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 17.8 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 160 26 74 44.6 49.9 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 9 1 1 2.6 8.5 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 1 2.4 7.9 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 183 0 4 10.3 8.7 995,244 12,911 21 50,000 0 3,834 osh-native
ex.abuild-print-help 23 1 2 2.8 8.8 116,311 270 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
7 3 3 1.4 dash -
23 23 0 3.0 bash -
105 64 47 3.3 zsh -
17 10 7 28.2 bumpleak/osh mut
20 8 12 28.3 _bin/cxx-opt+bumproot/osh mut
23 23 0 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 9 24.9 osh-native mut+alloc
32 28 4 25.7 osh-native mut+alloc+free
36 36 0 17.8 osh-native mut+alloc+free+gc
37 37 0 18.0 osh-native mut+alloc+free+gc+exit
44 31 12 32.5 _bin/cxx-opt+nopool/osh mut+alloc
51 39 12 22.1 _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
22 22 0 1.6 dash -
77 77 0 3.1 bash -
378 196 203 3.7 zsh -
48 44 4 85.2 bumpleak/osh mut
60 51 8 85.6 _bin/cxx-opt+bumproot/osh mut
72 63 8 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 51 47 73.6 osh-native mut+alloc
106 71 35 75.3 osh-native mut+alloc+free
160 140 20 49.9 osh-native mut+alloc+free+gc
166 149 16 50.6 osh-native mut+alloc+free+gc+exit
142 102 39 98.4 _bin/cxx-opt+nopool/osh mut+alloc
226 186 40 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 6 0 3.0 bash -
8 8 0 3.3 zsh -
6 3 3 12.3 bumpleak/osh mut
7 7 0 12.7 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.1 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 5 5 8.5 osh-native mut+alloc+free+gc
10 5 5 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 9.5 _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
11 11 0 1.4 dash -
30 29 0 3.0 bash -
24 12 12 3.1 zsh -
19 9 9 31.3 bumpleak/osh mut
26 22 4 32.0 _bin/cxx-opt+bumproot/osh mut
28 20 8 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.1 osh-native mut+alloc
38 25 13 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
55 27 27 36.3 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 9.5 _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
73 69 4 3.1 bash -
169 101 68 54.6 bumpleak/osh mut
185 128 56 54.4 _bin/cxx-opt+bumproot/osh mut
194 122 71 55.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 138 75 47.1 osh-native mut+alloc
218 133 85 48.7 osh-native mut+alloc+free
183 146 36 8.7 osh-native mut+alloc+free+gc
183 139 44 8.7 osh-native mut+alloc+free+gc+exit
235 158 77 64.4 _bin/cxx-opt+nopool/osh mut+alloc
209 149 60 10.1 _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 7 3 3.5 dash -
20 15 5 4.3 bash -
18 9 10 3.5 zsh -
21 10 12 12.8 bumpleak/osh mut
20 15 5 13.5 _bin/cxx-opt+bumproot/osh mut
20 10 11 13.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 13 8 10.9 osh-native mut+alloc
23 14 9 11.1 osh-native mut+alloc+free
23 14 9 8.8 osh-native mut+alloc+free+gc
24 18 6 9.0 osh-native mut+alloc+free+gc+exit
25 11 14 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 17 9 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc