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 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 4 10 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 135 24 61 45.9 51.6 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 144 26 60 45.9 52.2 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 9 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 8.4 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 25 0 2 2.8 8.7 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 221 0 3 11.6 9.2 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 226 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 9.4 117,247 277 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
6 6 0 1.6 dash -
13 11 2 3.4 bash -
92 54 45 3.7 zsh -
15 7 8 28.8 bumpleak/osh mut
16 11 5 30.2 _bin/cxx-opt+bumproot/osh mut
19 16 3 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 16 9 25.4 osh-native mut+alloc
27 18 9 25.8 osh-native mut+alloc+free
32 25 7 18.2 osh-native mut+alloc+free+gc
33 25 7 18.2 osh-native mut+alloc+free+gc+exit
28 20 7 26.0 osh-nosouffle mut+alloc
29 18 12 26.3 osh-nosouffle mut+alloc+free
34 26 9 18.7 osh-nosouffle mut+alloc+free+gc
34 26 8 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 17 23 32.9 _bin/cxx-opt+nopool/osh mut+alloc
45 32 13 22.5 _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 23 0 1.7 dash -
43 41 2 3.4 bash -
329 178 173 3.7 zsh -
45 35 10 84.5 bumpleak/osh mut
48 40 8 85.6 _bin/cxx-opt+bumproot/osh mut
59 45 14 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 52 30 73.7 osh-native mut+alloc
93 68 25 75.3 osh-native mut+alloc+free
135 110 25 51.6 osh-native mut+alloc+free+gc
139 112 27 52.4 osh-native mut+alloc+free+gc+exit
93 65 28 74.1 osh-nosouffle mut+alloc
102 66 37 76.0 osh-nosouffle mut+alloc+free
144 116 28 52.2 osh-nosouffle mut+alloc+free+gc
149 130 19 52.8 osh-nosouffle mut+alloc+free+gc+exit
125 79 46 99.2 _bin/cxx-opt+nopool/osh mut+alloc
195 163 32 71.7 _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 1.7 dash -
4 2 2 3.3 bash -
6 1 5 3.4 zsh -
6 3 3 13.1 bumpleak/osh mut
6 4 2 11.6 _bin/cxx-opt+bumproot/osh mut
7 5 2 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
8 6 2 10.6 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 7 2 8.7 osh-native mut+alloc+free+gc+exit
8 5 3 11.0 osh-nosouffle mut+alloc
9 6 3 11.0 osh-nosouffle mut+alloc+free
9 6 3 9.2 osh-nosouffle mut+alloc+free+gc
10 5 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 12.2 _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
9 9 0 1.6 dash -
31 30 1 3.3 bash -
21 14 7 3.3 zsh -
17 12 5 32.6 bumpleak/osh mut
19 13 5 33.0 _bin/cxx-opt+bumproot/osh mut
21 13 8 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 15 14 27.0 osh-native mut+alloc
30 24 6 27.3 osh-native mut+alloc+free
19 17 3 8.4 osh-native mut+alloc+free+gc
19 16 4 8.4 osh-native mut+alloc+free+gc+exit
34 23 11 27.3 osh-nosouffle mut+alloc
36 24 12 27.5 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
24 21 3 8.9 osh-nosouffle mut+alloc+free+gc+exit
47 22 25 36.6 _bin/cxx-opt+nopool/osh mut+alloc
30 28 2 9.7 _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 99 5 3.5 bash -
212 158 54 55.9 bumpleak/osh mut
221 164 57 56.2 _bin/cxx-opt+bumproot/osh mut
237 189 48 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 172 84 48.8 osh-native mut+alloc
263 191 72 50.9 osh-native mut+alloc+free
221 160 61 9.2 osh-native mut+alloc+free+gc
222 178 44 9.0 osh-native mut+alloc+free+gc+exit
262 184 78 49.4 osh-nosouffle mut+alloc
272 207 65 51.2 osh-nosouffle mut+alloc+free
226 168 58 9.6 osh-nosouffle mut+alloc+free+gc
227 181 47 9.6 osh-nosouffle mut+alloc+free+gc+exit
277 201 76 64.7 _bin/cxx-opt+nopool/osh mut+alloc
249 207 42 10.7 _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 5 5 3.9 dash -
16 9 8 5.0 bash -
15 9 7 3.8 zsh -
17 9 9 14.4 bumpleak/osh mut
17 10 8 14.2 _bin/cxx-opt+bumproot/osh mut
18 9 10 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 10 11.7 osh-native mut+alloc
20 13 7 11.7 osh-native mut+alloc+free
20 10 11 9.4 osh-native mut+alloc+free+gc
21 11 11 9.6 osh-native mut+alloc+free+gc+exit
20 9 11 12.1 osh-nosouffle mut+alloc
22 9 13 12.3 osh-nosouffle mut+alloc+free
21 15 7 10.0 osh-nosouffle mut+alloc+free+gc
22 13 10 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 12 11 13.2 _bin/cxx-opt+nopool/osh mut+alloc
23 13 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc