diff options
Diffstat (limited to 't/perf/README')
| -rw-r--r-- | t/perf/README | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/t/perf/README b/t/perf/README index be12090c38..fb9127a66f 100644 --- a/t/perf/README +++ b/t/perf/README @@ -28,6 +28,8 @@ the tests on the current git repository. 7810.3: grep --cached, cheap regex 3.07(3.02+0.25) 7810.4: grep --cached, expensive regex 9.39(30.57+0.24) +Output format is in seconds "Elapsed(User + System)" + You can compare multiple repositories and even git revisions with the 'run' script: @@ -45,7 +47,7 @@ call the aggregation script to summarize the results: $ ./p0001-rev-list.sh [...] - $ GIT_BUILD_DIR=/path/to/other/git ./p0001-rev-list.sh + $ ./run /path/to/other/git -- ./p0001-rev-list.sh [...] $ ./aggregate.perl . /path/to/other/git ./p0001-rev-list.sh @@ -84,6 +86,15 @@ You can set the following variables (also in your config.mak): probably be about linux.git size for optimal results. Both default to the git.git you are running from. + GIT_PERF_EXTRA + Boolean to enable additional tests. Most test scripts are + written to detect regressions between two versions of Git, and + the output will compare timings for individual tests between + those versions. Some scripts have additional tests which are not + run by default, that show patterns within a single version of + Git (e.g., performance of index-pack as the number of threads + changes). These can be enabled with GIT_PERF_EXTRA. + You can also pass the options taken by ordinary git tests; the most useful one is: |