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 38 4 10 12.0 17.8 476,636 1,282 6 408,686 5 204,343 osh-native
parse.configure-coreutils 149 24 62 46.1 51.2 1,653,224 4,764 12 1,069,052 6 798,607 osh-native
parse.abuild 9 1 1 2.6 8.4 101,827 180 2 75,028 1 37,514 osh-native
ex.compute-fib 29 0 1 3.1 7.9 584,088 31,810 12 50,000 0 2,788 osh-native
ex.bashcomp-parse-help 182 0 3 12.3 8.5 1,001,962 27,376 21 50,000 0 3,776 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,032 478 3 85,262 1 42,631 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 -
23 23 0 3.0 bash -
106 59 53 3.4 zsh -
16 8 8 28.5 bumpleak/osh mut
20 16 4 29.5 _bin/cxx-opt+bumproot/osh mut
22 19 4 30.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 23 8 25.0 osh-native mut+alloc
33 14 18 25.4 osh-native mut+alloc+free
38 29 8 17.8 osh-native mut+alloc+free+gc
38 37 0 18.0 osh-native mut+alloc+free+gc+exit
44 32 12 32.3 _bin/cxx-opt+nopool/osh mut+alloc
50 46 4 21.8 _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
21 21 0 1.4 dash -
78 74 4 3.3 bash -
381 221 183 3.5 zsh -
53 52 0 84.2 bumpleak/osh mut
62 58 4 85.0 _bin/cxx-opt+bumproot/osh mut
71 43 27 84.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
100 68 32 73.4 osh-native mut+alloc
108 80 28 75.3 osh-native mut+alloc+free
149 134 16 51.2 osh-native mut+alloc+free+gc
156 125 31 52.3 osh-native mut+alloc+free+gc+exit
140 92 48 97.6 _bin/cxx-opt+nopool/osh mut+alloc
212 180 32 72.7 _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 3.0 bash -
8 4 4 3.3 zsh -
7 3 3 11.7 bumpleak/osh mut
6 3 3 12.2 _bin/cxx-opt+bumproot/osh mut
8 0 8 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 4 4 8.4 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 12 0 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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 10 0 1.4 dash -
29 25 4 3.0 bash -
23 19 5 3.4 zsh -
20 15 4 32.8 bumpleak/osh mut
27 23 4 31.6 _bin/cxx-opt+bumproot/osh mut
30 29 0 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 22 15 26.7 osh-native mut+alloc
39 31 8 27.0 osh-native mut+alloc+free
29 21 7 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
55 31 23 36.0 _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
73 68 4 3.1 bash -
169 120 48 56.4 bumpleak/osh mut
181 129 52 58.0 _bin/cxx-opt+bumproot/osh mut
196 120 76 57.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
214 157 56 48.9 osh-native mut+alloc
222 153 68 50.7 osh-native mut+alloc+free
182 118 63 8.5 osh-native mut+alloc+free+gc
184 136 48 8.5 osh-native mut+alloc+free+gc+exit
233 161 72 65.2 _bin/cxx-opt+nopool/osh mut+alloc
208 148 60 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 5 5 3.4 dash -
20 12 8 4.5 bash -
18 6 13 3.5 zsh -
21 13 7 11.9 bumpleak/osh mut
20 12 9 11.6 _bin/cxx-opt+bumproot/osh mut
21 12 9 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 17 5 10.7 osh-native mut+alloc
23 16 8 10.9 osh-native mut+alloc+free
23 19 5 8.9 osh-native mut+alloc+free+gc
24 20 4 8.9 osh-native mut+alloc+free+gc+exit
26 19 7 12.4 _bin/cxx-opt+nopool/osh mut+alloc
26 23 4 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc