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 142 25 67 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 153 27 69 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 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 8.7 576,705 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 230 0 4 11.6 9.4 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,247 277 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 11 2 3.3 bash -
90 45 51 3.7 zsh -
16 12 4 29.1 bumpleak/osh mut
16 12 4 30.8 _bin/cxx-opt+bumproot/osh mut
19 12 7 30.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.4 osh-native mut+alloc
28 16 12 26.0 osh-native mut+alloc+free
31 24 7 18.1 osh-native mut+alloc+free+gc
32 26 6 18.2 osh-native mut+alloc+free+gc+exit
28 18 10 26.0 osh-nosouffle mut+alloc
32 15 14 26.2 osh-nosouffle mut+alloc+free
34 25 9 18.7 osh-nosouffle mut+alloc+free+gc
36 28 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
38 26 12 32.1 _bin/cxx-opt+nopool/osh mut+alloc
47 41 6 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 20 3 1.7 dash -
42 40 2 3.4 bash -
325 186 163 3.5 zsh -
44 33 11 84.5 bumpleak/osh mut
47 38 9 85.9 _bin/cxx-opt+bumproot/osh mut
59 50 9 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 39 44 73.6 osh-native mut+alloc
89 59 30 75.5 osh-native mut+alloc+free
142 118 23 51.7 osh-native mut+alloc+free+gc
143 117 26 52.4 osh-native mut+alloc+free+gc+exit
93 60 33 74.3 osh-nosouffle mut+alloc
100 61 39 75.9 osh-nosouffle mut+alloc+free
153 129 24 52.0 osh-nosouffle mut+alloc+free+gc
156 136 20 52.8 osh-nosouffle mut+alloc+free+gc+exit
123 71 52 98.4 _bin/cxx-opt+nopool/osh mut+alloc
200 163 37 73.5 _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 2 1 3.1 bash -
6 5 1 3.4 zsh -
6 3 3 12.9 bumpleak/osh mut
6 3 3 12.7 _bin/cxx-opt+bumproot/osh mut
7 3 4 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 2 6 10.5 osh-native mut+alloc
8 4 4 10.6 osh-native mut+alloc+free
9 6 3 8.8 osh-native mut+alloc+free+gc
9 7 3 8.8 osh-native mut+alloc+free+gc+exit
9 4 5 11.1 osh-nosouffle mut+alloc
9 6 3 11.1 osh-nosouffle mut+alloc+free
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 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 -
31 29 2 3.1 bash -
21 16 5 3.5 zsh -
17 12 4 32.9 bumpleak/osh mut
18 14 4 32.1 _bin/cxx-opt+bumproot/osh mut
21 15 6 33.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 15 13 27.0 osh-native mut+alloc
30 19 11 27.4 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
20 15 4 8.4 osh-native mut+alloc+free+gc+exit
34 20 14 27.7 osh-nosouffle mut+alloc
35 22 13 27.5 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 30 16 36.2 _bin/cxx-opt+nopool/osh mut+alloc
29 26 4 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
104 98 6 3.5 bash -
212 158 55 56.6 bumpleak/osh mut
220 162 58 56.2 _bin/cxx-opt+bumproot/osh mut
235 180 55 56.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 190 66 48.8 osh-native mut+alloc
268 202 66 50.7 osh-native mut+alloc+free
221 170 51 9.0 osh-native mut+alloc+free+gc
222 171 51 9.2 osh-native mut+alloc+free+gc+exit
260 190 70 49.3 osh-nosouffle mut+alloc
268 187 81 51.4 osh-nosouffle mut+alloc+free
230 186 44 9.4 osh-nosouffle mut+alloc+free+gc
228 189 39 9.6 osh-nosouffle mut+alloc+free+gc+exit
286 210 76 64.1 _bin/cxx-opt+nopool/osh mut+alloc
255 198 57 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 6 10 4.7 bash -
15 4 11 4.1 zsh -
17 9 8 13.8 bumpleak/osh mut
19 8 11 13.7 _bin/cxx-opt+bumproot/osh mut
20 10 10 14.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.5 osh-native mut+alloc
21 9 12 11.7 osh-native mut+alloc+free
20 10 10 9.4 osh-native mut+alloc+free+gc
21 11 10 9.6 osh-native mut+alloc+free+gc+exit
20 12 9 12.2 osh-nosouffle mut+alloc
22 9 13 12.3 osh-nosouffle mut+alloc+free
21 15 7 10.0 osh-nosouffle mut+alloc+free+gc
22 10 13 9.8 osh-nosouffle mut+alloc+free+gc+exit
23 9 15 12.9 _bin/cxx-opt+nopool/osh mut+alloc
24 15 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc