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 10 12.0 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 35 4 10 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 146 26 72 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 161 27 77 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 8.8 102,780 180 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 221 0 4 11.6 9.0 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 226 0 4 11.6 9.7 990,259 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 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 5 2 1.7 dash -
13 12 1 3.3 bash -
89 58 38 3.5 zsh -
15 11 4 29.7 bumpleak/osh mut
16 13 4 28.5 _bin/cxx-opt+bumproot/osh mut
23 18 4 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 15 10 25.4 osh-native mut+alloc
28 15 13 25.8 osh-native mut+alloc+free
31 28 3 18.2 osh-native mut+alloc+free+gc
32 28 4 18.4 osh-native mut+alloc+free+gc+exit
28 18 10 26.0 osh-nosouffle mut+alloc
30 16 15 26.3 osh-nosouffle mut+alloc+free
35 31 4 18.6 osh-nosouffle mut+alloc+free+gc
34 27 8 18.6 osh-nosouffle mut+alloc+free+gc+exit
40 26 14 32.1 _bin/cxx-opt+nopool/osh mut+alloc
47 38 8 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 1.8 dash -
42 40 2 3.5 bash -
325 179 169 3.7 zsh -
46 37 9 86.0 bumpleak/osh mut
48 40 8 86.0 _bin/cxx-opt+bumproot/osh mut
61 46 15 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 49 34 73.8 osh-native mut+alloc
90 54 36 75.5 osh-native mut+alloc+free
146 119 27 51.7 osh-native mut+alloc+free+gc
151 128 23 52.3 osh-native mut+alloc+free+gc+exit
94 57 36 73.9 osh-nosouffle mut+alloc
100 57 43 76.0 osh-nosouffle mut+alloc+free
161 136 25 52.3 osh-nosouffle mut+alloc+free+gc
161 135 26 52.9 osh-nosouffle mut+alloc+free+gc+exit
128 79 49 98.9 _bin/cxx-opt+nopool/osh mut+alloc
214 178 36 72.4 _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 -
6 4 2 3.4 zsh -
6 3 2 11.0 bumpleak/osh mut
6 3 3 11.7 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
8 3 5 10.7 osh-native mut+alloc+free
9 6 3 8.8 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
9 7 2 11.0 osh-nosouffle mut+alloc
9 6 3 11.3 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 11 1 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 1 1.6 dash -
31 30 1 3.3 bash -
21 17 4 3.4 zsh -
17 13 4 32.7 bumpleak/osh mut
18 12 6 32.2 _bin/cxx-opt+bumproot/osh mut
21 15 6 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 17 11 26.9 osh-native mut+alloc
30 21 9 27.1 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
34 17 17 27.5 osh-nosouffle mut+alloc
36 22 14 27.7 osh-nosouffle mut+alloc+free
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 24 22 36.9 _bin/cxx-opt+nopool/osh mut+alloc
31 24 7 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 98 6 3.4 bash -
212 160 53 56.4 bumpleak/osh mut
220 159 61 56.2 _bin/cxx-opt+bumproot/osh mut
237 186 51 58.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 171 86 48.8 osh-native mut+alloc
262 193 69 50.8 osh-native mut+alloc+free
221 180 40 9.0 osh-native mut+alloc+free+gc
224 180 44 9.0 osh-native mut+alloc+free+gc+exit
263 191 72 49.2 osh-nosouffle mut+alloc
274 194 80 51.2 osh-nosouffle mut+alloc+free
226 172 54 9.7 osh-nosouffle mut+alloc+free+gc
227 181 46 9.7 osh-nosouffle mut+alloc+free+gc+exit
281 205 76 66.0 _bin/cxx-opt+nopool/osh mut+alloc
259 210 49 10.7 _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 7 9 4.8 bash -
16 6 10 3.9 zsh -
17 8 10 13.9 bumpleak/osh mut
18 10 9 14.3 _bin/cxx-opt+bumproot/osh mut
20 8 13 14.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 10 11.7 osh-native mut+alloc
21 9 13 11.7 osh-native mut+alloc+free
21 12 9 9.4 osh-native mut+alloc+free+gc
22 11 11 9.7 osh-native mut+alloc+free+gc+exit
20 9 12 12.2 osh-nosouffle mut+alloc
22 10 13 12.1 osh-nosouffle mut+alloc+free
22 12 10 10.0 osh-nosouffle mut+alloc+free+gc
22 13 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 15 9 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 13 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc