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 12.0 18.0 476,744 1,282 6 406,316 5 203,158 osh-native
parse.configure-cpython 33 4 10 12.0 17.4 476,744 1,282 6 406,186 5 203,093 osh-native-souffle
parse.configure-coreutils 143 22 57 44.5 49.7 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 139 24 60 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 8.0 101,935 180 3 87,078 1 43,539 osh-native-souffle
ex.compute-fib 28 0 2 2.1 7.9 579,599 22,608 12 50,000 0 2,912 osh-native
ex.compute-fib 22 0 1 2.1 7.3 579,599 22,608 12 50,000 0 2,850 osh-native-souffle
ex.bashcomp-parse-help 181 0 3 10.3 8.8 995,281 15,258 21 50,000 0 3,894 osh-native
ex.bashcomp-parse-help 176 0 4 10.3 8.3 995,280 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 8.8 116,311 277 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 3 3 1.6 dash -
24 19 4 3.0 bash -
105 65 47 3.4 zsh -
17 8 8 29.4 bumpleak/osh mut
20 20 0 28.5 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 22 7 25.0 osh-native mut+alloc
31 27 4 25.7 osh-native mut+alloc+free
35 35 0 18.0 osh-native mut+alloc+free+gc
35 27 8 18.0 osh-native mut+alloc+free+gc+exit
44 24 20 32.1 _bin/cxx-opt+nopool/osh mut+alloc
48 36 12 22.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
26 11 15 24.9 osh-native-souffle mut+alloc
28 8 20 25.3 osh-native-souffle mut+alloc+free
33 24 8 17.4 osh-native-souffle mut+alloc+free+gc
34 30 4 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
22 21 0 1.6 dash -
77 77 0 3.1 bash -
380 224 177 3.4 zsh -
49 41 8 85.4 bumpleak/osh mut
60 48 12 85.4 _bin/cxx-opt+bumproot/osh mut
71 71 0 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 72 24 73.5 osh-native mut+alloc
105 81 24 75.3 osh-native mut+alloc+free
143 119 24 49.7 osh-native mut+alloc+free+gc
148 123 25 50.5 osh-native mut+alloc+free+gc+exit
139 99 40 98.3 _bin/cxx-opt+nopool/osh mut+alloc
204 180 24 68.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
88 68 20 73.2 osh-native-souffle mut+alloc
98 65 33 75.0 osh-native-souffle mut+alloc+free
139 99 40 51.0 osh-native-souffle mut+alloc+free+gc
144 112 32 51.7 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 3.1 zsh -
6 3 3 11.5 bumpleak/osh mut
7 7 0 11.9 _bin/cxx-opt+bumproot/osh mut
7 3 3 11.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.0 osh-native mut+alloc
9 0 8 10.2 osh-native mut+alloc+free
9 6 3 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.5 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 9.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
7 0 7 9.4 osh-native-souffle mut+alloc
8 4 4 9.7 osh-native-souffle mut+alloc+free
9 9 0 8.0 osh-native-souffle mut+alloc+free+gc
9 3 6 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 1.6 dash -
28 28 0 2.9 bash -
23 23 0 3.1 zsh -
18 15 4 31.4 bumpleak/osh mut
26 21 4 32.9 _bin/cxx-opt+bumproot/osh mut
30 25 4 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
35 23 12 26.0 osh-native mut+alloc
37 16 20 26.2 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
59 25 34 35.5 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 21 8 25.6 osh-native-souffle mut+alloc
30 19 11 25.7 osh-native-souffle mut+alloc+free
22 11 11 7.3 osh-native-souffle mut+alloc+free+gc
22 17 4 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
73 73 0 3.1 bash -
166 103 63 54.2 bumpleak/osh mut
182 134 49 55.4 _bin/cxx-opt+bumproot/osh mut
195 135 60 56.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 146 63 47.0 osh-native mut+alloc
215 147 68 48.7 osh-native mut+alloc+free
181 140 40 8.8 osh-native mut+alloc+free+gc
182 110 71 8.7 osh-native mut+alloc+free+gc+exit
232 164 68 63.8 _bin/cxx-opt+nopool/osh mut+alloc
211 151 60 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
203 135 68 46.5 osh-native-souffle mut+alloc
211 155 56 48.3 osh-native-souffle mut+alloc+free
176 136 40 8.3 osh-native-souffle mut+alloc+free+gc
175 123 52 8.3 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 9 2 3.5 dash -
20 16 4 4.3 bash -
17 6 12 3.5 zsh -
19 12 8 12.5 bumpleak/osh mut
21 18 3 12.9 _bin/cxx-opt+bumproot/osh mut
20 19 2 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 11 10 11.1 osh-native mut+alloc
22 7 15 11.1 osh-native mut+alloc+free
22 20 2 9.0 osh-native mut+alloc+free+gc
22 22 0 9.0 osh-native mut+alloc+free+gc+exit
25 19 6 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 18 7 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 17 3 10.6 osh-native-souffle mut+alloc
21 14 8 10.6 osh-native-souffle mut+alloc+free
21 13 8 8.8 osh-native-souffle mut+alloc+free+gc
21 15 6 8.7 osh-native-souffle mut+alloc+free+gc+exit