git.oblomov.eu Git - git/blob - t/perf/p0004-lazy-init-name-hash.sh

   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-lazy-init-name-hash --dump --single >out.single &&
  11         test-lazy-init-name-hash --dump --multi >out.multi &&
  12         sort <out.single >sorted.single &&
  13         sort <out.multi >sorted.multi &&
  14         test_cmp sorted.single sorted.multi
  15 '
  16
  17 test_expect_success 'calibrate' '
  18         entries=$(wc -l <out.single) &&
  19
  20         case $entries in
  21         ?) count=1000000 ;;
  22         ??) count=100000 ;;
  23         ???) count=10000 ;;
  24         ????) count=1000 ;;
  25         ?????) count=100 ;;
  26         ??????) count=10 ;;
  27         *) count=1 ;;
  28         esac &&
  29         export count &&
  30
  31         case $entries in
  32         1) entries_desc="1 entry" ;;
  33         *) entries_desc="$entries entries" ;;
  34         esac &&
  35
  36         case $count in
  37         1) count_desc="1 round" ;;
  38         *) count_desc="$count rounds" ;;
  39         esac &&
  40
  41         desc="$entries_desc, $count_desc" &&
  42         export desc
  43 '
  44
  45 test_perf "single-threaded, $desc" "
  46         test-lazy-init-name-hash --single --count=$count
  47 "
  48
  49 test_perf "multi-threaded, $desc" "
  50         test-lazy-init-name-hash --multi --count=$count
  51 "
  52
  53 test_done