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 18.1 476,744 1,282 6 406,316 5 203,158 osh-native
parse.configure-cpython 32 3 9 12.0 17.4 476,744 1,282 6 406,186 5 203,093 osh-native-souffle
parse.configure-coreutils 154 25 68 44.5 49.8 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 146 27 68 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 7.9 101,935 180 3 87,078 1 43,539 osh-native-souffle
ex.compute-fib 28 0 1 2.1 7.9 579,599 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 8.8 995,281 15,258 21 50,000 0 3,894 osh-native
ex.bashcomp-parse-help 173 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 9.0 116,311 277 3 85,234 1 42,617 osh-native
ex.abuild-print-help 21 1 2 2.8 8.5 116,311 277 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 3.1 bash -
105 50 61 3.4 zsh -
17 12 4 28.0 bumpleak/osh mut
20 16 4 28.9 _bin/cxx-opt+bumproot/osh mut
23 19 4 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 13 25.0 osh-native mut+alloc
32 24 8 25.6 osh-native mut+alloc+free
35 30 4 18.1 osh-native mut+alloc+free+gc
35 35 0 18.1 osh-native mut+alloc+free+gc+exit
43 31 12 32.5 _bin/cxx-opt+nopool/osh mut+alloc
46 38 8 22.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
26 22 4 24.8 osh-native-souffle mut+alloc
29 20 8 25.3 osh-native-souffle mut+alloc+free
32 24 8 17.4 osh-native-souffle mut+alloc+free+gc
33 24 8 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 21 0 1.4 dash -
77 77 0 3.3 bash -
373 214 182 3.5 zsh -
50 46 4 85.1 bumpleak/osh mut
60 48 12 84.6 _bin/cxx-opt+bumproot/osh mut
71 58 12 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 52 44 73.4 osh-native mut+alloc
104 64 40 75.4 osh-native mut+alloc+free
154 134 20 49.8 osh-native mut+alloc+free+gc
164 132 32 50.5 osh-native mut+alloc+free+gc+exit
137 86 51 97.7 _bin/cxx-opt+nopool/osh mut+alloc
214 194 20 67.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
90 58 31 73.1 osh-native-souffle mut+alloc
96 64 32 75.1 osh-native-souffle mut+alloc+free
146 118 28 51.0 osh-native-souffle mut+alloc+free+gc
139 115 24 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 1.3 dash -
6 6 0 2.9 bash -
8 8 0 3.3 zsh -
6 3 3 11.3 bumpleak/osh mut
7 3 3 11.9 _bin/cxx-opt+bumproot/osh mut
6 6 0 10.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
8 8 0 10.2 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 4 4 8.8 osh-native mut+alloc+free+gc+exit
11 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 8 4 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
7 0 7 9.6 osh-native-souffle mut+alloc
8 8 0 9.8 osh-native-souffle mut+alloc+free
9 4 4 7.9 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 11 0 1.6 dash -
28 28 0 2.9 bash -
24 12 12 3.3 zsh -
19 15 4 32.8 bumpleak/osh mut
25 25 0 31.4 _bin/cxx-opt+bumproot/osh mut
27 0 27 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 32 4 26.3 osh-native mut+alloc
36 25 11 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 28 0 8.1 osh-native mut+alloc+free+gc+exit
53 37 16 35.9 _bin/cxx-opt+nopool/osh mut+alloc
41 36 4 9.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 15 15 26.0 osh-native-souffle mut+alloc
31 19 11 26.1 osh-native-souffle mut+alloc+free
22 22 0 7.6 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
73 69 4 3.1 bash -
168 108 60 55.5 bumpleak/osh mut
183 123 59 55.8 _bin/cxx-opt+bumproot/osh mut
194 145 48 55.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 115 95 47.4 osh-native mut+alloc
217 150 67 49.1 osh-native mut+alloc+free
183 119 63 8.8 osh-native mut+alloc+free+gc
182 110 71 8.9 osh-native mut+alloc+free+gc+exit
234 157 76 64.5 _bin/cxx-opt+nopool/osh mut+alloc
209 164 44 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
204 128 76 46.9 osh-native-souffle mut+alloc
211 150 61 48.6 osh-native-souffle mut+alloc+free
173 122 51 8.3 osh-native-souffle mut+alloc+free+gc
175 97 77 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 5 6 3.4 dash -
20 12 8 4.3 bash -
17 6 12 3.4 zsh -
20 11 9 12.8 bumpleak/osh mut
19 11 8 13.5 _bin/cxx-opt+bumproot/osh mut
20 11 10 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 6 11.1 osh-native mut+alloc
22 13 10 11.1 osh-native mut+alloc+free
22 15 7 9.0 osh-native mut+alloc+free+gc
22 14 9 9.2 osh-native mut+alloc+free+gc+exit
25 15 10 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 18 8 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 6 14 10.6 osh-native-souffle mut+alloc
21 8 13 10.7 osh-native-souffle mut+alloc+free
21 16 5 8.5 osh-native-souffle mut+alloc+free+gc
21 13 8 8.8 osh-native-souffle mut+alloc+free+gc+exit