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 |
11.3 |
| 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 |
2,590 |
| bash |
118,863 |
1,267 |
| osh-native |
118,863 |
54 |
| osh-nosouffle |
118,863 |
52 |
| osh-cpython |
118,863 |
10 |
Per-File Measurements
Time and Memory
| shell label |
elapsed ms |
user ms |
sys ms |
max rss MB |
num lines |
filename |
| dash |
2 |
1 |
1 |
2 |
2,698 |
Build.sh |
| bash |
3 |
2 |
1 |
3 |
2,698 |
Build.sh |
| osh-native |
48 |
10 |
38 |
9 |
2,698 |
Build.sh |
| osh-nosouffle |
50 |
11 |
39 |
9 |
2,698 |
Build.sh |
| osh-cpython |
322 |
298 |
25 |
22 |
2,698 |
Build.sh |
| dash |
2 |
1 |
1 |
2 |
2,512 |
abuild |
| bash |
4 |
2 |
2 |
3 |
2,512 |
abuild |
| osh-native |
46 |
10 |
36 |
9 |
2,512 |
abuild |
| osh-nosouffle |
48 |
10 |
38 |
10 |
2,512 |
abuild |
| osh-cpython |
460 |
431 |
29 |
22 |
2,512 |
abuild |
| dash |
9 |
7 |
2 |
2 |
20,489 |
configure |
| bash |
17 |
16 |
1 |
4 |
20,489 |
configure |
| osh-native |
408 |
81 |
327 |
23 |
20,489 |
configure |
| osh-nosouffle |
428 |
94 |
334 |
23 |
20,489 |
configure |
| osh-cpython |
2,097 |
2,049 |
47 |
44 |
20,489 |
configure |
| dash |
23 |
22 |
1 |
2 |
69,779 |
configure-coreutils |
| bash |
42 |
41 |
1 |
3 |
69,779 |
configure-coreutils |
| osh-native |
1,189 |
284 |
904 |
52 |
69,779 |
configure-coreutils |
| osh-nosouffle |
1,231 |
318 |
913 |
53 |
69,779 |
configure-coreutils |
| osh-cpython |
6,267 |
6,182 |
84 |
91 |
69,779 |
configure-coreutils |
| bash |
3 |
2 |
1 |
3 |
2,029 |
configure-helper.sh |
| osh-native |
51 |
10 |
42 |
9 |
2,029 |
configure-helper.sh |
| osh-nosouffle |
54 |
15 |
39 |
10 |
2,029 |
configure-helper.sh |
| osh-cpython |
318 |
296 |
22 |
21 |
2,029 |
configure-helper.sh |
| dash |
1 |
1 |
0 |
2 |
1,733 |
functions |
| bash |
3 |
2 |
1 |
3 |
1,733 |
functions |
| osh-native |
31 |
4 |
27 |
9 |
1,733 |
functions |
| osh-nosouffle |
32 |
7 |
25 |
9 |
1,733 |
functions |
| osh-cpython |
308 |
280 |
27 |
21 |
1,733 |
functions |
| dash |
4 |
3 |
1 |
2 |
9,661 |
ltmain.sh |
| bash |
9 |
9 |
0 |
4 |
9,661 |
ltmain.sh |
| osh-native |
187 |
43 |
144 |
16 |
9,661 |
ltmain.sh |
| osh-nosouffle |
193 |
44 |
149 |
16 |
9,661 |
ltmain.sh |
| osh-cpython |
1,030 |
994 |
36 |
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 |
31 |
7 |
24 |
8 |
1,679 |
t4014-format-patch.sh |
| osh-nosouffle |
32 |
4 |
28 |
9 |
1,679 |
t4014-format-patch.sh |
| osh-cpython |
116 |
91 |
25 |
19 |
1,679 |
t4014-format-patch.sh |
| dash |
1 |
0 |
1 |
1 |
3,123 |
t9300-fast-import.sh |
| bash |
2 |
2 |
0 |
3 |
3,123 |
t9300-fast-import.sh |
| osh-native |
45 |
10 |
35 |
8 |
3,123 |
t9300-fast-import.sh |
| osh-nosouffle |
46 |
1 |
45 |
9 |
3,123 |
t9300-fast-import.sh |
| osh-cpython |
125 |
107 |
19 |
19 |
3,123 |
t9300-fast-import.sh |
| bash |
8 |
8 |
0 |
3 |
5,160 |
test-cmd-util.sh |
| osh-native |
166 |
29 |
137 |
13 |
5,160 |
test-cmd-util.sh |
| osh-nosouffle |
172 |
50 |
122 |
14 |
5,160 |
test-cmd-util.sh |
| osh-cpython |
930 |
898 |
32 |
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 |
32,744,636 |
2,698 |
Build.sh |
| osh-nosouffle |
36,992,784 |
2,698 |
Build.sh |
| dash |
7,346,197 |
2,512 |
abuild |
| bash |
23,586,858 |
2,512 |
abuild |
| osh-native |
45,782,132 |
2,512 |
abuild |
| osh-nosouffle |
53,347,385 |
2,512 |
abuild |
| dash |
55,988,490 |
20,489 |
configure |
| bash |
166,013,802 |
20,489 |
configure |
| osh-native |
228,224,542 |
20,489 |
configure |
| osh-nosouffle |
260,132,292 |
20,489 |
configure |
| dash |
161,016,284 |
69,779 |
configure-coreutils |
| bash |
440,767,942 |
69,779 |
configure-coreutils |
| osh-native |
764,385,232 |
69,779 |
configure-coreutils |
| osh-nosouffle |
853,706,359 |
69,779 |
configure-coreutils |
| bash |
22,799,636 |
2,029 |
configure-helper.sh |
| osh-native |
27,542,770 |
2,029 |
configure-helper.sh |
| osh-nosouffle |
31,822,962 |
2,029 |
configure-helper.sh |
| dash |
4,811,799 |
1,733 |
functions |
| bash |
15,312,098 |
1,733 |
functions |
| osh-native |
25,326,605 |
1,733 |
functions |
| osh-nosouffle |
29,715,629 |
1,733 |
functions |
| dash |
24,904,718 |
9,661 |
ltmain.sh |
| bash |
80,310,064 |
9,661 |
ltmain.sh |
| osh-native |
99,763,685 |
9,661 |
ltmain.sh |
| osh-nosouffle |
115,973,478 |
9,661 |
ltmain.sh |
| dash |
3,294,377 |
1,679 |
t4014-format-patch.sh |
| osh-native |
11,058,396 |
1,679 |
t4014-format-patch.sh |
| bash |
11,082,677 |
1,679 |
t4014-format-patch.sh |
| osh-nosouffle |
12,032,946 |
1,679 |
t4014-format-patch.sh |
| dash |
4,585,030 |
3,123 |
t9300-fast-import.sh |
| osh-native |
12,939,203 |
3,123 |
t9300-fast-import.sh |
| osh-nosouffle |
14,089,084 |
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 |
100,341,771 |
5,160 |
test-cmd-util.sh |
| osh-nosouffle |
116,444,156 |
5,160 |
test-cmd-util.sh |
Shell and Host Details
Raw Data