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 37 4 10 12.0 17.7 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 163 25 75 44.6 49.9 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 9 1 1 2.6 8.5 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 1 2.4 7.7 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 182 0 3 10.3 8.8 995,244 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 22 1 2 2.8 8.7 116,311 478 3 85,370 1 42,685 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 7 0 1.6 dash -
24 23 0 3.0 bash -
107 55 59 3.4 zsh -
17 17 0 28.1 bumpleak/osh mut
20 16 4 28.8 _bin/cxx-opt+bumproot/osh mut
23 19 4 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.2 osh-native mut+alloc
33 25 8 25.6 osh-native mut+alloc+free
37 33 4 17.7 osh-native mut+alloc+free+gc
37 29 8 18.0 osh-native mut+alloc+free+gc+exit
44 35 9 32.8 _bin/cxx-opt+nopool/osh mut+alloc
51 35 15 22.1 _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 78 0 3.3 bash -
378 226 173 3.7 zsh -
48 32 16 86.0 bumpleak/osh mut
61 60 0 84.9 _bin/cxx-opt+bumproot/osh mut
71 47 23 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 65 33 73.3 osh-native mut+alloc
106 82 23 75.3 osh-native mut+alloc+free
163 135 28 49.9 osh-native mut+alloc+free+gc
173 153 20 50.4 osh-native mut+alloc+free+gc+exit
141 96 44 98.2 _bin/cxx-opt+nopool/osh mut+alloc
237 206 32 68.6 _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 3 3 2.9 bash -
8 8 0 3.3 zsh -
6 0 6 11.1 bumpleak/osh mut
7 4 4 12.1 _bin/cxx-opt+bumproot/osh mut
7 4 4 10.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.1 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 12 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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 -
29 29 0 3.0 bash -
24 24 0 3.4 zsh -
19 15 4 31.1 bumpleak/osh mut
25 25 0 31.5 _bin/cxx-opt+bumproot/osh mut
28 20 8 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 21 16 26.2 osh-native mut+alloc
38 34 4 26.6 osh-native mut+alloc+free
28 28 0 7.7 osh-native mut+alloc+free+gc
29 28 0 7.9 osh-native mut+alloc+free+gc+exit
55 31 23 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.5 _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 69 4 3.0 bash -
172 108 64 55.5 bumpleak/osh mut
185 144 40 54.5 _bin/cxx-opt+bumproot/osh mut
193 136 56 54.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 139 71 47.0 osh-native mut+alloc
215 155 60 48.6 osh-native mut+alloc+free
182 126 57 8.8 osh-native mut+alloc+free+gc
183 135 48 8.7 osh-native mut+alloc+free+gc+exit
234 147 87 62.6 _bin/cxx-opt+nopool/osh mut+alloc
212 168 44 10.1 _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 9 1 3.4 dash -
20 12 8 4.3 bash -
18 7 12 3.5 zsh -
18 17 1 11.5 bumpleak/osh mut
21 8 14 12.7 _bin/cxx-opt+bumproot/osh mut
21 15 6 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 19 3 10.7 osh-native mut+alloc
23 20 3 11.0 osh-native mut+alloc+free
22 22 1 8.7 osh-native mut+alloc+free+gc
23 13 10 9.0 osh-native mut+alloc+free+gc+exit
25 6 19 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc