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 30 3 9 12.0 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 4 10 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 128 21 55 45.9 51.6 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 142 23 60 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 9.2 102,780 180 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 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 8.9 990,260 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
6 6 0 1.7 dash -
13 12 1 3.4 bash -
89 56 40 3.5 zsh -
15 10 5 30.1 bumpleak/osh mut
16 12 4 29.1 _bin/cxx-opt+bumproot/osh mut
19 14 5 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 14 11 25.7 osh-native mut+alloc
26 17 9 25.7 osh-native mut+alloc+free
30 25 5 18.2 osh-native mut+alloc+free+gc
31 23 8 18.4 osh-native mut+alloc+free+gc+exit
27 17 10 26.1 osh-nosouffle mut+alloc
29 20 9 26.2 osh-nosouffle mut+alloc+free
34 27 7 18.6 osh-nosouffle mut+alloc+free+gc
34 27 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 27 12 33.3 _bin/cxx-opt+nopool/osh mut+alloc
43 37 7 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 3.5 bash -
343 186 180 3.7 zsh -
44 37 7 85.2 bumpleak/osh mut
47 38 9 84.9 _bin/cxx-opt+bumproot/osh mut
58 41 17 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 51 31 73.7 osh-native mut+alloc
90 60 31 75.5 osh-native mut+alloc+free
128 110 19 51.6 osh-native mut+alloc+free+gc
133 109 24 52.4 osh-native mut+alloc+free+gc+exit
91 51 40 74.2 osh-nosouffle mut+alloc
99 70 29 76.0 osh-nosouffle mut+alloc+free
142 113 29 52.1 osh-nosouffle mut+alloc+free+gc
147 119 28 52.9 osh-nosouffle mut+alloc+free+gc+exit
125 78 47 99.1 _bin/cxx-opt+nopool/osh mut+alloc
185 146 39 72.9 _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 3 1 3.1 bash -
6 3 3 3.4 zsh -
6 3 3 12.2 bumpleak/osh mut
6 4 2 11.6 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 3 10.6 osh-native mut+alloc
8 6 2 10.7 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 6 3 8.9 osh-native mut+alloc+free+gc+exit
8 6 2 11.0 osh-nosouffle mut+alloc
9 5 3 11.0 osh-nosouffle mut+alloc+free
10 9 1 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 12.2 _bin/cxx-opt+nopool/osh mut+alloc
12 6 6 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
9 9 0 1.4 dash -
31 30 1 3.1 bash -
21 16 5 3.4 zsh -
17 12 5 33.0 bumpleak/osh mut
19 14 5 33.5 _bin/cxx-opt+bumproot/osh mut
20 16 4 33.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 16 12 26.9 osh-native mut+alloc
30 18 12 27.3 osh-native mut+alloc+free
20 18 1 8.3 osh-native mut+alloc+free+gc
20 19 1 8.5 osh-native mut+alloc+free+gc+exit
33 20 13 27.5 osh-nosouffle mut+alloc
35 22 13 27.7 osh-nosouffle mut+alloc+free
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc
24 23 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 29 16 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 3.3 bash -
214 152 62 56.4 bumpleak/osh mut
219 176 44 57.5 _bin/cxx-opt+bumproot/osh mut
239 179 60 58.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 192 62 48.9 osh-native mut+alloc
264 188 75 50.6 osh-native mut+alloc+free
221 154 67 8.9 osh-native mut+alloc+free+gc
220 173 47 9.2 osh-native mut+alloc+free+gc+exit
258 182 76 49.3 osh-nosouffle mut+alloc
268 201 67 51.3 osh-nosouffle mut+alloc+free
227 189 38 9.6 osh-nosouffle mut+alloc+free+gc
225 175 50 9.4 osh-nosouffle mut+alloc+free+gc+exit
277 192 85 65.4 _bin/cxx-opt+nopool/osh mut+alloc
248 203 45 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 7 2 3.9 dash -
15 10 6 4.8 bash -
15 6 10 3.8 zsh -
18 9 9 13.2 bumpleak/osh mut
17 9 9 12.5 _bin/cxx-opt+bumproot/osh mut
18 9 9 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 10 11.7 osh-native mut+alloc
20 11 9 11.8 osh-native mut+alloc+free
20 12 8 9.4 osh-native mut+alloc+free+gc
20 11 10 9.7 osh-native mut+alloc+free+gc+exit
20 6 15 12.2 osh-nosouffle mut+alloc
21 12 10 12.2 osh-nosouffle mut+alloc+free
21 10 12 10.0 osh-nosouffle mut+alloc+free+gc
22 11 12 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 16 8 12.9 _bin/cxx-opt+nopool/osh mut+alloc
23 12 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc