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 17.6 476,744 1,282 6 406,186 5 203,093 osh-native-souffle
parse.configure-coreutils 143 22 59 44.5 49.8 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 137 25 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 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 183 0 3 10.3 8.7 995,281 15,258 21 50,000 0 3,894 osh-native
ex.bashcomp-parse-help 177 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 8.7 116,311 277 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 3 3 1.6 dash -
23 19 4 3.0 bash -
106 65 46 3.4 zsh -
17 17 0 28.4 bumpleak/osh mut
20 20 0 30.2 _bin/cxx-opt+bumproot/osh mut
23 23 0 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.2 osh-native mut+alloc
31 22 9 25.7 osh-native mut+alloc+free
35 27 8 18.0 osh-native mut+alloc+free+gc
35 23 12 18.0 osh-native mut+alloc+free+gc+exit
43 31 12 32.9 _bin/cxx-opt+nopool/osh mut+alloc
50 45 4 22.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
26 26 0 24.6 osh-native-souffle mut+alloc
29 8 21 25.3 osh-native-souffle mut+alloc+free
33 32 0 17.6 osh-native-souffle mut+alloc+free+gc
33 18 14 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 22 0 1.6 dash -
77 77 0 3.3 bash -
376 241 156 3.5 zsh -
49 40 8 84.4 bumpleak/osh mut
60 48 12 84.3 _bin/cxx-opt+bumproot/osh mut
70 53 16 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 62 35 73.7 osh-native mut+alloc
103 79 24 75.4 osh-native mut+alloc+free
143 127 16 49.8 osh-native mut+alloc+free+gc
151 130 20 50.2 osh-native mut+alloc+free+gc+exit
139 107 32 99.0 _bin/cxx-opt+nopool/osh mut+alloc
206 150 55 66.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
87 54 33 73.1 osh-native-souffle mut+alloc
94 62 31 75.1 osh-native-souffle mut+alloc+free
137 129 8 51.0 osh-native-souffle mut+alloc+free+gc
143 115 28 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 1.3 dash -
6 6 0 2.9 bash -
8 4 4 3.3 zsh -
6 6 0 11.3 bumpleak/osh mut
7 0 7 11.2 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 10.0 osh-native mut+alloc
8 0 8 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 11 0 11.5 _bin/cxx-opt+nopool/osh mut+alloc
11 8 4 9.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 8 0 9.7 osh-native-souffle mut+alloc
8 8 0 9.8 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 1.4 dash -
28 28 0 2.9 bash -
24 23 0 3.3 zsh -
18 18 0 31.0 bumpleak/osh mut
26 21 4 32.3 _bin/cxx-opt+bumproot/osh mut
27 23 4 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 36 0 26.2 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 27 0 8.1 osh-native mut+alloc+free+gc+exit
54 34 19 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 25 11 9.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 19 11 26.0 osh-native-souffle mut+alloc
31 31 0 26.2 osh-native-souffle mut+alloc+free
22 17 4 7.6 osh-native-souffle mut+alloc+free+gc
22 21 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
73 73 0 3.3 bash -
172 136 36 54.8 bumpleak/osh mut
184 139 44 55.2 _bin/cxx-opt+bumproot/osh mut
195 119 76 56.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 127 83 47.3 osh-native mut+alloc
219 154 65 49.0 osh-native mut+alloc+free
183 119 64 8.7 osh-native mut+alloc+free+gc
182 109 73 8.9 osh-native mut+alloc+free+gc+exit
233 172 60 63.4 _bin/cxx-opt+nopool/osh mut+alloc
211 167 44 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
201 125 76 46.9 osh-native-souffle mut+alloc
214 153 60 48.6 osh-native-souffle mut+alloc+free
177 108 68 8.4 osh-native-souffle mut+alloc+free+gc
177 132 44 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 10 0 3.5 dash -
20 19 2 4.5 bash -
18 13 5 3.5 zsh -
18 16 2 11.9 bumpleak/osh mut
21 20 0 13.2 _bin/cxx-opt+bumproot/osh mut
21 12 10 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 7 11.0 osh-native mut+alloc
22 18 4 11.1 osh-native mut+alloc+free
22 21 1 9.0 osh-native mut+alloc+free+gc
23 23 0 8.9 osh-native mut+alloc+free+gc+exit
24 17 8 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 10.5 osh-native-souffle mut+alloc
21 9 13 10.5 osh-native-souffle mut+alloc+free
21 15 7 8.7 osh-native-souffle mut+alloc+free+gc
21 15 7 8.7 osh-native-souffle mut+alloc+free+gc+exit