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 35 3 9 12.0 17.6 476,636 1,282 6 408,686 5 204,343 osh-native
parse.configure-coreutils 147 24 59 46.1 51.3 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 7.7 584,088 31,810 12 50,000 0 2,788 osh-native
ex.bashcomp-parse-help 182 0 3 12.3 8.7 1,001,962 27,376 21 50,000 0 3,776 osh-native
ex.abuild-print-help 22 1 2 2.8 8.7 116,032 478 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
7 6 0 1.6 dash -
23 23 0 3.0 bash -
105 79 33 3.4 zsh -
16 12 4 29.2 bumpleak/osh mut
20 19 0 30.0 _bin/cxx-opt+bumproot/osh mut
22 22 0 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 22 9 25.0 osh-native mut+alloc
32 24 8 25.6 osh-native mut+alloc+free
35 31 4 17.6 osh-native mut+alloc+free+gc
36 32 4 18.0 osh-native mut+alloc+free+gc+exit
43 39 4 32.6 _bin/cxx-opt+nopool/osh mut+alloc
47 47 0 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 18 4 1.6 dash -
77 77 0 3.1 bash -
376 209 188 3.4 zsh -
51 39 12 84.4 bumpleak/osh mut
61 52 8 84.5 _bin/cxx-opt+bumproot/osh mut
69 61 8 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 64 36 73.4 osh-native mut+alloc
107 59 47 75.3 osh-native mut+alloc+free
147 116 32 51.3 osh-native mut+alloc+free+gc
153 128 24 52.3 osh-native mut+alloc+free+gc+exit
138 102 35 98.4 _bin/cxx-opt+nopool/osh mut+alloc
203 187 16 74.4 _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 3.0 bash -
8 4 4 3.4 zsh -
6 6 0 11.6 bumpleak/osh mut
6 6 0 12.2 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 9.8 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 4 4 8.5 osh-native mut+alloc+free+gc+exit
11 6 6 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 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 28 0 2.9 bash -
23 23 0 3.3 zsh -
19 15 4 32.5 bumpleak/osh mut
27 22 4 32.2 _bin/cxx-opt+bumproot/osh mut
29 29 0 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.6 osh-native mut+alloc
39 34 4 27.0 osh-native mut+alloc+free
29 28 0 7.7 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
55 35 19 36.1 _bin/cxx-opt+nopool/osh mut+alloc
37 33 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 73 0 3.1 bash -
169 93 76 56.6 bumpleak/osh mut
183 135 48 58.1 _bin/cxx-opt+bumproot/osh mut
198 127 71 57.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 152 60 48.9 osh-native mut+alloc
218 125 93 50.6 osh-native mut+alloc+free
182 137 44 8.7 osh-native mut+alloc+free+gc
182 133 48 8.7 osh-native mut+alloc+free+gc+exit
233 156 76 64.7 _bin/cxx-opt+nopool/osh mut+alloc
210 133 77 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 7 3 3.4 dash -
20 18 3 4.5 bash -
18 12 7 3.5 zsh -
19 18 1 11.3 bumpleak/osh mut
20 11 9 12.6 _bin/cxx-opt+bumproot/osh mut
20 8 13 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 16 5 11.0 osh-native mut+alloc
22 16 6 11.0 osh-native mut+alloc+free
22 14 8 8.7 osh-native mut+alloc+free+gc
24 17 8 8.8 osh-native mut+alloc+free+gc+exit
25 16 9 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 16 10 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc