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 34 3 9 12.0 18.1 476,744 1,282 6 406,316 5 203,158 osh-native
parse.configure-cpython 32 3 9 12.0 17.4 476,744 1,282 6 406,186 5 203,093 osh-native-souffle
parse.configure-coreutils 142 22 57 44.5 49.7 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 134 23 57 45.9 51.0 1,653,331 4,764 12 1,063,842 6 792,359 osh-native-souffle
parse.abuild 9 1 1 2.6 8.5 101,935 180 2 75,016 1 37,508 osh-native
parse.abuild 9 1 2 2.4 7.7 101,935 180 3 87,078 1 43,539 osh-native-souffle
ex.compute-fib 28 0 1 2.1 8.1 579,599 22,608 12 50,000 0 2,912 osh-native
ex.compute-fib 21 0 1 2.1 7.6 579,599 22,608 12 50,000 0 2,850 osh-native-souffle
ex.bashcomp-parse-help 182 0 3 10.3 8.8 995,281 15,258 21 50,000 0 3,894 osh-native
ex.bashcomp-parse-help 175 0 3 10.3 8.4 995,280 15,258 21 50,000 0 3,839 osh-native-souffle
ex.abuild-print-help 22 1 2 2.8 9.0 116,311 277 3 85,234 1 42,617 osh-native
ex.abuild-print-help 21 1 2 2.8 8.7 116,311 277 3 85,110 1 42,555 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 19 4 3.0 bash -
106 49 63 3.3 zsh -
16 8 8 29.7 bumpleak/osh mut
19 19 0 29.9 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.2 osh-native mut+alloc
30 19 11 25.7 osh-native mut+alloc+free
34 30 4 18.1 osh-native mut+alloc+free+gc
36 27 8 18.0 osh-native mut+alloc+free+gc+exit
43 19 23 33.5 _bin/cxx-opt+nopool/osh mut+alloc
46 38 8 22.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
26 19 7 25.0 osh-native-souffle mut+alloc
28 24 4 25.2 osh-native-souffle mut+alloc+free
32 24 8 17.4 osh-native-souffle mut+alloc+free+gc
33 20 12 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
21 18 4 1.4 dash -
77 77 0 3.1 bash -
377 205 193 3.4 zsh -
49 36 12 84.6 bumpleak/osh mut
59 51 8 84.7 _bin/cxx-opt+bumproot/osh mut
73 68 4 86.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
95 55 40 73.4 osh-native mut+alloc
105 80 24 75.2 osh-native mut+alloc+free
142 126 16 49.7 osh-native mut+alloc+free+gc
147 119 28 50.3 osh-native mut+alloc+free+gc+exit
137 93 44 99.5 _bin/cxx-opt+nopool/osh mut+alloc
200 168 32 67.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
88 60 28 73.1 osh-native-souffle mut+alloc
95 59 36 75.0 osh-native-souffle mut+alloc+free
134 110 24 51.0 osh-native-souffle mut+alloc+free+gc
140 116 24 51.6 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 3.0 bash -
8 8 0 3.3 zsh -
6 6 0 10.4 bumpleak/osh mut
7 0 7 11.5 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
8 4 4 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 4 7 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
7 7 0 9.6 osh-native-souffle mut+alloc
8 8 0 9.6 osh-native-souffle mut+alloc+free
9 9 0 7.7 osh-native-souffle mut+alloc+free+gc
9 9 0 8.0 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 2.8 bash -
24 20 4 3.3 zsh -
18 14 5 31.6 bumpleak/osh mut
26 21 4 32.8 _bin/cxx-opt+bumproot/osh mut
28 28 0 31.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.3 osh-native mut+alloc
37 28 8 26.6 osh-native mut+alloc+free
28 23 4 8.1 osh-native mut+alloc+free+gc
27 27 0 8.0 osh-native mut+alloc+free+gc+exit
54 45 8 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
29 25 4 25.8 osh-native-souffle mut+alloc
31 26 4 26.2 osh-native-souffle mut+alloc+free
21 21 0 7.6 osh-native-souffle mut+alloc+free+gc
22 15 7 7.7 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 -
167 106 61 54.8 bumpleak/osh mut
182 109 73 55.4 _bin/cxx-opt+bumproot/osh mut
196 100 96 56.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 147 64 47.3 osh-native mut+alloc
218 127 91 49.1 osh-native mut+alloc+free
182 133 49 8.8 osh-native mut+alloc+free+gc
181 146 35 8.9 osh-native mut+alloc+free+gc+exit
230 155 75 63.8 _bin/cxx-opt+nopool/osh mut+alloc
208 148 60 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
204 128 76 46.9 osh-native-souffle mut+alloc
209 110 98 48.6 osh-native-souffle mut+alloc+free
175 123 52 8.4 osh-native-souffle mut+alloc+free+gc
172 116 56 8.1 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 5 6 3.5 dash -
19 18 2 4.3 bash -
19 10 10 3.5 zsh -
20 13 7 12.7 bumpleak/osh mut
19 13 6 13.6 _bin/cxx-opt+bumproot/osh mut
29 17 13 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 6 11.1 osh-native mut+alloc
22 17 5 11.1 osh-native mut+alloc+free
22 17 5 9.0 osh-native mut+alloc+free+gc
22 17 6 9.0 osh-native mut+alloc+free+gc+exit
24 15 10 12.7 _bin/cxx-opt+nopool/osh mut+alloc
24 17 8 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 14 6 10.6 osh-native-souffle mut+alloc
21 13 9 10.7 osh-native-souffle mut+alloc+free
21 15 6 8.7 osh-native-souffle mut+alloc+free+gc
21 19 2 8.7 osh-native-souffle mut+alloc+free+gc+exit