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 36 4 10 12.0 18.0 476,744 1,282 6 406,316 5 203,158 osh-native
parse.configure-cpython 33 4 9 12.0 17.3 476,744 1,282 6 406,186 5 203,093 osh-native-souffle
parse.configure-coreutils 155 25 69 44.5 50.0 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 147 27 68 45.9 50.9 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 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 7.5 579,599 22,608 12 50,000 0 2,850 osh-native-souffle
ex.bashcomp-parse-help 184 0 4 10.3 8.8 995,281 15,258 21 50,000 0 3,894 osh-native
ex.bashcomp-parse-help 176 0 3 10.3 8.1 995,280 15,258 21 50,000 0 3,839 osh-native-souffle
ex.abuild-print-help 23 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 8.4 116,311 277 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 3.0 bash -
104 47 64 3.3 zsh -
17 12 4 28.0 bumpleak/osh mut
21 12 8 28.8 _bin/cxx-opt+bumproot/osh mut
23 23 0 30.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.2 osh-native mut+alloc
32 16 16 25.7 osh-native mut+alloc+free
36 28 8 18.0 osh-native mut+alloc+free+gc
37 24 12 18.2 osh-native mut+alloc+free+gc+exit
44 40 4 33.1 _bin/cxx-opt+nopool/osh mut+alloc
53 45 8 22.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 19 8 25.0 osh-native-souffle mut+alloc
29 16 12 25.3 osh-native-souffle mut+alloc+free
33 33 0 17.3 osh-native-souffle mut+alloc+free+gc
34 34 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
21 18 4 1.6 dash -
77 77 0 3.3 bash -
378 205 193 3.5 zsh -
50 38 11 83.8 bumpleak/osh mut
60 55 4 86.2 _bin/cxx-opt+bumproot/osh mut
71 59 12 87.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 69 28 73.4 osh-native mut+alloc
105 76 28 75.4 osh-native mut+alloc+free
155 131 24 50.0 osh-native mut+alloc+free+gc
163 135 28 50.3 osh-native mut+alloc+free+gc+exit
139 86 53 98.6 _bin/cxx-opt+nopool/osh mut+alloc
225 192 32 68.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
88 40 48 73.1 osh-native-souffle mut+alloc
97 62 35 75.0 osh-native-souffle mut+alloc+free
147 127 20 50.9 osh-native-souffle mut+alloc+free+gc
156 144 12 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 1.4 dash -
6 3 3 2.8 bash -
8 8 0 3.1 zsh -
6 0 6 11.6 bumpleak/osh mut
7 3 3 11.7 _bin/cxx-opt+bumproot/osh mut
8 4 4 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 6 3 9.8 osh-native mut+alloc
9 4 4 10.2 osh-native mut+alloc+free
9 3 6 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 0 12 11.5 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 8 0 9.6 osh-native-souffle mut+alloc
8 4 4 9.8 osh-native-souffle mut+alloc+free
9 4 4 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
11 10 0 1.3 dash -
29 29 0 3.0 bash -
24 20 4 3.3 zsh -
18 18 0 32.8 bumpleak/osh mut
27 19 7 32.9 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 25 11 26.3 osh-native mut+alloc
38 27 11 26.6 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
54 42 12 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 9.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
31 11 19 26.0 osh-native-souffle mut+alloc
32 20 12 26.0 osh-native-souffle mut+alloc+free
22 18 4 7.5 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 3.1 bash -
170 122 47 55.6 bumpleak/osh mut
185 126 59 56.2 _bin/cxx-opt+bumproot/osh mut
195 99 95 55.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 120 92 47.4 osh-native mut+alloc
220 156 64 49.0 osh-native mut+alloc+free
184 140 44 8.8 osh-native mut+alloc+free+gc
190 135 55 8.8 osh-native mut+alloc+free+gc+exit
234 165 68 64.4 _bin/cxx-opt+nopool/osh mut+alloc
211 151 60 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
206 142 63 47.0 osh-native-souffle mut+alloc
212 148 64 48.6 osh-native-souffle mut+alloc+free
176 104 72 8.1 osh-native-souffle mut+alloc+free+gc
177 112 64 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 3.4 dash -
20 15 5 4.5 bash -
18 6 12 3.4 zsh -
19 14 5 13.3 bumpleak/osh mut
19 11 8 12.2 _bin/cxx-opt+bumproot/osh mut
22 14 9 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 18 4 11.0 osh-native mut+alloc
23 13 10 11.0 osh-native mut+alloc+free
23 18 5 9.0 osh-native mut+alloc+free+gc
23 18 6 9.2 osh-native mut+alloc+free+gc+exit
25 17 9 12.8 _bin/cxx-opt+nopool/osh mut+alloc
25 21 5 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 14 7 10.5 osh-native-souffle mut+alloc
22 16 6 10.6 osh-native-souffle mut+alloc+free
21 20 2 8.4 osh-native-souffle mut+alloc+free+gc
22 20 2 8.7 osh-native-souffle mut+alloc+free+gc+exit