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 17.4 476,744 1,282 6 406,186 5 203,093 osh-native-souffle
parse.configure-coreutils 155 26 69 44.5 49.9 1,653,332 4,764 12 1,025,512 6 764,299 osh-native
parse.configure-coreutils 144 27 66 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 8.7 101,935 180 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 2 2.1 8.1 579,599 22,608 12 50,000 0 2,912 osh-native
ex.compute-fib 22 0 1 2.1 7.6 579,599 22,608 12 50,000 0 2,850 osh-native-souffle
ex.bashcomp-parse-help 183 0 4 10.3 8.8 995,281 15,258 21 50,000 0 3,894 osh-native
ex.bashcomp-parse-help 176 0 3 10.3 8.1 995,280 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 1.4 dash -
23 23 0 3.0 bash -
104 57 54 3.4 zsh -
17 17 0 29.2 bumpleak/osh mut
20 16 4 30.2 _bin/cxx-opt+bumproot/osh mut
23 23 0 28.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 12 17 25.3 osh-native mut+alloc
32 16 16 25.6 osh-native mut+alloc+free
36 28 8 18.1 osh-native mut+alloc+free+gc
38 33 4 18.1 osh-native mut+alloc+free+gc+exit
43 23 20 32.0 _bin/cxx-opt+nopool/osh mut+alloc
49 32 16 22.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 12 15 24.9 osh-native-souffle mut+alloc
30 21 8 25.3 osh-native-souffle mut+alloc+free
33 33 0 17.4 osh-native-souffle mut+alloc+free+gc
35 31 4 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
22 21 0 1.6 dash -
78 78 0 3.3 bash -
382 206 196 3.5 zsh -
50 30 19 85.2 bumpleak/osh mut
59 51 8 86.2 _bin/cxx-opt+bumproot/osh mut
69 49 20 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 77 20 73.5 osh-native mut+alloc
107 83 24 75.4 osh-native mut+alloc+free
155 139 16 49.9 osh-native mut+alloc+free+gc
161 130 31 50.5 osh-native mut+alloc+free+gc+exit
139 95 44 98.4 _bin/cxx-opt+nopool/osh mut+alloc
219 194 24 66.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
90 70 19 73.1 osh-native-souffle mut+alloc
97 64 32 75.1 osh-native-souffle mut+alloc+free
144 132 12 51.0 osh-native-souffle mut+alloc+free+gc
152 132 20 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 3.0 bash -
8 4 4 3.3 zsh -
6 6 0 10.6 bumpleak/osh mut
7 3 3 12.7 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
9 6 3 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 0 12 11.5 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 0 8 9.6 osh-native-souffle mut+alloc
8 8 0 9.8 osh-native-souffle mut+alloc+free
9 9 0 7.9 osh-native-souffle mut+alloc+free+gc
10 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 1.3 dash -
29 25 4 3.0 bash -
23 20 4 3.3 zsh -
18 18 0 30.8 bumpleak/osh mut
26 26 0 32.0 _bin/cxx-opt+bumproot/osh mut
28 28 0 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
38 27 11 26.3 osh-native mut+alloc
38 26 11 26.6 osh-native mut+alloc+free
28 23 5 8.1 osh-native mut+alloc+free+gc
28 27 0 8.0 osh-native mut+alloc+free+gc+exit
55 42 13 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
31 19 11 26.1 osh-native-souffle mut+alloc
32 24 8 26.2 osh-native-souffle mut+alloc+free
22 22 0 7.6 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 3.0 bash -
169 94 75 54.7 bumpleak/osh mut
182 106 75 55.2 _bin/cxx-opt+bumproot/osh mut
196 135 60 56.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
215 151 64 47.4 osh-native mut+alloc
220 144 76 49.0 osh-native mut+alloc+free
183 113 69 8.8 osh-native mut+alloc+free+gc
182 118 63 8.9 osh-native mut+alloc+free+gc+exit
232 144 88 63.9 _bin/cxx-opt+nopool/osh mut+alloc
213 164 48 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
206 107 99 46.8 osh-native-souffle mut+alloc
212 112 100 48.6 osh-native-souffle mut+alloc+free
176 136 40 8.1 osh-native-souffle mut+alloc+free+gc
176 136 40 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 10 0 3.5 dash -
20 20 0 4.3 bash -
18 13 5 3.4 zsh -
20 12 8 12.6 bumpleak/osh mut
20 8 12 12.1 _bin/cxx-opt+bumproot/osh mut
22 10 12 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 7 11.0 osh-native mut+alloc
23 16 7 11.1 osh-native mut+alloc+free
22 12 11 8.8 osh-native mut+alloc+free+gc
23 21 2 9.0 osh-native mut+alloc+free+gc+exit
25 16 9 12.7 _bin/cxx-opt+nopool/osh mut+alloc
26 19 7 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
21 13 9 10.4 osh-native-souffle mut+alloc
22 14 8 10.7 osh-native-souffle mut+alloc+free
21 13 9 8.5 osh-native-souffle mut+alloc+free+gc
22 11 12 8.7 osh-native-souffle mut+alloc+free+gc+exit