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 18.1 471,252 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 130 23 58 45.9 51.6 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 146 25 63 45.9 52.1 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 10 1 2 2.6 9.0 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.1 576,705 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 3 11.6 9.2 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.6 990,259 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 5 2 1.7 dash -
13 13 0 3.4 bash -
90 58 39 3.4 zsh -
15 11 5 29.0 bumpleak/osh mut
16 12 4 30.4 _bin/cxx-opt+bumproot/osh mut
19 13 6 30.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 15 10 25.4 osh-native mut+alloc
27 18 9 25.8 osh-native mut+alloc+free
31 26 5 18.1 osh-native mut+alloc+free+gc
32 26 6 18.2 osh-native mut+alloc+free+gc+exit
28 21 7 25.8 osh-nosouffle mut+alloc
31 17 13 26.3 osh-nosouffle mut+alloc+free
34 27 7 18.7 osh-nosouffle mut+alloc+free+gc
36 30 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
38 29 9 32.2 _bin/cxx-opt+nopool/osh mut+alloc
44 34 10 22.9 _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 23 0 1.7 dash -
42 41 1 3.4 bash -
330 192 162 3.7 zsh -
45 38 7 85.0 bumpleak/osh mut
48 40 8 86.6 _bin/cxx-opt+bumproot/osh mut
58 46 12 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 55 27 73.7 osh-native mut+alloc
91 63 27 75.4 osh-native mut+alloc+free
130 107 23 51.6 osh-native mut+alloc+free+gc
138 116 22 52.5 osh-native mut+alloc+free+gc+exit
92 55 37 74.1 osh-nosouffle mut+alloc
101 64 36 75.9 osh-nosouffle mut+alloc+free
146 123 23 52.1 osh-nosouffle mut+alloc+free+gc
152 129 23 53.0 osh-nosouffle mut+alloc+free+gc+exit
127 78 49 98.1 _bin/cxx-opt+nopool/osh mut+alloc
196 163 33 71.7 _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 3.3 bash -
6 2 4 3.4 zsh -
6 4 2 12.5 bumpleak/osh mut
5 4 1 12.6 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.5 osh-native mut+alloc
8 5 4 10.7 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
9 5 5 8.9 osh-native mut+alloc+free+gc+exit
9 6 3 10.9 osh-nosouffle mut+alloc
9 4 5 11.3 osh-nosouffle mut+alloc+free
10 8 2 9.0 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 9 2 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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
9 9 1 1.4 dash -
31 30 1 3.3 bash -
21 15 6 3.4 zsh -
16 12 4 31.9 bumpleak/osh mut
19 14 5 33.5 _bin/cxx-opt+bumproot/osh mut
21 15 6 33.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 16 12 26.9 osh-native mut+alloc
30 18 12 27.4 osh-native mut+alloc+free
20 19 1 8.1 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 24 9 27.4 osh-nosouffle mut+alloc
35 23 12 27.9 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 24 22 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 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
103 97 6 3.4 bash -
213 157 56 57.5 bumpleak/osh mut
220 163 57 57.8 _bin/cxx-opt+bumproot/osh mut
236 172 64 57.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 184 71 48.7 osh-native mut+alloc
263 218 45 50.7 osh-native mut+alloc+free
221 178 42 9.2 osh-native mut+alloc+free+gc
221 171 50 9.0 osh-native mut+alloc+free+gc+exit
260 195 65 49.3 osh-nosouffle mut+alloc
268 211 57 51.2 osh-nosouffle mut+alloc+free
227 166 61 9.6 osh-nosouffle mut+alloc+free+gc
227 186 41 9.8 osh-nosouffle mut+alloc+free+gc+exit
277 204 73 65.6 _bin/cxx-opt+nopool/osh mut+alloc
248 193 55 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 4 5 3.9 dash -
16 7 9 4.7 bash -
15 6 10 4.1 zsh -
18 8 10 12.6 bumpleak/osh mut
18 8 10 12.7 _bin/cxx-opt+bumproot/osh mut
18 12 6 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 10 11.4 osh-native mut+alloc
21 11 10 11.7 osh-native mut+alloc+free
20 13 8 9.4 osh-native mut+alloc+free+gc
21 12 10 9.7 osh-native mut+alloc+free+gc+exit
20 10 11 12.1 osh-nosouffle mut+alloc
22 10 12 12.2 osh-nosouffle mut+alloc+free
21 13 9 10.0 osh-nosouffle mut+alloc+free+gc
22 13 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 10 13 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 13 11 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc