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 4 9 12.0 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 4 10 12.0 18.9 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 148 27 71 45.9 52.0 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 158 26 71 45.9 52.1 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 10 1 2 2.6 9.0 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 25 0 1 2.8 8.8 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 223 0 4 11.6 8.9 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 226 0 4 11.6 9.4 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 22 1 2 3.0 9.8 117,246 277 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 5 2 1.6 dash -
13 12 1 3.3 bash -
89 55 41 3.7 zsh -
15 11 4 28.4 bumpleak/osh mut
16 10 6 29.6 _bin/cxx-opt+bumproot/osh mut
19 17 2 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 12 13 25.4 osh-native mut+alloc
27 14 13 25.7 osh-native mut+alloc+free
31 25 6 18.1 osh-native mut+alloc+free+gc
32 29 3 18.1 osh-native mut+alloc+free+gc+exit
28 19 10 26.0 osh-nosouffle mut+alloc
30 16 14 26.3 osh-nosouffle mut+alloc+free
34 27 7 18.9 osh-nosouffle mut+alloc+free+gc
35 29 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 29 11 32.3 _bin/cxx-opt+nopool/osh mut+alloc
44 35 9 22.7 _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 -
43 42 1 3.4 bash -
328 182 170 3.5 zsh -
44 35 9 84.7 bumpleak/osh mut
49 39 9 84.6 _bin/cxx-opt+bumproot/osh mut
58 45 13 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 59 26 73.7 osh-native mut+alloc
91 60 31 75.6 osh-native mut+alloc+free
148 122 26 52.0 osh-native mut+alloc+free+gc
146 119 27 52.4 osh-native mut+alloc+free+gc+exit
91 59 32 74.2 osh-nosouffle mut+alloc
102 63 38 76.0 osh-nosouffle mut+alloc+free
158 133 25 52.1 osh-nosouffle mut+alloc+free+gc
154 133 21 52.8 osh-nosouffle mut+alloc+free+gc+exit
126 81 45 98.5 _bin/cxx-opt+nopool/osh mut+alloc
217 181 36 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 2 0 1.6 dash -
4 4 0 3.3 bash -
6 2 4 3.4 zsh -
6 3 3 11.7 bumpleak/osh mut
6 2 4 11.4 _bin/cxx-opt+bumproot/osh mut
7 6 1 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.6 osh-native mut+alloc
8 6 2 10.4 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
9 6 2 10.9 osh-nosouffle mut+alloc
9 6 3 11.0 osh-nosouffle mut+alloc+free
10 8 2 9.0 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 9.6 _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
10 9 1 1.6 dash -
31 31 0 3.1 bash -
21 17 4 3.5 zsh -
17 12 5 31.8 bumpleak/osh mut
18 14 4 32.6 _bin/cxx-opt+bumproot/osh mut
21 16 5 33.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 18 10 26.9 osh-native mut+alloc
31 16 14 27.3 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
20 18 2 8.4 osh-native mut+alloc+free+gc+exit
36 24 12 27.4 osh-nosouffle mut+alloc
35 27 8 27.7 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 29 17 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 9.7 _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
103 100 3 3.4 bash -
212 158 54 56.2 bumpleak/osh mut
219 165 54 57.7 _bin/cxx-opt+bumproot/osh mut
239 173 66 58.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 192 63 49.0 osh-native mut+alloc
263 193 70 50.7 osh-native mut+alloc+free
223 176 46 8.9 osh-native mut+alloc+free+gc
221 182 39 9.0 osh-native mut+alloc+free+gc+exit
267 203 64 49.4 osh-nosouffle mut+alloc
271 209 62 51.1 osh-nosouffle mut+alloc+free
226 181 45 9.4 osh-nosouffle mut+alloc+free+gc
228 179 48 9.7 osh-nosouffle mut+alloc+free+gc+exit
279 201 78 64.9 _bin/cxx-opt+nopool/osh mut+alloc
253 191 61 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 5 4.1 dash -
16 12 4 4.7 bash -
16 4 12 3.8 zsh -
18 6 12 12.5 bumpleak/osh mut
19 9 11 13.8 _bin/cxx-opt+bumproot/osh mut
18 8 11 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 10 11.7 osh-native mut+alloc
22 11 12 11.8 osh-native mut+alloc+free
21 9 13 9.4 osh-native mut+alloc+free+gc
23 10 13 9.7 osh-native mut+alloc+free+gc+exit
21 11 11 12.2 osh-nosouffle mut+alloc
22 9 14 12.2 osh-nosouffle mut+alloc+free
22 11 12 9.8 osh-nosouffle mut+alloc+free+gc
23 13 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 16 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc