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 26 2 7 12.0 18.0 476,754 1,282 6 406,328 5 203,164 osh-native
parse.configure-cpython 24 2 7 12.0 17.5 476,754 1,282 6 406,198 5 203,099 osh-native-souffle
parse.configure-coreutils 108 18 43 44.5 49.9 1,653,342 4,764 12 1,025,524 6 764,305 osh-native
parse.configure-coreutils 105 19 47 45.9 51.1 1,653,341 4,764 12 1,063,854 6 792,365 osh-native-souffle
parse.abuild 6 0 1 2.6 8.6 101,945 180 2 75,028 1 37,514 osh-native
parse.abuild 7 1 2 2.4 8.1 101,945 180 3 87,090 1 43,545 osh-native-souffle
ex.compute-fib 20 0 1 2.1 8.1 579,612 22,608 12 50,000 0 2,918 osh-native
ex.compute-fib 15 0 1 2.1 7.7 579,612 22,608 12 50,000 0 2,857 osh-native-souffle
ex.bashcomp-parse-help 123 0 2 10.3 8.9 995,291 15,258 21 50,000 0 3,900 osh-native
ex.bashcomp-parse-help 118 0 2 10.3 8.5 995,290 15,258 21 50,000 0 3,843 osh-native-souffle
ex.abuild-print-help 24 0 1 2.8 9.2 116,321 277 3 85,246 1 42,623 osh-native
ex.abuild-print-help 23 1 2 2.8 8.7 116,321 277 3 85,122 1 42,561 osh-native-souffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
5 5 0 1.7 dash -
16 16 0 3.2 bash -
111 55 62 3.6 zsh -
12 8 4 28.0 bumpleak/osh mut
14 9 5 29.8 _bin/cxx-opt+bumproot/osh mut
16 12 4 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 9 13 25.3 osh-native mut+alloc
23 8 16 25.7 osh-native mut+alloc+free
26 17 8 18.0 osh-native mut+alloc+free+gc
26 15 11 18.1 osh-native mut+alloc+free+gc+exit
33 16 16 32.6 _bin/cxx-opt+nopool/osh mut+alloc
36 32 4 22.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 12 8 24.8 osh-native-souffle mut+alloc
22 17 4 25.3 osh-native-souffle mut+alloc+free
24 16 8 17.5 osh-native-souffle mut+alloc+free+gc
25 25 0 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
28 28 0 1.6 dash -
62 62 0 3.4 bash -
319 216 119 3.5 zsh -
36 28 8 84.1 bumpleak/osh mut
44 36 8 85.4 _bin/cxx-opt+bumproot/osh mut
53 45 8 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
73 38 34 73.6 osh-native mut+alloc
80 48 32 75.4 osh-native mut+alloc+free
108 91 16 49.9 osh-native mut+alloc+free+gc
112 80 32 50.4 osh-native mut+alloc+free+gc+exit
104 60 44 99.2 _bin/cxx-opt+nopool/osh mut+alloc
151 123 28 66.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
66 49 16 73.1 osh-native-souffle mut+alloc
73 53 20 75.1 osh-native-souffle mut+alloc+free
105 97 8 51.1 osh-native-souffle mut+alloc+free+gc
108 87 20 50.0 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
1 1 0 1.6 dash -
4 4 0 3.0 bash -
6 6 0 3.5 zsh -
4 4 0 11.8 bumpleak/osh mut
4 4 0 12.6 _bin/cxx-opt+bumproot/osh mut
5 5 0 10.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
6 6 0 10.2 osh-native mut+alloc
13 3 10 10.2 osh-native mut+alloc+free
6 3 3 8.6 osh-native mut+alloc+free+gc
7 0 7 8.7 osh-native mut+alloc+free+gc+exit
9 4 4 11.5 _bin/cxx-opt+nopool/osh mut+alloc
9 8 0 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
6 0 6 9.8 osh-native-souffle mut+alloc
12 11 0 9.8 osh-native-souffle mut+alloc+free
7 3 3 8.1 osh-native-souffle mut+alloc+free+gc
6 6 0 8.1 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
8 7 0 1.6 dash -
20 20 0 3.0 bash -
17 12 4 3.3 zsh -
13 13 0 32.4 bumpleak/osh mut
19 15 4 31.1 _bin/cxx-opt+bumproot/osh mut
20 16 4 31.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
27 22 4 26.0 osh-native mut+alloc
28 24 4 26.2 osh-native mut+alloc+free
20 20 0 8.1 osh-native mut+alloc+free+gc
19 19 0 8.1 osh-native mut+alloc+free+gc+exit
40 28 12 35.7 _bin/cxx-opt+nopool/osh mut+alloc
52 52 0 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
22 18 4 25.5 osh-native-souffle mut+alloc
23 16 8 25.8 osh-native-souffle mut+alloc+free
15 8 8 7.7 osh-native-souffle mut+alloc+free+gc
15 15 0 7.7 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
52 51 0 3.3 bash -
114 71 43 54.7 bumpleak/osh mut
125 84 40 56.4 _bin/cxx-opt+bumproot/osh mut
134 101 32 56.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
147 130 16 47.0 osh-native mut+alloc
152 112 40 48.8 osh-native mut+alloc+free
123 91 32 8.9 osh-native mut+alloc+free+gc
123 91 32 8.8 osh-native mut+alloc+free+gc+exit
163 119 44 63.5 _bin/cxx-opt+nopool/osh mut+alloc
142 126 16 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
140 92 48 46.4 osh-native-souffle mut+alloc
147 79 67 48.4 osh-native-souffle mut+alloc+free
118 91 28 8.5 osh-native-souffle mut+alloc+free+gc
119 87 32 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
12 8 3 3.6 dash -
21 15 7 4.5 bash -
19 7 13 3.6 zsh -
22 14 7 13.3 bumpleak/osh mut
24 16 9 13.7 _bin/cxx-opt+bumproot/osh mut
25 20 6 14.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
23 17 6 11.1 osh-native mut+alloc
25 19 6 11.3 osh-native mut+alloc+free
24 18 7 9.2 osh-native mut+alloc+free+gc
25 21 4 9.2 osh-native mut+alloc+free+gc+exit
26 15 12 12.6 _bin/cxx-opt+nopool/osh mut+alloc
27 19 8 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
23 9 14 10.8 osh-native-souffle mut+alloc
23 15 9 10.9 osh-native-souffle mut+alloc+free
23 16 8 8.7 osh-native-souffle mut+alloc+free+gc
23 20 3 8.8 osh-native-souffle mut+alloc+free+gc+exit