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 36 5 11 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 146 27 71 45.9 52.0 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 156 28 72 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 20 0 2 2.8 8.3 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 25 0 2 2.8 8.8 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 225 0 4 11.6 9.0 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 233 0 6 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 9.6 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 22 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
6 5 1 1.7 dash -
13 12 1 3.3 bash -
92 54 44 3.5 zsh -
16 14 2 28.9 bumpleak/osh mut
16 13 3 29.5 _bin/cxx-opt+bumproot/osh mut
20 14 6 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 11 25.6 osh-native mut+alloc
27 17 11 26.0 osh-native mut+alloc+free
32 27 5 18.1 osh-native mut+alloc+free+gc
34 28 6 18.3 osh-native mut+alloc+free+gc+exit
28 13 15 26.1 osh-nosouffle mut+alloc
30 19 11 26.2 osh-nosouffle mut+alloc+free
36 30 6 18.7 osh-nosouffle mut+alloc+free+gc
37 31 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 24 15 32.3 _bin/cxx-opt+nopool/osh mut+alloc
52 42 10 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 21 1 1.7 dash -
42 41 1 3.3 bash -
331 194 159 3.7 zsh -
45 38 7 85.8 bumpleak/osh mut
48 41 7 85.6 _bin/cxx-opt+bumproot/osh mut
59 45 13 85.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 52 30 73.5 osh-native mut+alloc
89 50 38 75.5 osh-native mut+alloc+free
146 123 23 52.0 osh-native mut+alloc+free+gc
150 125 25 52.4 osh-native mut+alloc+free+gc+exit
91 55 35 74.2 osh-nosouffle mut+alloc
101 62 39 76.1 osh-nosouffle mut+alloc+free
156 139 17 52.1 osh-nosouffle mut+alloc+free+gc
161 141 20 52.9 osh-nosouffle mut+alloc+free+gc+exit
124 88 36 98.1 _bin/cxx-opt+nopool/osh mut+alloc
206 181 25 73.6 _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 1.8 dash -
4 3 1 3.3 bash -
7 5 1 3.4 zsh -
7 3 4 12.0 bumpleak/osh mut
7 3 4 11.8 _bin/cxx-opt+bumproot/osh mut
7 4 3 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
9 6 3 10.7 osh-native mut+alloc+free
9 5 4 8.7 osh-native mut+alloc+free+gc
9 7 3 8.8 osh-native mut+alloc+free+gc+exit
9 5 4 10.9 osh-nosouffle mut+alloc
9 6 3 11.0 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 4 7 12.2 _bin/cxx-opt+nopool/osh mut+alloc
13 9 4 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 -
30 29 1 3.3 bash -
21 14 7 3.4 zsh -
17 14 3 32.9 bumpleak/osh mut
18 12 6 31.9 _bin/cxx-opt+bumproot/osh mut
21 14 7 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 9 26.9 osh-native mut+alloc
30 17 13 27.4 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 17 3 8.1 osh-native mut+alloc+free+gc+exit
34 25 8 27.4 osh-nosouffle mut+alloc
36 27 8 27.8 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 25 21 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 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 3.5 bash -
211 159 52 56.7 bumpleak/osh mut
220 168 52 57.8 _bin/cxx-opt+bumproot/osh mut
240 184 56 57.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
260 193 68 48.9 osh-native mut+alloc
265 200 65 50.7 osh-native mut+alloc+free
225 172 53 9.0 osh-native mut+alloc+free+gc
222 171 51 9.0 osh-native mut+alloc+free+gc+exit
261 188 73 49.3 osh-nosouffle mut+alloc
271 192 79 51.3 osh-nosouffle mut+alloc+free
233 183 49 9.4 osh-nosouffle mut+alloc+free+gc
228 182 46 9.4 osh-nosouffle mut+alloc+free+gc+exit
278 199 79 64.8 _bin/cxx-opt+nopool/osh mut+alloc
259 210 49 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 6 4 3.9 dash -
16 11 6 4.8 bash -
16 6 10 3.9 zsh -
18 10 9 14.2 bumpleak/osh mut
18 9 10 12.9 _bin/cxx-opt+bumproot/osh mut
19 8 11 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 11 9 11.7 osh-native mut+alloc
22 12 10 11.5 osh-native mut+alloc+free
21 13 9 9.6 osh-native mut+alloc+free+gc
22 13 10 9.7 osh-native mut+alloc+free+gc+exit
21 13 9 12.1 osh-nosouffle mut+alloc
22 8 15 12.2 osh-nosouffle mut+alloc+free
22 9 13 10.0 osh-nosouffle mut+alloc+free+gc
22 11 12 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 17 8 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc