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 34 3 9 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 128 22 56 45.9 51.6 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 141 24 58 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 8.9 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.1 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 25 0 1 2.8 8.8 576,705 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 226 0 3 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 9.6 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,246 277 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 12 1 3.4 bash -
88 53 41 3.4 zsh -
15 11 4 28.9 bumpleak/osh mut
16 11 5 29.0 _bin/cxx-opt+bumproot/osh mut
19 12 6 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 16 9 25.4 osh-native mut+alloc
27 18 10 25.8 osh-native mut+alloc+free
31 24 7 18.2 osh-native mut+alloc+free+gc
31 22 9 18.4 osh-native mut+alloc+free+gc+exit
28 18 10 26.0 osh-nosouffle mut+alloc
30 16 14 26.3 osh-nosouffle mut+alloc+free
34 28 6 18.6 osh-nosouffle mut+alloc+free+gc
34 27 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 24 15 32.6 _bin/cxx-opt+nopool/osh mut+alloc
45 37 8 22.8 _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 40 2 3.4 bash -
324 175 172 3.7 zsh -
44 33 11 84.8 bumpleak/osh mut
48 43 5 85.1 _bin/cxx-opt+bumproot/osh mut
58 43 15 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 49 34 73.7 osh-native mut+alloc
91 62 29 75.5 osh-native mut+alloc+free
128 106 22 51.6 osh-native mut+alloc+free+gc
135 117 18 52.2 osh-native mut+alloc+free+gc+exit
92 51 41 74.1 osh-nosouffle mut+alloc
100 67 33 76.0 osh-nosouffle mut+alloc+free
141 115 26 52.1 osh-nosouffle mut+alloc+free+gc
143 118 25 53.0 osh-nosouffle mut+alloc+free+gc+exit
125 93 32 99.1 _bin/cxx-opt+nopool/osh mut+alloc
189 151 38 73.1 _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 1.8 dash -
4 3 1 3.3 bash -
6 2 4 3.4 zsh -
6 4 2 11.3 bumpleak/osh mut
6 2 4 12.9 _bin/cxx-opt+bumproot/osh mut
7 3 4 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 3 10.6 osh-native mut+alloc
8 7 1 10.4 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
9 6 2 11.1 osh-nosouffle mut+alloc+free
10 7 2 8.9 osh-nosouffle mut+alloc+free+gc
10 10 0 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.8 _bin/cxx-opt+nopool/osh mut+alloc
11 7 5 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
10 10 0 1.6 dash -
30 29 1 3.3 bash -
21 18 3 3.4 zsh -
16 12 4 32.4 bumpleak/osh mut
17 15 2 32.5 _bin/cxx-opt+bumproot/osh mut
21 14 7 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 20 8 26.9 osh-native mut+alloc
31 15 16 27.4 osh-native mut+alloc+free
20 18 2 8.1 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
34 21 12 27.4 osh-nosouffle mut+alloc
35 26 9 27.8 osh-nosouffle mut+alloc+free
25 21 4 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 29 16 36.7 _bin/cxx-opt+nopool/osh mut+alloc
30 29 1 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
105 103 2 3.5 bash -
212 161 51 57.3 bumpleak/osh mut
219 164 55 57.7 _bin/cxx-opt+bumproot/osh mut
238 184 54 58.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 183 71 48.8 osh-native mut+alloc
261 183 77 50.7 osh-native mut+alloc+free
221 176 45 9.2 osh-native mut+alloc+free+gc
221 174 47 9.0 osh-native mut+alloc+free+gc+exit
260 177 84 49.3 osh-nosouffle mut+alloc
267 204 63 51.1 osh-nosouffle mut+alloc+free
226 179 47 9.6 osh-nosouffle mut+alloc+free+gc
226 181 45 9.4 osh-nosouffle mut+alloc+free+gc+exit
281 193 88 64.5 _bin/cxx-opt+nopool/osh mut+alloc
251 202 48 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 6 3 3.8 dash -
15 7 9 4.6 bash -
15 6 9 3.9 zsh -
17 6 12 12.7 bumpleak/osh mut
17 8 10 14.3 _bin/cxx-opt+bumproot/osh mut
18 7 11 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.5 osh-native mut+alloc
20 11 10 11.7 osh-native mut+alloc+free
20 13 7 9.6 osh-native mut+alloc+free+gc
20 14 7 9.7 osh-native mut+alloc+free+gc+exit
20 8 13 12.1 osh-nosouffle mut+alloc
21 11 11 12.3 osh-nosouffle mut+alloc+free
21 12 10 10.1 osh-nosouffle mut+alloc+free+gc
21 12 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
22 8 15 12.9 _bin/cxx-opt+nopool/osh mut+alloc
23 18 6 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc