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 18.0 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 172 26 82 44.6 50.0 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 29 0 2 2.4 8.0 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 185 0 4 10.3 8.7 995,244 12,911 21 50,000 0 3,834 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,311 270 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
6 6 0 1.4 dash -
24 23 0 3.1 bash -
106 48 65 3.4 zsh -
17 17 0 28.3 bumpleak/osh mut
21 20 0 29.9 _bin/cxx-opt+bumproot/osh mut
23 23 0 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 30 0 25.0 osh-native mut+alloc
33 24 8 25.6 osh-native mut+alloc+free
37 29 8 18.0 osh-native mut+alloc+free+gc
39 35 4 17.8 osh-native mut+alloc+free+gc+exit
44 28 16 32.5 _bin/cxx-opt+nopool/osh mut+alloc
55 27 27 22.3 _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 -
382 190 217 3.5 zsh -
48 48 0 84.3 bumpleak/osh mut
61 52 8 85.4 _bin/cxx-opt+bumproot/osh mut
71 67 4 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 63 36 73.5 osh-native mut+alloc
107 71 36 75.3 osh-native mut+alloc+free
172 164 8 50.0 osh-native mut+alloc+free+gc
178 162 16 50.4 osh-native mut+alloc+free+gc+exit
143 91 52 99.0 _bin/cxx-opt+nopool/osh mut+alloc
244 204 40 66.8 _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 1.3 dash -
6 6 0 2.9 bash -
8 8 0 3.3 zsh -
6 3 3 10.6 bumpleak/osh mut
7 3 3 10.8 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.1 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 5 5 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 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
11 10 0 1.4 dash -
28 28 0 3.0 bash -
25 16 8 3.4 zsh -
19 15 4 32.6 bumpleak/osh mut
27 19 8 32.8 _bin/cxx-opt+bumproot/osh mut
29 21 7 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 29 7 26.2 osh-native mut+alloc
39 39 0 26.5 osh-native mut+alloc+free
29 29 0 8.0 osh-native mut+alloc+free+gc
29 25 4 8.0 osh-native mut+alloc+free+gc+exit
55 46 8 35.9 _bin/cxx-opt+nopool/osh mut+alloc
38 34 4 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
76 76 0 3.1 bash -
169 96 72 55.4 bumpleak/osh mut
179 107 72 56.1 _bin/cxx-opt+bumproot/osh mut
195 135 60 56.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 108 104 46.9 osh-native mut+alloc
222 158 63 48.6 osh-native mut+alloc+free
185 145 39 8.7 osh-native mut+alloc+free+gc
182 125 57 8.8 osh-native mut+alloc+free+gc+exit
234 163 71 63.7 _bin/cxx-opt+nopool/osh mut+alloc
218 166 53 10.2 _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 7 3 3.5 dash -
21 15 6 4.5 bash -
18 12 7 3.5 zsh -
21 12 8 13.0 bumpleak/osh mut
20 13 7 12.2 _bin/cxx-opt+bumproot/osh mut
21 12 10 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 20 2 11.0 osh-native mut+alloc
23 10 14 11.1 osh-native mut+alloc+free
23 11 12 8.9 osh-native mut+alloc+free+gc
23 10 13 8.9 osh-native mut+alloc+free+gc+exit
25 17 8 12.7 _bin/cxx-opt+nopool/osh mut+alloc
26 23 3 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc