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 35 3 9 12.0 18.0 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 150 23 63 44.6 50.0 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 29 0 1 2.4 8.0 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 180 0 3 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 3 3 1.6 dash -
23 19 4 3.0 bash -
103 65 44 3.3 zsh -
16 12 4 29.8 bumpleak/osh mut
19 15 4 29.3 _bin/cxx-opt+bumproot/osh mut
23 11 11 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.2 osh-native mut+alloc
32 20 12 25.7 osh-native mut+alloc+free
35 23 12 18.0 osh-native mut+alloc+free+gc
37 33 4 18.0 osh-native mut+alloc+free+gc+exit
44 28 16 32.0 _bin/cxx-opt+nopool/osh mut+alloc
48 47 0 22.2 _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
21 21 0 1.6 dash -
77 77 0 3.1 bash -
376 216 182 3.7 zsh -
48 32 16 85.8 bumpleak/osh mut
61 57 4 86.2 _bin/cxx-opt+bumproot/osh mut
70 37 33 85.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 53 45 73.4 osh-native mut+alloc
106 67 39 75.3 osh-native mut+alloc+free
150 122 28 50.0 osh-native mut+alloc+free+gc
157 136 20 50.4 osh-native mut+alloc+free+gc+exit
142 105 36 98.6 _bin/cxx-opt+nopool/osh mut+alloc
212 196 16 67.5 _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 3 3 2.9 bash -
8 4 4 3.4 zsh -
6 0 6 12.2 bumpleak/osh mut
7 7 0 11.0 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
9 3 6 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 11 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
10 10 0 1.4 dash -
29 28 0 2.9 bash -
24 16 8 3.4 zsh -
19 19 0 31.9 bumpleak/osh mut
26 22 4 33.2 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.2 osh-native mut+alloc
38 22 15 26.5 osh-native mut+alloc+free
29 21 7 8.0 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
55 35 19 35.9 _bin/cxx-opt+nopool/osh mut+alloc
38 34 4 9.6 _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 73 0 3.3 bash -
168 100 68 54.0 bumpleak/osh mut
179 105 73 54.5 _bin/cxx-opt+bumproot/osh mut
192 136 56 55.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 149 60 46.9 osh-native mut+alloc
216 156 60 48.7 osh-native mut+alloc+free
180 140 40 8.7 osh-native mut+alloc+free+gc
178 134 45 8.7 osh-native mut+alloc+free+gc+exit
231 129 101 64.0 _bin/cxx-opt+nopool/osh mut+alloc
207 155 52 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 6 4 3.4 dash -
20 17 3 4.3 bash -
17 11 7 3.4 zsh -
18 11 7 11.4 bumpleak/osh mut
21 11 10 13.2 _bin/cxx-opt+bumproot/osh mut
20 6 15 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 15 7 10.9 osh-native mut+alloc
23 13 10 11.1 osh-native mut+alloc+free
22 15 7 9.0 osh-native mut+alloc+free+gc
22 16 6 8.9 osh-native mut+alloc+free+gc+exit
25 17 8 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 24 0 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc