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 34 5 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 147 27 72 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 158 26 74 45.9 52.3 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 10 1 2 2.6 8.7 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 10 1 2 2.6 9.0 102,780 180 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 8.7 576,705 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 229 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
7 7 0 1.7 dash -
13 12 1 3.4 bash -
90 50 48 3.5 zsh -
15 11 4 30.0 bumpleak/osh mut
16 11 4 29.4 _bin/cxx-opt+bumproot/osh mut
19 14 5 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 14 12 25.3 osh-native mut+alloc
28 19 9 25.7 osh-native mut+alloc+free
34 27 7 18.2 osh-native mut+alloc+free+gc
34 27 7 18.1 osh-native mut+alloc+free+gc+exit
28 18 10 26.0 osh-nosouffle mut+alloc
30 22 8 26.2 osh-nosouffle mut+alloc+free
36 29 6 18.7 osh-nosouffle mut+alloc+free+gc
36 26 11 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 28 12 32.2 _bin/cxx-opt+nopool/osh mut+alloc
49 39 10 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 3.4 bash -
326 189 158 3.7 zsh -
44 36 8 86.5 bumpleak/osh mut
49 40 9 84.9 _bin/cxx-opt+bumproot/osh mut
59 43 16 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
81 45 35 73.7 osh-native mut+alloc
90 57 32 75.8 osh-native mut+alloc+free
147 126 21 51.7 osh-native mut+alloc+free+gc
150 128 21 52.4 osh-native mut+alloc+free+gc+exit
91 58 33 74.2 osh-nosouffle mut+alloc
100 73 27 76.2 osh-nosouffle mut+alloc+free
158 135 23 52.3 osh-nosouffle mut+alloc+free+gc
160 131 29 52.9 osh-nosouffle mut+alloc+free+gc+exit
125 75 50 99.3 _bin/cxx-opt+nopool/osh mut+alloc
215 179 36 72.4 _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 3 1 3.1 bash -
7 4 2 3.4 zsh -
6 4 3 12.3 bumpleak/osh mut
7 4 2 11.9 _bin/cxx-opt+bumproot/osh mut
7 3 3 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.6 osh-native mut+alloc
9 7 1 10.5 osh-native mut+alloc+free
10 8 2 8.7 osh-native mut+alloc+free+gc
9 7 2 8.7 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 7 2 11.3 osh-nosouffle mut+alloc+free
10 7 3 9.0 osh-nosouffle mut+alloc+free+gc
11 7 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 9.6 _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 -
31 30 1 3.3 bash -
21 17 4 3.4 zsh -
17 10 7 32.4 bumpleak/osh mut
19 15 4 33.3 _bin/cxx-opt+bumproot/osh mut
21 18 3 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 18 10 26.9 osh-native mut+alloc
30 17 14 27.3 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
20 18 2 8.1 osh-native mut+alloc+free+gc+exit
33 21 12 27.5 osh-nosouffle mut+alloc
36 25 11 27.7 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.5 osh-nosouffle mut+alloc+free+gc+exit
45 28 17 36.4 _bin/cxx-opt+nopool/osh mut+alloc
29 24 5 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
103 102 1 3.4 bash -
215 160 55 57.7 bumpleak/osh mut
221 167 53 56.7 _bin/cxx-opt+bumproot/osh mut
240 189 51 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 182 75 48.6 osh-native mut+alloc
264 195 69 50.7 osh-native mut+alloc+free
222 174 48 9.0 osh-native mut+alloc+free+gc
222 182 40 9.2 osh-native mut+alloc+free+gc+exit
261 195 66 49.3 osh-nosouffle mut+alloc
271 215 56 51.2 osh-nosouffle mut+alloc+free
229 176 53 9.6 osh-nosouffle mut+alloc+free+gc
230 189 41 9.6 osh-nosouffle mut+alloc+free+gc+exit
288 210 78 64.6 _bin/cxx-opt+nopool/osh mut+alloc
256 213 43 10.4 _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 6 3.9 dash -
16 6 10 4.8 bash -
16 8 9 4.1 zsh -
18 6 12 12.5 bumpleak/osh mut
19 8 11 14.0 _bin/cxx-opt+bumproot/osh mut
19 8 11 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 10 11.5 osh-native mut+alloc
21 8 13 11.8 osh-native mut+alloc+free
20 10 11 9.4 osh-native mut+alloc+free+gc
21 12 10 9.7 osh-native mut+alloc+free+gc+exit
20 9 12 12.1 osh-nosouffle mut+alloc
22 9 13 12.2 osh-nosouffle mut+alloc+free
21 11 11 10.0 osh-nosouffle mut+alloc+free+gc
22 11 12 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 15 9 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 11 13 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc