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 33 4 10 12.0 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 36 4 10 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 152 28 78 45.9 51.9 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 156 27 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 8.7 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 10 1 2 2.6 9.3 102,780 180 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 8.7 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 225 0 5 11.6 9.2 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 230 0 4 11.6 9.7 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 22 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
7 5 2 1.6 dash -
13 10 3 3.3 bash -
91 52 46 3.5 zsh -
15 11 4 30.2 bumpleak/osh mut
16 11 5 29.7 _bin/cxx-opt+bumproot/osh mut
19 11 8 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 13 13 25.6 osh-native mut+alloc
28 12 16 25.8 osh-native mut+alloc+free
33 27 6 18.2 osh-native mut+alloc+free+gc
33 26 7 18.2 osh-native mut+alloc+free+gc+exit
28 16 12 26.0 osh-nosouffle mut+alloc
31 22 9 26.2 osh-nosouffle mut+alloc+free
36 27 9 18.6 osh-nosouffle mut+alloc+free+gc
38 32 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 27 12 32.7 _bin/cxx-opt+nopool/osh mut+alloc
50 39 11 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 3.4 bash -
327 179 171 3.8 zsh -
44 37 7 85.3 bumpleak/osh mut
48 36 12 84.9 _bin/cxx-opt+bumproot/osh mut
59 48 11 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 47 36 73.8 osh-native mut+alloc
91 48 43 75.6 osh-native mut+alloc+free
152 126 26 51.9 osh-native mut+alloc+free+gc
157 135 22 52.5 osh-native mut+alloc+free+gc+exit
93 58 34 74.1 osh-nosouffle mut+alloc
101 65 36 76.0 osh-nosouffle mut+alloc+free
156 137 19 52.1 osh-nosouffle mut+alloc+free+gc
168 146 22 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 68 59 99.5 _bin/cxx-opt+nopool/osh mut+alloc
218 188 30 71.2 _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 2 4 3.3 zsh -
6 4 2 11.3 bumpleak/osh mut
6 5 1 11.6 _bin/cxx-opt+bumproot/osh mut
7 6 1 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 7 1 10.4 osh-native mut+alloc
8 4 4 10.5 osh-native mut+alloc+free
9 8 1 8.7 osh-native mut+alloc+free+gc
9 8 1 8.8 osh-native mut+alloc+free+gc+exit
9 5 3 11.0 osh-nosouffle mut+alloc
9 4 5 11.1 osh-nosouffle mut+alloc+free
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 4 7 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 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 9 1 1.6 dash -
30 29 1 3.4 bash -
21 12 9 3.4 zsh -
17 15 2 33.3 bumpleak/osh mut
19 14 5 33.2 _bin/cxx-opt+bumproot/osh mut
21 12 9 33.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 12 27.0 osh-native mut+alloc
31 20 11 27.3 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
34 20 14 27.4 osh-nosouffle mut+alloc
35 24 11 27.5 osh-nosouffle mut+alloc+free
25 20 5 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
47 30 17 36.3 _bin/cxx-opt+nopool/osh mut+alloc
31 28 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
103 99 4 3.5 bash -
216 159 57 56.9 bumpleak/osh mut
225 169 55 56.8 _bin/cxx-opt+bumproot/osh mut
242 183 59 58.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
259 198 61 48.8 osh-native mut+alloc
267 197 70 50.7 osh-native mut+alloc+free
225 175 50 9.2 osh-native mut+alloc+free+gc
226 179 47 9.2 osh-native mut+alloc+free+gc+exit
263 192 71 49.3 osh-nosouffle mut+alloc
270 203 67 51.2 osh-nosouffle mut+alloc+free
230 190 40 9.7 osh-nosouffle mut+alloc+free+gc
231 178 53 9.4 osh-nosouffle mut+alloc+free+gc+exit
280 198 81 65.6 _bin/cxx-opt+nopool/osh mut+alloc
276 234 42 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 4 6 4.1 dash -
16 8 8 4.7 bash -
16 4 12 3.9 zsh -
19 5 15 13.6 bumpleak/osh mut
18 8 10 12.5 _bin/cxx-opt+bumproot/osh mut
19 8 12 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 9 12 11.7 osh-native mut+alloc
21 8 13 11.7 osh-native mut+alloc+free
21 13 8 9.4 osh-native mut+alloc+free+gc
21 11 10 9.6 osh-native mut+alloc+free+gc+exit
21 14 8 12.1 osh-nosouffle mut+alloc
22 13 9 12.3 osh-nosouffle mut+alloc+free
22 10 13 10.1 osh-nosouffle mut+alloc+free+gc
23 11 12 10.1 osh-nosouffle mut+alloc+free+gc+exit
24 13 12 13.2 _bin/cxx-opt+nopool/osh mut+alloc
25 16 9 10.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc