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 |
11.5 |
| osh-nosouffle |
118,863 |
12.9 |
(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 |
3,277 |
| bash |
118,863 |
1,427 |
| osh-native |
118,863 |
115 |
| osh-nosouffle |
118,863 |
112 |
| osh-cpython |
118,863 |
11 |
Per-File Measurements
Time and Memory
| shell label |
elapsed ms |
user ms |
sys ms |
max rss MB |
num lines |
filename |
| dash |
1 |
1 |
0 |
2 |
2,698 |
Build.sh |
| bash |
3 |
2 |
1 |
3 |
2,698 |
Build.sh |
| osh-native |
24 |
6 |
18 |
9 |
2,698 |
Build.sh |
| osh-nosouffle |
24 |
11 |
13 |
9 |
2,698 |
Build.sh |
| osh-cpython |
281 |
267 |
14 |
22 |
2,698 |
Build.sh |
| dash |
1 |
1 |
1 |
2 |
2,512 |
abuild |
| bash |
3 |
3 |
0 |
3 |
2,512 |
abuild |
| osh-native |
24 |
8 |
15 |
9 |
2,512 |
abuild |
| osh-nosouffle |
25 |
10 |
15 |
10 |
2,512 |
abuild |
| osh-cpython |
391 |
379 |
12 |
23 |
2,512 |
abuild |
| dash |
7 |
5 |
2 |
2 |
20,489 |
configure |
| bash |
15 |
15 |
0 |
4 |
20,489 |
configure |
| osh-native |
190 |
57 |
134 |
23 |
20,489 |
configure |
| osh-nosouffle |
193 |
64 |
129 |
24 |
20,489 |
configure |
| osh-cpython |
1,885 |
1,856 |
25 |
44 |
20,489 |
configure |
| dash |
18 |
16 |
2 |
2 |
69,779 |
configure-coreutils |
| bash |
38 |
36 |
2 |
3 |
69,779 |
configure-coreutils |
| osh-native |
557 |
175 |
382 |
52 |
69,779 |
configure-coreutils |
| osh-nosouffle |
572 |
203 |
369 |
53 |
69,779 |
configure-coreutils |
| osh-cpython |
5,404 |
5,357 |
45 |
91 |
69,779 |
configure-coreutils |
| bash |
3 |
2 |
1 |
3 |
2,029 |
configure-helper.sh |
| osh-native |
25 |
5 |
20 |
9 |
2,029 |
configure-helper.sh |
| osh-nosouffle |
26 |
5 |
21 |
10 |
2,029 |
configure-helper.sh |
| osh-cpython |
276 |
260 |
16 |
21 |
2,029 |
configure-helper.sh |
| dash |
1 |
0 |
1 |
2 |
1,733 |
functions |
| bash |
2 |
1 |
1 |
3 |
1,733 |
functions |
| osh-native |
16 |
7 |
9 |
9 |
1,733 |
functions |
| osh-nosouffle |
16 |
4 |
13 |
9 |
1,733 |
functions |
| osh-cpython |
273 |
252 |
21 |
21 |
1,733 |
functions |
| dash |
4 |
3 |
1 |
2 |
9,661 |
ltmain.sh |
| bash |
8 |
8 |
0 |
4 |
9,661 |
ltmain.sh |
| osh-native |
87 |
24 |
63 |
16 |
9,661 |
ltmain.sh |
| osh-nosouffle |
89 |
21 |
68 |
17 |
9,661 |
ltmain.sh |
| osh-cpython |
895 |
880 |
15 |
30 |
9,661 |
ltmain.sh |
| dash |
1 |
1 |
0 |
2 |
1,679 |
t4014-format-patch.sh |
| bash |
2 |
2 |
0 |
3 |
1,679 |
t4014-format-patch.sh |
| osh-native |
15 |
3 |
11 |
8 |
1,679 |
t4014-format-patch.sh |
| osh-nosouffle |
15 |
1 |
14 |
9 |
1,679 |
t4014-format-patch.sh |
| osh-cpython |
99 |
88 |
11 |
19 |
1,679 |
t4014-format-patch.sh |
| dash |
1 |
1 |
0 |
2 |
3,123 |
t9300-fast-import.sh |
| bash |
2 |
1 |
1 |
3 |
3,123 |
t9300-fast-import.sh |
| osh-native |
20 |
4 |
16 |
8 |
3,123 |
t9300-fast-import.sh |
| osh-nosouffle |
21 |
2 |
19 |
9 |
3,123 |
t9300-fast-import.sh |
| osh-cpython |
105 |
96 |
8 |
19 |
3,123 |
t9300-fast-import.sh |
| bash |
7 |
6 |
1 |
3 |
5,160 |
test-cmd-util.sh |
| osh-native |
76 |
29 |
47 |
13 |
5,160 |
test-cmd-util.sh |
| osh-nosouffle |
78 |
23 |
55 |
14 |
5,160 |
test-cmd-util.sh |
| osh-cpython |
816 |
803 |
14 |
28 |
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 |
33,025,495 |
2,698 |
Build.sh |
| osh-nosouffle |
37,273,643 |
2,698 |
Build.sh |
| dash |
7,346,197 |
2,512 |
abuild |
| bash |
23,586,858 |
2,512 |
abuild |
| osh-native |
46,034,476 |
2,512 |
abuild |
| osh-nosouffle |
53,599,729 |
2,512 |
abuild |
| dash |
55,988,490 |
20,489 |
configure |
| bash |
166,013,802 |
20,489 |
configure |
| osh-native |
230,742,870 |
20,489 |
configure |
| osh-nosouffle |
262,650,648 |
20,489 |
configure |
| dash |
161,016,284 |
69,779 |
configure-coreutils |
| bash |
440,767,942 |
69,779 |
configure-coreutils |
| osh-native |
771,429,223 |
69,779 |
configure-coreutils |
| osh-nosouffle |
860,750,377 |
69,779 |
configure-coreutils |
| bash |
22,799,636 |
2,029 |
configure-helper.sh |
| osh-native |
27,856,213 |
2,029 |
configure-helper.sh |
| osh-nosouffle |
32,136,405 |
2,029 |
configure-helper.sh |
| dash |
4,811,799 |
1,733 |
functions |
| bash |
15,312,098 |
1,733 |
functions |
| osh-native |
25,494,048 |
1,733 |
functions |
| osh-nosouffle |
29,883,072 |
1,733 |
functions |
| dash |
24,904,718 |
9,661 |
ltmain.sh |
| bash |
80,310,064 |
9,661 |
ltmain.sh |
| osh-native |
100,898,397 |
9,661 |
ltmain.sh |
| osh-nosouffle |
117,108,217 |
9,661 |
ltmain.sh |
| dash |
3,294,377 |
1,679 |
t4014-format-patch.sh |
| bash |
11,082,677 |
1,679 |
t4014-format-patch.sh |
| osh-native |
11,245,643 |
1,679 |
t4014-format-patch.sh |
| osh-nosouffle |
12,220,193 |
1,679 |
t4014-format-patch.sh |
| dash |
4,585,030 |
3,123 |
t9300-fast-import.sh |
| osh-native |
13,221,411 |
3,123 |
t9300-fast-import.sh |
| osh-nosouffle |
14,371,319 |
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 |
101,376,064 |
5,160 |
test-cmd-util.sh |
| osh-nosouffle |
117,478,476 |
5,160 |
test-cmd-util.sh |
Shell and Host Details
Raw Data