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 18.0 476,742 1,282 6 409,294 5 204,647 osh-native
parse.configure-cpython 34 4 10 12.0 17.7 476,742 1,282 6 408,794 5 204,397 osh-native-souffle
parse.configure-coreutils 178 25 92 41.1 45.9 1,653,330 4,764 12 1,591,976 7 795,988 osh-native
parse.configure-coreutils 163 29 81 44.6 49.6 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 29 0 2 2.4 8.0 584,198 22,608 12 50,000 0 2,910 osh-native
ex.compute-fib 23 0 2 2.4 7.6 584,198 22,608 12 50,000 0 2,848 osh-native-souffle
ex.bashcomp-parse-help 182 0 4 10.3 8.9 995,279 12,911 21 50,000 0 3,898 osh-native
ex.bashcomp-parse-help 177 0 4 10.3 8.4 995,278 12,911 21 50,000 0 3,838 osh-native-souffle
ex.abuild-print-help 23 1 2 2.8 9.0 116,348 270 3 85,502 1 42,751 osh-native
ex.abuild-print-help 22 1 2 2.8 8.3 116,348 270 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
7 6 0 1.6 dash -
23 23 0 3.0 bash -
105 54 57 3.4 zsh -
16 12 4 29.7 bumpleak/osh mut
20 8 12 28.8 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.0 osh-native mut+alloc
31 18 13 25.6 osh-native mut+alloc+free
36 32 4 18.0 osh-native mut+alloc+free+gc
37 29 7 18.1 osh-native mut+alloc+free+gc+exit
43 30 13 32.4 _bin/cxx-opt+nopool/osh mut+alloc
47 43 4 22.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 19 8 24.9 osh-native-souffle mut+alloc
28 28 0 25.2 osh-native-souffle mut+alloc+free
34 18 15 17.7 osh-native-souffle mut+alloc+free+gc
37 33 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 22 0 1.6 dash -
78 70 8 3.1 bash -
381 192 209 3.5 zsh -
49 34 15 85.7 bumpleak/osh mut
61 49 12 84.9 _bin/cxx-opt+bumproot/osh mut
71 33 37 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 64 32 73.4 osh-native mut+alloc
104 72 32 75.3 osh-native mut+alloc+free
178 166 12 45.9 osh-native mut+alloc+free+gc
178 150 28 46.1 osh-native mut+alloc+free+gc+exit
139 79 59 99.5 _bin/cxx-opt+nopool/osh mut+alloc
238 209 28 62.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
87 51 35 73.0 osh-native-souffle mut+alloc
96 76 20 75.1 osh-native-souffle mut+alloc+free
163 136 24 49.6 osh-native-souffle mut+alloc+free+gc
150 134 16 50.3 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 1.4 dash -
6 6 0 2.9 bash -
8 4 4 3.3 zsh -
6 3 3 12.3 bumpleak/osh mut
7 3 3 11.2 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.1 osh-native mut+alloc
10 10 0 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 5 5 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 7 4 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 4 4 9.7 osh-native-souffle mut+alloc
8 8 0 9.7 osh-native-souffle mut+alloc+free
8 8 0 8.1 osh-native-souffle mut+alloc+free+gc
9 3 6 8.3 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 -
29 29 0 3.0 bash -
24 20 4 3.1 zsh -
19 19 0 31.7 bumpleak/osh mut
26 17 9 32.9 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 18 18 26.3 osh-native mut+alloc
39 31 8 26.7 osh-native mut+alloc+free
29 29 0 8.0 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
55 39 16 36.0 _bin/cxx-opt+nopool/osh mut+alloc
39 39 0 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
31 19 12 25.8 osh-native-souffle mut+alloc
32 24 8 26.3 osh-native-souffle mut+alloc+free
23 15 8 7.6 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
74 74 0 3.1 bash -
167 131 36 55.3 bumpleak/osh mut
180 120 60 55.1 _bin/cxx-opt+bumproot/osh mut
194 133 60 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 113 97 47.1 osh-native mut+alloc
218 141 76 48.7 osh-native mut+alloc+free
182 123 59 8.9 osh-native mut+alloc+free+gc
182 117 65 8.8 osh-native mut+alloc+free+gc+exit
244 152 92 63.2 _bin/cxx-opt+nopool/osh mut+alloc
209 149 60 10.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
205 132 72 46.6 osh-native-souffle mut+alloc
209 142 67 48.4 osh-native-souffle mut+alloc+free
177 104 72 8.4 osh-native-souffle mut+alloc+free+gc
175 131 44 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 8 2 3.4 dash -
19 17 3 4.3 bash -
18 10 8 3.5 zsh -
20 9 12 12.9 bumpleak/osh mut
19 17 3 12.2 _bin/cxx-opt+bumproot/osh mut
23 16 7 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 17 5 11.0 osh-native mut+alloc
22 16 6 11.1 osh-native mut+alloc+free
23 16 7 9.0 osh-native mut+alloc+free+gc
23 16 8 9.0 osh-native mut+alloc+free+gc+exit
25 23 2 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 19 6 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 16 4 10.5 osh-native-souffle mut+alloc
22 14 9 10.6 osh-native-souffle mut+alloc+free
22 20 3 8.3 osh-native-souffle mut+alloc+free+gc
22 15 7 8.7 osh-native-souffle mut+alloc+free+gc+exit