Merge branch 'nd/switch-and-restore' into maint
[git] / t / perf / p7821-grep-engines-fixed.sh
1 #!/bin/sh
2
3 test_description="Comparison of git-grep's regex engines with -F
4
5 Set GIT_PERF_7821_GREP_OPTS in the environment to pass options to
6 git-grep. Make sure to include a leading space,
7 e.g. GIT_PERF_7821_GREP_OPTS=' -w'. See p7820-grep-engines.sh for more
8 options to try.
9
10 If GIT_PERF_7821_THREADS is set to a list of threads (e.g. '1 4 8'
11 etc.) we will test the patterns under those numbers of threads.
12 "
13
14 . ./perf-lib.sh
15
16 test_perf_large_repo
17 test_checkout_worktree
18
19 if test -n "$GIT_PERF_GREP_THREADS"
20 then
21         test_set_prereq PERF_GREP_ENGINES_THREADS
22 fi
23
24 for pattern in 'int' 'uncommon' 'æ'
25 do
26         for engine in fixed basic extended perl
27         do
28                 if test $engine = "perl" && ! test_have_prereq PCRE
29                 then
30                         prereq="PCRE"
31                 else
32                         prereq=""
33                 fi
34                 if ! test_have_prereq PERF_GREP_ENGINES_THREADS
35                 then
36                         test_perf $prereq "$engine grep$GIT_PERF_7821_GREP_OPTS $pattern" "
37                                 git -c grep.patternType=$engine grep$GIT_PERF_7821_GREP_OPTS $pattern >'out.$engine' || :
38                         "
39                 else
40                         for threads in $GIT_PERF_GREP_THREADS
41                         do
42                                 test_perf PTHREADS,$prereq "$engine grep$GIT_PERF_7821_GREP_OPTS $pattern with $threads threads" "
43                                         git -c grep.patternType=$engine -c grep.threads=$threads grep$GIT_PERF_7821_GREP_OPTS $pattern >'out.$engine.$threads' || :
44                                 "
45                         done
46                 fi
47         done
48
49         if ! test_have_prereq PERF_GREP_ENGINES_THREADS
50         then
51                 test_expect_success "assert that all engines found the same for$GIT_PERF_7821_GREP_OPTS $pattern" '
52                         test_cmp out.fixed out.basic &&
53                         test_cmp out.fixed out.extended &&
54                         if test_have_prereq PCRE
55                         then
56                                 test_cmp out.fixed out.perl
57                         fi
58                 '
59         else
60                 for threads in $GIT_PERF_GREP_THREADS
61                 do
62                         test_expect_success PTHREADS "assert that all engines found the same for$GIT_PERF_7821_GREP_OPTS $pattern under threading" "
63                                 test_cmp out.fixed.$threads out.basic.$threads &&
64                                 test_cmp out.fixed.$threads out.extended.$threads &&
65                                 if test_have_prereq PCRE
66                                 then
67                                         test_cmp out.fixed.$threads out.perl.$threads
68                                 fi
69                         "
70                 done
71         fi
72 done
73
74 test_done