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 36 3 9 12.0 18.0 476,744 1,282 6 406,316 5 203,158 osh-native
parse.configure-cpython 41 5 12 12.0 17.6 476,744 1,282 6 406,186 5 203,093 osh-native-souffle
parse.configure-coreutils 160 25 72 44.5 50.0 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 147 25 68 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 8.7 101,935 180 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 8.0 579,599 22,608 12 50,000 0 2,912 osh-native
ex.compute-fib 22 0 1 2.1 7.5 579,599 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 174 0 4 10.3 8.3 995,280 15,258 21 50,000 0 3,839 osh-native-souffle
ex.abuild-print-help 23 1 2 2.8 9.0 116,311 277 3 85,234 1 42,617 osh-native
ex.abuild-print-help 22 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 23 0 2.9 bash -
107 61 52 3.3 zsh -
16 12 4 28.4 bumpleak/osh mut
20 12 8 29.9 _bin/cxx-opt+bumproot/osh mut
23 15 8 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.3 osh-native mut+alloc
32 23 8 25.7 osh-native mut+alloc+free
36 36 0 18.0 osh-native mut+alloc+free+gc
36 28 8 18.2 osh-native mut+alloc+free+gc+exit
43 22 22 33.5 _bin/cxx-opt+nopool/osh mut+alloc
49 32 16 22.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 19 8 24.8 osh-native-souffle mut+alloc
29 16 12 25.3 osh-native-souffle mut+alloc+free
41 33 8 17.6 osh-native-souffle mut+alloc+free+gc
36 36 0 17.6 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 -
78 70 8 3.1 bash -
381 203 200 3.4 zsh -
50 38 11 85.9 bumpleak/osh mut
61 52 8 85.1 _bin/cxx-opt+bumproot/osh mut
71 62 8 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 82 16 73.4 osh-native mut+alloc
107 78 29 75.2 osh-native mut+alloc+free
160 136 24 50.0 osh-native mut+alloc+free+gc
161 116 44 50.5 osh-native mut+alloc+free+gc+exit
142 87 55 97.7 _bin/cxx-opt+nopool/osh mut+alloc
230 190 40 67.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
88 56 32 73.0 osh-native-souffle mut+alloc
97 77 20 75.0 osh-native-souffle mut+alloc+free
147 123 24 51.1 osh-native-souffle mut+alloc+free+gc
155 123 32 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 4 4 3.3 zsh -
6 6 0 10.8 bumpleak/osh mut
6 0 6 12.3 _bin/cxx-opt+bumproot/osh mut
7 0 7 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 9.8 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 9 0 8.7 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 4 4 9.7 osh-native-souffle mut+alloc
8 4 4 9.7 osh-native-souffle mut+alloc+free
9 9 0 7.9 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 1.3 dash -
29 25 4 3.0 bash -
24 16 8 3.3 zsh -
18 14 4 31.0 bumpleak/osh mut
25 25 0 31.5 _bin/cxx-opt+bumproot/osh mut
28 28 0 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.1 osh-native mut+alloc
38 25 12 26.5 osh-native mut+alloc+free
28 27 0 8.0 osh-native mut+alloc+free+gc
28 27 0 8.0 osh-native mut+alloc+free+gc+exit
54 42 12 36.1 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 26 4 25.8 osh-native-souffle mut+alloc
31 20 12 26.0 osh-native-souffle mut+alloc+free
22 22 0 7.5 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
73 65 8 3.1 bash -
168 96 72 54.2 bumpleak/osh mut
184 124 60 56.5 _bin/cxx-opt+bumproot/osh mut
197 137 60 56.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 140 72 47.3 osh-native mut+alloc
218 135 83 49.1 osh-native mut+alloc+free
183 115 67 8.8 osh-native mut+alloc+free+gc
185 136 48 8.9 osh-native mut+alloc+free+gc+exit
233 133 100 64.6 _bin/cxx-opt+nopool/osh mut+alloc
210 125 85 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
204 144 60 47.0 osh-native-souffle mut+alloc
211 119 91 48.6 osh-native-souffle mut+alloc+free
174 117 57 8.3 osh-native-souffle mut+alloc+free+gc
173 137 36 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 8 2 3.4 dash -
20 17 3 4.5 bash -
18 15 4 3.4 zsh -
18 11 7 11.4 bumpleak/osh mut
21 15 6 12.8 _bin/cxx-opt+bumproot/osh mut
21 15 6 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 14 8 11.0 osh-native mut+alloc
22 12 10 11.1 osh-native mut+alloc+free
23 16 7 9.0 osh-native mut+alloc+free+gc
23 21 2 9.2 osh-native mut+alloc+free+gc+exit
24 16 8 12.8 _bin/cxx-opt+nopool/osh mut+alloc
25 15 11 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
21 6 16 10.6 osh-native-souffle mut+alloc
21 18 4 10.7 osh-native-souffle mut+alloc+free
22 13 9 8.7 osh-native-souffle mut+alloc+free+gc
22 15 7 8.7 osh-native-souffle mut+alloc+free+gc+exit