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 39 5 12 12.0 18.0 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 166 27 77 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 28 0 1 2.4 8.0 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 181 0 4 10.3 8.7 995,244 12,911 21 50,000 0 3,834 osh-native
ex.abuild-print-help 22 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 1.4 dash -
24 20 4 3.0 bash -
107 64 49 3.1 zsh -
17 8 8 29.7 bumpleak/osh mut
20 20 0 28.5 _bin/cxx-opt+bumproot/osh mut
23 19 4 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
32 20 12 25.2 osh-native mut+alloc
32 20 12 25.6 osh-native mut+alloc+free
39 31 8 18.0 osh-native mut+alloc+free+gc
38 21 17 18.0 osh-native mut+alloc+free+gc+exit
44 22 22 33.2 _bin/cxx-opt+nopool/osh mut+alloc
59 55 4 22.3 _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 21 0 1.6 dash -
77 77 0 3.1 bash -
377 212 188 3.5 zsh -
49 32 16 84.8 bumpleak/osh mut
61 49 12 85.3 _bin/cxx-opt+bumproot/osh mut
70 57 12 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 70 27 73.6 osh-native mut+alloc
107 63 43 75.3 osh-native mut+alloc+free
166 149 16 49.8 osh-native mut+alloc+free+gc
173 165 8 50.6 osh-native mut+alloc+free+gc+exit
141 88 52 97.9 _bin/cxx-opt+nopool/osh mut+alloc
236 220 16 68.2 _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 0 2 1.4 dash -
6 0 6 2.9 bash -
8 4 4 3.1 zsh -
6 3 3 11.3 bumpleak/osh mut
7 7 0 11.3 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 0 9 10.0 osh-native mut+alloc
9 5 5 10.0 osh-native mut+alloc+free
9 4 4 8.4 osh-native mut+alloc+free+gc
10 10 0 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.5 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 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 7 4 1.4 dash -
29 25 4 3.0 bash -
24 24 0 3.3 zsh -
19 16 4 30.8 bumpleak/osh mut
26 22 4 31.8 _bin/cxx-opt+bumproot/osh mut
29 20 8 31.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 25 12 26.3 osh-native mut+alloc
39 23 15 26.6 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
54 46 8 35.8 _bin/cxx-opt+nopool/osh mut+alloc
38 38 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
72 72 0 3.1 bash -
170 117 52 54.0 bumpleak/osh mut
179 96 84 54.9 _bin/cxx-opt+bumproot/osh mut
196 148 48 56.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 128 84 46.9 osh-native mut+alloc
218 129 88 48.6 osh-native mut+alloc+free
181 124 56 8.7 osh-native mut+alloc+free+gc
183 135 48 8.8 osh-native mut+alloc+free+gc+exit
233 110 122 63.6 _bin/cxx-opt+nopool/osh mut+alloc
213 130 83 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 10 1 3.4 dash -
20 13 7 4.3 bash -
19 9 10 3.4 zsh -
19 15 4 12.2 bumpleak/osh mut
21 18 3 12.8 _bin/cxx-opt+bumproot/osh mut
20 13 8 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 12 11 10.7 osh-native mut+alloc
23 14 10 11.0 osh-native mut+alloc+free
22 20 3 9.0 osh-native mut+alloc+free+gc
23 16 7 8.9 osh-native mut+alloc+free+gc+exit
25 11 14 12.7 _bin/cxx-opt+nopool/osh mut+alloc
26 23 3 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc