Mercurial > hg
view tests/test-convert-tla.t @ 23031:3c0983cc279e
i18n: cache the result of every gettext call
In looking at profiler output for 'hg log' on mozilla-central, I
noticed we spent a _huge_ amount of time in gettext relative to what
it's doing. Caching provides a roughly 15% performance improvement
even on repositories as small as hg.
== hg repo on linux ==
Before:
% cumulative self
time seconds seconds name
5.05 0.19 0.19 i18n.py:62:gettext
4.84 0.18 0.18 revlog.py:88:decompress
2.95 0.17 0.11 changelog.py:201:node
2.32 0.09 0.09 ui.py:577:write
2.11 0.08 0.08 i18n.py:72:gettext
2.11 0.08 0.08 obsolete.py:196:_fm0readmarkers
1.89 0.07 0.07 obsolete.py:569:_load
1.68 0.63 0.06 localrepo.py:29:__get__
real 0m4.026s
user 0m3.993s
sys 0m0.034s
After:
% cumulative self
time seconds seconds name
8.05 0.26 0.26 revlog.py:88:decompress
2.68 0.22 0.09 color.py:395:write
2.20 0.07 0.07 obsolete.py:196:_fm0readmarkers
1.95 0.06 0.06 obsolete.py:174:_fm0readmarkers
1.95 0.06 0.06 ui.py:577:write
1.95 0.06 0.06 util.py:1228:datestr
1.71 0.06 0.06 utf_8.py:16:decode
1.71 0.06 0.06 revlog.py:273:__len__
real 0m3.519s
user 0m3.447s
sys 0m0.073s
== mozilla-central repo on linux ==
Before:
% cumulative self
time seconds seconds name
7.72 2.35 2.35 revlog.py:88:decompress
4.46 1.36 1.36 i18n.py:62:gettext
2.22 0.67 0.67 i18n.py:72:gettext
2.19 1.14 0.67 changelog.py:201:node
2.16 0.66 0.66 ui.py:577:write
1.96 0.60 0.60 utf_8.py:16:decode
1.93 1.97 0.59 color.py:395:write
1.85 0.81 0.56 changelog.py:136:tip
real 0m30.822s
user 0m30.660s
sys 0m0.149s
After:
% cumulative self
time seconds seconds name
9.82 2.49 2.49 revlog.py:88:decompress
2.67 1.31 0.68 localrepo.py:29:__get__
2.57 0.65 0.65 utf_8.py:16:decode
2.48 1.01 0.63 changelog.py:201:node
2.10 0.82 0.53 changelog.py:136:tip
2.01 0.51 0.51 ui.py:577:write
1.91 0.49 0.49 util.py:1232:datestr
1.85 1.65 0.47 color.py:395:write
real 0m25.619s
user 0m25.446s
sys 0m0.166s
== cpython repo on os x =
Before:
% cumulative self
time seconds seconds name
5.05 1.35 1.35 cmdutil.py:982:_show
4.59 1.22 1.22 revlog.py:274:__len__
3.98 1.06 1.06 i18n.py:62:gettext
3.91 1.04 1.04 revlog.py:1016:revision
3.68 0.98 0.98 revlog.py:337:parents
3.45 0.92 0.92 revlog.py:88:decompress
2.91 0.78 0.78 revlog.py:309:rev
2.62 0.70 0.70 revlog.py:1033:revision
real 0m30.414s
user 0m28.145s
sys 0m0.541s
After:
% cumulative self
time seconds seconds name
7.98 1.66 1.66 cmdutil.py:982:_show
6.83 1.42 1.42 changelog.py:46:decodeextra
5.18 1.08 1.08 revlog.py:274:__len__
3.94 0.82 0.82 revlog.py:1016:revision
3.41 0.71 0.71 revlog.py:309:rev
3.32 0.69 0.69 revlog.py:88:decompress
2.99 0.63 0.62 revlog.py:1033:revision
2.69 0.56 0.56 revlog.py:341:start
real 0m22.811s
user 0m21.883s
sys 0m0.397s
author | Augie Fackler <raf@durin42.com> |
---|---|
date | Fri, 17 Oct 2014 13:52:10 -0400 |
parents | 7a9cbb315d84 |
children | 561a019c0268 |
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#require tla symlink $ tla my-id "mercurial <mercurial@selenic.com>" $ echo "[extensions]" >> $HGRCPATH $ echo "convert=" >> $HGRCPATH create tla archive $ tla make-archive tla@mercurial--convert `pwd`/hg-test-convert-tla initialize tla repo $ mkdir tla-repo $ cd tla-repo/ $ tla init-tree tla@mercurial--convert/tla--test--0 $ tla import * creating version tla@mercurial--convert/tla--test--0 * imported tla@mercurial--convert/tla--test--0 create initial files $ echo 'this is a file' > a $ tla add a $ mkdir src $ tla add src $ cd src $ dd count=1 if=/dev/zero of=b > /dev/null 2> /dev/null $ tla add b $ tla commit -s "added a file, src and src/b (binary)" A/ .arch-ids A/ src A/ src/.arch-ids A .arch-ids/a.id A a A src/.arch-ids/=id A src/.arch-ids/b.id A src/b * update pristine tree (tla@mercurial--convert/tla--test--0--base-0 => tla--test--0--patch-1) * committed tla@mercurial--convert/tla--test--0--patch-1 create link file and modify a $ ln -s ../a a-link $ tla add a-link $ echo 'this a modification to a' >> ../a $ tla commit -s "added link to a and modify a" A src/.arch-ids/a-link.id A src/a-link M a * update pristine tree (tla@mercurial--convert/tla--test--0--patch-1 => tla--test--0--patch-2) * committed tla@mercurial--convert/tla--test--0--patch-2 create second link and modify b $ ln -s ../a a-link-2 $ tla add a-link-2 $ dd count=1 seek=1 if=/dev/zero of=b > /dev/null 2> /dev/null $ tla commit -s "added second link and modify b" A src/.arch-ids/a-link-2.id A src/a-link-2 Mb src/b * update pristine tree (tla@mercurial--convert/tla--test--0--patch-2 => tla--test--0--patch-3) * committed tla@mercurial--convert/tla--test--0--patch-3 b file to link and a-link-2 to regular file $ rm -f a-link-2 $ echo 'this is now a regular file' > a-link-2 $ ln -sf ../a b $ tla commit -s "file to link and link to file test" fl src/b lf src/a-link-2 * update pristine tree (tla@mercurial--convert/tla--test--0--patch-3 => tla--test--0--patch-4) * committed tla@mercurial--convert/tla--test--0--patch-4 move a-link-2 file and src directory $ cd .. $ tla mv src/a-link-2 c $ tla mv src test $ tla commit -s "move and rename a-link-2 file and src directory" D/ src/.arch-ids A/ test/.arch-ids /> src test => src/.arch-ids/a-link-2.id .arch-ids/c.id => src/a-link-2 c => src/.arch-ids/=id test/.arch-ids/=id => src/.arch-ids/a-link.id test/.arch-ids/a-link.id => src/.arch-ids/b.id test/.arch-ids/b.id * update pristine tree (tla@mercurial--convert/tla--test--0--patch-4 => tla--test--0--patch-5) * committed tla@mercurial--convert/tla--test--0--patch-5 $ cd .. converting tla repo to Mercurial $ hg convert tla-repo tla-repo-hg initializing destination tla-repo-hg repository analyzing tree version tla@mercurial--convert/tla--test--0... scanning source... sorting... converting... 5 initial import 4 added a file, src and src/b (binary) 3 added link to a and modify a 2 added second link and modify b 1 file to link and link to file test 0 move and rename a-link-2 file and src directory $ tla register-archive -d tla@mercurial--convert $ glog() > { > hg log -G --template '{rev} "{desc|firstline}" files: {files}\n' "$@" > } show graph log $ glog -R tla-repo-hg o 5 "move and rename a-link-2 file and src directory" files: c src/a-link src/a-link-2 src/b test/a-link test/b | o 4 "file to link and link to file test" files: src/a-link-2 src/b | o 3 "added second link and modify b" files: src/a-link-2 src/b | o 2 "added link to a and modify a" files: a src/a-link | o 1 "added a file, src and src/b (binary)" files: a src/b | o 0 "initial import" files: $ hg up -q -R tla-repo-hg $ hg -R tla-repo-hg manifest --debug c4072c4b72e1cabace081888efa148ee80ca3cbb 644 a 0201ac32a3a8e86e303dff60366382a54b48a72e 644 c c0067ba5ff0b7c9a3eb17270839d04614c435623 644 @ test/a-link 375f4263d86feacdea7e3c27100abd1560f2a973 644 @ test/b