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 38 5 11 12.1 18.0 476,720 1,282 6 409,234 5 204,617 osh-native
parse.configure-cpython 34 4 11 12.0 17.6 476,720 1,282 6 408,734 5 204,367 osh-native-souffle
parse.configure-coreutils 160 27 72 44.7 49.9 1,653,308 4,764 12 1,030,990 6 769,632 osh-native
parse.configure-coreutils 157 26 78 44.6 49.7 1,653,307 4,764 12 1,030,618 6 769,393 osh-native-souffle
parse.abuild 9 1 1 2.6 8.7 101,911 180 2 75,206 1 37,603 osh-native
parse.abuild 8 1 1 2.6 8.3 101,911 180 2 75,076 1 37,538 osh-native-souffle
ex.compute-fib 28 0 1 2.4 8.0 584,179 22,608 12 50,000 0 2,880 osh-native
ex.compute-fib 22 0 1 2.4 7.5 584,179 22,608 12 50,000 0 2,818 osh-native-souffle
ex.bashcomp-parse-help 182 0 3 10.3 8.7 995,257 12,911 21 50,000 0 3,868 osh-native
ex.bashcomp-parse-help 176 0 4 10.3 8.4 995,256 12,911 21 50,000 0 3,815 osh-native-souffle
ex.abuild-print-help 22 1 2 2.8 9.0 116,326 270 3 85,442 1 42,721 osh-native
ex.abuild-print-help 21 1 2 2.8 8.5 116,326 270 3 85,318 1 42,659 osh-native-souffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 3 3 1.4 dash -
24 19 4 3.1 bash -
106 56 56 3.3 zsh -
17 12 4 28.2 bumpleak/osh mut
19 15 4 29.4 _bin/cxx-opt+bumproot/osh mut
22 15 7 30.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 9 25.2 osh-native mut+alloc
33 20 12 25.6 osh-native mut+alloc+free
38 38 0 18.0 osh-native mut+alloc+free+gc
40 24 16 18.2 osh-native mut+alloc+free+gc+exit
42 34 8 32.0 _bin/cxx-opt+nopool/osh mut+alloc
49 38 11 22.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 15 12 24.6 osh-native-souffle mut+alloc
30 15 15 25.3 osh-native-souffle mut+alloc+free
34 27 8 17.6 osh-native-souffle mut+alloc+free+gc
35 30 4 17.6 osh-native-souffle mut+alloc+free+gc+exit

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 78 0 3.1 bash -
377 236 164 3.7 zsh -
49 37 12 85.0 bumpleak/osh mut
61 48 12 85.7 _bin/cxx-opt+bumproot/osh mut
72 60 12 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 49 49 73.4 osh-native mut+alloc
107 75 32 75.4 osh-native mut+alloc+free
160 136 24 49.9 osh-native mut+alloc+free+gc
166 142 24 50.5 osh-native mut+alloc+free+gc+exit
136 88 48 99.7 _bin/cxx-opt+nopool/osh mut+alloc
227 191 36 66.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
88 52 36 73.3 osh-native-souffle mut+alloc
96 52 44 74.9 osh-native-souffle mut+alloc+free
157 137 20 49.7 osh-native-souffle mut+alloc+free+gc
158 146 12 50.2 osh-native-souffle mut+alloc+free+gc+exit

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 3.3 zsh -
6 0 6 11.9 bumpleak/osh mut
7 0 7 11.7 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.2 osh-native mut+alloc
9 5 5 10.1 osh-native mut+alloc+free
9 5 5 8.7 osh-native mut+alloc+free+gc
10 5 5 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 8 0 9.7 osh-native-souffle mut+alloc
8 8 0 9.8 osh-native-souffle mut+alloc+free
8 8 0 8.3 osh-native-souffle mut+alloc+free+gc
9 0 8 8.4 osh-native-souffle mut+alloc+free+gc+exit

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 7 3 1.4 dash -
29 29 0 2.8 bash -
24 12 12 3.3 zsh -
19 15 4 32.5 bumpleak/osh mut
25 25 0 31.6 _bin/cxx-opt+bumproot/osh mut
28 28 0 33.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 20 16 26.3 osh-native mut+alloc
39 30 8 26.6 osh-native mut+alloc+free
28 20 8 8.0 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
54 49 4 36.5 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 19 11 25.8 osh-native-souffle mut+alloc
32 23 9 26.3 osh-native-souffle mut+alloc+free
22 22 0 7.5 osh-native-souffle mut+alloc+free+gc
21 17 4 7.3 osh-native-souffle mut+alloc+free+gc+exit

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 3.1 bash -
170 130 39 53.9 bumpleak/osh mut
181 121 60 56.3 _bin/cxx-opt+bumproot/osh mut
193 137 56 56.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 128 84 47.0 osh-native mut+alloc
218 143 75 48.7 osh-native mut+alloc+free
182 138 43 8.7 osh-native mut+alloc+free+gc
183 134 47 8.7 osh-native mut+alloc+free+gc+exit
234 149 85 62.5 _bin/cxx-opt+nopool/osh mut+alloc
209 149 60 10.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
224 134 87 46.4 osh-native-souffle mut+alloc
213 124 88 48.3 osh-native-souffle mut+alloc+free
176 108 68 8.4 osh-native-souffle mut+alloc+free+gc
175 118 57 8.4 osh-native-souffle mut+alloc+free+gc+exit

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 1 3.5 dash -
19 14 6 4.5 bash -
18 11 7 3.5 zsh -
20 11 9 12.5 bumpleak/osh mut
22 15 7 13.3 _bin/cxx-opt+bumproot/osh mut
21 14 8 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 20 2 11.0 osh-native mut+alloc
23 7 17 11.3 osh-native mut+alloc+free
22 14 8 9.0 osh-native mut+alloc+free+gc
23 19 5 9.0 osh-native mut+alloc+free+gc+exit
25 20 6 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 19 7 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 15 6 10.5 osh-native-souffle mut+alloc
21 11 11 10.7 osh-native-souffle mut+alloc+free
21 14 7 8.5 osh-native-souffle mut+alloc+free+gc
21 16 6 8.5 osh-native-souffle mut+alloc+free+gc+exit