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 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 129 22 56 45.9 51.6 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 137 22 55 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 9 1 2 2.6 9.0 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 19 0 1 2.8 8.4 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 24 0 1 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 225 0 3 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 9.3 117,247 277 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 5 1 1.7 dash -
13 12 1 3.3 bash -
87 48 46 3.5 zsh -
15 10 4 29.8 bumpleak/osh mut
16 12 4 30.1 _bin/cxx-opt+bumproot/osh mut
19 14 5 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 14 12 25.4 osh-native mut+alloc
27 18 9 25.8 osh-native mut+alloc+free
31 29 1 18.2 osh-native mut+alloc+free+gc
31 24 7 18.3 osh-native mut+alloc+free+gc+exit
28 16 12 26.0 osh-nosouffle mut+alloc
30 18 12 26.3 osh-nosouffle mut+alloc+free
34 28 6 18.7 osh-nosouffle mut+alloc+free+gc
34 29 5 18.6 osh-nosouffle mut+alloc+free+gc+exit
40 28 12 32.3 _bin/cxx-opt+nopool/osh mut+alloc
43 35 8 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 21 2 1.7 dash -
42 40 2 3.4 bash -
319 180 162 3.7 zsh -
45 38 7 85.4 bumpleak/osh mut
48 44 4 86.5 _bin/cxx-opt+bumproot/osh mut
59 43 16 87.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 53 30 73.7 osh-native mut+alloc
92 61 31 75.5 osh-native mut+alloc+free
129 111 18 51.6 osh-native mut+alloc+free+gc
135 113 21 52.4 osh-native mut+alloc+free+gc+exit
92 62 30 74.1 osh-nosouffle mut+alloc
102 62 39 76.0 osh-nosouffle mut+alloc+free
137 112 25 52.1 osh-nosouffle mut+alloc+free+gc
143 121 22 52.9 osh-nosouffle mut+alloc+free+gc+exit
124 74 50 98.8 _bin/cxx-opt+nopool/osh mut+alloc
187 154 33 70.9 _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 1 1 1.7 dash -
4 2 1 3.1 bash -
6 3 3 3.4 zsh -
6 5 1 11.4 bumpleak/osh mut
6 3 3 11.3 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.3 _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 9 0 8.7 osh-native mut+alloc+free+gc
9 8 1 8.8 osh-native mut+alloc+free+gc+exit
8 5 3 11.0 osh-nosouffle mut+alloc
9 4 4 11.0 osh-nosouffle mut+alloc+free
9 7 3 9.0 osh-nosouffle mut+alloc+free+gc
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.9 _bin/cxx-opt+nopool/osh mut+alloc
11 5 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 8 2 1.6 dash -
30 29 1 3.3 bash -
21 17 4 3.4 zsh -
16 12 4 32.8 bumpleak/osh mut
18 14 4 32.0 _bin/cxx-opt+bumproot/osh mut
20 13 7 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 18 10 27.0 osh-native mut+alloc
30 17 14 27.3 osh-native mut+alloc+free
19 16 4 8.4 osh-native mut+alloc+free+gc
19 19 0 8.3 osh-native mut+alloc+free+gc+exit
33 21 12 27.5 osh-nosouffle mut+alloc
35 25 9 27.8 osh-nosouffle mut+alloc+free
24 22 2 8.7 osh-nosouffle mut+alloc+free+gc
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 25 21 36.4 _bin/cxx-opt+nopool/osh mut+alloc
29 25 4 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
103 99 4 3.5 bash -
213 161 52 56.1 bumpleak/osh mut
220 172 48 56.4 _bin/cxx-opt+bumproot/osh mut
238 182 56 57.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 179 76 48.8 osh-native mut+alloc
264 198 66 50.7 osh-native mut+alloc+free
221 166 55 9.2 osh-native mut+alloc+free+gc
219 161 58 9.2 osh-native mut+alloc+free+gc+exit
260 195 65 49.1 osh-nosouffle mut+alloc
268 183 84 51.1 osh-nosouffle mut+alloc+free
225 177 48 9.4 osh-nosouffle mut+alloc+free+gc
232 183 49 9.6 osh-nosouffle mut+alloc+free+gc+exit
277 198 79 64.9 _bin/cxx-opt+nopool/osh mut+alloc
248 204 44 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 4 3.9 dash -
16 10 7 4.6 bash -
15 3 13 3.8 zsh -
17 9 8 14.2 bumpleak/osh mut
17 10 8 14.2 _bin/cxx-opt+bumproot/osh mut
18 6 13 14.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.5 osh-native mut+alloc
20 9 11 11.7 osh-native mut+alloc+free
20 13 8 9.3 osh-native mut+alloc+free+gc
20 13 8 9.6 osh-native mut+alloc+free+gc+exit
20 7 13 12.1 osh-nosouffle mut+alloc
21 10 12 12.1 osh-nosouffle mut+alloc+free
21 11 10 10.1 osh-nosouffle mut+alloc+free+gc
22 15 8 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 12 11 13.2 _bin/cxx-opt+nopool/osh mut+alloc
23 12 12 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc