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 31 3 9 12.0 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 33 3 9 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 132 22 59 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 139 24 58 45.9 52.0 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 9 1 2 2.6 8.5 102,780 180 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 19 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 219 0 3 11.6 9.0 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 227 0 3 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 9.4 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,246 277 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 12 1 3.3 bash -
89 57 38 3.4 zsh -
15 13 2 29.3 bumpleak/osh mut
16 12 4 29.7 _bin/cxx-opt+bumproot/osh mut
19 12 7 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 15 10 25.6 osh-native mut+alloc
27 17 10 25.8 osh-native mut+alloc+free
31 20 11 18.2 osh-native mut+alloc+free+gc
32 25 7 18.2 osh-native mut+alloc+free+gc+exit
28 18 10 26.1 osh-nosouffle mut+alloc
29 23 6 26.2 osh-nosouffle mut+alloc+free
33 26 7 18.7 osh-nosouffle mut+alloc+free+gc
34 27 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 26 13 33.8 _bin/cxx-opt+nopool/osh mut+alloc
43 32 11 22.9 _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 22 1 1.7 dash -
42 42 0 3.4 bash -
324 187 158 3.7 zsh -
44 34 10 86.5 bumpleak/osh mut
50 42 8 85.9 _bin/cxx-opt+bumproot/osh mut
58 45 13 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
81 44 37 73.7 osh-native mut+alloc
91 61 30 75.5 osh-native mut+alloc+free
132 113 19 51.7 osh-native mut+alloc+free+gc
133 111 22 52.3 osh-native mut+alloc+free+gc+exit
90 63 27 73.9 osh-nosouffle mut+alloc
99 73 25 76.0 osh-nosouffle mut+alloc+free
139 118 21 52.0 osh-nosouffle mut+alloc+free+gc
146 122 24 52.9 osh-nosouffle mut+alloc+free+gc+exit
123 82 41 99.2 _bin/cxx-opt+nopool/osh mut+alloc
186 159 27 72.7 _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 2 1 3.3 bash -
6 3 3 3.4 zsh -
6 5 1 12.9 bumpleak/osh mut
6 3 3 12.5 _bin/cxx-opt+bumproot/osh mut
6 5 1 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 6 2 10.5 osh-native mut+alloc+free
9 6 3 8.5 osh-native mut+alloc+free+gc
9 6 3 8.9 osh-native mut+alloc+free+gc+exit
8 5 3 11.1 osh-nosouffle mut+alloc
9 8 1 11.0 osh-nosouffle mut+alloc+free
10 5 5 9.2 osh-nosouffle mut+alloc+free+gc
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.7 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 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 8 1 1.6 dash -
31 31 0 3.3 bash -
21 17 4 3.3 zsh -
17 13 3 34.0 bumpleak/osh mut
18 15 3 32.8 _bin/cxx-opt+bumproot/osh mut
20 15 5 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 9 27.0 osh-native mut+alloc
30 22 8 27.3 osh-native mut+alloc+free
19 16 3 8.3 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
33 22 11 27.5 osh-nosouffle mut+alloc
35 24 10 27.8 osh-nosouffle mut+alloc+free
25 22 2 8.7 osh-nosouffle mut+alloc+free+gc
24 20 4 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 33 12 36.4 _bin/cxx-opt+nopool/osh mut+alloc
30 27 2 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
104 97 7 3.5 bash -
212 165 47 56.3 bumpleak/osh mut
221 173 48 56.9 _bin/cxx-opt+bumproot/osh mut
235 181 54 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
253 186 67 48.6 osh-native mut+alloc
259 192 67 50.8 osh-native mut+alloc+free
219 187 31 9.0 osh-native mut+alloc+free+gc
220 172 48 9.0 osh-native mut+alloc+free+gc+exit
262 204 58 49.3 osh-nosouffle mut+alloc
267 205 62 51.3 osh-nosouffle mut+alloc+free
227 179 48 9.6 osh-nosouffle mut+alloc+free+gc
227 176 51 9.6 osh-nosouffle mut+alloc+free+gc+exit
274 195 79 64.5 _bin/cxx-opt+nopool/osh mut+alloc
251 215 35 10.6 _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 5 3.9 dash -
16 8 8 4.8 bash -
16 7 9 3.9 zsh -
17 9 9 12.4 bumpleak/osh mut
19 9 10 13.8 _bin/cxx-opt+bumproot/osh mut
18 8 10 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 9 11.7 osh-native mut+alloc
20 11 10 11.7 osh-native mut+alloc+free
20 15 6 9.4 osh-native mut+alloc+free+gc
20 14 7 9.6 osh-native mut+alloc+free+gc+exit
20 10 10 12.2 osh-nosouffle mut+alloc
21 12 10 12.1 osh-nosouffle mut+alloc+free
21 12 10 10.0 osh-nosouffle mut+alloc+free+gc
21 14 8 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 10 13 12.9 _bin/cxx-opt+nopool/osh mut+alloc
23 13 11 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc