| 1 | #!/bin/sh |
| 2 | |
| 3 | test_description='Tests multi-threaded lazy_init_name_hash' |
| 4 | . ./perf-lib.sh |
| 5 | |
| 6 | test_perf_large_repo |
| 7 | test_checkout_worktree |
| 8 | |
| 9 | test_expect_success 'verify both methods build the same hashmaps' ' |
| 10 | test-tool lazy-init-name-hash --dump --single >out.single && |
| 11 | if test-tool lazy-init-name-hash --dump --multi >out.multi |
| 12 | then |
| 13 | test_set_prereq REPO_BIG_ENOUGH_FOR_MULTI && |
| 14 | sort <out.single >sorted.single && |
| 15 | sort <out.multi >sorted.multi && |
| 16 | test_cmp sorted.single sorted.multi |
| 17 | fi |
| 18 | ' |
| 19 | |
| 20 | test_expect_success 'calibrate' ' |
| 21 | entries=$(wc -l <out.single) && |
| 22 | |
| 23 | case $entries in |
| 24 | ?) count=1000000 ;; |
| 25 | ??) count=100000 ;; |
| 26 | ???) count=10000 ;; |
| 27 | ????) count=1000 ;; |
| 28 | ?????) count=100 ;; |
| 29 | ??????) count=10 ;; |
| 30 | *) count=1 ;; |
| 31 | esac && |
| 32 | export count && |
| 33 | |
| 34 | case $entries in |
| 35 | 1) entries_desc="1 entry" ;; |
| 36 | *) entries_desc="$entries entries" ;; |
| 37 | esac && |
| 38 | |
| 39 | case $count in |
| 40 | 1) count_desc="1 round" ;; |
| 41 | *) count_desc="$count rounds" ;; |
| 42 | esac && |
| 43 | |
| 44 | desc="$entries_desc, $count_desc" && |
| 45 | export desc |
| 46 | ' |
| 47 | |
| 48 | test_perf "single-threaded, $desc" " |
| 49 | test-tool lazy-init-name-hash --single --count=$count |
| 50 | " |
| 51 | |
| 52 | test_perf "multi-threaded, $desc" --prereq REPO_BIG_ENOUGH_FOR_MULTI " |
| 53 | test-tool lazy-init-name-hash --multi --count=$count |
| 54 | " |
| 55 | |
| 56 | test_done |