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 34 5 11 12.0 18.4 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 37 5 12 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 148 27 73 45.9 51.6 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 156 26 72 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 9.0 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 25 0 2 2.8 8.9 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 226 0 4 11.6 9.0 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 232 0 4 11.6 9.6 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,248 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 22 1 2 3.0 10.0 117,247 277 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 11 2 3.3 bash -
90 53 44 3.5 zsh -
15 12 3 29.3 bumpleak/osh mut
17 12 4 30.7 _bin/cxx-opt+bumproot/osh mut
19 15 4 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 11 25.4 osh-native mut+alloc
28 21 7 25.8 osh-native mut+alloc+free
34 26 8 18.4 osh-native mut+alloc+free+gc
35 27 8 18.2 osh-native mut+alloc+free+gc+exit
29 22 6 26.0 osh-nosouffle mut+alloc
31 21 9 26.2 osh-nosouffle mut+alloc+free
37 31 6 18.6 osh-nosouffle mut+alloc+free+gc
36 31 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 26 13 32.2 _bin/cxx-opt+nopool/osh mut+alloc
50 38 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 1.6 dash -
42 41 1 3.4 bash -
324 182 165 3.7 zsh -
45 34 11 85.0 bumpleak/osh mut
48 38 10 86.4 _bin/cxx-opt+bumproot/osh mut
59 48 11 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 47 35 73.7 osh-native mut+alloc
93 59 34 75.5 osh-native mut+alloc+free
148 128 20 51.6 osh-native mut+alloc+free+gc
155 138 17 52.2 osh-native mut+alloc+free+gc+exit
93 47 46 74.1 osh-nosouffle mut+alloc
103 70 33 76.0 osh-nosouffle mut+alloc+free
156 129 27 52.1 osh-nosouffle mut+alloc+free+gc
164 139 25 52.9 osh-nosouffle mut+alloc+free+gc+exit
125 80 45 97.7 _bin/cxx-opt+nopool/osh mut+alloc
211 182 29 72.5 _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 1.7 dash -
4 3 1 3.3 bash -
6 4 3 3.3 zsh -
6 3 3 12.7 bumpleak/osh mut
6 2 4 13.3 _bin/cxx-opt+bumproot/osh mut
7 3 4 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
8 4 5 10.6 osh-native mut+alloc+free
9 7 3 8.8 osh-native mut+alloc+free+gc
9 9 0 8.8 osh-native mut+alloc+free+gc+exit
9 6 3 10.9 osh-nosouffle mut+alloc
9 6 3 11.3 osh-nosouffle mut+alloc+free
10 9 1 9.0 osh-nosouffle mut+alloc+free+gc
10 7 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 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
9 8 1 1.6 dash -
31 30 1 3.3 bash -
21 15 6 3.4 zsh -
17 14 3 32.7 bumpleak/osh mut
18 13 5 33.7 _bin/cxx-opt+bumproot/osh mut
21 13 8 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 20 8 27.0 osh-native mut+alloc
31 20 10 27.3 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
34 22 12 27.5 osh-nosouffle mut+alloc
37 21 16 27.8 osh-nosouffle mut+alloc+free
25 21 4 8.9 osh-nosouffle mut+alloc+free+gc
25 23 3 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 26 20 36.3 _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
104 101 3 3.5 bash -
212 164 48 56.6 bumpleak/osh mut
222 162 59 56.6 _bin/cxx-opt+bumproot/osh mut
240 181 59 57.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 192 65 48.9 osh-native mut+alloc
265 192 73 50.7 osh-native mut+alloc+free
226 179 47 9.0 osh-native mut+alloc+free+gc
227 184 42 9.0 osh-native mut+alloc+free+gc+exit
265 204 61 49.3 osh-nosouffle mut+alloc
273 200 73 51.1 osh-nosouffle mut+alloc+free
232 178 54 9.6 osh-nosouffle mut+alloc+free+gc
229 187 42 9.3 osh-nosouffle mut+alloc+free+gc+exit
275 183 92 65.1 _bin/cxx-opt+nopool/osh mut+alloc
262 197 64 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 3 6 3.9 dash -
16 8 8 4.8 bash -
16 3 14 4.1 zsh -
19 8 11 12.9 bumpleak/osh mut
19 9 11 13.5 _bin/cxx-opt+bumproot/osh mut
19 5 15 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 9 11 11.7 osh-native mut+alloc
23 9 14 11.7 osh-native mut+alloc+free
21 11 10 9.6 osh-native mut+alloc+free+gc
25 13 13 9.6 osh-native mut+alloc+free+gc+exit
24 13 13 11.9 osh-nosouffle mut+alloc
23 8 15 12.2 osh-nosouffle mut+alloc+free
22 9 14 10.0 osh-nosouffle mut+alloc+free+gc
23 13 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
24 11 14 13.2 _bin/cxx-opt+nopool/osh mut+alloc
25 14 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc