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 18.2 471,252 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 135 26 62 45.9 51.9 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 147 26 63 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 8.8 102,780 180 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 1 2.8 8.4 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 25 0 2 2.8 8.7 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 220 0 3 11.6 9.2 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 225 0 3 11.6 9.6 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.3 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 21 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
6 5 2 1.6 dash -
13 13 0 3.3 bash -
88 47 48 3.5 zsh -
15 14 1 30.2 bumpleak/osh mut
16 12 4 30.4 _bin/cxx-opt+bumproot/osh mut
19 16 3 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 17 9 25.3 osh-native mut+alloc
27 18 9 25.8 osh-native mut+alloc+free
32 23 9 18.2 osh-native mut+alloc+free+gc
32 26 7 18.2 osh-native mut+alloc+free+gc+exit
28 18 11 26.1 osh-nosouffle mut+alloc
30 18 12 26.2 osh-nosouffle mut+alloc+free
35 28 7 18.7 osh-nosouffle mut+alloc+free+gc
36 29 7 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 21 19 32.2 _bin/cxx-opt+nopool/osh mut+alloc
47 39 8 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 42 0 3.4 bash -
324 177 170 3.7 zsh -
44 36 8 84.8 bumpleak/osh mut
48 40 8 85.4 _bin/cxx-opt+bumproot/osh mut
60 46 14 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 47 35 73.7 osh-native mut+alloc
91 58 33 75.4 osh-native mut+alloc+free
135 115 20 51.9 osh-native mut+alloc+free+gc
137 111 26 52.2 osh-native mut+alloc+free+gc+exit
94 57 37 74.1 osh-nosouffle mut+alloc
103 68 35 75.9 osh-nosouffle mut+alloc+free
147 122 25 52.1 osh-nosouffle mut+alloc+free+gc
151 128 23 52.9 osh-nosouffle mut+alloc+free+gc+exit
128 70 57 99.2 _bin/cxx-opt+nopool/osh mut+alloc
211 177 34 73.5 _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 2 0 1.7 dash -
4 2 2 3.3 bash -
6 4 3 3.3 zsh -
6 6 0 11.2 bumpleak/osh mut
6 5 1 11.9 _bin/cxx-opt+bumproot/osh mut
7 3 4 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 3 10.6 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 8 1 8.8 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
9 5 4 10.9 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.9 _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 30 1 3.3 bash -
21 18 3 3.5 zsh -
16 11 5 31.6 bumpleak/osh mut
18 14 4 32.5 _bin/cxx-opt+bumproot/osh mut
21 17 4 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 13 15 27.1 osh-native mut+alloc
30 17 12 27.1 osh-native mut+alloc+free
20 15 5 8.4 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
33 22 10 27.5 osh-nosouffle mut+alloc
35 21 14 27.8 osh-nosouffle mut+alloc+free
25 22 2 8.7 osh-nosouffle mut+alloc+free+gc
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 26 19 36.4 _bin/cxx-opt+nopool/osh mut+alloc
29 24 5 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 -
213 170 42 57.6 bumpleak/osh mut
221 174 47 56.9 _bin/cxx-opt+bumproot/osh mut
236 176 60 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 185 70 48.9 osh-native mut+alloc
263 194 69 50.7 osh-native mut+alloc+free
220 163 57 9.2 osh-native mut+alloc+free+gc
221 183 38 9.0 osh-native mut+alloc+free+gc+exit
261 193 68 49.3 osh-nosouffle mut+alloc
268 209 59 51.3 osh-nosouffle mut+alloc+free
225 170 56 9.6 osh-nosouffle mut+alloc+free+gc
226 184 42 9.2 osh-nosouffle mut+alloc+free+gc+exit
278 201 77 64.2 _bin/cxx-opt+nopool/osh mut+alloc
251 204 47 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 3 7 3.9 dash -
16 9 7 4.8 bash -
15 6 10 4.1 zsh -
19 9 10 13.6 bumpleak/osh mut
18 7 12 13.3 _bin/cxx-opt+bumproot/osh mut
18 10 9 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 7 12 11.5 osh-native mut+alloc
21 8 13 11.5 osh-native mut+alloc+free
20 11 10 9.3 osh-native mut+alloc+free+gc
22 10 12 9.6 osh-native mut+alloc+free+gc+exit
20 13 8 12.1 osh-nosouffle mut+alloc
22 7 15 12.3 osh-nosouffle mut+alloc+free
21 15 6 9.8 osh-nosouffle mut+alloc+free+gc
22 10 12 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 12 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 12 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc