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-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 REPO_BIG_ENOUGH_FOR_MULTI "multi-threaded, $desc" "
  53         test-tool lazy-init-name-hash --multi --count=$count
  54 "
  55
  56 test_done