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 4 10 12.0 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 35 3 9 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 169 32 93 45.9 51.9 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 174 30 86 45.9 52.0 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 11 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 8.4 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 227 0 4 11.6 9.2 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 232 0 4 11.6 9.6 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 22 1 2 3.0 9.4 117,208 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 23 1 2 3.0 10.1 117,207 277 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 5 1 1.6 dash -
13 12 1 3.3 bash -
93 50 51 3.4 zsh -
15 12 3 29.4 bumpleak/osh mut
18 12 6 29.1 _bin/cxx-opt+bumproot/osh mut
21 14 7 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 11 25.4 osh-native mut+alloc
28 21 7 25.7 osh-native mut+alloc+free
33 30 3 18.1 osh-native mut+alloc+free+gc
35 30 5 18.3 osh-native mut+alloc+free+gc+exit
28 17 12 26.0 osh-nosouffle mut+alloc
31 19 12 26.2 osh-nosouffle mut+alloc+free
35 28 6 18.7 osh-nosouffle mut+alloc+free+gc
37 28 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 17 22 32.3 _bin/cxx-opt+nopool/osh mut+alloc
48 39 9 22.7 _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 -
43 42 1 3.4 bash -
342 205 162 3.7 zsh -
47 35 12 85.6 bumpleak/osh mut
50 36 14 86.1 _bin/cxx-opt+bumproot/osh mut
60 41 19 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
86 54 32 73.7 osh-native mut+alloc
91 60 32 75.5 osh-native mut+alloc+free
169 147 22 51.9 osh-native mut+alloc+free+gc
161 134 26 52.3 osh-native mut+alloc+free+gc+exit
91 63 28 74.1 osh-nosouffle mut+alloc
104 65 39 76.0 osh-nosouffle mut+alloc+free
174 150 24 52.0 osh-nosouffle mut+alloc+free+gc
170 151 19 52.8 osh-nosouffle mut+alloc+free+gc+exit
129 76 52 97.9 _bin/cxx-opt+nopool/osh mut+alloc
223 184 39 72.7 _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 2 0 1.6 dash -
4 4 0 3.1 bash -
7 4 3 3.4 zsh -
6 4 2 11.4 bumpleak/osh mut
6 4 3 11.7 _bin/cxx-opt+bumproot/osh mut
7 3 4 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.6 osh-native mut+alloc
9 5 3 10.6 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
10 8 2 8.9 osh-native mut+alloc+free+gc+exit
9 6 3 10.9 osh-nosouffle mut+alloc
10 3 7 11.0 osh-nosouffle mut+alloc+free
11 7 4 9.2 osh-nosouffle mut+alloc+free+gc
11 7 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
12 6 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
13 8 5 9.3 _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 1.7 dash -
31 30 1 3.1 bash -
21 16 5 3.4 zsh -
18 16 2 33.3 bumpleak/osh mut
19 16 3 32.6 _bin/cxx-opt+bumproot/osh mut
22 19 2 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 18 11 27.0 osh-native mut+alloc
31 17 14 27.0 osh-native mut+alloc+free
20 19 1 8.4 osh-native mut+alloc+free+gc
21 18 3 8.1 osh-native mut+alloc+free+gc+exit
34 15 19 27.3 osh-nosouffle mut+alloc
36 29 7 27.4 osh-nosouffle mut+alloc+free
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc
25 21 4 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 32 14 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 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
106 103 3 3.5 bash -
220 170 50 57.3 bumpleak/osh mut
229 181 48 56.9 _bin/cxx-opt+bumproot/osh mut
247 190 57 58.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
264 180 84 48.8 osh-native mut+alloc
268 204 64 50.7 osh-native mut+alloc+free
227 178 49 9.2 osh-native mut+alloc+free+gc
228 177 51 9.2 osh-native mut+alloc+free+gc+exit
265 194 72 49.4 osh-nosouffle mut+alloc
276 219 57 51.3 osh-nosouffle mut+alloc+free
232 180 52 9.6 osh-nosouffle mut+alloc+free+gc
232 180 52 9.7 osh-nosouffle mut+alloc+free+gc+exit
287 205 82 64.1 _bin/cxx-opt+nopool/osh mut+alloc
267 233 34 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 3.9 dash -
17 10 8 5.0 bash -
16 5 11 3.8 zsh -
18 9 10 13.9 bumpleak/osh mut
19 10 9 14.4 _bin/cxx-opt+bumproot/osh mut
21 8 13 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 6 15 11.5 osh-native mut+alloc
22 10 13 11.5 osh-native mut+alloc+free
22 10 13 9.4 osh-native mut+alloc+free+gc
22 14 9 9.4 osh-native mut+alloc+free+gc+exit
21 11 11 12.1 osh-nosouffle mut+alloc
22 12 11 12.2 osh-nosouffle mut+alloc+free
23 12 12 10.1 osh-nosouffle mut+alloc+free+gc
23 14 10 10.0 osh-nosouffle mut+alloc+free+gc+exit
24 13 11 13.2 _bin/cxx-opt+nopool/osh mut+alloc
25 15 10 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc