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 4 10 12.0 18.0 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 4 10 12.0 18.5 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 130 23 58 45.9 51.6 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 140 22 58 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 8.7 102,780 180 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 8.3 576,705 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 221 0 3 11.6 9.0 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 228 0 3 11.6 9.7 990,259 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 10.0 117,246 277 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
7 5 1 1.6 dash -
13 13 0 3.3 bash -
91 57 41 3.5 zsh -
15 11 4 30.1 bumpleak/osh mut
16 13 3 29.0 _bin/cxx-opt+bumproot/osh mut
19 11 8 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 11 25.3 osh-native mut+alloc
27 18 10 26.0 osh-native mut+alloc+free
31 25 6 18.0 osh-native mut+alloc+free+gc
33 27 6 18.4 osh-native mut+alloc+free+gc+exit
29 15 13 25.8 osh-nosouffle mut+alloc
31 19 12 26.2 osh-nosouffle mut+alloc+free
34 27 8 18.5 osh-nosouffle mut+alloc+free+gc
35 30 6 18.9 osh-nosouffle mut+alloc+free+gc+exit
39 20 20 32.8 _bin/cxx-opt+nopool/osh mut+alloc
45 35 10 22.5 _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 1.6 dash -
42 41 1 3.4 bash -
322 191 153 3.7 zsh -
44 35 9 84.9 bumpleak/osh mut
48 39 9 85.7 _bin/cxx-opt+bumproot/osh mut
58 43 15 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 51 31 73.7 osh-native mut+alloc
89 53 36 75.5 osh-native mut+alloc+free
130 107 23 51.6 osh-native mut+alloc+free+gc
138 116 22 52.4 osh-native mut+alloc+free+gc+exit
91 58 33 74.1 osh-nosouffle mut+alloc
99 62 37 75.9 osh-nosouffle mut+alloc+free
140 118 22 52.3 osh-nosouffle mut+alloc+free+gc
143 122 21 52.8 osh-nosouffle mut+alloc+free+gc+exit
124 88 36 98.5 _bin/cxx-opt+nopool/osh mut+alloc
189 161 28 72.9 _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 -
7 2 4 3.4 zsh -
6 3 3 13.2 bumpleak/osh mut
6 5 1 12.6 _bin/cxx-opt+bumproot/osh mut
7 2 5 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.6 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 4 5 8.7 osh-native mut+alloc+free+gc
9 6 3 8.9 osh-native mut+alloc+free+gc+exit
8 3 5 11.0 osh-nosouffle mut+alloc
9 5 3 10.9 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 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 31 0 3.3 bash -
21 17 4 3.5 zsh -
16 13 3 32.1 bumpleak/osh mut
18 12 7 33.4 _bin/cxx-opt+bumproot/osh mut
21 11 10 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 20 8 26.9 osh-native mut+alloc
29 20 9 27.3 osh-native mut+alloc+free
20 20 0 8.3 osh-native mut+alloc+free+gc
19 18 1 8.1 osh-native mut+alloc+free+gc+exit
33 26 7 27.5 osh-nosouffle mut+alloc
35 26 9 27.7 osh-nosouffle mut+alloc+free
25 20 5 8.7 osh-nosouffle mut+alloc+free+gc
24 24 0 8.8 osh-nosouffle mut+alloc+free+gc+exit
45 30 15 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 9.9 _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 99 4 3.4 bash -
214 161 53 57.8 bumpleak/osh mut
225 172 53 56.2 _bin/cxx-opt+bumproot/osh mut
260 204 55 56.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 176 80 48.6 osh-native mut+alloc
263 189 74 50.9 osh-native mut+alloc+free
221 163 58 9.0 osh-native mut+alloc+free+gc
221 170 51 9.2 osh-native mut+alloc+free+gc+exit
263 197 66 49.3 osh-nosouffle mut+alloc
271 207 64 51.1 osh-nosouffle mut+alloc+free
228 183 44 9.7 osh-nosouffle mut+alloc+free+gc
227 178 49 9.7 osh-nosouffle mut+alloc+free+gc+exit
280 206 74 64.4 _bin/cxx-opt+nopool/osh mut+alloc
251 199 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 6 3 4.1 dash -
16 10 6 4.8 bash -
15 9 7 4.1 zsh -
18 6 12 13.0 bumpleak/osh mut
19 7 13 13.5 _bin/cxx-opt+bumproot/osh mut
18 13 6 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 7 13 11.5 osh-native mut+alloc
20 10 11 11.7 osh-native mut+alloc+free
20 10 11 9.4 osh-native mut+alloc+free+gc
21 12 10 9.6 osh-native mut+alloc+free+gc+exit
20 10 10 12.2 osh-nosouffle mut+alloc
22 9 14 12.3 osh-nosouffle mut+alloc+free
21 9 13 10.0 osh-nosouffle mut+alloc+free+gc
22 11 11 10.2 osh-nosouffle mut+alloc+free+gc+exit
24 12 13 12.9 _bin/cxx-opt+nopool/osh mut+alloc
23 12 12 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc