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 34 4 10 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 131 21 57 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 140 23 58 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 9.2 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 19 0 1 2.8 8.1 576,705 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 219 0 3 11.6 9.2 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 227 0 3 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 9.3 117,247 277 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
6 6 0 1.7 dash -
13 12 1 3.4 bash -
89 48 47 3.4 zsh -
15 12 3 30.1 bumpleak/osh mut
16 13 3 29.0 _bin/cxx-opt+bumproot/osh mut
19 12 7 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 10 25.4 osh-native mut+alloc
28 17 11 25.8 osh-native mut+alloc+free
32 24 7 18.1 osh-native mut+alloc+free+gc
32 25 7 18.4 osh-native mut+alloc+free+gc+exit
28 20 8 25.8 osh-nosouffle mut+alloc
30 19 11 26.2 osh-nosouffle mut+alloc+free
34 29 5 18.6 osh-nosouffle mut+alloc+free+gc
34 29 5 18.8 osh-nosouffle mut+alloc+free+gc+exit
39 20 19 33.7 _bin/cxx-opt+nopool/osh mut+alloc
46 34 11 22.7 _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 41 1 3.4 bash -
323 180 165 3.9 zsh -
44 37 7 86.5 bumpleak/osh mut
49 41 8 85.6 _bin/cxx-opt+bumproot/osh mut
58 45 13 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 50 32 73.8 osh-native mut+alloc
91 62 29 75.6 osh-native mut+alloc+free
131 108 23 51.7 osh-native mut+alloc+free+gc
137 112 25 52.3 osh-native mut+alloc+free+gc+exit
91 62 29 74.1 osh-nosouffle mut+alloc
99 70 29 75.9 osh-nosouffle mut+alloc+free
140 117 23 52.1 osh-nosouffle mut+alloc+free+gc
147 117 30 52.8 osh-nosouffle mut+alloc+free+gc+exit
126 75 51 98.0 _bin/cxx-opt+nopool/osh mut+alloc
189 159 30 71.2 _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 1.7 dash -
4 3 1 3.3 bash -
6 4 3 3.4 zsh -
6 4 2 12.2 bumpleak/osh mut
6 3 3 11.6 _bin/cxx-opt+bumproot/osh mut
6 3 4 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.5 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 5 4 8.7 osh-native mut+alloc+free+gc
9 7 2 8.7 osh-native mut+alloc+free+gc+exit
8 6 3 10.9 osh-nosouffle mut+alloc
9 6 3 11.0 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 4 7 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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 9 1 1.7 dash -
31 30 1 3.1 bash -
21 16 5 3.4 zsh -
16 11 5 31.9 bumpleak/osh mut
18 14 3 32.4 _bin/cxx-opt+bumproot/osh mut
20 16 4 33.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 15 13 27.0 osh-native mut+alloc
30 18 12 27.1 osh-native mut+alloc+free
19 17 2 8.1 osh-native mut+alloc+free+gc
19 18 1 8.3 osh-native mut+alloc+free+gc+exit
32 28 5 27.4 osh-nosouffle mut+alloc
34 26 8 27.8 osh-nosouffle mut+alloc+free
24 20 4 8.7 osh-nosouffle mut+alloc+free+gc
24 20 4 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 27 19 36.5 _bin/cxx-opt+nopool/osh mut+alloc
29 27 2 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
103 102 1 3.4 bash -
210 155 55 57.9 bumpleak/osh mut
228 170 58 57.0 _bin/cxx-opt+bumproot/osh mut
235 183 52 58.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 191 63 48.8 osh-native mut+alloc
262 196 66 50.7 osh-native mut+alloc+free
219 172 47 9.2 osh-native mut+alloc+free+gc
220 176 44 9.0 osh-native mut+alloc+free+gc+exit
259 171 89 49.3 osh-nosouffle mut+alloc
265 192 73 51.3 osh-nosouffle mut+alloc+free
227 175 52 9.6 osh-nosouffle mut+alloc+free+gc
225 178 47 9.6 osh-nosouffle mut+alloc+free+gc+exit
275 193 82 64.8 _bin/cxx-opt+nopool/osh mut+alloc
247 204 44 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 6 3 3.9 dash -
15 8 8 4.8 bash -
15 8 8 3.8 zsh -
17 8 9 12.5 bumpleak/osh mut
18 8 11 13.6 _bin/cxx-opt+bumproot/osh mut
18 7 12 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 6 13 11.5 osh-native mut+alloc
20 8 13 11.7 osh-native mut+alloc+free
20 11 10 9.3 osh-native mut+alloc+free+gc
20 9 12 9.7 osh-native mut+alloc+free+gc+exit
20 11 10 12.1 osh-nosouffle mut+alloc
21 8 13 12.2 osh-nosouffle mut+alloc+free
21 11 10 10.1 osh-nosouffle mut+alloc+free+gc
21 14 8 10.1 osh-nosouffle mut+alloc+free+gc+exit
22 11 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 15 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc