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 3 9 12.0 18.1 471,252 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 139 25 65 45.9 51.6 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 154 25 70 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 8.8 102,780 180 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 8.1 572,104 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 225 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 10.1 117,207 277 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 7 0 1.7 dash -
13 12 1 3.3 bash -
90 52 45 3.5 zsh -
15 10 5 28.7 bumpleak/osh mut
17 16 1 29.2 _bin/cxx-opt+bumproot/osh mut
20 12 8 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 20 6 25.6 osh-native mut+alloc
28 16 11 26.0 osh-native mut+alloc+free
32 26 6 18.1 osh-native mut+alloc+free+gc
33 27 6 18.4 osh-native mut+alloc+free+gc+exit
28 20 8 25.8 osh-nosouffle mut+alloc
30 22 8 26.3 osh-nosouffle mut+alloc+free
34 29 6 18.7 osh-nosouffle mut+alloc+free+gc
36 27 9 18.6 osh-nosouffle mut+alloc+free+gc+exit
40 20 19 32.4 _bin/cxx-opt+nopool/osh mut+alloc
46 36 10 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 22 1 1.7 dash -
42 41 1 3.5 bash -
321 172 173 3.7 zsh -
46 38 8 84.9 bumpleak/osh mut
48 38 10 84.9 _bin/cxx-opt+bumproot/osh mut
59 43 16 85.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 53 31 73.7 osh-native mut+alloc
92 54 38 75.5 osh-native mut+alloc+free
139 110 29 51.6 osh-native mut+alloc+free+gc
142 116 26 52.2 osh-native mut+alloc+free+gc+exit
93 59 34 74.1 osh-nosouffle mut+alloc
101 65 36 75.9 osh-nosouffle mut+alloc+free
154 130 24 52.0 osh-nosouffle mut+alloc+free+gc
154 133 21 52.8 osh-nosouffle mut+alloc+free+gc+exit
126 77 49 98.5 _bin/cxx-opt+nopool/osh mut+alloc
203 161 42 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 2 0 1.4 dash -
4 3 1 3.1 bash -
7 5 2 3.3 zsh -
6 2 4 11.4 bumpleak/osh mut
6 3 4 11.8 _bin/cxx-opt+bumproot/osh mut
7 4 3 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.5 osh-native mut+alloc
8 5 3 10.7 osh-native mut+alloc+free
9 7 2 8.8 osh-native mut+alloc+free+gc
9 5 4 8.8 osh-native mut+alloc+free+gc+exit
9 6 2 11.0 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 11 1 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 -
30 30 0 3.1 bash -
21 17 4 3.4 zsh -
16 11 5 32.1 bumpleak/osh mut
18 13 5 32.3 _bin/cxx-opt+bumproot/osh mut
20 13 8 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 18 11 26.9 osh-native mut+alloc
31 19 12 27.1 osh-native mut+alloc+free
20 19 1 8.1 osh-native mut+alloc+free+gc
20 19 1 8.4 osh-native mut+alloc+free+gc+exit
33 21 12 27.3 osh-nosouffle mut+alloc
35 26 9 27.5 osh-nosouffle mut+alloc+free
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 28 17 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 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
103 101 2 3.5 bash -
212 160 52 57.3 bumpleak/osh mut
219 169 50 57.7 _bin/cxx-opt+bumproot/osh mut
239 181 58 58.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 187 68 48.8 osh-native mut+alloc
268 204 63 50.7 osh-native mut+alloc+free
221 182 39 9.0 osh-native mut+alloc+free+gc
221 167 54 9.2 osh-native mut+alloc+free+gc+exit
262 204 57 49.3 osh-nosouffle mut+alloc
266 192 74 51.1 osh-nosouffle mut+alloc+free
225 175 50 9.7 osh-nosouffle mut+alloc+free+gc
226 178 48 9.6 osh-nosouffle mut+alloc+free+gc+exit
278 190 88 65.0 _bin/cxx-opt+nopool/osh mut+alloc
251 203 47 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 4 3.8 dash -
16 9 7 4.8 bash -
15 5 10 3.8 zsh -
17 9 9 12.7 bumpleak/osh mut
18 11 8 13.1 _bin/cxx-opt+bumproot/osh mut
18 8 11 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 7 13 11.5 osh-native mut+alloc
20 11 10 11.7 osh-native mut+alloc+free
20 8 13 9.4 osh-native mut+alloc+free+gc
21 9 12 9.6 osh-native mut+alloc+free+gc+exit
20 7 14 12.1 osh-nosouffle mut+alloc
22 9 14 12.2 osh-nosouffle mut+alloc+free
22 12 11 10.1 osh-nosouffle mut+alloc+free+gc
22 12 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 12 12 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc