Memory Management Overhead

Source code: oil/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 41 6 13 12.0 18.0 476,691 1,282 6 408,764 5 204,382 osh-native
parse.configure-coreutils 189 30 94 46.1 51.6 1,653,279 4,764 12 1,069,130 6 798,646 osh-native
parse.abuild 10 1 2 2.6 8.4 101,882 180 2 75,106 1 37,553 osh-native
ex.compute-fib 29 0 2 2.6 7.9 584,147 31,810 12 50,000 0 2,829 osh-native
ex.bashcomp-parse-help 188 1 5 10.6 8.7 995,224 27,376 21 50,000 0 3,825 osh-native
ex.abuild-print-help 24 1 2 2.8 9.0 116,291 478 3 85,342 1 42,671 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.6 dash -
24 23 0 3.0 bash -
107 47 68 3.4 zsh -
17 17 0 28.8 bumpleak/osh mut
24 16 8 28.6 _bin/cxx-opt+bumproot/osh mut
23 23 0 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 11 19 25.2 osh-native mut+alloc
33 29 4 25.6 osh-native mut+alloc+free
41 26 15 18.0 osh-native mut+alloc+free+gc
43 39 4 18.1 osh-native mut+alloc+free+gc+exit
45 28 16 32.1 _bin/cxx-opt+nopool/osh mut+alloc
60 44 16 22.0 _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
22 21 0 1.6 dash -
78 74 4 3.1 bash -
382 229 174 3.7 zsh -
49 36 12 85.6 bumpleak/osh mut
60 56 4 84.5 _bin/cxx-opt+bumproot/osh mut
72 68 4 86.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
107 78 29 73.6 osh-native mut+alloc
109 78 31 75.4 osh-native mut+alloc+free
189 173 16 51.6 osh-native mut+alloc+free+gc
189 168 20 50.7 osh-native mut+alloc+free+gc+exit
142 99 43 99.3 _bin/cxx-opt+nopool/osh mut+alloc
276 228 48 73.3 _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 1.4 dash -
6 6 0 2.9 bash -
8 4 4 3.3 zsh -
6 6 0 12.0 bumpleak/osh mut
7 3 3 12.4 _bin/cxx-opt+bumproot/osh mut
8 8 0 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.0 osh-native mut+alloc
9 5 5 10.1 osh-native mut+alloc+free
10 7 3 8.4 osh-native mut+alloc+free+gc
10 7 3 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 6 6 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 10 0 1.4 dash -
30 29 0 3.0 bash -
24 20 4 3.3 zsh -
20 12 8 31.6 bumpleak/osh mut
27 23 4 32.9 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 22 15 26.5 osh-native mut+alloc
39 31 8 26.7 osh-native mut+alloc+free
29 25 4 7.9 osh-native mut+alloc+free+gc
30 26 4 7.7 osh-native mut+alloc+free+gc+exit
55 43 12 36.0 _bin/cxx-opt+nopool/osh mut+alloc
38 38 0 9.4 _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
73 65 8 3.3 bash -
170 115 55 55.6 bumpleak/osh mut
182 130 53 56.2 _bin/cxx-opt+bumproot/osh mut
196 136 60 56.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
218 103 115 47.1 osh-native mut+alloc
227 155 72 48.8 osh-native mut+alloc+free
188 156 32 8.7 osh-native mut+alloc+free+gc
186 143 44 8.7 osh-native mut+alloc+free+gc+exit
236 160 76 62.7 _bin/cxx-opt+nopool/osh mut+alloc
234 181 52 10.0 _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
10 10 0 3.4 dash -
20 12 9 4.5 bash -
19 9 10 3.5 zsh -
21 12 9 12.4 bumpleak/osh mut
22 14 6 12.9 _bin/cxx-opt+bumproot/osh mut
21 13 9 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
23 9 15 11.0 osh-native mut+alloc
24 16 9 11.1 osh-native mut+alloc+free
24 12 13 9.0 osh-native mut+alloc+free+gc
26 18 8 8.7 osh-native mut+alloc+free+gc+exit
26 12 15 12.6 _bin/cxx-opt+nopool/osh mut+alloc
27 22 5 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc