diff options
Diffstat (limited to 'third_party/git/t/perf/p0004-lazy-init-name-hash.sh')
| -rwxr-xr-x | third_party/git/t/perf/p0004-lazy-init-name-hash.sh | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/third_party/git/t/perf/p0004-lazy-init-name-hash.sh b/third_party/git/t/perf/p0004-lazy-init-name-hash.sh new file mode 100755 index 0000000000..1afc08fe7f --- /dev/null +++ b/third_party/git/t/perf/p0004-lazy-init-name-hash.sh @@ -0,0 +1,56 @@ +#!/bin/sh + +test_description='Tests multi-threaded lazy_init_name_hash' +. ./perf-lib.sh + +test_perf_large_repo +test_checkout_worktree + +test_expect_success 'verify both methods build the same hashmaps' ' + test-tool lazy-init-name-hash --dump --single >out.single && + if test-tool lazy-init-name-hash --dump --multi >out.multi + then + test_set_prereq REPO_BIG_ENOUGH_FOR_MULTI && + sort <out.single >sorted.single && + sort <out.multi >sorted.multi && + test_cmp sorted.single sorted.multi + fi +' + +test_expect_success 'calibrate' ' + entries=$(wc -l <out.single) && + + case $entries in + ?) count=1000000 ;; + ??) count=100000 ;; + ???) count=10000 ;; + ????) count=1000 ;; + ?????) count=100 ;; + ??????) count=10 ;; + *) count=1 ;; + esac && + export count && + + case $entries in + 1) entries_desc="1 entry" ;; + *) entries_desc="$entries entries" ;; + esac && + + case $count in + 1) count_desc="1 round" ;; + *) count_desc="$count rounds" ;; + esac && + + desc="$entries_desc, $count_desc" && + export desc +' + +test_perf "single-threaded, $desc" " + test-tool lazy-init-name-hash --single --count=$count +" + +test_perf REPO_BIG_ENOUGH_FOR_MULTI "multi-threaded, $desc" " + test-tool lazy-init-name-hash --multi --count=$count +" + +test_done |