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 31 3 9 12.0 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 33 3 9 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 130 24 57 45.9 51.9 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 139 22 57 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 8.3 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 25 0 1 2.8 8.8 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 223 0 3 11.6 9.2 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 226 0 3 11.6 9.4 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.6 117,208 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 21 1 2 3.0 9.8 117,207 277 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
6 6 1 1.7 dash -
13 12 1 3.4 bash -
89 48 49 3.5 zsh -
16 13 3 29.0 bumpleak/osh mut
16 11 5 28.8 _bin/cxx-opt+bumproot/osh mut
19 14 5 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 15 11 25.7 osh-native mut+alloc
27 21 6 25.7 osh-native mut+alloc+free
31 24 7 18.2 osh-native mut+alloc+free+gc
32 24 8 18.4 osh-native mut+alloc+free+gc+exit
28 23 5 26.0 osh-nosouffle mut+alloc
29 18 12 26.3 osh-nosouffle mut+alloc+free
33 26 8 18.7 osh-nosouffle mut+alloc+free+gc
34 27 7 18.6 osh-nosouffle mut+alloc+free+gc+exit
38 26 12 32.0 _bin/cxx-opt+nopool/osh mut+alloc
43 34 9 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 -
329 193 159 3.8 zsh -
45 37 8 86.1 bumpleak/osh mut
49 36 13 86.7 _bin/cxx-opt+bumproot/osh mut
59 45 14 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 43 39 73.7 osh-native mut+alloc
90 59 31 75.5 osh-native mut+alloc+free
130 106 24 51.9 osh-native mut+alloc+free+gc
133 116 17 52.4 osh-native mut+alloc+free+gc+exit
91 57 34 74.1 osh-nosouffle mut+alloc
99 65 34 75.9 osh-nosouffle mut+alloc+free
139 112 27 52.0 osh-nosouffle mut+alloc+free+gc
146 124 22 52.9 osh-nosouffle mut+alloc+free+gc+exit
126 71 55 98.5 _bin/cxx-opt+nopool/osh mut+alloc
187 161 26 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 1 1 1.7 dash -
4 3 1 3.1 bash -
6 5 1 3.3 zsh -
6 4 2 12.4 bumpleak/osh mut
5 4 1 12.5 _bin/cxx-opt+bumproot/osh mut
7 5 1 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 3 5 10.6 osh-native mut+alloc+free
9 6 3 8.8 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
9 9 0 11.3 osh-nosouffle mut+alloc+free
10 6 3 9.2 osh-nosouffle mut+alloc+free+gc
10 5 5 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 4 7 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 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 1.4 dash -
31 30 1 3.1 bash -
21 17 4 3.4 zsh -
17 13 4 33.3 bumpleak/osh mut
18 14 4 32.8 _bin/cxx-opt+bumproot/osh mut
21 14 6 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 15 13 26.9 osh-native mut+alloc
30 22 8 27.0 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
37 29 8 27.4 osh-nosouffle mut+alloc
35 24 11 27.4 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
24 23 1 8.5 osh-nosouffle mut+alloc+free+gc+exit
46 30 16 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 29 1 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 3.4 bash -
212 158 54 56.7 bumpleak/osh mut
219 173 46 57.7 _bin/cxx-opt+bumproot/osh mut
236 168 68 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 189 66 48.8 osh-native mut+alloc
268 200 68 50.6 osh-native mut+alloc+free
223 167 56 9.2 osh-native mut+alloc+free+gc
223 166 57 9.0 osh-native mut+alloc+free+gc+exit
260 199 61 49.2 osh-nosouffle mut+alloc
268 201 67 51.3 osh-nosouffle mut+alloc+free
226 175 51 9.4 osh-nosouffle mut+alloc+free+gc
226 183 43 9.6 osh-nosouffle mut+alloc+free+gc+exit
279 200 79 64.0 _bin/cxx-opt+nopool/osh mut+alloc
247 187 60 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 6 3 3.9 dash -
16 9 7 4.7 bash -
15 12 4 3.9 zsh -
17 7 10 14.1 bumpleak/osh mut
17 6 11 14.1 _bin/cxx-opt+bumproot/osh mut
18 12 7 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.5 osh-native mut+alloc
21 9 12 11.8 osh-native mut+alloc+free
20 13 8 9.6 osh-native mut+alloc+free+gc
21 8 13 9.6 osh-native mut+alloc+free+gc+exit
20 8 13 12.1 osh-nosouffle mut+alloc
21 11 11 12.3 osh-nosouffle mut+alloc+free
21 15 7 9.8 osh-nosouffle mut+alloc+free+gc
22 14 9 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 8 16 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 13 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc