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 33 4 11 12.0 18.4 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 3 9 12.0 18.5 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 137 26 63 45.9 51.6 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 149 26 67 45.9 52.3 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 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 224 0 4 11.6 9.2 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 228 0 4 11.6 9.6 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,247 277 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 6 1 1.7 dash -
13 13 0 3.3 bash -
89 56 40 3.7 zsh -
15 14 1 29.5 bumpleak/osh mut
16 11 5 30.2 _bin/cxx-opt+bumproot/osh mut
19 15 4 30.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 12 14 25.6 osh-native mut+alloc
28 18 10 25.8 osh-native mut+alloc+free
33 24 9 18.4 osh-native mut+alloc+free+gc
33 24 9 18.4 osh-native mut+alloc+free+gc+exit
28 18 11 26.0 osh-nosouffle mut+alloc
30 20 10 26.2 osh-nosouffle mut+alloc+free
34 24 10 18.5 osh-nosouffle mut+alloc+free+gc
35 32 3 18.6 osh-nosouffle mut+alloc+free+gc+exit
40 22 17 32.9 _bin/cxx-opt+nopool/osh mut+alloc
45 31 14 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 41 2 3.4 bash -
325 183 164 3.7 zsh -
45 35 10 86.1 bumpleak/osh mut
48 39 9 84.7 _bin/cxx-opt+bumproot/osh mut
59 45 14 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 45 39 73.8 osh-native mut+alloc
92 59 33 75.5 osh-native mut+alloc+free
137 111 25 51.6 osh-native mut+alloc+free+gc
145 122 23 52.4 osh-native mut+alloc+free+gc+exit
95 66 28 74.1 osh-nosouffle mut+alloc
100 63 38 76.0 osh-nosouffle mut+alloc+free
149 123 26 52.3 osh-nosouffle mut+alloc+free+gc
158 132 26 52.8 osh-nosouffle mut+alloc+free+gc+exit
126 87 39 97.6 _bin/cxx-opt+nopool/osh mut+alloc
203 172 31 72.5 _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 1.6 dash -
4 3 1 3.3 bash -
7 2 5 3.4 zsh -
6 3 4 11.7 bumpleak/osh mut
7 3 4 12.4 _bin/cxx-opt+bumproot/osh mut
7 4 3 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 2 6 10.5 osh-native mut+alloc
8 3 5 10.6 osh-native mut+alloc+free
9 7 2 8.5 osh-native mut+alloc+free+gc
9 8 1 9.0 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 7 2 11.0 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 6 5 9.2 osh-nosouffle mut+alloc+free+gc+exit
12 6 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 5 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 10 0 1.4 dash -
30 30 0 3.3 bash -
21 15 6 3.5 zsh -
16 12 4 31.8 bumpleak/osh mut
19 13 6 33.2 _bin/cxx-opt+bumproot/osh mut
20 17 3 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 16 12 27.0 osh-native mut+alloc
30 19 11 27.1 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
34 25 8 27.4 osh-nosouffle mut+alloc
36 27 9 27.7 osh-nosouffle mut+alloc+free
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 31 15 36.4 _bin/cxx-opt+nopool/osh mut+alloc
30 28 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
103 96 7 3.3 bash -
215 155 61 57.3 bumpleak/osh mut
222 171 51 57.1 _bin/cxx-opt+bumproot/osh mut
239 180 59 58.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 193 62 48.6 osh-native mut+alloc
264 200 64 50.9 osh-native mut+alloc+free
224 168 56 9.2 osh-native mut+alloc+free+gc
221 166 55 9.0 osh-native mut+alloc+free+gc+exit
261 196 65 49.2 osh-nosouffle mut+alloc
269 198 70 51.2 osh-nosouffle mut+alloc+free
228 178 49 9.6 osh-nosouffle mut+alloc+free+gc
227 181 46 9.6 osh-nosouffle mut+alloc+free+gc+exit
281 201 80 64.6 _bin/cxx-opt+nopool/osh mut+alloc
255 204 50 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 5 5 3.9 dash -
16 8 9 5.0 bash -
16 6 10 4.1 zsh -
18 7 12 12.9 bumpleak/osh mut
18 9 10 12.6 _bin/cxx-opt+bumproot/osh mut
20 8 13 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 6 15 11.5 osh-native mut+alloc
21 11 11 11.7 osh-native mut+alloc+free
21 9 13 9.6 osh-native mut+alloc+free+gc
22 13 9 9.7 osh-native mut+alloc+free+gc+exit
21 13 9 11.9 osh-nosouffle mut+alloc
22 12 10 12.1 osh-nosouffle mut+alloc+free
21 13 9 10.0 osh-nosouffle mut+alloc+free+gc
22 11 12 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 13 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 12 13 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc