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 17.8 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 160 26 72 44.6 50.0 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 9 1 1 2.6 8.4 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 29 0 2 2.4 7.9 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 181 0 4 10.3 8.4 995,244 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 24 1 2 2.8 9.0 116,311 478 3 85,370 1 42,685 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 19 4 3.0 bash -
105 66 46 3.4 zsh -
20 12 8 27.9 bumpleak/osh mut
20 20 0 28.8 _bin/cxx-opt+bumproot/osh mut
23 19 4 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 30 0 25.2 osh-native mut+alloc
33 24 8 25.4 osh-native mut+alloc+free
37 37 0 17.8 osh-native mut+alloc+free+gc
37 20 16 18.0 osh-native mut+alloc+free+gc+exit
43 23 20 32.1 _bin/cxx-opt+nopool/osh mut+alloc
49 29 20 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
22 21 0 1.6 dash -
78 74 4 3.1 bash -
378 190 210 3.7 zsh -
50 46 4 85.1 bumpleak/osh mut
60 52 8 84.9 _bin/cxx-opt+bumproot/osh mut
70 51 19 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 51 47 73.5 osh-native mut+alloc
108 58 50 75.4 osh-native mut+alloc+free
160 143 16 50.0 osh-native mut+alloc+free+gc
171 151 20 50.6 osh-native mut+alloc+free+gc+exit
139 98 41 97.8 _bin/cxx-opt+nopool/osh mut+alloc
225 172 52 67.4 _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 0 2 1.4 dash -
6 6 0 2.9 bash -
8 8 0 3.3 zsh -
6 6 0 11.2 bumpleak/osh mut
7 7 0 11.7 _bin/cxx-opt+bumproot/osh mut
7 7 0 10.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.1 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 8 4 9.6 _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 2.8 bash -
24 16 8 3.3 zsh -
19 19 0 30.8 bumpleak/osh mut
25 25 0 31.1 _bin/cxx-opt+bumproot/osh mut
28 24 4 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 29 8 26.2 osh-native mut+alloc
39 35 4 26.6 osh-native mut+alloc+free
29 22 7 7.9 osh-native mut+alloc+free+gc
30 22 7 7.9 osh-native mut+alloc+free+gc+exit
55 39 16 35.8 _bin/cxx-opt+nopool/osh mut+alloc
38 38 0 9.5 _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 -
168 116 52 53.8 bumpleak/osh mut
181 96 84 54.2 _bin/cxx-opt+bumproot/osh mut
194 113 81 56.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 116 96 46.9 osh-native mut+alloc
217 158 59 48.7 osh-native mut+alloc+free
181 124 56 8.4 osh-native mut+alloc+free+gc
182 129 53 8.7 osh-native mut+alloc+free+gc+exit
231 139 92 63.2 _bin/cxx-opt+nopool/osh mut+alloc
209 157 52 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
11 5 6 3.4 dash -
20 11 10 4.5 bash -
18 5 13 3.4 zsh -
19 15 4 13.1 bumpleak/osh mut
20 17 3 13.4 _bin/cxx-opt+bumproot/osh mut
21 14 7 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 14 8 11.0 osh-native mut+alloc
23 14 10 11.0 osh-native mut+alloc+free
24 20 4 9.0 osh-native mut+alloc+free+gc
24 16 8 9.0 osh-native mut+alloc+free+gc+exit
25 10 15 12.6 _bin/cxx-opt+nopool/osh mut+alloc
26 15 12 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc