oils.pub
OSH Parser Performance
We time $sh -n $file for various files under various shells, and repeat then
run under cachegrind for stable metrics.
Source code: oils/benchmarks/osh-parser.sh
Raw files
Summary
Instructions Per Line (via cachegrind)
Lower numbers are generally better, but each shell recognizes a different
language, and OSH uses a more thorough parsing algorithm. In thousands of
"I refs".
| shell label |
total lines |
thousand irefs per line |
| bash |
118,863 |
7.3 |
| dash |
111,674 |
2.4 |
| osh-native |
118,863 |
11.1 |
| osh-nosouffle |
118,863 |
12.8 |
(zsh isn't measured because zsh -n unexpectedly forks.)
Average Parsing Rate, Measured on Two Machines (lines/ms)
Shell startup time is included in the elapsed time measurements, but long files
are chosen to minimize its effect.
| shell label |
total lines |
host no-host |
| dash |
111,674 |
3,244 |
| bash |
118,863 |
1,414 |
| osh-native |
118,863 |
514 |
| osh-nosouffle |
118,863 |
474 |
| osh-cpython |
118,863 |
12 |
Per-File Measurements
Time and Memory
| shell label |
elapsed ms |
user ms |
sys ms |
max rss MB |
num lines |
filename |
| dash |
1 |
0 |
1 |
2 |
2,698 |
Build.sh |
| bash |
3 |
3 |
0 |
3 |
2,698 |
Build.sh |
| osh-native |
7 |
5 |
2 |
9 |
2,698 |
Build.sh |
| osh-nosouffle |
9 |
7 |
2 |
9 |
2,698 |
Build.sh |
| osh-cpython |
283 |
263 |
20 |
22 |
2,698 |
Build.sh |
| dash |
1 |
1 |
0 |
2 |
2,512 |
abuild |
| bash |
3 |
2 |
1 |
3 |
2,512 |
abuild |
| osh-native |
8 |
6 |
2 |
9 |
2,512 |
abuild |
| osh-nosouffle |
9 |
8 |
1 |
9 |
2,512 |
abuild |
| osh-cpython |
392 |
380 |
12 |
23 |
2,512 |
abuild |
| dash |
7 |
7 |
0 |
2 |
20,489 |
configure |
| bash |
16 |
15 |
1 |
4 |
20,489 |
configure |
| osh-native |
37 |
32 |
5 |
23 |
20,489 |
configure |
| osh-nosouffle |
40 |
31 |
9 |
23 |
20,489 |
configure |
| osh-cpython |
1,858 |
1,837 |
21 |
44 |
20,489 |
configure |
| dash |
18 |
18 |
0 |
2 |
69,779 |
configure-coreutils |
| bash |
38 |
38 |
0 |
4 |
69,779 |
configure-coreutils |
| osh-native |
127 |
106 |
21 |
52 |
69,779 |
configure-coreutils |
| osh-nosouffle |
137 |
121 |
16 |
52 |
69,779 |
configure-coreutils |
| osh-cpython |
5,336 |
5,290 |
43 |
91 |
69,779 |
configure-coreutils |
| bash |
3 |
2 |
1 |
3 |
2,029 |
configure-helper.sh |
| osh-native |
6 |
4 |
2 |
9 |
2,029 |
configure-helper.sh |
| osh-nosouffle |
6 |
6 |
0 |
9 |
2,029 |
configure-helper.sh |
| osh-cpython |
283 |
265 |
18 |
21 |
2,029 |
configure-helper.sh |
| dash |
1 |
1 |
0 |
2 |
1,733 |
functions |
| bash |
2 |
2 |
0 |
3 |
1,733 |
functions |
| osh-native |
5 |
2 |
4 |
8 |
1,733 |
functions |
| osh-nosouffle |
6 |
4 |
2 |
9 |
1,733 |
functions |
| osh-cpython |
265 |
250 |
15 |
21 |
1,733 |
functions |
| dash |
4 |
3 |
1 |
2 |
9,661 |
ltmain.sh |
| bash |
8 |
8 |
0 |
4 |
9,661 |
ltmain.sh |
| osh-native |
18 |
12 |
6 |
15 |
9,661 |
ltmain.sh |
| osh-nosouffle |
20 |
12 |
8 |
16 |
9,661 |
ltmain.sh |
| osh-cpython |
890 |
869 |
21 |
30 |
9,661 |
ltmain.sh |
| dash |
1 |
0 |
1 |
2 |
1,679 |
t4014-format-patch.sh |
| bash |
2 |
1 |
1 |
3 |
1,679 |
t4014-format-patch.sh |
| osh-native |
3 |
0 |
3 |
8 |
1,679 |
t4014-format-patch.sh |
| osh-nosouffle |
3 |
2 |
1 |
8 |
1,679 |
t4014-format-patch.sh |
| osh-cpython |
97 |
85 |
13 |
19 |
1,679 |
t4014-format-patch.sh |
| dash |
1 |
1 |
0 |
1 |
3,123 |
t9300-fast-import.sh |
| bash |
2 |
1 |
1 |
3 |
3,123 |
t9300-fast-import.sh |
| osh-native |
4 |
1 |
3 |
8 |
3,123 |
t9300-fast-import.sh |
| osh-nosouffle |
4 |
2 |
1 |
8 |
3,123 |
t9300-fast-import.sh |
| osh-cpython |
106 |
88 |
18 |
19 |
3,123 |
t9300-fast-import.sh |
| bash |
7 |
6 |
1 |
3 |
5,160 |
test-cmd-util.sh |
| osh-native |
16 |
12 |
4 |
13 |
5,160 |
test-cmd-util.sh |
| osh-nosouffle |
17 |
15 |
2 |
13 |
5,160 |
test-cmd-util.sh |
| osh-cpython |
808 |
796 |
12 |
29 |
5,160 |
test-cmd-util.sh |
Instruction Counts
| shell label |
irefs |
num lines |
filename |
| dash |
6,684,258 |
2,698 |
Build.sh |
| bash |
19,403,577 |
2,698 |
Build.sh |
| osh-native |
31,601,337 |
2,698 |
Build.sh |
| osh-nosouffle |
35,849,612 |
2,698 |
Build.sh |
| dash |
7,346,197 |
2,512 |
abuild |
| bash |
23,586,858 |
2,512 |
abuild |
| osh-native |
44,723,913 |
2,512 |
abuild |
| osh-nosouffle |
52,280,748 |
2,512 |
abuild |
| dash |
55,988,490 |
20,489 |
configure |
| bash |
166,013,802 |
20,489 |
configure |
| osh-native |
231,144,172 |
20,489 |
configure |
| osh-nosouffle |
263,062,893 |
20,489 |
configure |
| dash |
161,016,284 |
69,779 |
configure-coreutils |
| bash |
440,767,942 |
69,779 |
configure-coreutils |
| osh-native |
748,387,237 |
69,779 |
configure-coreutils |
| osh-nosouffle |
862,832,489 |
69,779 |
configure-coreutils |
| bash |
22,799,636 |
2,029 |
configure-helper.sh |
| osh-native |
25,987,926 |
2,029 |
configure-helper.sh |
| osh-nosouffle |
30,266,152 |
2,029 |
configure-helper.sh |
| dash |
4,811,799 |
1,733 |
functions |
| bash |
15,312,098 |
1,733 |
functions |
| osh-native |
24,471,800 |
1,733 |
functions |
| osh-nosouffle |
28,861,256 |
1,733 |
functions |
| dash |
24,904,718 |
9,661 |
ltmain.sh |
| bash |
80,310,064 |
9,661 |
ltmain.sh |
| osh-native |
96,275,339 |
9,661 |
ltmain.sh |
| osh-nosouffle |
112,485,902 |
9,661 |
ltmain.sh |
| dash |
3,294,377 |
1,679 |
t4014-format-patch.sh |
| osh-native |
10,065,752 |
1,679 |
t4014-format-patch.sh |
| osh-nosouffle |
11,040,614 |
1,679 |
t4014-format-patch.sh |
| bash |
11,082,677 |
1,679 |
t4014-format-patch.sh |
| dash |
4,585,030 |
3,123 |
t9300-fast-import.sh |
| osh-native |
11,870,175 |
3,123 |
t9300-fast-import.sh |
| osh-nosouffle |
13,020,594 |
3,123 |
t9300-fast-import.sh |
| bash |
16,659,503 |
3,123 |
t9300-fast-import.sh |
| bash |
73,195,614 |
5,160 |
test-cmd-util.sh |
| osh-native |
96,186,312 |
5,160 |
test-cmd-util.sh |
| osh-nosouffle |
112,290,267 |
5,160 |
test-cmd-util.sh |
Shell and Host Details
Raw Data