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 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 137 24 62 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 140 23 57 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 8.8 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 9 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 8.3 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 24 0 1 2.8 8.7 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 221 0 3 11.6 9.2 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 226 0 4 11.6 9.6 990,249 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
6 6 1 1.8 dash -
13 12 1 3.3 bash -
88 54 41 3.5 zsh -
15 12 4 30.3 bumpleak/osh mut
16 13 3 30.0 _bin/cxx-opt+bumproot/osh mut
20 14 6 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 8 25.4 osh-native mut+alloc
28 16 11 26.0 osh-native mut+alloc+free
31 23 8 18.1 osh-native mut+alloc+free+gc
32 26 6 18.2 osh-native mut+alloc+free+gc+exit
28 19 9 25.8 osh-nosouffle mut+alloc
30 18 12 26.3 osh-nosouffle mut+alloc+free
34 25 9 18.7 osh-nosouffle mut+alloc+free+gc
34 26 8 18.6 osh-nosouffle mut+alloc+free+gc+exit
40 21 19 33.6 _bin/cxx-opt+nopool/osh mut+alloc
45 34 11 22.6 _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 -
323 177 171 3.7 zsh -
45 37 8 84.7 bumpleak/osh mut
51 41 10 85.8 _bin/cxx-opt+bumproot/osh mut
59 46 13 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 44 38 73.7 osh-native mut+alloc
93 59 34 75.6 osh-native mut+alloc+free
137 111 26 51.7 osh-native mut+alloc+free+gc
139 116 23 52.4 osh-native mut+alloc+free+gc+exit
92 71 21 74.2 osh-nosouffle mut+alloc
100 70 30 76.0 osh-nosouffle mut+alloc+free
140 116 24 52.0 osh-nosouffle mut+alloc+free+gc
145 119 26 52.9 osh-nosouffle mut+alloc+free+gc+exit
126 79 47 97.6 _bin/cxx-opt+nopool/osh mut+alloc
205 176 29 72.1 _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 2 3.1 bash -
6 5 2 3.4 zsh -
6 4 2 11.5 bumpleak/osh mut
7 3 4 11.9 _bin/cxx-opt+bumproot/osh mut
7 4 3 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
8 4 4 10.7 osh-native mut+alloc+free
9 4 5 8.8 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 4 4 11.1 osh-nosouffle mut+alloc+free
9 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 5 7 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.4 _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 3.1 bash -
21 13 8 3.4 zsh -
17 12 5 32.2 bumpleak/osh mut
17 15 3 31.8 _bin/cxx-opt+bumproot/osh mut
21 16 5 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 9 26.9 osh-native mut+alloc
30 19 11 27.1 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
19 16 4 8.1 osh-native mut+alloc+free+gc+exit
33 22 11 27.1 osh-nosouffle mut+alloc
35 24 11 27.5 osh-nosouffle mut+alloc+free
24 23 1 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.5 osh-nosouffle mut+alloc+free+gc+exit
45 28 17 36.7 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 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
104 102 2 3.4 bash -
211 165 46 57.5 bumpleak/osh mut
219 161 58 57.0 _bin/cxx-opt+bumproot/osh mut
240 182 57 58.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 185 70 48.8 osh-native mut+alloc
263 198 65 50.9 osh-native mut+alloc+free
221 174 47 9.2 osh-native mut+alloc+free+gc
220 174 46 9.2 osh-native mut+alloc+free+gc+exit
261 180 81 49.3 osh-nosouffle mut+alloc
271 192 80 51.3 osh-nosouffle mut+alloc+free
226 178 48 9.6 osh-nosouffle mut+alloc+free+gc
229 175 53 9.6 osh-nosouffle mut+alloc+free+gc+exit
280 204 76 64.6 _bin/cxx-opt+nopool/osh mut+alloc
251 201 50 10.4 _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 7 9 4.8 bash -
15 6 10 4.1 zsh -
17 7 11 12.4 bumpleak/osh mut
18 8 10 12.4 _bin/cxx-opt+bumproot/osh mut
20 8 13 14.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 13 7 11.5 osh-native mut+alloc
21 10 11 11.8 osh-native mut+alloc+free
20 13 8 9.4 osh-native mut+alloc+free+gc
21 13 9 9.6 osh-native mut+alloc+free+gc+exit
20 8 13 12.1 osh-nosouffle mut+alloc
22 9 13 12.3 osh-nosouffle mut+alloc+free
21 10 11 9.8 osh-nosouffle mut+alloc+free+gc
22 11 12 10.0 osh-nosouffle mut+alloc+free+gc+exit
23 13 10 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 14 10 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc