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 33 5 11 12.0 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 35 4 10 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 141 25 67 45.9 51.9 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 147 26 65 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 9.2 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 25 0 2 2.8 8.8 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.0 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 226 0 4 11.6 9.7 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,208 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 22 1 2 3.0 10.0 117,207 277 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 10 3 3.4 bash -
91 62 36 3.7 zsh -
15 9 6 28.8 bumpleak/osh mut
16 13 3 29.9 _bin/cxx-opt+bumproot/osh mut
19 13 6 30.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.6 osh-native mut+alloc
28 18 10 25.8 osh-native mut+alloc+free
33 27 6 18.2 osh-native mut+alloc+free+gc
34 25 9 18.2 osh-native mut+alloc+free+gc+exit
28 19 9 26.0 osh-nosouffle mut+alloc
30 22 8 26.5 osh-nosouffle mut+alloc+free
35 25 10 18.7 osh-nosouffle mut+alloc+free+gc
37 30 7 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 25 13 33.2 _bin/cxx-opt+nopool/osh mut+alloc
47 33 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 40 2 3.4 bash -
335 193 164 3.7 zsh -
45 38 7 85.2 bumpleak/osh mut
47 39 8 84.6 _bin/cxx-opt+bumproot/osh mut
59 47 12 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 64 18 73.9 osh-native mut+alloc
89 54 35 75.5 osh-native mut+alloc+free
141 125 16 51.9 osh-native mut+alloc+free+gc
153 129 24 52.4 osh-native mut+alloc+free+gc+exit
91 65 26 74.1 osh-nosouffle mut+alloc
100 73 26 75.9 osh-nosouffle mut+alloc+free
147 122 25 52.1 osh-nosouffle mut+alloc+free+gc
176 153 23 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 80 48 98.0 _bin/cxx-opt+nopool/osh mut+alloc
213 182 31 71.5 _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 1.4 dash -
4 3 1 3.1 bash -
7 4 2 3.4 zsh -
6 4 2 11.5 bumpleak/osh mut
6 3 3 11.7 _bin/cxx-opt+bumproot/osh mut
6 4 2 11.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.5 osh-native mut+alloc
8 3 5 10.6 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
9 6 3 10.9 osh-nosouffle mut+alloc
9 5 4 11.0 osh-nosouffle mut+alloc+free
10 9 1 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 9 2 12.0 _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 10 0 1.6 dash -
31 29 2 3.3 bash -
21 15 6 3.4 zsh -
17 11 6 33.0 bumpleak/osh mut
18 12 7 33.2 _bin/cxx-opt+bumproot/osh mut
21 14 8 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 20 8 26.9 osh-native mut+alloc
31 20 10 27.0 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 18 2 8.4 osh-native mut+alloc+free+gc+exit
33 23 10 27.3 osh-nosouffle mut+alloc
35 26 9 27.7 osh-nosouffle mut+alloc+free
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 26 19 36.3 _bin/cxx-opt+nopool/osh mut+alloc
31 29 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
104 100 4 3.5 bash -
214 173 40 57.3 bumpleak/osh mut
220 163 56 56.8 _bin/cxx-opt+bumproot/osh mut
239 186 53 58.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 188 67 48.9 osh-native mut+alloc
266 205 61 50.7 osh-native mut+alloc+free
221 174 47 9.0 osh-native mut+alloc+free+gc
222 172 50 8.9 osh-native mut+alloc+free+gc+exit
263 195 68 49.3 osh-nosouffle mut+alloc
268 192 76 51.3 osh-nosouffle mut+alloc+free
226 173 53 9.7 osh-nosouffle mut+alloc+free+gc
229 189 40 9.6 osh-nosouffle mut+alloc+free+gc+exit
276 191 84 64.7 _bin/cxx-opt+nopool/osh mut+alloc
252 210 42 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 4 5 3.9 dash -
16 8 9 4.8 bash -
16 8 8 3.9 zsh -
17 7 10 12.7 bumpleak/osh mut
18 6 12 14.0 _bin/cxx-opt+bumproot/osh mut
18 9 10 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 12 11.5 osh-native mut+alloc
21 11 10 11.8 osh-native mut+alloc+free
20 11 10 9.4 osh-native mut+alloc+free+gc
21 11 11 9.6 osh-native mut+alloc+free+gc+exit
21 9 13 12.2 osh-nosouffle mut+alloc
22 11 12 12.1 osh-nosouffle mut+alloc+free
22 13 9 10.0 osh-nosouffle mut+alloc+free+gc
23 10 13 10.0 osh-nosouffle mut+alloc+free+gc+exit
23 15 9 13.2 _bin/cxx-opt+nopool/osh mut+alloc
25 13 12 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc