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 17.8 476,679 1,282 6 408,748 5 204,374 osh-native
parse.configure-coreutils 156 26 69 46.1 51.6 1,653,267 4,764 12 1,069,114 6 798,638 osh-native
parse.abuild 9 1 2 2.6 8.5 101,870 180 2 75,090 1 37,545 osh-native
ex.compute-fib 28 0 2 2.6 7.6 584,135 31,810 12 50,000 0 2,822 osh-native
ex.bashcomp-parse-help 182 0 4 10.6 8.8 995,212 27,376 21 50,000 0 3,817 osh-native
ex.abuild-print-help 22 1 2 2.8 8.7 116,279 478 3 85,326 1 42,663 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 3.1 bash -
105 59 53 3.4 zsh -
17 17 0 29.6 bumpleak/osh mut
19 15 4 28.9 _bin/cxx-opt+bumproot/osh mut
23 22 0 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.2 osh-native mut+alloc
31 27 4 25.6 osh-native mut+alloc+free
37 24 12 17.8 osh-native mut+alloc+free+gc
37 33 4 18.0 osh-native mut+alloc+free+gc+exit
43 30 13 33.1 _bin/cxx-opt+nopool/osh mut+alloc
48 40 8 22.4 _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 22 0 1.4 dash -
78 70 8 3.3 bash -
374 222 173 3.5 zsh -
50 50 0 84.5 bumpleak/osh mut
61 61 0 85.9 _bin/cxx-opt+bumproot/osh mut
71 55 16 85.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 73 24 73.2 osh-native mut+alloc
105 89 16 75.3 osh-native mut+alloc+free
156 136 20 51.6 osh-native mut+alloc+free+gc
160 136 24 52.1 osh-native mut+alloc+free+gc+exit
139 87 52 97.8 _bin/cxx-opt+nopool/osh mut+alloc
209 181 28 71.4 _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 1.3 dash -
6 6 0 2.9 bash -
7 0 7 3.3 zsh -
6 3 3 12.0 bumpleak/osh mut
7 7 0 11.1 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 9.8 osh-native mut+alloc
9 0 8 10.0 osh-native mut+alloc+free
9 9 0 8.5 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 12 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 10 0 1.6 dash -
29 28 0 2.9 bash -
24 14 10 3.4 zsh -
19 18 0 31.3 bumpleak/osh mut
25 21 4 31.6 _bin/cxx-opt+bumproot/osh mut
28 20 8 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.3 osh-native mut+alloc
38 29 8 26.6 osh-native mut+alloc+free
28 24 4 7.6 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
53 41 12 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 29 7 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 3.3 bash -
166 107 59 54.2 bumpleak/osh mut
177 128 48 54.7 _bin/cxx-opt+bumproot/osh mut
194 138 55 56.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 140 72 47.1 osh-native mut+alloc
217 149 68 48.9 osh-native mut+alloc+free
182 134 47 8.8 osh-native mut+alloc+free+gc
181 114 67 8.7 osh-native mut+alloc+free+gc+exit
229 130 99 62.9 _bin/cxx-opt+nopool/osh mut+alloc
207 155 52 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 5 5 3.5 dash -
19 12 8 4.5 bash -
18 6 12 3.5 zsh -
19 11 8 13.2 bumpleak/osh mut
21 18 3 12.4 _bin/cxx-opt+bumproot/osh mut
21 6 16 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 19 3 10.9 osh-native mut+alloc
23 20 3 11.1 osh-native mut+alloc+free
22 10 13 8.7 osh-native mut+alloc+free+gc
23 17 7 8.8 osh-native mut+alloc+free+gc+exit
24 19 6 12.4 _bin/cxx-opt+nopool/osh mut+alloc
26 15 11 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc