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 41 6 14 12.0 18.0 476,691 1,282 6 408,764 5 204,382 osh-native
parse.configure-coreutils 165 25 77 46.1 51.5 1,653,279 4,764 12 1,069,130 6 798,646 osh-native
parse.abuild 9 1 1 2.6 8.4 101,882 180 2 75,106 1 37,553 osh-native
ex.compute-fib 28 0 2 2.6 7.9 584,147 31,810 12 50,000 0 2,829 osh-native
ex.bashcomp-parse-help 183 0 4 10.6 8.8 995,224 27,376 21 50,000 0 3,825 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,291 478 3 85,342 1 42,671 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 20 4 3.0 bash -
105 60 51 3.4 zsh -
16 8 8 27.9 bumpleak/osh mut
19 14 5 29.6 _bin/cxx-opt+bumproot/osh mut
23 15 8 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 13 17 25.2 osh-native mut+alloc
32 14 18 25.7 osh-native mut+alloc+free
41 40 0 18.0 osh-native mut+alloc+free+gc
37 28 8 18.0 osh-native mut+alloc+free+gc+exit
43 19 23 32.5 _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
21 21 0 1.6 dash -
77 73 4 3.1 bash -
378 188 211 3.5 zsh -
48 36 12 84.2 bumpleak/osh mut
61 52 8 85.2 _bin/cxx-opt+bumproot/osh mut
70 23 47 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 66 31 73.4 osh-native mut+alloc
107 79 28 75.3 osh-native mut+alloc+free
165 145 20 51.5 osh-native mut+alloc+free+gc
165 133 32 50.6 osh-native mut+alloc+free+gc+exit
140 96 44 97.5 _bin/cxx-opt+nopool/osh mut+alloc
234 194 40 71.3 _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 0 2 1.4 dash -
6 6 0 2.9 bash -
8 8 0 3.3 zsh -
7 0 7 11.6 bumpleak/osh mut
7 7 0 11.3 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 8 0 10.0 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 3 6 8.7 osh-native mut+alloc+free+gc+exit
11 11 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.5 _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 1.3 dash -
29 24 4 3.0 bash -
24 20 4 3.1 zsh -
19 16 4 32.7 bumpleak/osh mut
25 22 4 32.5 _bin/cxx-opt+bumproot/osh mut
28 28 0 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.2 osh-native mut+alloc
38 34 4 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
53 30 23 35.7 _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
74 74 0 3.1 bash -
167 91 76 54.1 bumpleak/osh mut
181 137 44 55.3 _bin/cxx-opt+bumproot/osh mut
194 119 75 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
214 141 72 47.2 osh-native mut+alloc
221 136 84 48.8 osh-native mut+alloc+free
183 139 44 8.8 osh-native mut+alloc+free+gc
184 131 52 8.8 osh-native mut+alloc+free+gc+exit
232 168 64 63.6 _bin/cxx-opt+nopool/osh mut+alloc
209 140 68 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 3.4 dash -
19 16 4 4.5 bash -
18 11 8 3.5 zsh -
18 12 6 11.5 bumpleak/osh mut
21 19 2 13.1 _bin/cxx-opt+bumproot/osh mut
20 11 10 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 11 11 10.9 osh-native mut+alloc
22 14 9 11.0 osh-native mut+alloc+free
22 21 1 8.9 osh-native mut+alloc+free+gc
24 19 6 8.9 osh-native mut+alloc+free+gc+exit
25 16 9 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 15 10 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc