Memory Management Overhead

Source code: oils/benchmarks/gc.sh

GC Stats

task elapsed ms max gc millis total gc millis allocated MB max rss MB num allocated num gc points num gc done gc threshold num growths max survived shell label
parse.configure-cpython 34 5 12 12.0 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 36 5 11 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 156 27 80 45.9 51.6 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 163 27 77 45.9 52.1 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 10 1 2 2.6 8.8 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 10 1 2 2.6 9.2 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 25 0 2 2.8 8.7 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 223 0 4 11.6 9.2 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 234 0 5 11.6 9.6 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.3 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,246 277 3 83,988 1 41,994 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 7 0 1.7 dash -
13 13 0 3.3 bash -
90 49 48 3.5 zsh -
16 10 6 29.5 bumpleak/osh mut
17 12 5 30.2 _bin/cxx-opt+bumproot/osh mut
20 14 7 29.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 13 13 25.4 osh-native mut+alloc
28 22 6 25.8 osh-native mut+alloc+free
34 26 9 18.2 osh-native mut+alloc+free+gc
36 27 8 18.2 osh-native mut+alloc+free+gc+exit
29 15 13 26.0 osh-nosouffle mut+alloc
30 21 9 26.3 osh-nosouffle mut+alloc+free
36 26 10 18.7 osh-nosouffle mut+alloc+free+gc
38 29 10 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 18 21 32.3 _bin/cxx-opt+nopool/osh mut+alloc
51 43 8 22.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

parse.configure-coreutils

Parsing the autoconf-generated configure script from GNU coreutils.

Note that unlike other shells, osh -n retains all nodes on purpose. (See the parser benchmark).

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
23 23 0 1.7 dash -
42 42 0 3.5 bash -
325 184 165 3.7 zsh -
45 38 7 85.7 bumpleak/osh mut
49 41 8 85.8 _bin/cxx-opt+bumproot/osh mut
60 49 11 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 54 30 73.8 osh-native mut+alloc
92 57 36 75.5 osh-native mut+alloc+free
156 135 21 51.6 osh-native mut+alloc+free+gc
161 137 23 52.4 osh-native mut+alloc+free+gc+exit
91 59 31 74.2 osh-nosouffle mut+alloc
102 64 38 75.8 osh-nosouffle mut+alloc+free
163 142 21 52.1 osh-nosouffle mut+alloc+free+gc
170 140 30 52.9 osh-nosouffle mut+alloc+free+gc+exit
129 79 50 98.7 _bin/cxx-opt+nopool/osh mut+alloc
230 193 37 74.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

parse.abuild

Parsing abuild from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
2 1 1 1.7 dash -
4 3 1 3.1 bash -
7 3 4 3.3 zsh -
7 4 3 12.3 bumpleak/osh mut
6 3 3 13.3 _bin/cxx-opt+bumproot/osh mut
7 3 4 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
9 6 3 10.7 osh-native mut+alloc+free
10 5 5 8.8 osh-native mut+alloc+free+gc
10 7 3 8.9 osh-native mut+alloc+free+gc+exit
9 6 3 10.9 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
13 10 3 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.compute-fib

A synthetic benchmark for POSIX shell arithmetic.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
9 9 0 1.4 dash -
31 31 0 3.3 bash -
21 18 3 3.5 zsh -
17 14 3 33.9 bumpleak/osh mut
18 14 4 32.4 _bin/cxx-opt+bumproot/osh mut
21 18 3 33.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 12 27.0 osh-native mut+alloc
31 21 10 27.3 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 17 3 8.1 osh-native mut+alloc+free+gc+exit
34 27 7 27.3 osh-nosouffle mut+alloc
36 26 10 27.7 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 21 4 8.9 osh-nosouffle mut+alloc+free+gc+exit
47 24 23 36.2 _bin/cxx-opt+nopool/osh mut+alloc
31 28 3 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.bashcomp-parse-help

A realistic bash-completion workload.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
105 101 4 3.4 bash -
216 169 47 56.0 bumpleak/osh mut
235 167 68 55.8 _bin/cxx-opt+bumproot/osh mut
244 179 65 57.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
263 201 62 48.8 osh-native mut+alloc
267 210 57 50.7 osh-native mut+alloc+free
223 179 44 9.2 osh-native mut+alloc+free+gc
224 177 46 9.2 osh-native mut+alloc+free+gc+exit
265 184 81 49.3 osh-nosouffle mut+alloc
274 204 69 51.4 osh-nosouffle mut+alloc+free
234 195 39 9.6 osh-nosouffle mut+alloc+free+gc
232 185 47 9.4 osh-nosouffle mut+alloc+free+gc+exit
283 197 86 64.3 _bin/cxx-opt+nopool/osh mut+alloc
268 228 40 10.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.abuild-print-help

Running abuild -h from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
9 4 6 3.9 dash -
16 8 9 4.7 bash -
16 10 7 3.9 zsh -
17 6 12 13.8 bumpleak/osh mut
18 8 11 14.2 _bin/cxx-opt+bumproot/osh mut
19 10 9 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 10 11.7 osh-native mut+alloc
21 7 15 11.8 osh-native mut+alloc+free
20 9 12 9.3 osh-native mut+alloc+free+gc
21 11 11 9.7 osh-native mut+alloc+free+gc+exit
20 9 12 12.1 osh-nosouffle mut+alloc
22 12 11 12.3 osh-nosouffle mut+alloc+free
22 11 11 10.1 osh-nosouffle mut+alloc+free+gc
23 13 11 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 9 15 13.0 _bin/cxx-opt+nopool/osh mut+alloc
24 12 12 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc