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 31 4 10 12.0 18.1 471,252 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 154 29 79 45.9 51.9 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 156 28 73 45.9 52.3 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 9.3 102,780 180 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 8.8 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 224 0 4 11.6 9.2 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 227 0 4 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
7 7 0 1.7 dash -
13 12 1 3.3 bash -
91 51 47 3.5 zsh -
16 10 6 28.7 bumpleak/osh mut
17 13 4 30.4 _bin/cxx-opt+bumproot/osh mut
19 15 4 30.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 12 13 25.4 osh-native mut+alloc
28 20 8 25.8 osh-native mut+alloc+free
31 22 9 18.1 osh-native mut+alloc+free+gc
32 23 9 18.2 osh-native mut+alloc+free+gc+exit
29 20 9 26.0 osh-nosouffle mut+alloc
30 18 12 26.2 osh-nosouffle mut+alloc+free
33 26 7 18.5 osh-nosouffle mut+alloc+free+gc
35 26 9 18.6 osh-nosouffle mut+alloc+free+gc+exit
40 23 16 32.6 _bin/cxx-opt+nopool/osh mut+alloc
47 34 13 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 41 1 3.5 bash -
330 185 168 3.7 zsh -
45 35 10 86.3 bumpleak/osh mut
48 36 12 85.3 _bin/cxx-opt+bumproot/osh mut
58 47 11 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 51 31 73.7 osh-native mut+alloc
89 54 35 75.6 osh-native mut+alloc+free
154 125 29 51.9 osh-native mut+alloc+free+gc
155 132 23 52.4 osh-native mut+alloc+free+gc+exit
92 66 26 74.2 osh-nosouffle mut+alloc
102 66 35 75.9 osh-nosouffle mut+alloc+free
156 130 26 52.3 osh-nosouffle mut+alloc+free+gc
167 146 21 52.9 osh-nosouffle mut+alloc+free+gc+exit
124 86 38 98.0 _bin/cxx-opt+nopool/osh mut+alloc
212 190 22 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 1.8 dash -
4 2 1 3.1 bash -
6 2 4 3.4 zsh -
6 4 2 11.1 bumpleak/osh mut
6 3 3 11.8 _bin/cxx-opt+bumproot/osh mut
7 2 5 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 6 2 10.6 osh-native mut+alloc+free
9 5 4 8.7 osh-native mut+alloc+free+gc
9 7 3 8.9 osh-native mut+alloc+free+gc+exit
9 4 5 10.9 osh-nosouffle mut+alloc
9 6 3 11.0 osh-nosouffle mut+alloc+free
10 5 5 9.3 osh-nosouffle mut+alloc+free+gc
10 9 1 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 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 1.4 dash -
31 30 1 3.3 bash -
21 17 5 3.5 zsh -
17 15 2 32.1 bumpleak/osh mut
19 13 6 33.2 _bin/cxx-opt+bumproot/osh mut
21 19 2 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 17 11 26.9 osh-native mut+alloc
30 19 12 27.3 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
21 20 1 8.3 osh-native mut+alloc+free+gc+exit
34 22 12 27.5 osh-nosouffle mut+alloc
35 20 15 27.7 osh-nosouffle mut+alloc+free
25 21 4 8.8 osh-nosouffle mut+alloc+free+gc
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 32 15 36.5 _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 3.4 bash -
211 160 52 57.0 bumpleak/osh mut
220 165 55 56.1 _bin/cxx-opt+bumproot/osh mut
238 181 57 58.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 177 77 48.6 osh-native mut+alloc
265 194 71 50.7 osh-native mut+alloc+free
224 174 50 9.2 osh-native mut+alloc+free+gc
221 170 51 9.0 osh-native mut+alloc+free+gc+exit
260 194 66 49.2 osh-nosouffle mut+alloc
272 205 67 51.2 osh-nosouffle mut+alloc+free
227 184 43 9.4 osh-nosouffle mut+alloc+free+gc
226 178 49 9.6 osh-nosouffle mut+alloc+free+gc+exit
279 202 77 65.4 _bin/cxx-opt+nopool/osh mut+alloc
252 206 46 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 3.8 dash -
16 7 10 4.8 bash -
15 7 9 3.8 zsh -
18 5 13 12.1 bumpleak/osh mut
18 7 11 14.0 _bin/cxx-opt+bumproot/osh mut
19 8 11 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 11 11.7 osh-native mut+alloc
21 9 13 11.7 osh-native mut+alloc+free
21 12 10 9.6 osh-native mut+alloc+free+gc
22 10 13 9.6 osh-native mut+alloc+free+gc+exit
21 11 11 12.1 osh-nosouffle mut+alloc
22 11 12 12.2 osh-nosouffle mut+alloc+free
22 12 10 10.0 osh-nosouffle mut+alloc+free+gc
23 11 13 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 14 11 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc