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 4 11 12.1 18.0 476,745 1,282 6 409,294 5 204,647 osh-native
parse.configure-cpython 34 4 10 12.0 17.6 476,745 1,282 6 408,794 5 204,397 osh-native-souffle
parse.configure-coreutils 181 29 95 41.1 45.9 1,653,333 4,764 12 1,591,976 7 795,988 osh-native
parse.configure-coreutils 158 27 79 44.6 49.6 1,653,332 4,764 12 1,030,678 6 769,423 osh-native-souffle
parse.abuild 10 1 1 2.6 8.5 101,936 180 2 75,266 1 37,633 osh-native
parse.abuild 8 1 1 2.6 8.3 101,936 180 2 75,136 1 37,568 osh-native-souffle
ex.compute-fib 28 0 2 2.4 8.0 584,201 22,608 12 50,000 0 2,910 osh-native
ex.compute-fib 22 0 1 2.4 7.7 584,201 22,608 12 50,000 0 2,848 osh-native-souffle
ex.bashcomp-parse-help 183 0 4 10.3 8.7 995,282 12,911 21 50,000 0 3,898 osh-native
ex.bashcomp-parse-help 176 0 4 10.3 8.3 995,281 12,911 21 50,000 0 3,838 osh-native-souffle
ex.abuild-print-help 23 1 2 2.8 8.9 116,351 270 3 85,502 1 42,751 osh-native
ex.abuild-print-help 22 1 2 2.8 8.7 116,351 270 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 1.4 dash -
23 19 4 2.9 bash -
105 68 44 3.4 zsh -
16 16 0 28.6 bumpleak/osh mut
20 20 0 28.8 _bin/cxx-opt+bumproot/osh mut
22 17 4 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.2 osh-native mut+alloc
32 20 12 25.7 osh-native mut+alloc+free
38 29 8 18.0 osh-native mut+alloc+free+gc
38 27 11 18.2 osh-native mut+alloc+free+gc+exit
43 19 23 32.4 _bin/cxx-opt+nopool/osh mut+alloc
53 41 12 22.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 19 8 24.8 osh-native-souffle mut+alloc
30 30 0 25.2 osh-native-souffle mut+alloc+free
34 25 8 17.6 osh-native-souffle mut+alloc+free+gc
35 27 8 17.7 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
21 18 4 1.6 dash -
78 78 0 3.3 bash -
378 211 189 3.5 zsh -
49 37 12 85.0 bumpleak/osh mut
61 56 4 86.2 _bin/cxx-opt+bumproot/osh mut
70 47 23 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 65 32 73.4 osh-native mut+alloc
106 93 12 75.3 osh-native mut+alloc+free
181 172 8 45.9 osh-native mut+alloc+free+gc
187 162 24 46.1 osh-native mut+alloc+free+gc+exit
139 95 44 98.5 _bin/cxx-opt+nopool/osh mut+alloc
257 221 36 61.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
90 61 29 73.2 osh-native-souffle mut+alloc
97 69 27 74.9 osh-native-souffle mut+alloc+free
158 126 31 49.6 osh-native-souffle mut+alloc+free+gc
164 147 16 50.4 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 4 4 3.3 zsh -
6 6 0 11.3 bumpleak/osh mut
7 7 0 12.7 _bin/cxx-opt+bumproot/osh mut
7 0 7 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.2 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
10 10 0 8.5 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
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 4 4 9.7 osh-native-souffle mut+alloc+free
8 8 0 8.3 osh-native-souffle mut+alloc+free+gc
9 9 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 7 3 1.4 dash -
28 25 4 2.9 bash -
24 12 12 3.3 zsh -
19 15 4 32.6 bumpleak/osh mut
26 13 13 31.3 _bin/cxx-opt+bumproot/osh mut
28 16 12 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 29 8 26.3 osh-native mut+alloc
39 16 24 26.6 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
54 35 19 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
31 19 11 26.0 osh-native-souffle mut+alloc
32 32 0 26.2 osh-native-souffle mut+alloc+free
22 18 4 7.7 osh-native-souffle mut+alloc+free+gc
23 23 0 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
75 74 0 3.1 bash -
169 106 63 54.0 bumpleak/osh mut
183 107 75 55.8 _bin/cxx-opt+bumproot/osh mut
197 136 60 56.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 139 72 47.1 osh-native mut+alloc
220 172 48 48.8 osh-native mut+alloc+free
183 130 53 8.7 osh-native mut+alloc+free+gc
182 130 51 8.8 osh-native mut+alloc+free+gc+exit
234 146 87 64.3 _bin/cxx-opt+nopool/osh mut+alloc
212 148 64 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
209 152 56 46.6 osh-native-souffle mut+alloc
215 135 80 48.3 osh-native-souffle mut+alloc+free
176 133 43 8.3 osh-native-souffle mut+alloc+free+gc
176 108 68 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 4 6 3.4 dash -
20 16 4 4.5 bash -
18 16 3 3.5 zsh -
18 15 4 11.4 bumpleak/osh mut
22 13 10 13.4 _bin/cxx-opt+bumproot/osh mut
20 15 6 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 15 7 11.1 osh-native mut+alloc
22 13 10 11.0 osh-native mut+alloc+free
23 12 12 8.9 osh-native mut+alloc+free+gc
24 16 9 9.3 osh-native mut+alloc+free+gc+exit
26 19 6 12.7 _bin/cxx-opt+nopool/osh mut+alloc
26 19 8 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 11 10 10.7 osh-native-souffle mut+alloc
22 19 3 10.6 osh-native-souffle mut+alloc+free
22 20 2 8.7 osh-native-souffle mut+alloc+free+gc
22 17 5 8.5 osh-native-souffle mut+alloc+free+gc+exit