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 18.4 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 33 3 9 12.0 18.5 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 132 23 60 45.9 52.0 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 141 22 59 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 9.0 102,780 180 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 2 2.8 8.8 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 216 0 4 11.6 9.2 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 223 0 3 11.6 9.4 990,259 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 9.8 117,246 277 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 6 1 1.7 dash -
13 13 0 3.3 bash -
89 48 48 3.5 zsh -
15 11 4 30.8 bumpleak/osh mut
16 13 3 29.9 _bin/cxx-opt+bumproot/osh mut
18 12 6 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 16 9 25.4 osh-native mut+alloc
27 17 10 25.8 osh-native mut+alloc+free
32 23 9 18.4 osh-native mut+alloc+free+gc
33 25 8 18.3 osh-native mut+alloc+free+gc+exit
28 19 9 26.0 osh-nosouffle mut+alloc
30 19 11 26.2 osh-nosouffle mut+alloc+free
33 25 8 18.5 osh-nosouffle mut+alloc+free+gc
34 26 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
38 26 13 32.4 _bin/cxx-opt+nopool/osh mut+alloc
45 35 10 22.4 _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 41 1 3.5 bash -
320 185 157 3.5 zsh -
45 39 6 85.7 bumpleak/osh mut
48 40 8 85.0 _bin/cxx-opt+bumproot/osh mut
58 42 16 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 59 24 73.7 osh-native mut+alloc
92 59 33 75.4 osh-native mut+alloc+free
132 111 21 52.0 osh-native mut+alloc+free+gc
137 118 19 52.4 osh-native mut+alloc+free+gc+exit
91 56 35 74.1 osh-nosouffle mut+alloc
102 67 35 76.0 osh-nosouffle mut+alloc+free
141 115 26 52.1 osh-nosouffle mut+alloc+free+gc
146 124 22 52.8 osh-nosouffle mut+alloc+free+gc+exit
123 70 53 99.2 _bin/cxx-opt+nopool/osh mut+alloc
192 156 36 74.2 _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 1 1 1.6 dash -
4 3 1 3.3 bash -
6 3 4 3.4 zsh -
6 4 2 11.8 bumpleak/osh mut
6 4 2 13.2 _bin/cxx-opt+bumproot/osh mut
6 5 2 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
8 2 6 10.9 osh-nosouffle mut+alloc
9 4 5 11.0 osh-nosouffle mut+alloc+free
10 6 4 9.0 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.9 _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
10 9 1 1.6 dash -
30 28 2 3.3 bash -
21 16 5 3.5 zsh -
17 11 6 32.5 bumpleak/osh mut
18 14 4 32.6 _bin/cxx-opt+bumproot/osh mut
21 18 3 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 16 12 26.9 osh-native mut+alloc
30 19 11 27.1 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 24 10 27.5 osh-nosouffle mut+alloc
35 27 8 27.7 osh-nosouffle mut+alloc+free
25 21 4 8.8 osh-nosouffle mut+alloc+free+gc
25 21 3 8.8 osh-nosouffle mut+alloc+free+gc+exit
45 30 15 36.7 _bin/cxx-opt+nopool/osh mut+alloc
30 26 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 98 5 3.4 bash -
209 161 48 57.2 bumpleak/osh mut
218 165 53 57.0 _bin/cxx-opt+bumproot/osh mut
236 176 60 58.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
252 189 63 48.8 osh-native mut+alloc
261 198 63 50.7 osh-native mut+alloc+free
216 174 42 9.2 osh-native mut+alloc+free+gc
218 169 49 9.2 osh-native mut+alloc+free+gc+exit
258 180 77 49.3 osh-nosouffle mut+alloc
266 203 63 51.2 osh-nosouffle mut+alloc+free
223 180 43 9.4 osh-nosouffle mut+alloc+free+gc
223 184 39 9.6 osh-nosouffle mut+alloc+free+gc+exit
275 196 79 65.8 _bin/cxx-opt+nopool/osh mut+alloc
249 201 48 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 3 6 3.9 dash -
16 7 10 4.8 bash -
15 8 8 3.9 zsh -
17 7 10 13.8 bumpleak/osh mut
17 5 13 12.4 _bin/cxx-opt+bumproot/osh mut
19 10 9 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 10 11.7 osh-native mut+alloc
20 10 11 11.7 osh-native mut+alloc+free
20 12 9 9.4 osh-native mut+alloc+free+gc
21 13 8 9.6 osh-native mut+alloc+free+gc+exit
21 8 14 12.1 osh-nosouffle mut+alloc
22 9 13 12.3 osh-nosouffle mut+alloc+free
21 13 9 9.8 osh-nosouffle mut+alloc+free+gc
22 14 8 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 10 13 13.2 _bin/cxx-opt+nopool/osh mut+alloc
23 14 10 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc