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 12.1 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 171 25 81 41.1 45.8 1,653,330 4,764 12 1,591,976 7 795,988 osh-native
parse.configure-coreutils 136 24 60 44.6 49.7 1,653,329 4,764 12 1,030,678 6 769,423 osh-native-souffle
parse.abuild 9 1 1 2.6 8.4 101,933 180 2 75,266 1 37,633 osh-native
parse.abuild 8 1 1 2.6 8.0 101,933 180 2 75,136 1 37,568 osh-native-souffle
ex.compute-fib 28 0 1 2.1 8.0 579,597 22,608 12 50,000 0 2,910 osh-native
ex.compute-fib 22 0 2 2.1 7.6 579,597 22,608 12 50,000 0 2,848 osh-native-souffle
ex.bashcomp-parse-help 182 0 3 10.3 8.8 995,279 15,258 21 50,000 0 3,893 osh-native
ex.bashcomp-parse-help 174 0 3 10.3 8.4 995,278 15,258 21 50,000 0 3,838 osh-native-souffle
ex.abuild-print-help 22 1 2 2.8 9.2 116,309 277 3 85,502 1 42,751 osh-native
ex.abuild-print-help 21 1 2 2.8 8.5 116,309 277 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 2.9 bash -
104 51 60 3.4 zsh -
16 12 4 29.3 bumpleak/osh mut
19 19 0 29.8 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 13 17 25.2 osh-native mut+alloc
31 19 12 25.6 osh-native mut+alloc+free
35 23 12 18.0 osh-native mut+alloc+free+gc
36 32 4 18.1 osh-native mut+alloc+free+gc+exit
43 31 12 33.1 _bin/cxx-opt+nopool/osh mut+alloc
48 40 8 22.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 26 0 24.8 osh-native-souffle mut+alloc
29 16 12 25.3 osh-native-souffle mut+alloc+free
34 17 17 17.7 osh-native-souffle mut+alloc+free+gc
35 35 0 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 18 4 1.4 dash -
78 74 4 3.1 bash -
375 235 162 3.5 zsh -
49 45 4 84.3 bumpleak/osh mut
59 50 8 84.5 _bin/cxx-opt+bumproot/osh mut
70 57 12 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 55 43 73.6 osh-native mut+alloc
104 64 40 75.4 osh-native mut+alloc+free
171 158 12 45.8 osh-native mut+alloc+free+gc
160 140 20 46.0 osh-native mut+alloc+free+gc+exit
137 85 52 99.2 _bin/cxx-opt+nopool/osh mut+alloc
226 198 28 61.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
88 58 29 73.0 osh-native-souffle mut+alloc
97 60 36 74.9 osh-native-souffle mut+alloc+free
136 116 20 49.7 osh-native-souffle mut+alloc+free+gc
141 121 20 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 3 3 2.9 bash -
8 7 0 3.1 zsh -
5 0 5 11.8 bumpleak/osh mut
6 0 6 11.2 _bin/cxx-opt+bumproot/osh mut
7 7 0 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 3 6 8.4 osh-native mut+alloc+free+gc+exit
11 6 6 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 4 4 9.8 osh-native-souffle mut+alloc
8 8 0 9.8 osh-native-souffle mut+alloc+free
8 8 0 8.0 osh-native-souffle mut+alloc+free+gc
8 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 -
28 24 4 2.9 bash -
24 14 9 3.3 zsh -
18 18 0 30.8 bumpleak/osh mut
25 21 4 31.9 _bin/cxx-opt+bumproot/osh mut
28 20 8 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 32 4 25.8 osh-native mut+alloc
37 33 4 26.2 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 24 4 7.7 osh-native mut+alloc+free+gc+exit
53 38 15 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 28 8 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 19 11 25.4 osh-native-souffle mut+alloc
31 22 9 26.0 osh-native-souffle mut+alloc+free
22 17 4 7.6 osh-native-souffle mut+alloc+free+gc
21 17 4 7.6 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 69 4 3.0 bash -
168 100 68 55.6 bumpleak/osh mut
181 113 68 55.6 _bin/cxx-opt+bumproot/osh mut
194 145 48 55.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 137 73 47.0 osh-native mut+alloc
217 137 80 48.7 osh-native mut+alloc+free
182 121 60 8.8 osh-native mut+alloc+free+gc
184 151 32 8.8 osh-native mut+alloc+free+gc+exit
234 149 85 64.3 _bin/cxx-opt+nopool/osh mut+alloc
212 156 56 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
205 154 51 46.6 osh-native-souffle mut+alloc
210 127 83 48.3 osh-native-souffle mut+alloc+free
174 106 67 8.4 osh-native-souffle mut+alloc+free+gc
175 103 71 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 10 0 3.4 dash -
20 12 8 4.5 bash -
18 13 5 3.4 zsh -
18 6 13 11.8 bumpleak/osh mut
20 16 5 12.7 _bin/cxx-opt+bumproot/osh mut
20 11 10 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 16 6 11.0 osh-native mut+alloc
22 10 13 11.3 osh-native mut+alloc+free
22 16 6 9.2 osh-native mut+alloc+free+gc
23 16 7 9.2 osh-native mut+alloc+free+gc+exit
25 15 10 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 12 14 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
21 15 6 10.5 osh-native-souffle mut+alloc
21 14 8 10.9 osh-native-souffle mut+alloc+free
21 15 6 8.5 osh-native-souffle mut+alloc+free+gc
22 15 8 8.7 osh-native-souffle mut+alloc+free+gc+exit