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 34 3 9 12.0 18.5 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 136 24 62 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 145 25 64 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 8.5 102,780 180 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 1 2.8 8.3 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 25 0 1 2.8 8.5 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.0 990,260 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 20 1 2 3.0 9.4 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 22 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 1.6 dash -
13 12 1 3.4 bash -
91 60 37 3.5 zsh -
14 9 5 29.2 bumpleak/osh mut
16 11 5 30.5 _bin/cxx-opt+bumproot/osh mut
20 10 10 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 16 9 25.4 osh-native mut+alloc
28 17 11 25.8 osh-native mut+alloc+free
32 24 8 18.1 osh-native mut+alloc+free+gc
32 28 4 18.2 osh-native mut+alloc+free+gc+exit
28 15 13 26.0 osh-nosouffle mut+alloc
30 22 8 26.2 osh-nosouffle mut+alloc+free
34 25 8 18.5 osh-nosouffle mut+alloc+free+gc
34 29 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 24 15 33.8 _bin/cxx-opt+nopool/osh mut+alloc
45 34 11 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 -
327 175 174 3.8 zsh -
44 30 14 85.9 bumpleak/osh mut
48 39 9 84.8 _bin/cxx-opt+bumproot/osh mut
59 45 14 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 50 32 73.7 osh-native mut+alloc
91 55 36 75.4 osh-native mut+alloc+free
136 113 23 51.7 osh-native mut+alloc+free+gc
139 113 26 52.5 osh-native mut+alloc+free+gc+exit
91 57 34 74.2 osh-nosouffle mut+alloc
100 68 32 76.2 osh-nosouffle mut+alloc+free
145 121 24 52.3 osh-nosouffle mut+alloc+free+gc
152 129 22 52.7 osh-nosouffle mut+alloc+free+gc+exit
124 80 44 99.3 _bin/cxx-opt+nopool/osh mut+alloc
196 164 31 71.6 _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 1 1 1.6 dash -
4 2 1 3.3 bash -
6 3 3 3.4 zsh -
6 4 2 11.9 bumpleak/osh mut
6 2 4 12.5 _bin/cxx-opt+bumproot/osh mut
7 5 2 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.5 osh-native mut+alloc
8 5 3 10.7 osh-native mut+alloc+free
9 5 4 8.5 osh-native mut+alloc+free+gc
9 6 3 8.9 osh-native mut+alloc+free+gc+exit
9 6 2 11.0 osh-nosouffle mut+alloc
9 4 5 11.0 osh-nosouffle mut+alloc+free
10 5 4 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
11 8 4 9.6 _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 29 1 3.3 bash -
21 14 7 3.4 zsh -
17 13 5 32.7 bumpleak/osh mut
18 13 5 32.3 _bin/cxx-opt+bumproot/osh mut
21 12 9 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 16 12 27.0 osh-native mut+alloc
30 23 7 27.1 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 16 4 8.1 osh-native mut+alloc+free+gc+exit
34 19 15 27.4 osh-nosouffle mut+alloc
36 24 12 27.9 osh-nosouffle mut+alloc+free
25 23 2 8.5 osh-nosouffle mut+alloc+free+gc
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 26 19 36.4 _bin/cxx-opt+nopool/osh mut+alloc
31 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
103 100 3 3.4 bash -
213 156 57 55.9 bumpleak/osh mut
221 172 49 56.8 _bin/cxx-opt+bumproot/osh mut
236 176 60 58.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 184 71 48.8 osh-native mut+alloc
262 198 64 50.6 osh-native mut+alloc+free
221 170 51 9.0 osh-native mut+alloc+free+gc
221 177 44 9.2 osh-native mut+alloc+free+gc+exit
263 193 70 49.2 osh-nosouffle mut+alloc
270 200 70 51.2 osh-nosouffle mut+alloc+free
227 166 61 9.4 osh-nosouffle mut+alloc+free+gc
227 185 42 9.4 osh-nosouffle mut+alloc+free+gc+exit
275 199 76 65.1 _bin/cxx-opt+nopool/osh mut+alloc
253 208 45 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 5 4 3.8 dash -
16 11 6 4.8 bash -
16 5 11 3.9 zsh -
18 8 10 12.9 bumpleak/osh mut
17 6 12 12.3 _bin/cxx-opt+bumproot/osh mut
20 11 10 14.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 7 13 11.7 osh-native mut+alloc
20 10 11 11.8 osh-native mut+alloc+free
20 10 11 9.4 osh-native mut+alloc+free+gc
21 11 10 9.6 osh-native mut+alloc+free+gc+exit
20 12 9 12.2 osh-nosouffle mut+alloc
21 13 10 12.3 osh-nosouffle mut+alloc+free
22 10 13 9.8 osh-nosouffle mut+alloc+free+gc
22 11 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
24 11 13 12.9 _bin/cxx-opt+nopool/osh mut+alloc
23 11 13 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc