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 32 4 10 12.0 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 37 5 12 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 147 26 72 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 162 32 75 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 1 2.8 8.7 576,705 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 9.0 990,260 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 20 1 2 3.0 9.4 117,248 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,247 277 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 7 0 1.7 dash -
13 12 1 3.4 bash -
92 59 40 3.5 zsh -
16 10 5 30.0 bumpleak/osh mut
16 12 4 30.5 _bin/cxx-opt+bumproot/osh mut
18 13 6 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 8 25.6 osh-native mut+alloc
29 20 9 25.8 osh-native mut+alloc+free
32 24 8 18.1 osh-native mut+alloc+free+gc
33 26 7 18.2 osh-native mut+alloc+free+gc+exit
29 16 12 26.0 osh-nosouffle mut+alloc
30 20 11 26.3 osh-nosouffle mut+alloc+free
37 30 7 18.7 osh-nosouffle mut+alloc+free+gc
36 28 8 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 30 9 32.1 _bin/cxx-opt+nopool/osh mut+alloc
51 38 12 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 22 1 1.7 dash -
42 40 2 3.5 bash -
328 182 171 3.7 zsh -
45 38 7 86.0 bumpleak/osh mut
48 37 11 85.3 _bin/cxx-opt+bumproot/osh mut
58 43 15 86.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 48 34 73.7 osh-native mut+alloc
91 60 31 75.5 osh-native mut+alloc+free
147 119 28 51.7 osh-native mut+alloc+free+gc
152 130 22 52.4 osh-native mut+alloc+free+gc+exit
92 64 27 74.1 osh-nosouffle mut+alloc
100 72 27 75.9 osh-nosouffle mut+alloc+free
162 140 22 52.1 osh-nosouffle mut+alloc+free+gc
176 148 28 52.8 osh-nosouffle mut+alloc+free+gc+exit
125 74 51 98.5 _bin/cxx-opt+nopool/osh mut+alloc
211 173 38 73.1 _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 3.4 zsh -
7 4 2 12.3 bumpleak/osh mut
6 5 1 12.6 _bin/cxx-opt+bumproot/osh mut
7 2 5 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.5 osh-native mut+alloc
9 3 5 10.6 osh-native mut+alloc+free
9 6 3 8.8 osh-native mut+alloc+free+gc
10 7 2 8.8 osh-native mut+alloc+free+gc+exit
9 5 4 10.9 osh-nosouffle mut+alloc
9 5 4 11.0 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.4 _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 1 1.6 dash -
30 30 0 3.3 bash -
21 14 8 3.5 zsh -
17 13 4 32.3 bumpleak/osh mut
19 14 5 32.5 _bin/cxx-opt+bumproot/osh mut
21 18 3 31.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 20 8 27.0 osh-native mut+alloc
31 20 11 27.3 osh-native mut+alloc+free
20 17 3 8.7 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
33 22 11 27.4 osh-nosouffle mut+alloc
35 21 14 27.8 osh-nosouffle mut+alloc+free
25 20 5 8.8 osh-nosouffle mut+alloc+free+gc
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 27 18 36.4 _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
104 98 6 3.3 bash -
212 152 60 56.4 bumpleak/osh mut
223 173 50 56.4 _bin/cxx-opt+bumproot/osh mut
241 185 56 57.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 184 73 48.9 osh-native mut+alloc
265 191 74 50.7 osh-native mut+alloc+free
223 181 42 9.0 osh-native mut+alloc+free+gc
223 182 42 9.2 osh-native mut+alloc+free+gc+exit
263 195 68 49.2 osh-nosouffle mut+alloc
268 193 76 51.2 osh-nosouffle mut+alloc+free
229 182 47 9.7 osh-nosouffle mut+alloc+free+gc
227 170 57 9.4 osh-nosouffle mut+alloc+free+gc+exit
278 195 83 65.1 _bin/cxx-opt+nopool/osh mut+alloc
254 204 50 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 5 5 3.9 dash -
16 7 10 4.7 bash -
15 7 9 3.8 zsh -
17 7 11 13.8 bumpleak/osh mut
19 8 12 12.7 _bin/cxx-opt+bumproot/osh mut
20 8 12 13.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 9 11 11.7 osh-native mut+alloc
21 13 9 11.7 osh-native mut+alloc+free
20 9 12 9.4 osh-native mut+alloc+free+gc
21 11 11 9.7 osh-native mut+alloc+free+gc+exit
20 10 11 12.2 osh-nosouffle mut+alloc
21 10 12 12.3 osh-nosouffle mut+alloc+free
21 11 11 10.0 osh-nosouffle mut+alloc+free+gc
22 10 13 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 14 10 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc