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 36 4 10 12.1 17.8 476,742 1,282 6 409,294 5 204,647 osh-native
parse.configure-cpython 35 5 11 12.0 17.6 476,742 1,282 6 408,794 5 204,397 osh-native-souffle
parse.configure-coreutils 152 20 68 41.1 45.9 1,653,330 4,764 12 1,591,976 7 795,988 osh-native
parse.configure-coreutils 136 22 59 44.6 49.4 1,653,329 4,764 12 1,030,678 6 769,423 osh-native-souffle
parse.abuild 9 1 1 2.6 8.5 101,933 180 2 75,266 1 37,633 osh-native
parse.abuild 8 1 1 2.6 8.1 101,933 180 2 75,136 1 37,568 osh-native-souffle
ex.compute-fib 28 0 1 2.4 8.0 584,198 22,608 12 50,000 0 2,910 osh-native
ex.compute-fib 22 0 1 2.4 7.5 584,198 22,608 12 50,000 0 2,848 osh-native-souffle
ex.bashcomp-parse-help 184 0 3 10.3 8.8 995,279 12,911 21 50,000 0 3,898 osh-native
ex.bashcomp-parse-help 174 0 3 10.3 8.4 995,278 12,911 21 50,000 0 3,838 osh-native-souffle
ex.abuild-print-help 22 1 2 2.8 9.0 116,348 270 3 85,502 1 42,751 osh-native
ex.abuild-print-help 21 1 2 2.8 8.7 116,348 270 3 85,378 1 42,689 osh-native-souffle

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 3.0 bash -
106 52 59 3.4 zsh -
16 12 4 29.6 bumpleak/osh mut
20 16 4 28.6 _bin/cxx-opt+bumproot/osh mut
23 18 4 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.0 osh-native mut+alloc
31 12 19 25.7 osh-native mut+alloc+free
36 27 8 17.8 osh-native mut+alloc+free+gc
36 28 8 18.1 osh-native mut+alloc+free+gc+exit
43 27 16 33.1 _bin/cxx-opt+nopool/osh mut+alloc
48 35 13 22.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 15 11 24.9 osh-native-souffle mut+alloc
28 20 8 25.3 osh-native-souffle mut+alloc+free
35 30 4 17.6 osh-native-souffle mut+alloc+free+gc
33 28 4 17.8 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 21 0 1.6 dash -
77 77 0 3.3 bash -
379 198 202 3.4 zsh -
50 46 4 84.3 bumpleak/osh mut
76 52 24 85.5 _bin/cxx-opt+bumproot/osh mut
71 47 24 85.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 74 25 73.4 osh-native mut+alloc
104 68 36 75.3 osh-native mut+alloc+free
152 132 20 45.9 osh-native mut+alloc+free+gc
158 139 20 46.0 osh-native mut+alloc+free+gc+exit
137 105 32 97.5 _bin/cxx-opt+nopool/osh mut+alloc
217 196 20 61.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
87 54 33 73.2 osh-native-souffle mut+alloc
95 71 24 75.0 osh-native-souffle mut+alloc+free
136 103 32 49.4 osh-native-souffle mut+alloc+free+gc
140 120 20 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 6 0 3.0 bash -
8 4 4 3.3 zsh -
6 6 0 10.8 bumpleak/osh mut
6 6 0 11.0 _bin/cxx-opt+bumproot/osh mut
7 0 7 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
8 8 0 10.0 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 4 4 8.8 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 6 6 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 0 8 9.8 osh-native-souffle mut+alloc
8 8 0 9.6 osh-native-souffle mut+alloc+free
8 8 0 8.1 osh-native-souffle mut+alloc+free+gc
8 8 0 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 10 0 1.4 dash -
28 28 0 2.9 bash -
24 20 4 3.3 zsh -
19 19 0 32.7 bumpleak/osh mut
25 25 0 33.2 _bin/cxx-opt+bumproot/osh mut
28 24 4 33.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 8 28 26.2 osh-native mut+alloc
37 20 16 26.7 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
55 31 23 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 29 7 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
31 26 4 25.8 osh-native-souffle mut+alloc
31 27 4 26.3 osh-native-souffle mut+alloc+free
22 21 0 7.5 osh-native-souffle mut+alloc+free+gc
22 22 0 7.5 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
72 68 4 3.1 bash -
167 119 48 54.1 bumpleak/osh mut
182 141 40 55.5 _bin/cxx-opt+bumproot/osh mut
194 139 56 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 141 68 47.1 osh-native mut+alloc
219 131 87 48.7 osh-native mut+alloc+free
184 128 56 8.8 osh-native mut+alloc+free+gc
182 115 67 8.7 osh-native mut+alloc+free+gc+exit
233 138 95 63.7 _bin/cxx-opt+nopool/osh mut+alloc
209 157 51 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
204 136 68 46.7 osh-native-souffle mut+alloc
210 135 75 48.3 osh-native-souffle mut+alloc+free
174 115 59 8.4 osh-native-souffle mut+alloc+free+gc
176 131 44 8.5 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 4 6 3.4 dash -
20 12 8 4.3 bash -
18 11 8 3.4 zsh -
19 18 1 11.9 bumpleak/osh mut
21 19 3 12.6 _bin/cxx-opt+bumproot/osh mut
20 16 4 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 7 11.0 osh-native mut+alloc
24 11 13 11.3 osh-native mut+alloc+free
22 10 12 9.0 osh-native mut+alloc+free+gc
23 13 10 9.0 osh-native mut+alloc+free+gc+exit
25 11 14 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 19 6 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 12 8 10.6 osh-native-souffle mut+alloc
21 10 11 10.7 osh-native-souffle mut+alloc+free
21 16 5 8.7 osh-native-souffle mut+alloc+free+gc
21 20 2 8.7 osh-native-souffle mut+alloc+free+gc+exit