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 4 10 12.0 18.0 476,744 1,282 6 406,316 5 203,158 osh-native
parse.configure-cpython 33 4 10 12.0 17.4 476,744 1,282 6 406,186 5 203,093 osh-native-souffle
parse.configure-coreutils 147 22 60 44.5 50.0 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 135 23 58 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 7.7 101,935 180 3 87,078 1 43,539 osh-native-souffle
ex.compute-fib 29 0 2 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 184 0 3 10.3 8.5 995,281 15,258 21 50,000 0 3,894 osh-native
ex.bashcomp-parse-help 176 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
6 6 0 1.6 dash -
23 23 0 3.0 bash -
105 64 47 3.3 zsh -
16 12 4 29.6 bumpleak/osh mut
19 19 0 29.8 _bin/cxx-opt+bumproot/osh mut
23 19 4 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 13 25.2 osh-native mut+alloc
31 22 9 25.6 osh-native mut+alloc+free
35 35 0 18.0 osh-native mut+alloc+free+gc
36 36 0 18.0 osh-native mut+alloc+free+gc+exit
43 30 13 32.9 _bin/cxx-opt+nopool/osh mut+alloc
50 42 8 22.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 18 9 24.8 osh-native-souffle mut+alloc
29 12 16 25.3 osh-native-souffle mut+alloc+free
33 33 0 17.4 osh-native-souffle mut+alloc+free+gc
34 30 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 22 0 1.6 dash -
79 75 4 3.3 bash -
375 221 175 3.5 zsh -
50 42 8 85.1 bumpleak/osh mut
60 49 11 85.4 _bin/cxx-opt+bumproot/osh mut
71 43 28 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 52 44 73.2 osh-native mut+alloc
106 65 41 75.4 osh-native mut+alloc+free
147 123 24 50.0 osh-native mut+alloc+free+gc
159 143 16 50.5 osh-native mut+alloc+free+gc+exit
138 101 36 98.1 _bin/cxx-opt+nopool/osh mut+alloc
220 183 36 66.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
87 67 20 73.1 osh-native-souffle mut+alloc
95 70 25 74.8 osh-native-souffle mut+alloc+free
135 119 16 51.0 osh-native-souffle mut+alloc+free+gc
146 122 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 6 0 12.3 bumpleak/osh mut
6 6 0 12.6 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 12 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 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 9 0 7.7 osh-native-souffle mut+alloc+free+gc
9 5 5 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
10 10 0 1.4 dash -
29 24 4 3.0 bash -
24 24 0 3.3 zsh -
18 13 4 31.0 bumpleak/osh mut
25 21 4 32.6 _bin/cxx-opt+bumproot/osh mut
28 28 0 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 16 20 26.2 osh-native mut+alloc
37 25 12 26.7 osh-native mut+alloc+free
29 24 4 8.0 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 45 8 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
31 19 11 26.0 osh-native-souffle mut+alloc
31 23 8 26.3 osh-native-souffle mut+alloc+free
22 21 0 7.6 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 -
169 112 56 55.9 bumpleak/osh mut
185 144 40 54.6 _bin/cxx-opt+bumproot/osh mut
195 139 56 55.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 147 64 47.3 osh-native mut+alloc
218 149 69 49.1 osh-native mut+alloc+free
184 140 44 8.5 osh-native mut+alloc+free+gc
181 142 39 8.7 osh-native mut+alloc+free+gc+exit
233 168 64 63.1 _bin/cxx-opt+nopool/osh mut+alloc
209 157 52 10.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
207 162 45 47.0 osh-native-souffle mut+alloc
210 137 73 48.6 osh-native-souffle mut+alloc+free
176 116 60 8.3 osh-native-souffle mut+alloc+free+gc
175 101 73 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 9 1 3.5 dash -
20 16 5 4.2 bash -
18 12 7 3.4 zsh -
18 13 5 11.3 bumpleak/osh mut
21 15 6 13.2 _bin/cxx-opt+bumproot/osh mut
20 7 13 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 19 2 10.9 osh-native mut+alloc
22 14 8 11.1 osh-native mut+alloc+free
22 14 8 8.9 osh-native mut+alloc+free+gc
23 13 10 9.0 osh-native mut+alloc+free+gc+exit
24 23 1 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 17 9 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 14 6 10.5 osh-native-souffle mut+alloc
21 10 11 10.7 osh-native-souffle mut+alloc+free
21 13 8 8.7 osh-native-souffle mut+alloc+free+gc
22 16 6 8.7 osh-native-souffle mut+alloc+free+gc+exit