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 18.0 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 35 4 10 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 140 23 64 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 150 24 65 45.9 52.3 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 9 1 2 2.6 8.5 102,780 180 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 8.3 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 25 0 1 2.8 8.8 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 217 0 4 11.6 8.9 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 222 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 9.4 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,246 277 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 6 0 1.7 dash -
13 11 2 3.3 bash -
88 48 48 3.4 zsh -
16 12 4 28.9 bumpleak/osh mut
16 14 2 29.7 _bin/cxx-opt+bumproot/osh mut
19 12 7 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 13 13 25.4 osh-native mut+alloc
28 22 6 26.0 osh-native mut+alloc+free
32 23 9 18.0 osh-native mut+alloc+free+gc
33 24 9 18.4 osh-native mut+alloc+free+gc+exit
28 13 15 25.8 osh-nosouffle mut+alloc
30 24 6 26.2 osh-nosouffle mut+alloc+free
35 28 7 18.6 osh-nosouffle mut+alloc+free+gc
35 27 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 23 17 32.9 _bin/cxx-opt+nopool/osh mut+alloc
46 38 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 23 0 1.7 dash -
42 41 1 3.5 bash -
336 186 173 3.5 zsh -
44 36 8 86.2 bumpleak/osh mut
48 37 11 84.5 _bin/cxx-opt+bumproot/osh mut
58 42 16 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 51 31 73.5 osh-native mut+alloc
94 66 28 75.6 osh-native mut+alloc+free
140 120 20 51.7 osh-native mut+alloc+free+gc
142 121 21 52.4 osh-native mut+alloc+free+gc+exit
93 58 35 74.2 osh-nosouffle mut+alloc
102 69 32 76.0 osh-nosouffle mut+alloc+free
150 123 27 52.3 osh-nosouffle mut+alloc+free+gc
153 127 26 52.8 osh-nosouffle mut+alloc+free+gc+exit
123 72 51 99.6 _bin/cxx-opt+nopool/osh mut+alloc
196 164 32 73.1 _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 1.8 dash -
4 3 1 3.1 bash -
6 3 4 3.4 zsh -
6 3 3 13.1 bumpleak/osh mut
6 4 2 13.1 _bin/cxx-opt+bumproot/osh mut
7 4 2 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 6 3 8.5 osh-native mut+alloc+free+gc
9 5 4 8.8 osh-native mut+alloc+free+gc+exit
9 2 7 10.9 osh-nosouffle mut+alloc
10 5 4 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 9.4 _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 9 1 1.6 dash -
31 30 1 3.4 bash -
21 16 5 3.4 zsh -
17 11 6 33.3 bumpleak/osh mut
18 13 5 32.6 _bin/cxx-opt+bumproot/osh mut
21 19 2 33.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 14 13 26.9 osh-native mut+alloc
30 21 9 27.3 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
20 20 0 8.3 osh-native mut+alloc+free+gc+exit
33 26 8 27.3 osh-nosouffle mut+alloc
35 25 10 27.9 osh-nosouffle mut+alloc+free
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 32 13 36.4 _bin/cxx-opt+nopool/osh mut+alloc
30 23 7 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
104 101 3 3.5 bash -
209 165 44 56.8 bumpleak/osh mut
218 160 58 56.5 _bin/cxx-opt+bumproot/osh mut
237 179 58 58.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
252 184 68 48.8 osh-native mut+alloc
260 192 68 50.7 osh-native mut+alloc+free
217 181 36 8.9 osh-native mut+alloc+free+gc
218 176 42 9.0 osh-native mut+alloc+free+gc+exit
259 198 61 49.3 osh-nosouffle mut+alloc
265 194 72 51.1 osh-nosouffle mut+alloc+free
222 178 44 9.6 osh-nosouffle mut+alloc+free+gc
223 175 48 9.4 osh-nosouffle mut+alloc+free+gc+exit
275 192 83 64.2 _bin/cxx-opt+nopool/osh mut+alloc
246 192 53 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 6 4.1 dash -
16 9 7 4.8 bash -
15 7 9 3.9 zsh -
17 8 9 14.0 bumpleak/osh mut
19 8 12 13.9 _bin/cxx-opt+bumproot/osh mut
20 11 10 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.7 osh-native mut+alloc
21 7 14 11.7 osh-native mut+alloc+free
20 10 11 9.4 osh-native mut+alloc+free+gc
21 13 8 9.7 osh-native mut+alloc+free+gc+exit
20 9 11 12.2 osh-nosouffle mut+alloc
22 9 13 12.2 osh-nosouffle mut+alloc+free
21 12 10 10.1 osh-nosouffle mut+alloc+free+gc
22 12 10 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 9 15 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 16 8 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc