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 37 4 10 12.0 17.8 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 156 25 68 44.6 49.8 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 9 1 1 2.6 8.4 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 29 0 2 2.4 7.9 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 182 0 3 10.3 8.8 995,244 12,911 21 50,000 0 3,834 osh-native
ex.abuild-print-help 23 1 2 2.8 9.0 116,311 270 3 85,370 1 42,685 osh-native

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 3.1 bash -
104 64 46 3.4 zsh -
16 12 4 28.0 bumpleak/osh mut
20 16 4 29.7 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.0 osh-native mut+alloc
32 20 12 25.4 osh-native mut+alloc+free
37 28 8 17.8 osh-native mut+alloc+free+gc
37 20 16 18.0 osh-native mut+alloc+free+gc+exit
43 24 20 32.7 _bin/cxx-opt+nopool/osh mut+alloc
49 34 15 22.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

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
23 19 4 1.6 dash -
77 77 0 3.3 bash -
376 191 207 3.7 zsh -
49 41 7 84.3 bumpleak/osh mut
60 52 8 84.9 _bin/cxx-opt+bumproot/osh mut
71 59 12 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 51 47 73.4 osh-native mut+alloc
106 57 49 75.3 osh-native mut+alloc+free
156 139 16 49.8 osh-native mut+alloc+free+gc
160 128 32 50.6 osh-native mut+alloc+free+gc+exit
139 98 41 98.5 _bin/cxx-opt+nopool/osh mut+alloc
222 194 28 67.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

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 3 3 3.0 bash -
8 8 0 3.3 zsh -
6 3 3 11.9 bumpleak/osh mut
7 3 3 11.1 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.0 osh-native mut+alloc
9 6 3 10.1 osh-native mut+alloc+free
9 3 6 8.4 osh-native mut+alloc+free+gc
9 6 3 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

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 28 0 3.0 bash -
24 12 12 3.3 zsh -
19 19 0 30.9 bumpleak/osh mut
25 21 4 31.3 _bin/cxx-opt+bumproot/osh mut
29 25 4 31.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 16 21 26.3 osh-native mut+alloc
39 23 15 26.5 osh-native mut+alloc+free
29 25 4 7.9 osh-native mut+alloc+free+gc
28 24 4 7.7 osh-native mut+alloc+free+gc+exit
54 31 23 35.8 _bin/cxx-opt+nopool/osh mut+alloc
38 34 4 9.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.bashcomp-parse-help

A realistic bash-completion workload.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
72 68 4 3.1 bash -
171 134 37 54.8 bumpleak/osh mut
178 135 44 54.6 _bin/cxx-opt+bumproot/osh mut
192 124 68 55.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 133 77 46.9 osh-native mut+alloc
217 144 72 48.7 osh-native mut+alloc+free
182 125 56 8.8 osh-native mut+alloc+free+gc
182 117 64 8.7 osh-native mut+alloc+free+gc+exit
231 159 71 63.3 _bin/cxx-opt+nopool/osh mut+alloc
209 164 44 10.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

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 5 6 3.5 dash -
20 20 1 4.3 bash -
19 13 7 3.4 zsh -
19 16 3 12.0 bumpleak/osh mut
20 17 3 12.3 _bin/cxx-opt+bumproot/osh mut
20 11 9 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 17 5 11.0 osh-native mut+alloc
23 13 10 11.1 osh-native mut+alloc+free
23 18 5 9.0 osh-native mut+alloc+free+gc
23 20 4 9.0 osh-native mut+alloc+free+gc+exit
24 14 11 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 18 8 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc