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 4 10 12.0 18.1 476,744 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 148 24 61 44.5 49.8 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 138 24 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 7.9 101,935 180 3 87,078 1 43,539 osh-native-souffle
ex.compute-fib 27 0 1 2.1 7.7 579,599 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 8.7 995,281 15,258 21 50,000 0 3,894 osh-native
ex.bashcomp-parse-help 175 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 8.8 116,311 277 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 -
24 23 0 3.0 bash -
104 63 48 3.4 zsh -
17 12 4 29.5 bumpleak/osh mut
20 20 0 29.4 _bin/cxx-opt+bumproot/osh mut
24 24 0 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 22 7 25.2 osh-native mut+alloc
31 23 8 25.7 osh-native mut+alloc+free
36 28 8 18.1 osh-native mut+alloc+free+gc
36 28 8 18.1 osh-native mut+alloc+free+gc+exit
43 39 4 32.6 _bin/cxx-opt+nopool/osh mut+alloc
50 42 8 22.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 18 9 24.9 osh-native-souffle mut+alloc
29 12 16 25.3 osh-native-souffle mut+alloc+free
33 28 4 17.6 osh-native-souffle mut+alloc+free+gc
34 26 7 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
21 21 0 1.6 dash -
77 73 4 3.0 bash -
381 224 179 3.5 zsh -
49 41 8 85.5 bumpleak/osh mut
60 47 12 86.0 _bin/cxx-opt+bumproot/osh mut
71 59 12 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 69 27 73.5 osh-native mut+alloc
104 92 12 75.4 osh-native mut+alloc+free
148 116 32 49.8 osh-native mut+alloc+free+gc
153 137 16 50.5 osh-native mut+alloc+free+gc+exit
138 83 55 98.1 _bin/cxx-opt+nopool/osh mut+alloc
205 193 12 66.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
88 52 36 73.1 osh-native-souffle mut+alloc
96 68 28 75.0 osh-native-souffle mut+alloc+free
138 99 39 51.0 osh-native-souffle mut+alloc+free+gc
144 132 12 51.8 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 3 3 2.9 bash -
8 4 4 3.3 zsh -
7 0 6 11.4 bumpleak/osh mut
7 7 0 11.8 _bin/cxx-opt+bumproot/osh mut
7 0 7 10.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.4 osh-native mut+alloc+free+gc+exit
11 8 4 11.5 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 9.4 _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 9 0 7.9 osh-native-souffle mut+alloc+free+gc
9 4 4 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 -
24 20 4 3.4 zsh -
20 12 8 32.6 bumpleak/osh mut
25 21 4 31.8 _bin/cxx-opt+bumproot/osh mut
28 20 8 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.3 osh-native mut+alloc
37 24 12 26.6 osh-native mut+alloc+free
27 27 0 7.7 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
54 31 23 36.4 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 30 0 25.8 osh-native-souffle mut+alloc
32 16 16 26.2 osh-native-souffle mut+alloc+free
22 15 7 7.5 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 65 8 3.1 bash -
169 120 48 55.7 bumpleak/osh mut
183 139 44 55.2 _bin/cxx-opt+bumproot/osh mut
196 140 56 56.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 123 87 47.4 osh-native mut+alloc
219 123 96 49.1 osh-native mut+alloc+free
183 135 48 8.7 osh-native mut+alloc+free+gc
183 114 69 8.7 osh-native mut+alloc+free+gc+exit
234 143 91 64.4 _bin/cxx-opt+nopool/osh mut+alloc
208 172 36 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
204 136 68 46.9 osh-native-souffle mut+alloc
211 123 88 48.7 osh-native-souffle mut+alloc+free
175 127 48 8.4 osh-native-souffle mut+alloc+free+gc
175 114 61 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 3.4 dash -
20 15 5 4.5 bash -
18 10 8 3.5 zsh -
18 10 8 11.4 bumpleak/osh mut
20 17 3 12.8 _bin/cxx-opt+bumproot/osh mut
20 13 8 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 7 11.1 osh-native mut+alloc
22 17 5 11.1 osh-native mut+alloc+free
22 18 5 8.8 osh-native mut+alloc+free+gc
23 14 9 9.0 osh-native mut+alloc+free+gc+exit
24 21 4 12.8 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 9 12 10.4 osh-native-souffle mut+alloc
21 12 10 10.7 osh-native-souffle mut+alloc+free
21 20 1 8.5 osh-native-souffle mut+alloc+free+gc
22 13 9 8.7 osh-native-souffle mut+alloc+free+gc+exit