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 35 4 10 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 137 24 63 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 146 25 62 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 8.3 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 25 0 1 2.8 8.8 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 220 0 3 11.6 9.2 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 227 0 3 11.6 9.4 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,208 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 21 1 2 3.0 9.8 117,207 277 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 11 2 3.4 bash -
91 55 43 3.5 zsh -
15 10 5 28.5 bumpleak/osh mut
17 14 2 28.8 _bin/cxx-opt+bumproot/osh mut
19 15 4 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 8 25.4 osh-native mut+alloc
28 20 7 25.8 osh-native mut+alloc+free
31 25 6 18.2 osh-native mut+alloc+free+gc
32 26 6 18.2 osh-native mut+alloc+free+gc+exit
28 22 6 26.0 osh-nosouffle mut+alloc
30 25 5 26.3 osh-nosouffle mut+alloc+free
35 26 9 18.6 osh-nosouffle mut+alloc+free+gc
35 27 9 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 21 19 33.1 _bin/cxx-opt+nopool/osh mut+alloc
46 35 12 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 1.6 dash -
42 41 1 3.4 bash -
320 185 158 3.7 zsh -
45 35 10 84.5 bumpleak/osh mut
48 39 9 84.6 _bin/cxx-opt+bumproot/osh mut
59 45 14 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 52 30 73.8 osh-native mut+alloc
91 67 24 75.5 osh-native mut+alloc+free
137 117 20 51.7 osh-native mut+alloc+free+gc
139 114 25 52.4 osh-native mut+alloc+free+gc+exit
93 64 29 74.3 osh-nosouffle mut+alloc
101 63 38 76.0 osh-nosouffle mut+alloc+free
146 116 30 52.3 osh-nosouffle mut+alloc+free+gc
148 129 19 52.9 osh-nosouffle mut+alloc+free+gc+exit
127 80 47 98.5 _bin/cxx-opt+nopool/osh mut+alloc
203 166 37 72.0 _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 1.7 dash -
4 2 1 3.1 bash -
7 1 5 3.5 zsh -
6 4 2 12.5 bumpleak/osh mut
6 3 3 11.3 _bin/cxx-opt+bumproot/osh mut
7 5 2 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.5 osh-native mut+alloc
8 5 3 10.5 osh-native mut+alloc+free
9 7 2 8.8 osh-native mut+alloc+free+gc
9 7 2 8.7 osh-native mut+alloc+free+gc+exit
9 5 4 10.7 osh-nosouffle mut+alloc
9 6 3 11.3 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 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
10 10 0 1.6 dash -
32 31 1 3.3 bash -
21 17 4 3.5 zsh -
17 15 2 32.7 bumpleak/osh mut
18 16 2 32.5 _bin/cxx-opt+bumproot/osh mut
21 18 3 33.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 22 6 26.7 osh-native mut+alloc
30 21 9 27.2 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 20 13 27.3 osh-nosouffle mut+alloc
36 23 13 27.4 osh-nosouffle mut+alloc+free
25 21 4 8.8 osh-nosouffle mut+alloc+free+gc
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 30 16 36.5 _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
103 100 3 3.4 bash -
211 152 59 56.1 bumpleak/osh mut
220 164 56 57.6 _bin/cxx-opt+bumproot/osh mut
238 186 52 58.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 196 59 48.9 osh-native mut+alloc
264 197 67 50.9 osh-native mut+alloc+free
220 154 66 9.2 osh-native mut+alloc+free+gc
221 178 43 9.0 osh-native mut+alloc+free+gc+exit
259 182 77 49.2 osh-nosouffle mut+alloc
268 204 64 51.3 osh-nosouffle mut+alloc+free
227 170 57 9.4 osh-nosouffle mut+alloc+free+gc
226 174 52 9.7 osh-nosouffle mut+alloc+free+gc+exit
277 201 76 64.4 _bin/cxx-opt+nopool/osh mut+alloc
249 199 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 4 3.9 dash -
16 9 7 4.8 bash -
16 10 6 4.1 zsh -
18 6 12 13.1 bumpleak/osh mut
17 8 9 13.9 _bin/cxx-opt+bumproot/osh mut
18 7 11 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 10 11.5 osh-native mut+alloc
21 11 10 11.7 osh-native mut+alloc+free
20 11 10 9.4 osh-native mut+alloc+free+gc
21 8 13 9.6 osh-native mut+alloc+free+gc+exit
20 8 12 12.2 osh-nosouffle mut+alloc
22 9 14 12.3 osh-nosouffle mut+alloc+free
21 11 11 9.8 osh-nosouffle mut+alloc+free+gc
22 12 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 13 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 13 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc