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 33 4 11 12.0 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 36 4 11 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 139 26 65 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 151 27 69 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 8.8 102,780 180 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 2 2.8 8.3 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 25 0 1 2.8 8.8 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 223 0 4 11.6 9.2 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 229 0 4 11.6 9.7 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 22 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
6 6 0 1.6 dash -
13 12 1 3.3 bash -
89 54 42 3.5 zsh -
16 12 3 28.4 bumpleak/osh mut
18 13 4 29.1 _bin/cxx-opt+bumproot/osh mut
20 16 3 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 15 10 25.4 osh-native mut+alloc
28 17 11 25.7 osh-native mut+alloc+free
33 22 11 18.2 osh-native mut+alloc+free+gc
34 24 9 18.2 osh-native mut+alloc+free+gc+exit
28 15 14 26.0 osh-nosouffle mut+alloc
31 18 13 26.3 osh-nosouffle mut+alloc+free
36 29 7 18.7 osh-nosouffle mut+alloc+free+gc
35 30 5 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 26 13 33.4 _bin/cxx-opt+nopool/osh mut+alloc
45 38 7 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 23 0 1.6 dash -
43 41 2 3.4 bash -
334 203 154 3.8 zsh -
45 33 12 86.2 bumpleak/osh mut
47 40 7 86.0 _bin/cxx-opt+bumproot/osh mut
60 47 13 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
81 52 30 73.8 osh-native mut+alloc
90 59 31 75.4 osh-native mut+alloc+free
139 113 26 51.7 osh-native mut+alloc+free+gc
147 120 26 52.3 osh-native mut+alloc+free+gc+exit
91 69 22 74.3 osh-nosouffle mut+alloc
100 61 39 76.2 osh-nosouffle mut+alloc+free
151 128 23 52.1 osh-nosouffle mut+alloc+free+gc
157 136 20 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 82 46 99.0 _bin/cxx-opt+nopool/osh mut+alloc
204 172 32 73.2 _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 1.6 dash -
4 2 1 3.1 bash -
6 3 3 3.3 zsh -
6 4 2 11.4 bumpleak/osh mut
6 2 4 12.7 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.6 osh-native mut+alloc
8 5 4 10.6 osh-native mut+alloc+free
9 7 3 8.8 osh-native mut+alloc+free+gc
10 7 2 8.8 osh-native mut+alloc+free+gc+exit
9 5 3 11.1 osh-nosouffle mut+alloc
9 6 3 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 7 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
10 10 0 1.6 dash -
32 31 1 3.1 bash -
21 14 8 3.4 zsh -
17 13 4 33.7 bumpleak/osh mut
18 13 5 32.6 _bin/cxx-opt+bumproot/osh mut
21 20 1 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 17 11 27.0 osh-native mut+alloc
31 19 12 27.1 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 21 12 27.5 osh-nosouffle mut+alloc
35 22 13 27.7 osh-nosouffle mut+alloc+free
25 21 4 8.8 osh-nosouffle mut+alloc+free+gc
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 25 21 36.4 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 9.9 _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
103 100 3 3.4 bash -
213 168 45 57.7 bumpleak/osh mut
228 188 39 57.3 _bin/cxx-opt+bumproot/osh mut
239 186 53 58.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 195 63 48.6 osh-native mut+alloc
265 196 69 50.7 osh-native mut+alloc+free
223 166 57 9.2 osh-native mut+alloc+free+gc
222 175 47 9.2 osh-native mut+alloc+free+gc+exit
264 188 77 49.2 osh-nosouffle mut+alloc
273 196 77 51.4 osh-nosouffle mut+alloc+free
229 179 51 9.7 osh-nosouffle mut+alloc+free+gc
227 174 53 9.7 osh-nosouffle mut+alloc+free+gc+exit
281 197 84 65.5 _bin/cxx-opt+nopool/osh mut+alloc
250 193 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 7 3 3.9 dash -
16 6 11 4.8 bash -
16 6 10 4.1 zsh -
19 7 13 13.6 bumpleak/osh mut
18 7 11 14.3 _bin/cxx-opt+bumproot/osh mut
20 11 10 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.5 osh-native mut+alloc
21 11 10 11.7 osh-native mut+alloc+free
21 11 11 9.4 osh-native mut+alloc+free+gc
21 10 12 9.7 osh-native mut+alloc+free+gc+exit
21 10 12 12.1 osh-nosouffle mut+alloc
22 8 15 12.3 osh-nosouffle mut+alloc+free
22 13 9 10.1 osh-nosouffle mut+alloc+free+gc
22 13 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 8 16 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 15 10 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc