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 35 4 10 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 131 24 59 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 150 28 66 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 9.3 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.4 576,705 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 222 0 4 11.6 9.0 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.4 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,248 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,247 277 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 1.6 dash -
13 12 1 3.3 bash -
92 53 46 3.4 zsh -
15 12 3 29.2 bumpleak/osh mut
16 14 2 30.1 _bin/cxx-opt+bumproot/osh mut
19 16 3 30.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 11 25.4 osh-native mut+alloc
28 23 5 25.8 osh-native mut+alloc+free
31 25 6 18.2 osh-native mut+alloc+free+gc
33 27 6 18.2 osh-native mut+alloc+free+gc+exit
28 17 12 25.8 osh-nosouffle mut+alloc
30 21 9 26.2 osh-nosouffle mut+alloc+free
35 29 6 18.6 osh-nosouffle mut+alloc+free+gc
35 23 12 18.6 osh-nosouffle mut+alloc+free+gc+exit
40 19 20 32.9 _bin/cxx-opt+nopool/osh mut+alloc
47 33 14 22.5 _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 3.3 bash -
335 181 177 3.8 zsh -
45 38 7 85.4 bumpleak/osh mut
49 38 11 85.7 _bin/cxx-opt+bumproot/osh mut
59 45 14 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 59 24 73.7 osh-native mut+alloc
91 58 33 75.5 osh-native mut+alloc+free
131 109 23 51.7 osh-native mut+alloc+free+gc
137 106 31 52.4 osh-native mut+alloc+free+gc+exit
92 60 32 74.2 osh-nosouffle mut+alloc
100 67 33 76.0 osh-nosouffle mut+alloc+free
150 113 37 52.1 osh-nosouffle mut+alloc+free+gc
152 136 16 52.9 osh-nosouffle mut+alloc+free+gc+exit
125 83 42 97.8 _bin/cxx-opt+nopool/osh mut+alloc
194 154 40 72.8 _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 2 1 3.1 bash -
6 1 5 3.4 zsh -
6 5 1 11.7 bumpleak/osh mut
6 3 3 12.4 _bin/cxx-opt+bumproot/osh mut
6 5 1 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 4 4 10.7 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
9 6 3 9.0 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
9 6 3 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 10 1 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 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 29 2 3.3 bash -
21 17 4 3.4 zsh -
17 13 4 33.0 bumpleak/osh mut
18 14 4 33.3 _bin/cxx-opt+bumproot/osh mut
21 17 4 33.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 17 12 27.0 osh-native mut+alloc
31 19 12 27.1 osh-native mut+alloc+free
20 18 2 8.4 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
33 19 14 27.4 osh-nosouffle mut+alloc
37 22 14 27.8 osh-nosouffle mut+alloc+free
25 25 0 8.7 osh-nosouffle mut+alloc+free+gc
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 30 15 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 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
103 100 3 3.5 bash -
212 156 56 57.5 bumpleak/osh mut
221 163 58 57.9 _bin/cxx-opt+bumproot/osh mut
240 176 64 58.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 193 62 48.9 osh-native mut+alloc
263 200 63 50.7 osh-native mut+alloc+free
222 169 53 9.0 osh-native mut+alloc+free+gc
220 170 50 9.2 osh-native mut+alloc+free+gc+exit
263 205 57 49.3 osh-nosouffle mut+alloc
274 192 82 51.4 osh-nosouffle mut+alloc+free
227 174 53 9.4 osh-nosouffle mut+alloc+free+gc
230 177 53 9.6 osh-nosouffle mut+alloc+free+gc+exit
277 198 80 64.9 _bin/cxx-opt+nopool/osh mut+alloc
251 201 50 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 -
16 7 9 3.9 zsh -
18 9 10 12.3 bumpleak/osh mut
19 10 9 13.0 _bin/cxx-opt+bumproot/osh mut
19 11 8 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 9 11 11.5 osh-native mut+alloc
21 9 12 11.7 osh-native mut+alloc+free
21 16 6 9.6 osh-native mut+alloc+free+gc
21 10 12 9.7 osh-native mut+alloc+free+gc+exit
20 10 11 12.1 osh-nosouffle mut+alloc
22 15 8 12.2 osh-nosouffle mut+alloc+free
21 11 11 10.1 osh-nosouffle mut+alloc+free+gc
23 13 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 13 11 12.9 _bin/cxx-opt+nopool/osh mut+alloc
24 15 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc