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 3 9 12.0 17.4 476,744 1,282 6 406,186 5 203,093 osh-native-souffle
parse.configure-coreutils 150 24 65 44.5 49.7 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 143 25 65 45.9 51.1 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 23 0 1 2.1 7.6 579,599 22,608 12 50,000 0 2,850 osh-native-souffle
ex.bashcomp-parse-help 184 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 8.3 995,280 15,258 21 50,000 0 3,839 osh-native-souffle
ex.abuild-print-help 22 1 2 2.8 8.9 116,311 277 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
7 7 0 1.6 dash -
23 23 0 3.0 bash -
104 65 46 3.4 zsh -
17 8 8 28.5 bumpleak/osh mut
19 14 5 30.2 _bin/cxx-opt+bumproot/osh mut
23 23 0 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 14 14 25.3 osh-native mut+alloc
32 27 4 25.8 osh-native mut+alloc+free
35 31 4 18.0 osh-native mut+alloc+free+gc
36 28 8 18.1 osh-native mut+alloc+free+gc+exit
55 29 25 32.2 _bin/cxx-opt+nopool/osh mut+alloc
48 43 4 22.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
26 22 4 24.8 osh-native-souffle mut+alloc
28 12 16 25.3 osh-native-souffle mut+alloc+free
33 28 4 17.4 osh-native-souffle mut+alloc+free+gc
33 18 15 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
21 21 0 1.6 dash -
78 78 0 3.3 bash -
375 205 193 3.5 zsh -
49 37 12 84.0 bumpleak/osh mut
60 48 12 86.4 _bin/cxx-opt+bumproot/osh mut
70 47 23 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 68 28 73.5 osh-native mut+alloc
105 84 20 75.4 osh-native mut+alloc+free
150 122 28 49.7 osh-native mut+alloc+free+gc
155 146 8 50.4 osh-native mut+alloc+free+gc+exit
136 92 44 97.7 _bin/cxx-opt+nopool/osh mut+alloc
207 171 36 67.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
89 44 44 73.1 osh-native-souffle mut+alloc
97 72 24 75.1 osh-native-souffle mut+alloc+free
143 131 12 51.1 osh-native-souffle mut+alloc+free+gc
145 116 28 51.8 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 3.0 bash -
8 0 8 3.3 zsh -
7 0 7 10.2 bumpleak/osh mut
6 6 0 12.2 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
10 6 3 10.2 osh-native mut+alloc+free
9 6 3 8.5 osh-native mut+alloc+free+gc
9 4 4 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 8 4 9.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 8 0 9.6 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
9 4 4 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 7 3 1.4 dash -
29 28 0 2.9 bash -
24 12 12 3.1 zsh -
18 14 4 31.2 bumpleak/osh mut
26 22 4 32.2 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 32 4 26.3 osh-native mut+alloc
38 33 4 26.6 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
36 32 4 8.0 osh-native mut+alloc+free+gc+exit
54 23 31 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 17 13 26.0 osh-native-souffle mut+alloc
31 8 23 26.2 osh-native-souffle mut+alloc+free
23 15 7 7.6 osh-native-souffle mut+alloc+free+gc
22 22 0 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
72 64 8 3.0 bash -
167 111 56 54.8 bumpleak/osh mut
182 127 55 56.4 _bin/cxx-opt+bumproot/osh mut
195 139 56 55.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 144 68 47.4 osh-native mut+alloc
216 152 64 49.1 osh-native mut+alloc+free
184 152 32 8.8 osh-native mut+alloc+free+gc
182 125 57 8.8 osh-native mut+alloc+free+gc+exit
233 172 60 63.0 _bin/cxx-opt+nopool/osh mut+alloc
209 144 64 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
204 108 96 46.9 osh-native-souffle mut+alloc
211 151 60 48.6 osh-native-souffle mut+alloc+free
175 123 52 8.3 osh-native-souffle mut+alloc+free+gc
174 126 47 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 9 1 3.5 dash -
20 18 3 4.3 bash -
18 11 7 3.5 zsh -
18 18 0 11.4 bumpleak/osh mut
19 19 0 12.3 _bin/cxx-opt+bumproot/osh mut
22 13 9 13.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 10 11 11.0 osh-native mut+alloc
22 15 7 11.3 osh-native mut+alloc+free
22 20 2 8.9 osh-native mut+alloc+free+gc
22 18 5 9.0 osh-native mut+alloc+free+gc+exit
25 14 11 12.8 _bin/cxx-opt+nopool/osh mut+alloc
24 19 6 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 13 7 10.6 osh-native-souffle mut+alloc
21 13 9 10.6 osh-native-souffle mut+alloc+free
21 17 5 8.7 osh-native-souffle mut+alloc+free+gc
21 17 5 8.7 osh-native-souffle mut+alloc+free+gc+exit