| 1 | #!/bin/sh |
| 2 | |
| 3 | test_description="Tests index-pack performance" |
| 4 | |
| 5 | . ./perf-lib.sh |
| 6 | |
| 7 | test_perf_large_repo |
| 8 | |
| 9 | test_expect_success 'repack' ' |
| 10 | git repack -ad && |
| 11 | PACK=$(ls .git/objects/pack/*.pack | head -n1) && |
| 12 | test -f "$PACK" && |
| 13 | export PACK |
| 14 | ' |
| 15 | |
| 16 | # Rather than counting up and doubling each time, count down from the endpoint, |
| 17 | # halving each time. That ensures that our final test uses as many threads as |
| 18 | # CPUs, even if it isn't a power of 2. |
| 19 | test_expect_success 'set up thread-counting tests' ' |
| 20 | t=$(test-tool online-cpus) && |
| 21 | threads= && |
| 22 | while test $t -gt 0 |
| 23 | do |
| 24 | threads="$t $threads" && |
| 25 | t=$((t / 2)) || return 1 |
| 26 | done |
| 27 | ' |
| 28 | |
| 29 | test_perf 'index-pack 0 threads' --prereq PERF_EXTRA \ |
| 30 | --setup 'rm -rf repo.git && git init --bare repo.git' ' |
| 31 | GIT_DIR=repo.git git index-pack --threads=1 --stdin < $PACK |
| 32 | ' |
| 33 | |
| 34 | for t in $threads |
| 35 | do |
| 36 | THREADS=$t |
| 37 | export THREADS |
| 38 | test_perf "index-pack $t threads" --prereq PERF_EXTRA \ |
| 39 | --setup 'rm -rf repo.git && git init --bare repo.git' ' |
| 40 | GIT_DIR=repo.git GIT_FORCE_THREADS=1 \ |
| 41 | git index-pack --threads=$THREADS --stdin <$PACK |
| 42 | ' |
| 43 | done |
| 44 | |
| 45 | test_perf 'index-pack default number of threads' \ |
| 46 | --setup 'rm -rf repo.git && git init --bare repo.git' ' |
| 47 | GIT_DIR=repo.git git index-pack --stdin < $PACK |
| 48 | ' |
| 49 | |
| 50 | test_done |