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 18.0 476,691 1,282 6 408,764 5 204,382 osh-native
parse.configure-coreutils 145 22 58 46.1 51.4 1,653,279 4,764 12 1,069,130 6 798,646 osh-native
parse.abuild 8 1 1 2.6 8.4 101,882 180 2 75,106 1 37,553 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,147 31,810 12 50,000 0 2,829 osh-native
ex.bashcomp-parse-help 183 0 3 10.6 8.5 995,224 27,376 21 50,000 0 3,825 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,291 478 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 1.6 dash -
23 23 0 3.1 bash -
104 58 53 3.4 zsh -
15 10 5 28.6 bumpleak/osh mut
19 16 4 28.5 _bin/cxx-opt+bumproot/osh mut
23 8 15 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.2 osh-native mut+alloc
31 16 16 25.6 osh-native mut+alloc+free
35 27 8 18.0 osh-native mut+alloc+free+gc
35 27 8 18.0 osh-native mut+alloc+free+gc+exit
43 35 8 33.2 _bin/cxx-opt+nopool/osh mut+alloc
48 28 20 22.0 _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 1.6 dash -
77 69 8 3.3 bash -
380 203 198 3.5 zsh -
48 44 4 84.1 bumpleak/osh mut
62 61 0 86.2 _bin/cxx-opt+bumproot/osh mut
72 48 24 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 77 20 73.3 osh-native mut+alloc
106 70 35 75.1 osh-native mut+alloc+free
145 113 32 51.4 osh-native mut+alloc+free+gc
146 110 35 50.6 osh-native mut+alloc+free+gc+exit
137 101 36 99.2 _bin/cxx-opt+nopool/osh mut+alloc
202 173 28 72.3 _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 1.4 dash -
6 3 3 3.0 bash -
8 4 4 3.3 zsh -
5 3 3 11.9 bumpleak/osh mut
6 0 6 12.5 _bin/cxx-opt+bumproot/osh mut
8 4 4 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.1 osh-native mut+alloc
8 8 0 10.0 osh-native mut+alloc+free
8 4 4 8.4 osh-native mut+alloc+free+gc
9 6 3 8.5 osh-native mut+alloc+free+gc+exit
11 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 11 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
11 7 4 1.3 dash -
28 28 0 3.0 bash -
24 20 4 3.1 zsh -
20 12 8 32.5 bumpleak/osh mut
25 21 4 31.8 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
35 31 4 26.3 osh-native mut+alloc
38 29 8 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
53 41 12 36.2 _bin/cxx-opt+nopool/osh mut+alloc
37 36 0 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 56 16 3.0 bash -
162 89 73 55.8 bumpleak/osh mut
179 123 56 54.6 _bin/cxx-opt+bumproot/osh mut
194 147 48 57.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
214 135 79 47.1 osh-native mut+alloc
217 142 75 48.8 osh-native mut+alloc+free
183 131 52 8.5 osh-native mut+alloc+free+gc
182 126 55 8.8 osh-native mut+alloc+free+gc+exit
227 142 85 63.5 _bin/cxx-opt+nopool/osh mut+alloc
207 127 79 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 10 0 3.4 dash -
20 14 6 4.3 bash -
18 13 5 3.4 zsh -
18 16 2 13.1 bumpleak/osh mut
21 15 6 12.9 _bin/cxx-opt+bumproot/osh mut
22 15 7 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 10 12 10.9 osh-native mut+alloc
22 18 5 11.0 osh-native mut+alloc+free
22 18 5 8.8 osh-native mut+alloc+free+gc
23 14 9 8.9 osh-native mut+alloc+free+gc+exit
25 16 9 12.7 _bin/cxx-opt+nopool/osh mut+alloc
24 10 14 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc