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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:47:53 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:47:53 +0000
commitc8bae7493d2f2910b57f13ded012e86bdcfb0532 (patch)
tree24e09d9f84dec336720cf393e156089ca2835791 /t/perf/p5302-pack-index.sh
parentInitial commit. (diff)
downloadgit-17a789943131483bc454986d1be6da6caaabce8c.tar.xz
git-17a789943131483bc454986d1be6da6caaabce8c.zip
Adding upstream version 1:2.39.2.upstream/1%2.39.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 't/perf/p5302-pack-index.sh')
-rwxr-xr-xt/perf/p5302-pack-index.sh50
1 files changed, 50 insertions, 0 deletions
diff --git a/t/perf/p5302-pack-index.sh b/t/perf/p5302-pack-index.sh
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+++ b/t/perf/p5302-pack-index.sh
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+#!/bin/sh
+
+test_description="Tests index-pack performance"
+
+. ./perf-lib.sh
+
+test_perf_large_repo
+
+test_expect_success 'repack' '
+ git repack -ad &&
+ PACK=$(ls .git/objects/pack/*.pack | head -n1) &&
+ test -f "$PACK" &&
+ export PACK
+'
+
+# Rather than counting up and doubling each time, count down from the endpoint,
+# halving each time. That ensures that our final test uses as many threads as
+# CPUs, even if it isn't a power of 2.
+test_expect_success 'set up thread-counting tests' '
+ t=$(test-tool online-cpus) &&
+ threads= &&
+ while test $t -gt 0
+ do
+ threads="$t $threads" &&
+ t=$((t / 2)) || return 1
+ done
+'
+
+test_perf 'index-pack 0 threads' --prereq PERF_EXTRA \
+ --setup 'rm -rf repo.git && git init --bare repo.git' '
+ GIT_DIR=repo.git git index-pack --threads=1 --stdin < $PACK
+'
+
+for t in $threads
+do
+ THREADS=$t
+ export THREADS
+ test_perf "index-pack $t threads" --prereq PERF_EXTRA \
+ --setup 'rm -rf repo.git && git init --bare repo.git' '
+ GIT_DIR=repo.git GIT_FORCE_THREADS=1 \
+ git index-pack --threads=$THREADS --stdin <$PACK
+ '
+done
+
+test_perf 'index-pack default number of threads' \
+ --setup 'rm -rf repo.git && git init --bare repo.git' '
+ GIT_DIR=repo.git git index-pack --stdin < $PACK
+'
+
+test_done