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 145 22 57 46.1 51.5 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 8.0 584,088 31,810 12 50,000 0 2,788 osh-native
ex.bashcomp-parse-help 183 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 8.8 116,032 478 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 1.4 dash -
23 23 0 3.1 bash -
103 55 55 3.4 zsh -
16 12 4 28.6 bumpleak/osh mut
21 18 4 28.2 _bin/cxx-opt+bumproot/osh mut
23 23 0 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 22 7 25.0 osh-native mut+alloc
31 20 12 25.6 osh-native mut+alloc+free
35 31 4 17.6 osh-native mut+alloc+free+gc
37 29 7 18.0 osh-native mut+alloc+free+gc+exit
43 31 12 31.9 _bin/cxx-opt+nopool/osh mut+alloc
48 43 4 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
21 18 4 1.6 dash -
79 74 4 3.1 bash -
378 205 196 3.5 zsh -
50 42 8 84.2 bumpleak/osh mut
60 56 4 84.3 _bin/cxx-opt+bumproot/osh mut
70 41 29 84.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 71 27 73.4 osh-native mut+alloc
106 74 31 75.3 osh-native mut+alloc+free
145 132 12 51.5 osh-native mut+alloc+free+gc
150 122 28 52.3 osh-native mut+alloc+free+gc+exit
137 97 40 97.9 _bin/cxx-opt+nopool/osh mut+alloc
206 177 28 72.1 _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 3 3 2.9 bash -
8 4 4 3.4 zsh -
6 0 6 10.4 bumpleak/osh mut
6 3 3 12.3 _bin/cxx-opt+bumproot/osh mut
7 3 3 11.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.7 osh-native mut+alloc
8 4 4 9.8 osh-native mut+alloc+free
9 4 4 8.4 osh-native mut+alloc+free+gc
9 4 4 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 11.1 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 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
11 7 4 1.4 dash -
28 24 4 2.9 bash -
23 12 12 3.3 zsh -
19 11 8 32.7 bumpleak/osh mut
26 26 0 31.7 _bin/cxx-opt+bumproot/osh mut
29 24 4 31.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 26 11 26.6 osh-native mut+alloc
39 23 15 27.0 osh-native mut+alloc+free
29 28 0 8.0 osh-native mut+alloc+free+gc
28 16 12 7.9 osh-native mut+alloc+free+gc+exit
54 38 15 36.1 _bin/cxx-opt+nopool/osh mut+alloc
38 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 65 8 3.0 bash -
171 103 68 57.5 bumpleak/osh mut
179 111 68 56.5 _bin/cxx-opt+bumproot/osh mut
196 128 68 57.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 127 84 48.7 osh-native mut+alloc
218 129 89 50.7 osh-native mut+alloc+free
183 127 56 8.7 osh-native mut+alloc+free+gc
181 121 60 8.7 osh-native mut+alloc+free+gc+exit
231 132 100 65.8 _bin/cxx-opt+nopool/osh mut+alloc
210 145 65 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 9 2 3.3 dash -
20 11 9 4.5 bash -
17 9 9 3.4 zsh -
19 8 11 11.8 bumpleak/osh mut
20 12 7 13.6 _bin/cxx-opt+bumproot/osh mut
20 10 10 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 17 5 10.6 osh-native mut+alloc
22 12 10 10.9 osh-native mut+alloc+free
22 21 1 8.8 osh-native mut+alloc+free+gc
23 15 9 8.9 osh-native mut+alloc+free+gc+exit
25 18 8 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc