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 17.8 476,744 1,282 6 406,316 5 203,158 osh-native
parse.configure-cpython 32 3 9 12.0 17.3 476,744 1,282 6 406,186 5 203,093 osh-native-souffle
parse.configure-coreutils 144 22 58 44.5 50.0 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 136 24 59 45.9 51.0 1,653,331 4,764 12 1,063,842 6 792,359 osh-native-souffle
parse.abuild 8 1 1 2.6 8.7 101,935 180 2 75,016 1 37,508 osh-native
parse.abuild 9 1 2 2.4 7.9 101,935 180 3 87,078 1 43,539 osh-native-souffle
ex.compute-fib 28 0 1 2.1 8.1 579,599 22,608 12 50,000 0 2,912 osh-native
ex.compute-fib 22 0 1 2.1 7.3 579,599 22,608 12 50,000 0 2,850 osh-native-souffle
ex.bashcomp-parse-help 181 0 3 10.3 8.7 995,281 15,258 21 50,000 0 3,894 osh-native
ex.bashcomp-parse-help 174 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 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 -
23 23 0 3.0 bash -
104 43 67 3.4 zsh -
16 12 4 28.7 bumpleak/osh mut
20 20 0 28.5 _bin/cxx-opt+bumproot/osh mut
23 22 0 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.2 osh-native mut+alloc
31 23 8 25.7 osh-native mut+alloc+free
35 31 4 17.8 osh-native mut+alloc+free+gc
36 27 8 18.0 osh-native mut+alloc+free+gc+exit
47 42 4 32.0 _bin/cxx-opt+nopool/osh mut+alloc
47 39 8 22.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
26 17 9 24.9 osh-native-souffle mut+alloc
28 12 16 25.4 osh-native-souffle mut+alloc+free
32 28 4 17.3 osh-native-souffle mut+alloc+free+gc
33 28 4 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 21 0 1.6 dash -
79 75 4 3.3 bash -
373 212 184 3.5 zsh -
49 33 16 84.9 bumpleak/osh mut
58 50 8 85.8 _bin/cxx-opt+bumproot/osh mut
70 37 33 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 60 36 73.4 osh-native mut+alloc
105 74 31 75.5 osh-native mut+alloc+free
144 127 16 50.0 osh-native mut+alloc+free+gc
150 129 20 50.5 osh-native mut+alloc+free+gc+exit
138 81 57 99.1 _bin/cxx-opt+nopool/osh mut+alloc
200 164 36 67.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
87 51 35 73.0 osh-native-souffle mut+alloc
96 60 36 75.0 osh-native-souffle mut+alloc+free
136 104 32 51.0 osh-native-souffle mut+alloc+free+gc
141 113 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 6 0 2.9 bash -
8 8 0 3.1 zsh -
6 0 6 11.0 bumpleak/osh mut
7 0 7 11.5 _bin/cxx-opt+bumproot/osh mut
7 3 3 11.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
8 8 0 10.0 osh-native mut+alloc+free
8 8 0 8.7 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
11 0 11 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 9.4 osh-native-souffle mut+alloc
8 4 4 9.7 osh-native-souffle mut+alloc+free
9 4 4 7.9 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 24 4 3.0 bash -
23 16 8 3.3 zsh -
19 15 4 32.6 bumpleak/osh mut
26 26 0 32.6 _bin/cxx-opt+bumproot/osh mut
29 28 0 31.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.3 osh-native mut+alloc
38 30 7 26.7 osh-native mut+alloc+free
28 23 4 8.1 osh-native mut+alloc+free+gc
28 23 4 8.0 osh-native mut+alloc+free+gc+exit
53 41 12 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 36 0 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 30 0 26.1 osh-native-souffle mut+alloc
31 23 8 26.2 osh-native-souffle mut+alloc+free
22 21 0 7.3 osh-native-souffle mut+alloc+free+gc
21 17 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
72 64 8 3.0 bash -
168 100 68 55.2 bumpleak/osh mut
181 112 68 55.1 _bin/cxx-opt+bumproot/osh mut
196 136 60 55.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 154 57 47.4 osh-native mut+alloc
218 161 56 49.0 osh-native mut+alloc+free
181 153 28 8.7 osh-native mut+alloc+free+gc
182 130 51 8.8 osh-native mut+alloc+free+gc+exit
231 154 77 63.9 _bin/cxx-opt+nopool/osh mut+alloc
210 165 44 10.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
203 135 68 46.9 osh-native-souffle mut+alloc
210 157 52 48.6 osh-native-souffle mut+alloc+free
174 126 47 8.3 osh-native-souffle mut+alloc+free+gc
174 107 67 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 18 2 4.5 bash -
18 17 1 3.5 zsh -
18 5 13 11.4 bumpleak/osh mut
20 17 4 12.7 _bin/cxx-opt+bumproot/osh mut
20 18 3 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 7 15 11.1 osh-native mut+alloc
22 16 6 11.1 osh-native mut+alloc+free
22 19 3 9.2 osh-native mut+alloc+free+gc
22 16 7 9.2 osh-native mut+alloc+free+gc+exit
24 16 8 12.8 _bin/cxx-opt+nopool/osh mut+alloc
25 19 6 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 11 10 10.6 osh-native-souffle mut+alloc
20 7 14 10.7 osh-native-souffle mut+alloc+free
21 7 14 8.7 osh-native-souffle mut+alloc+free+gc
21 7 15 8.5 osh-native-souffle mut+alloc+free+gc+exit