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 3 9 12.0 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 143 24 70 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 155 24 71 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 1 2.8 8.8 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.2 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 230 0 4 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 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 6 1 1.7 dash -
13 12 1 3.4 bash -
91 54 43 3.5 zsh -
15 13 2 29.4 bumpleak/osh mut
16 14 2 29.1 _bin/cxx-opt+bumproot/osh mut
19 13 6 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 14 11 25.4 osh-native mut+alloc
28 15 13 25.7 osh-native mut+alloc+free
31 25 6 18.1 osh-native mut+alloc+free+gc
32 26 6 18.1 osh-native mut+alloc+free+gc+exit
28 19 9 26.0 osh-nosouffle mut+alloc
32 22 10 26.2 osh-nosouffle mut+alloc+free
34 30 4 18.7 osh-nosouffle mut+alloc+free+gc
36 31 4 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 22 17 32.2 _bin/cxx-opt+nopool/osh mut+alloc
46 38 8 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 1.6 dash -
42 41 1 3.4 bash -
328 189 161 3.5 zsh -
44 35 9 85.3 bumpleak/osh mut
48 40 8 86.6 _bin/cxx-opt+bumproot/osh mut
59 46 13 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 47 35 73.7 osh-native mut+alloc
91 58 33 75.5 osh-native mut+alloc+free
143 120 23 51.7 osh-native mut+alloc+free+gc
142 116 26 52.4 osh-native mut+alloc+free+gc+exit
94 58 36 74.1 osh-nosouffle mut+alloc
100 59 41 75.9 osh-nosouffle mut+alloc+free
155 134 21 52.1 osh-nosouffle mut+alloc+free+gc
150 125 25 52.8 osh-nosouffle mut+alloc+free+gc+exit
129 86 43 97.8 _bin/cxx-opt+nopool/osh mut+alloc
220 189 31 73.4 _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 2 4 3.3 zsh -
6 2 4 11.3 bumpleak/osh mut
7 5 2 12.5 _bin/cxx-opt+bumproot/osh mut
7 3 3 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 4 4 10.6 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 5 4 8.9 osh-native mut+alloc+free+gc+exit
9 6 3 10.9 osh-nosouffle mut+alloc
9 8 1 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.0 osh-nosouffle mut+alloc+free+gc
13 9 1 9.3 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
9 9 1 1.6 dash -
31 30 1 3.3 bash -
21 15 6 3.5 zsh -
17 15 2 32.1 bumpleak/osh mut
18 14 4 32.8 _bin/cxx-opt+bumproot/osh mut
21 14 7 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 18 11 26.9 osh-native mut+alloc
30 21 9 27.4 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 16 4 8.3 osh-native mut+alloc+free+gc+exit
34 23 11 27.4 osh-nosouffle mut+alloc
35 23 12 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
45 23 22 36.4 _bin/cxx-opt+nopool/osh mut+alloc
30 24 6 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 99 4 3.5 bash -
215 153 62 56.5 bumpleak/osh mut
218 166 52 58.0 _bin/cxx-opt+bumproot/osh mut
237 177 60 56.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 188 67 48.9 osh-native mut+alloc
262 196 65 50.6 osh-native mut+alloc+free
221 184 37 9.2 osh-native mut+alloc+free+gc
222 183 39 9.0 osh-native mut+alloc+free+gc+exit
262 198 64 49.3 osh-nosouffle mut+alloc
274 206 68 51.1 osh-nosouffle mut+alloc+free
230 189 41 9.4 osh-nosouffle mut+alloc+free+gc
229 177 52 9.6 osh-nosouffle mut+alloc+free+gc+exit
277 208 69 65.4 _bin/cxx-opt+nopool/osh mut+alloc
260 214 46 10.8 _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 4 6 3.9 dash -
16 12 5 4.8 bash -
16 6 10 3.9 zsh -
17 7 10 14.3 bumpleak/osh mut
19 8 12 13.6 _bin/cxx-opt+bumproot/osh mut
20 10 10 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 7 13 11.5 osh-native mut+alloc
21 6 15 11.7 osh-native mut+alloc+free
20 10 11 9.4 osh-native mut+alloc+free+gc
21 11 10 9.7 osh-native mut+alloc+free+gc+exit
20 8 13 12.2 osh-nosouffle mut+alloc
22 9 13 12.2 osh-nosouffle mut+alloc+free
21 12 10 10.0 osh-nosouffle mut+alloc+free+gc
22 12 11 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 14 9 12.9 _bin/cxx-opt+nopool/osh mut+alloc
24 15 10 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc