85551232b5
8c912ee (teach --histogram to diff, 2011-07-12) claimed histogram diff
was faster than both Myers and patience.
We have since incorporated a performance testing framework, so add a
test that compares the various diff tasks performed in a real 'log -p'
workload. This does indeed show that histogram diff slightly beats
Myers, while patience is much slower than the others.
Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
30 lines
488 B
Bash
Executable File
30 lines
488 B
Bash
Executable File
#!/bin/sh
|
|
|
|
test_description="Tests diff generation performance"
|
|
|
|
. ./perf-lib.sh
|
|
|
|
test_perf_default_repo
|
|
|
|
test_perf 'log -3000 (baseline)' '
|
|
git log -1000 >/dev/null
|
|
'
|
|
|
|
test_perf 'log --raw -3000 (tree-only)' '
|
|
git log --raw -3000 >/dev/null
|
|
'
|
|
|
|
test_perf 'log -p -3000 (Myers)' '
|
|
git log -p -3000 >/dev/null
|
|
'
|
|
|
|
test_perf 'log -p -3000 --histogram' '
|
|
git log -p -3000 --histogram >/dev/null
|
|
'
|
|
|
|
test_perf 'log -p -3000 --patience' '
|
|
git log -p -3000 --patience >/dev/null
|
|
'
|
|
|
|
test_done
|