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 18.0 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 130 26 58 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 140 23 58 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 9 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 1 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 226 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 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 12 1 3.3 bash -
89 50 46 3.5 zsh -
15 10 5 30.1 bumpleak/osh mut
16 14 2 29.4 _bin/cxx-opt+bumproot/osh mut
19 14 5 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 11 25.6 osh-native mut+alloc
28 17 10 26.0 osh-native mut+alloc+free
31 23 8 18.0 osh-native mut+alloc+free+gc
31 25 6 18.4 osh-native mut+alloc+free+gc+exit
28 16 12 26.0 osh-nosouffle mut+alloc
30 20 10 26.3 osh-nosouffle mut+alloc+free
34 24 10 18.7 osh-nosouffle mut+alloc+free+gc
34 22 12 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 20 19 32.8 _bin/cxx-opt+nopool/osh mut+alloc
46 40 6 22.7 _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 -
326 186 162 3.7 zsh -
45 36 9 84.9 bumpleak/osh mut
49 42 7 86.9 _bin/cxx-opt+bumproot/osh mut
59 50 9 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 48 35 73.8 osh-native mut+alloc
89 53 36 75.5 osh-native mut+alloc+free
130 109 21 51.7 osh-native mut+alloc+free+gc
136 111 25 52.3 osh-native mut+alloc+free+gc+exit
92 59 33 74.1 osh-nosouffle mut+alloc
100 68 32 76.2 osh-nosouffle mut+alloc+free
140 123 17 52.1 osh-nosouffle mut+alloc+free+gc
142 114 28 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 72 54 99.1 _bin/cxx-opt+nopool/osh mut+alloc
194 160 34 73.0 _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 4 0 3.1 bash -
6 3 3 3.3 zsh -
6 3 3 13.0 bumpleak/osh mut
6 3 3 11.8 _bin/cxx-opt+bumproot/osh mut
6 3 4 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 2 5 10.6 osh-native mut+alloc
8 2 6 10.6 osh-native mut+alloc+free
9 8 1 8.8 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
8 3 5 11.1 osh-nosouffle mut+alloc
9 6 3 11.1 osh-nosouffle mut+alloc+free
9 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 8 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 4 7 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 5 7 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 9 0 1.4 dash -
30 30 0 3.3 bash -
21 15 6 3.4 zsh -
16 12 4 33.6 bumpleak/osh mut
17 13 5 31.8 _bin/cxx-opt+bumproot/osh mut
21 16 5 34.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 9 27.0 osh-native mut+alloc
30 15 15 27.1 osh-native mut+alloc+free
20 17 2 8.4 osh-native mut+alloc+free+gc
20 19 1 8.1 osh-native mut+alloc+free+gc+exit
34 24 10 27.5 osh-nosouffle mut+alloc
35 24 10 27.7 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
24 23 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 27 18 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 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 3.4 bash -
210 162 48 57.5 bumpleak/osh mut
219 162 57 57.1 _bin/cxx-opt+bumproot/osh mut
236 181 55 56.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
253 176 78 48.8 osh-native mut+alloc
261 201 60 50.7 osh-native mut+alloc+free
220 181 40 9.2 osh-native mut+alloc+free+gc
229 177 52 9.0 osh-native mut+alloc+free+gc+exit
264 199 65 49.4 osh-nosouffle mut+alloc
269 200 69 51.1 osh-nosouffle mut+alloc+free
226 178 48 9.6 osh-nosouffle mut+alloc+free+gc
226 181 45 9.6 osh-nosouffle mut+alloc+free+gc+exit
278 209 69 66.0 _bin/cxx-opt+nopool/osh mut+alloc
247 188 59 10.4 _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 5 3.9 dash -
16 6 10 4.7 bash -
16 7 9 3.9 zsh -
18 9 9 13.0 bumpleak/osh mut
17 5 13 12.7 _bin/cxx-opt+bumproot/osh mut
20 10 11 14.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 11 11.3 osh-native mut+alloc
20 8 13 11.7 osh-native mut+alloc+free
20 13 7 9.4 osh-native mut+alloc+free+gc
20 11 10 9.6 osh-native mut+alloc+free+gc+exit
20 9 12 12.1 osh-nosouffle mut+alloc
21 13 8 12.3 osh-nosouffle mut+alloc+free
21 11 10 9.8 osh-nosouffle mut+alloc+free+gc
21 9 13 10.0 osh-nosouffle mut+alloc+free+gc+exit
23 10 13 13.0 _bin/cxx-opt+nopool/osh mut+alloc
23 15 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc