| 1 | #!/bin/sh |
| 2 | |
| 3 | test_description="Comparison of git-grep's regex engines |
| 4 | |
| 5 | Set GIT_PERF_7820_GREP_OPTS in the environment to pass options to |
| 6 | git-grep. Make sure to include a leading space, |
| 7 | e.g. GIT_PERF_7820_GREP_OPTS=' -i'. Some options to try: |
| 8 | |
| 9 | -i |
| 10 | -w |
| 11 | -v |
| 12 | -vi |
| 13 | -vw |
| 14 | -viw |
| 15 | |
| 16 | If GIT_PERF_GREP_THREADS is set to a list of threads (e.g. '1 4 8' |
| 17 | etc.) we will test the patterns under those numbers of threads. |
| 18 | " |
| 19 | |
| 20 | . ./perf-lib.sh |
| 21 | |
| 22 | test_perf_large_repo |
| 23 | test_checkout_worktree |
| 24 | |
| 25 | if test -n "$GIT_PERF_GREP_THREADS" |
| 26 | then |
| 27 | test_set_prereq PERF_GREP_ENGINES_THREADS |
| 28 | fi |
| 29 | |
| 30 | for pattern in \ |
| 31 | 'how.to' \ |
| 32 | '^how to' \ |
| 33 | '[how] to' \ |
| 34 | '\(e.t[^ ]*\|v.ry\) rare' \ |
| 35 | 'm\(ú\|u\)lt.b\(æ\|y\)te' |
| 36 | do |
| 37 | for engine in basic extended perl |
| 38 | do |
| 39 | if test $engine != "basic" |
| 40 | then |
| 41 | # Poor man's basic -> extended converter. |
| 42 | pattern=$(echo "$pattern" | sed 's/\\//g') |
| 43 | fi |
| 44 | if test $engine = "perl" && ! test_have_prereq PCRE |
| 45 | then |
| 46 | prereq="PCRE" |
| 47 | else |
| 48 | prereq="" |
| 49 | fi |
| 50 | if ! test_have_prereq PERF_GREP_ENGINES_THREADS |
| 51 | then |
| 52 | test_perf "$engine grep$GIT_PERF_7820_GREP_OPTS '$pattern'" \ |
| 53 | --prereq "$prereq" " |
| 54 | git -c grep.patternType=$engine grep$GIT_PERF_7820_GREP_OPTS -- '$pattern' >'out.$engine' || : |
| 55 | " |
| 56 | else |
| 57 | for threads in $GIT_PERF_GREP_THREADS |
| 58 | do |
| 59 | test_perf "$engine grep$GIT_PERF_7820_GREP_OPTS '$pattern' with $threads threads" |
| 60 | --prereq PTHREADS,$prereq " |
| 61 | git -c grep.patternType=$engine -c grep.threads=$threads grep$GIT_PERF_7820_GREP_OPTS -- '$pattern' >'out.$engine.$threads' || : |
| 62 | " |
| 63 | done |
| 64 | fi |
| 65 | done |
| 66 | |
| 67 | if ! test_have_prereq PERF_GREP_ENGINES_THREADS |
| 68 | then |
| 69 | test_expect_success "assert that all engines found the same for$GIT_PERF_7820_GREP_OPTS '$pattern'" ' |
| 70 | test_cmp out.basic out.extended && |
| 71 | if test_have_prereq PCRE |
| 72 | then |
| 73 | test_cmp out.basic out.perl |
| 74 | fi |
| 75 | ' |
| 76 | else |
| 77 | for threads in $GIT_PERF_GREP_THREADS |
| 78 | do |
| 79 | test_expect_success PTHREADS "assert that all engines found the same for$GIT_PERF_7820_GREP_OPTS '$pattern' under threading" " |
| 80 | test_cmp out.basic.$threads out.extended.$threads && |
| 81 | if test_have_prereq PCRE |
| 82 | then |
| 83 | test_cmp out.basic.$threads out.perl.$threads |
| 84 | fi |
| 85 | " |
| 86 | done |
| 87 | fi |
| 88 | done |
| 89 | |
| 90 | test_done |