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| -rwxr-xr-x | t/perf/p5311-pack-bitmaps-fetch.sh | 45 |
1 files changed, 45 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 0000000000..b04575951f --- /dev/null +++ b/t/perf/p5311-pack-bitmaps-fetch.sh @@ -0,0 +1,45 @@ +#!/bin/sh + +test_description='performance of fetches from bitmapped packs' +. ./perf-lib.sh + +test_perf_default_repo + +test_expect_success 'create bitmapped server repo' ' + git config pack.writebitmaps true && + git config pack.writebitmaphashcache true && + 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" ' + git pack-objects --stdout --revs \ + --thin --delta-base-offset \ + <revs >tmp.pack + ' + + test_size "size $title" ' + wc -c <tmp.pack + ' + + test_perf "client $title" ' + git index-pack --stdin --fix-thin <tmp.pack + ' +done + +test_done |