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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:47:53 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:47:53 +0000 |
commit | c8bae7493d2f2910b57f13ded012e86bdcfb0532 (patch) | |
tree | 24e09d9f84dec336720cf393e156089ca2835791 /t/perf/p5311-pack-bitmaps-fetch.sh | |
parent | Initial commit. (diff) | |
download | git-c8bae7493d2f2910b57f13ded012e86bdcfb0532.tar.xz git-c8bae7493d2f2910b57f13ded012e86bdcfb0532.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/p5311-pack-bitmaps-fetch.sh')
-rwxr-xr-x | t/perf/p5311-pack-bitmaps-fetch.sh | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/t/perf/p5311-pack-bitmaps-fetch.sh b/t/perf/p5311-pack-bitmaps-fetch.sh new file mode 100755 index 0000000..426fab8 --- /dev/null +++ b/t/perf/p5311-pack-bitmaps-fetch.sh @@ -0,0 +1,54 @@ +#!/bin/sh + +test_description='performance of fetches from bitmapped packs' +. ./perf-lib.sh + +test_fetch_bitmaps () { + test_expect_success 'setup test directory' ' + rm -fr * .git + ' + + test_perf_default_repo + + test_expect_success 'create bitmapped server repo' ' + git config pack.writebitmaps true && + git config pack.writeBitmapLookupTable '"$1"' && + git repack -ad + ' + + # simulate a fetch from a repository that last fetched N days ago, for + # various values of N. We do so by following the first-parent chain, + # and assume the first entry in the chain that is N days older than the current + # HEAD is where the HEAD would have been then. + for days in 1 2 4 8 16 32 64 128; do + title=$(printf '%10s' "($days days)") + test_expect_success "setup revs from $days days ago" ' + now=$(git log -1 --format=%ct HEAD) && + then=$(($now - ($days * 86400))) && + tip=$(git rev-list -1 --first-parent --until=$then HEAD) && + { + echo HEAD && + echo ^$tip + } >revs + ' + + test_perf "server $title (lookup=$1)" ' + git pack-objects --stdout --revs \ + --thin --delta-base-offset \ + <revs >tmp.pack + ' + + test_size "size $title" ' + wc -c <tmp.pack + ' + + test_perf "client $title (lookup=$1)" ' + git index-pack --stdin --fix-thin <tmp.pack + ' + done +} + +test_fetch_bitmaps true +test_fetch_bitmaps false + +test_done |