.657 s +- 0.014 s | 101.3%
status --change . --copies:
repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before
------+---+---+------------------------+-----------------------+------------
m-u | | | 218.6 ms +- 1.4 ms | 217.9 ms +- 1.5 ms | 99.7%
m-u | | x | 138.5 ms +- 0.4 ms | 108.4 ms +- 0.2 ms | 78.3% <--
m-u | x | | 220.1 ms +- 1.3 ms | 219.7 ms +- 1.5 ms | 99.8%
m-u | x | x | 113.2 ms +- 0.4 ms | 112.4 ms +- 0.8 ms | 99.3%
l-d-r | | | 80.2 ms +- 0.3 ms | 80.6 ms +- 0.6 ms | 100.5%
l-d-r | | x | 3.899 s +- 0.020 s | 194.8 ms +- 4.0 ms | 5.0% <--
l-d-r | x | | 83.4 ms +- 0.8 ms | 83.2 ms +- 0.2 ms | 99.8%
l-d-r | x | x | 732.2 ms +- 4.3 ms | 194.9 ms +- 1.0 ms | 26.6% <--
status --copies:
repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before
------+---+---+------------------------+-----------------------+------------
m-u | | | 1.917 s +- 0.005 s | 1.914 s +- 0.004 s | 99.8%
m-u | | x | 1.909 s +- 0.012 s | 1.934 s +- 0.004 s | 101.3%
m-u | x | | 1.915 s +- 0.005 s | 1.904 s +- 0.004 s | 99.4%
m-u | x | x | 94.8 ms +- 0.3 ms | 94.7 ms +- 0.2 ms | 99.9%
l-d-r | | | 593.9 ms +- 1.2 ms | 594.6 ms +- 9.4 ms | 100.1%
l-d-r | | x | 595.2 ms +- 3.8 ms | 597.2 ms +- 2.6 ms | 100.3%
l-d-r | x | | 182.5 ms +- 1.6 ms | 182.1 ms +- 0.6 ms | 99.8%
l-d-r | x | x | 149.6 ms +- 0.9 ms | 149.1 ms +- 0.8 ms | 99.7%
update $rev^; ~/src/hg/hg{hg}/hg update $rev:
repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before
------+---+---+------------------------+-----------------------+------------
m-u | | | 3.121 s +- 0.007 s | 3.129 s +- 0.012 s | 100.3%
m-u | | x | 2.972 s +- 0.011 s | 2.981 s +- 0.012 s | 100.3%
m-u | x | | 3.144 s +- 0.014 s | 3.141 s +- 0.011 s | 99.9%
m-u | x | x | 312.2 ms +- 2.4 ms | 312.3 ms +- 2.1 ms | 100.0%
l-d-r | | | 444.4 ms +- 4.3 ms | 446.9 ms +- 5.3 ms | 100.6%
l-d-r | | x | 9.159 s +- 0.069 s | 9.182 s +- 0.040 s | 100.3%
l-d-r | x | | 254.6 ms +- 1.6 ms | 255.2 ms +- 1.6 ms | 100.2%
l-d-r | x | x | 1.525 s +- 0.007 s | 1.577 s +- 0.007 s | 103.4% <--?
Differential Revision: https://phab.mercurial-scm.org/D4845
#testcases sshv1 sshv2
#if sshv2
$ cat >> $HGRCPATH << EOF
> [experimental]
> sshpeer.advertise-v2 = true
> sshserver.support-v2 = true
> EOF
#endif
$ cat > bundle2.py << EOF
> """A small extension to test bundle2 pushback parts.
> Current bundle2 implementation doesn't provide a way to generate those
> parts, so they must be created by extensions.
> """
> from __future__ import absolute_import
> from mercurial import bundle2, exchange, pushkey, util
> def _newhandlechangegroup(op, inpart):
> """This function wraps the changegroup part handler for getbundle.
> It issues an additional pushkey part to send a new
> bookmark back to the client"""
> result = bundle2.handlechangegroup(op, inpart)
> if b'pushback' in op.reply.capabilities:
> params = {b'namespace': b'bookmarks',
> b'key': b'new-server-mark',
> b'old': b'',
> b'new': b'tip'}
> encodedparams = [(k, pushkey.encode(v)) for (k,v) in params.items()]
> op.reply.newpart(b'pushkey', mandatoryparams=encodedparams)
> else:
> op.reply.newpart(b'output', data=b'pushback not enabled')
> return result
> _newhandlechangegroup.params = bundle2.handlechangegroup.params
> bundle2.parthandlermapping[b'changegroup'] = _newhandlechangegroup
> EOF
$ cat >> $HGRCPATH <<EOF
> [ui]
> ssh = "$PYTHON" "$TESTDIR/dummyssh"
> username = nobody <no.reply@example.com>
>
> [alias]
> tglog = log -G -T "{desc} [{phase}:{node|short}]"
> EOF
Set up server repository
$ hg init server
$ cd server
$ echo c0 > f0
$ hg commit -Am 0
adding f0
Set up client repository
$ cd ..
$ hg clone ssh://user@dummy/server client -q
$ cd client
Enable extension
$ cat >> $HGRCPATH <<EOF
> [extensions]
> bundle2=$TESTTMP/bundle2.py
> EOF
Without config
$ cd ../client
$ echo c1 > f1
$ hg commit -Am 1
adding f1
$ hg push
pushing to ssh://user@dummy/server
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 1 changesets with 1 changes to 1 files
remote: pushback not enabled
$ hg bookmark
no bookmarks set
$ cd ../server
$ hg tglog
o 1 [public:2b9c7234e035]
|
@ 0 [public:6cee5c8f3e5b]
With config
$ cd ../client
$ echo '[experimental]' >> .hg/hgrc
$ echo 'bundle2.pushback = True' >> .hg/hgrc
$ echo c2 > f2
$ hg commit -Am 2
adding f2
$ hg push
pushing to ssh://user@dummy/server
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 1 changesets with 1 changes to 1 files
$ hg bookmark
new-server-mark 2:0a76dfb2e179
$ cd ../server
$ hg tglog
o 2 [public:0a76dfb2e179]
|
o 1 [public:2b9c7234e035]
|
@ 0 [public:6cee5c8f3e5b]