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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/p0003-delta-base-cache.sh | |
parent | Initial commit. (diff) | |
download | git-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/p0003-delta-base-cache.sh')
-rwxr-xr-x | t/perf/p0003-delta-base-cache.sh | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/t/perf/p0003-delta-base-cache.sh b/t/perf/p0003-delta-base-cache.sh new file mode 100755 index 0000000..62369ea --- /dev/null +++ b/t/perf/p0003-delta-base-cache.sh @@ -0,0 +1,31 @@ +#!/bin/sh + +test_description='Test operations that emphasize the delta base cache. + +We look at both "log --raw", which should put only trees into the delta cache, +and "log -Sfoo --raw", which should look at both trees and blobs. + +Any effects will be emphasized if the test repository is fully packed (loose +objects obviously do not use the delta base cache at all). It is also +emphasized if the pack has long delta chains (e.g., as produced by "gc +--aggressive"), though cache is still quite noticeable even with the default +depth of 50. + +The setting of core.deltaBaseCacheLimit in the source repository is also +relevant (depending on the size of your test repo), so be sure it is consistent +between runs. +' +. ./perf-lib.sh + +test_perf_large_repo + +# puts mostly trees into the delta base cache +test_perf 'log --raw' ' + git log --raw >/dev/null +' + +test_perf 'log -S' ' + git log --raw -Sfoo >/dev/null +' + +test_done |