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 37 4 11 12.0 18.0 476,744 1,282 6 406,316 5 203,158 osh-native
parse.configure-cpython 33 4 10 12.0 17.6 476,744 1,282 6 406,186 5 203,093 osh-native-souffle
parse.configure-coreutils 155 24 69 44.5 49.8 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 141 24 64 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 2 2.1 8.0 579,599 22,608 12 50,000 0 2,912 osh-native
ex.compute-fib 22 0 2 2.1 7.3 579,599 22,608 12 50,000 0 2,850 osh-native-souffle
ex.bashcomp-parse-help 182 0 4 10.3 8.7 995,281 15,258 21 50,000 0 3,894 osh-native
ex.bashcomp-parse-help 175 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 9.2 116,311 277 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 -
25 20 4 3.1 bash -
105 56 56 3.4 zsh -
16 12 4 28.8 bumpleak/osh mut
19 11 8 29.7 _bin/cxx-opt+bumproot/osh mut
22 22 0 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 13 17 25.2 osh-native mut+alloc
32 24 8 25.7 osh-native mut+alloc+free
37 25 12 18.0 osh-native mut+alloc+free+gc
36 28 8 18.0 osh-native mut+alloc+free+gc+exit
44 24 20 32.9 _bin/cxx-opt+nopool/osh mut+alloc
51 46 4 22.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 15 11 24.9 osh-native-souffle mut+alloc
28 12 16 25.3 osh-native-souffle mut+alloc+free
33 25 8 17.6 osh-native-souffle mut+alloc+free+gc
34 26 7 17.8 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 1.6 dash -
77 77 0 3.3 bash -
378 213 184 3.5 zsh -
48 36 12 84.4 bumpleak/osh mut
61 52 8 86.1 _bin/cxx-opt+bumproot/osh mut
70 53 16 84.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 77 20 73.4 osh-native mut+alloc
106 89 16 75.2 osh-native mut+alloc+free
155 131 24 49.8 osh-native mut+alloc+free+gc
154 146 8 50.6 osh-native mut+alloc+free+gc+exit
140 80 60 98.8 _bin/cxx-opt+nopool/osh mut+alloc
225 176 48 66.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
87 67 20 73.0 osh-native-souffle mut+alloc
96 68 28 74.8 osh-native-souffle mut+alloc+free
141 113 28 51.0 osh-native-souffle mut+alloc+free+gc
147 119 28 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 3 3 2.8 bash -
8 4 4 3.4 zsh -
6 6 0 10.4 bumpleak/osh mut
7 7 0 11.0 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 8 0 10.1 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 5 5 8.4 osh-native mut+alloc+free+gc
9 9 0 8.3 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 0 8 9.7 osh-native-souffle mut+alloc
8 8 0 9.7 osh-native-souffle mut+alloc+free
9 6 3 8.0 osh-native-souffle mut+alloc+free+gc
10 6 3 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 -
29 28 0 2.8 bash -
24 12 12 3.3 zsh -
19 15 4 31.4 bumpleak/osh mut
26 22 4 33.0 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
35 24 12 26.3 osh-native mut+alloc
37 33 4 26.5 osh-native mut+alloc+free
28 27 0 8.0 osh-native mut+alloc+free+gc
28 23 4 8.0 osh-native mut+alloc+free+gc+exit
54 41 12 36.1 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 26 4 25.8 osh-native-souffle mut+alloc
31 23 8 26.2 osh-native-souffle mut+alloc+free
22 22 0 7.3 osh-native-souffle mut+alloc+free+gc
22 18 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 65 8 3.0 bash -
169 97 72 55.6 bumpleak/osh mut
182 129 52 55.3 _bin/cxx-opt+bumproot/osh mut
196 116 80 55.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 155 56 47.3 osh-native mut+alloc
217 141 76 49.0 osh-native mut+alloc+free
182 117 64 8.7 osh-native mut+alloc+free+gc
182 95 87 8.8 osh-native mut+alloc+free+gc+exit
233 165 68 64.5 _bin/cxx-opt+nopool/osh mut+alloc
210 165 44 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
203 131 71 46.9 osh-native-souffle mut+alloc
211 141 69 48.5 osh-native-souffle mut+alloc+free
175 123 52 8.3 osh-native-souffle mut+alloc+free+gc
175 130 45 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 6 4 3.5 dash -
20 16 4 4.3 bash -
18 12 7 3.5 zsh -
20 15 5 12.8 bumpleak/osh mut
21 12 9 13.3 _bin/cxx-opt+bumproot/osh mut
21 10 11 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 14 8 10.9 osh-native mut+alloc
22 11 12 11.3 osh-native mut+alloc+free
22 16 7 9.2 osh-native mut+alloc+free+gc
23 11 13 9.2 osh-native mut+alloc+free+gc+exit
25 21 4 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 18 3 10.6 osh-native-souffle mut+alloc
21 15 6 10.9 osh-native-souffle mut+alloc+free
21 20 1 8.7 osh-native-souffle mut+alloc+free+gc
22 14 8 8.7 osh-native-souffle mut+alloc+free+gc+exit