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 39 4 12 12.0 18.0 476,636 1,282 6 408,686 5 204,343 osh-native
parse.configure-coreutils 174 29 82 46.1 51.5 1,653,224 4,764 12 1,069,052 6 798,607 osh-native
parse.abuild 10 1 1 2.6 8.4 101,827 180 2 75,028 1 37,514 osh-native
ex.compute-fib 29 0 2 3.1 8.0 584,088 31,810 12 50,000 0 2,788 osh-native
ex.bashcomp-parse-help 184 0 4 12.3 8.7 1,001,962 27,376 21 50,000 0 3,776 osh-native
ex.abuild-print-help 23 1 2 2.8 9.0 116,032 478 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 -
24 23 0 3.0 bash -
106 71 41 3.3 zsh -
17 10 7 28.2 bumpleak/osh mut
20 20 0 29.1 _bin/cxx-opt+bumproot/osh mut
22 22 0 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 11 19 25.0 osh-native mut+alloc
33 20 12 25.6 osh-native mut+alloc+free
39 31 8 18.0 osh-native mut+alloc+free+gc
38 33 4 17.8 osh-native mut+alloc+free+gc+exit
44 31 12 32.0 _bin/cxx-opt+nopool/osh mut+alloc
57 48 8 21.9 _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 17 4 1.6 dash -
82 78 4 3.3 bash -
381 262 139 3.5 zsh -
49 34 15 84.4 bumpleak/osh mut
61 53 8 84.4 _bin/cxx-opt+bumproot/osh mut
71 67 4 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 71 28 73.4 osh-native mut+alloc
109 77 32 75.0 osh-native mut+alloc+free
174 153 20 51.5 osh-native mut+alloc+free+gc
182 158 24 52.2 osh-native mut+alloc+free+gc+exit
138 87 51 97.7 _bin/cxx-opt+nopool/osh mut+alloc
249 228 20 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 1.3 dash -
6 6 0 2.9 bash -
8 0 7 3.3 zsh -
6 3 3 10.5 bumpleak/osh mut
6 3 3 12.0 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.0 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
10 10 0 8.4 osh-native mut+alloc+free+gc
9 9 0 8.4 osh-native mut+alloc+free+gc+exit
12 4 8 11.1 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 9.3 _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 -
24 20 4 3.3 zsh -
19 0 19 32.8 bumpleak/osh mut
27 18 9 32.6 _bin/cxx-opt+bumproot/osh mut
29 24 4 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
38 30 7 26.7 osh-native mut+alloc
40 28 12 27.2 osh-native mut+alloc+free
29 29 0 8.0 osh-native mut+alloc+free+gc
29 28 0 8.0 osh-native mut+alloc+free+gc+exit
55 43 12 36.1 _bin/cxx-opt+nopool/osh mut+alloc
38 29 8 9.3 _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
74 70 4 3.1 bash -
170 125 44 56.1 bumpleak/osh mut
180 136 44 56.8 _bin/cxx-opt+bumproot/osh mut
197 137 60 58.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
216 147 68 48.7 osh-native mut+alloc
222 109 113 50.6 osh-native mut+alloc+free
184 100 84 8.7 osh-native mut+alloc+free+gc
185 133 52 8.7 osh-native mut+alloc+free+gc+exit
234 157 77 65.0 _bin/cxx-opt+nopool/osh mut+alloc
227 183 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 2 3.5 dash -
20 20 1 4.5 bash -
18 9 10 3.5 zsh -
21 18 2 12.0 bumpleak/osh mut
22 17 5 13.2 _bin/cxx-opt+bumproot/osh mut
23 15 8 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 12 11 10.9 osh-native mut+alloc
24 13 11 10.7 osh-native mut+alloc+free
23 18 5 9.0 osh-native mut+alloc+free+gc
23 11 13 8.9 osh-native mut+alloc+free+gc+exit
25 16 10 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 19 8 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc