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 18.2 476,744 1,282 6 406,316 5 203,158 osh-native
parse.configure-cpython 32 3 9 12.0 17.6 476,744 1,282 6 406,186 5 203,093 osh-native-souffle
parse.configure-coreutils 146 22 60 44.5 49.8 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 140 26 62 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 8.4 101,935 180 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 1 2.1 8.0 579,599 22,608 12 50,000 0 2,912 osh-native
ex.compute-fib 22 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 173 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 8.8 116,311 277 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 6 0 1.6 dash -
23 23 0 3.1 bash -
103 58 52 3.4 zsh -
16 12 4 28.2 bumpleak/osh mut
19 19 0 28.8 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 30 0 25.0 osh-native mut+alloc
31 27 4 25.8 osh-native mut+alloc+free
35 23 11 18.2 osh-native mut+alloc+free+gc
35 27 8 18.0 osh-native mut+alloc+free+gc+exit
43 27 15 32.0 _bin/cxx-opt+nopool/osh mut+alloc
47 38 9 22.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 18 9 24.8 osh-native-souffle mut+alloc
29 16 12 25.3 osh-native-souffle mut+alloc+free
32 32 0 17.6 osh-native-souffle mut+alloc+free+gc
33 33 0 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 -
373 191 203 3.4 zsh -
49 37 11 84.0 bumpleak/osh mut
60 48 12 85.1 _bin/cxx-opt+bumproot/osh mut
70 53 16 85.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 56 40 73.5 osh-native mut+alloc
105 89 16 75.1 osh-native mut+alloc+free
146 129 16 49.8 osh-native mut+alloc+free+gc
154 133 20 50.5 osh-native mut+alloc+free+gc+exit
138 81 57 99.5 _bin/cxx-opt+nopool/osh mut+alloc
208 171 36 66.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
89 48 40 73.2 osh-native-souffle mut+alloc
97 57 40 75.0 osh-native-souffle mut+alloc+free
140 120 20 51.0 osh-native-souffle mut+alloc+free+gc
142 101 40 51.5 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 0 6 2.9 bash -
8 4 4 3.3 zsh -
6 3 3 12.0 bumpleak/osh mut
7 3 3 11.3 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 9.8 osh-native mut+alloc
8 8 0 10.1 osh-native mut+alloc+free
9 4 4 8.4 osh-native mut+alloc+free+gc
10 6 3 8.5 osh-native mut+alloc+free+gc+exit
11 4 8 11.5 _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
9 9 0 8.0 osh-native-souffle mut+alloc+free+gc
9 9 0 7.9 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 24 4 2.8 bash -
24 20 4 3.3 zsh -
19 15 4 32.2 bumpleak/osh mut
26 17 9 33.2 _bin/cxx-opt+bumproot/osh mut
28 28 0 33.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.3 osh-native mut+alloc
37 30 7 26.7 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 23 4 8.1 osh-native mut+alloc+free+gc+exit
54 34 19 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 29 7 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 19 11 26.0 osh-native-souffle mut+alloc
32 16 16 26.1 osh-native-souffle mut+alloc+free
22 22 0 7.6 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
72 65 8 3.3 bash -
168 108 60 55.8 bumpleak/osh mut
183 142 41 54.7 _bin/cxx-opt+bumproot/osh mut
196 124 72 55.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 115 95 47.4 osh-native mut+alloc
218 130 87 49.0 osh-native mut+alloc+free
182 138 44 8.8 osh-native mut+alloc+free+gc
182 122 59 8.8 osh-native mut+alloc+free+gc+exit
231 143 87 64.3 _bin/cxx-opt+nopool/osh mut+alloc
208 160 48 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
204 124 80 47.0 osh-native-souffle mut+alloc
210 154 55 48.7 osh-native-souffle mut+alloc+free
173 126 47 8.4 osh-native-souffle mut+alloc+free+gc
175 127 48 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 6 4 3.5 dash -
20 11 9 4.5 bash -
18 13 5 3.5 zsh -
19 17 3 12.3 bumpleak/osh mut
19 12 8 12.3 _bin/cxx-opt+bumproot/osh mut
21 18 3 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 14 8 11.0 osh-native mut+alloc
22 17 5 11.3 osh-native mut+alloc+free
22 19 4 9.0 osh-native mut+alloc+free+gc
22 17 6 9.0 osh-native mut+alloc+free+gc+exit
24 18 7 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 21 5 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 16 4 10.5 osh-native-souffle mut+alloc
21 7 15 10.7 osh-native-souffle mut+alloc+free
21 10 11 8.8 osh-native-souffle mut+alloc+free+gc
21 19 2 8.5 osh-native-souffle mut+alloc+free+gc+exit