tests/test-gendoc.t
author Gregory Szorc <gregory.szorc@gmail.com>
Thu, 23 Mar 2017 19:54:59 -0700
branchstable
changeset 31587 ed5b25874d99
parent 28809 7a1ad08b9ff5
child 32940 75be14993fda
permissions -rw-r--r--
changegroup: store old heads as a set Previously, the "oldheads" variable was a list. On a repository at Mozilla with 46,492 heads, profiling revealed that list membership testing was dominating execution time of applying small changegroups. This patch converts the list of old heads to a set. This makes membership testing significantly faster. On the aforementioned repository with 46,492 heads: $ hg unbundle <file with 1 changeset> before: 18.535s wall after: 1.303s Consumers of this variable only check for truthiness (`if oldheads`), length (`len(oldheads)`), and (most importantly) item membership (`h not in oldheads` - which occurs twice). So, the change to a set should be safe and suitable for stable. The practical effect of this change is that changegroup application and related operations (like `hg push`) no longer exhibit an O(n^2) CPU explosion as the number of heads grows.
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#require docutils
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#require gettext
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Test document extraction
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  $ HGENCODING=UTF-8
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  $ export HGENCODING
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  $ { echo C; ls "$TESTDIR/../i18n"/*.po | sort; } | while read PO; do
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  >     LOCALE=`basename "$PO" .po`
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  >     echo "% extracting documentation from $LOCALE"
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  >     LANGUAGE=$LOCALE python "$TESTDIR/../doc/gendoc.py" >> gendoc-$LOCALE.txt 2> /dev/null || exit
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  > 
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  >     if [ $LOCALE != C ]; then
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  >         if [ ! -f $TESTDIR/test-gendoc-$LOCALE.t ]; then
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  >             echo missing test-gendoc-$LOCALE.t
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  >         fi
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  >         cmp -s gendoc-C.txt gendoc-$LOCALE.txt && echo "** NOTHING TRANSLATED ($LOCALE) **"
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  >     fi
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  > done; true
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  % extracting documentation from C
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