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 17.8 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 151 24 63 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 8.4 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 30 0 2 2.4 8.0 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 179 0 3 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 9.2 116,311 270 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 -
106 51 61 3.3 zsh -
16 12 4 28.6 bumpleak/osh mut
20 16 4 28.2 _bin/cxx-opt+bumproot/osh mut
24 19 4 30.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.0 osh-native mut+alloc
32 16 16 25.6 osh-native mut+alloc+free
35 23 12 17.8 osh-native mut+alloc+free+gc
38 25 12 18.0 osh-native mut+alloc+free+gc+exit
45 28 16 33.1 _bin/cxx-opt+nopool/osh mut+alloc
48 28 20 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
22 22 0 1.4 dash -
78 78 0 3.1 bash -
381 215 186 3.7 zsh -
48 40 8 84.4 bumpleak/osh mut
61 48 12 84.9 _bin/cxx-opt+bumproot/osh mut
70 69 0 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 63 35 73.4 osh-native mut+alloc
107 79 28 75.3 osh-native mut+alloc+free
151 139 12 49.9 osh-native mut+alloc+free+gc
157 132 24 50.7 osh-native mut+alloc+free+gc+exit
144 96 48 97.5 _bin/cxx-opt+nopool/osh mut+alloc
219 195 24 67.2 _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 6 0 2.9 bash -
8 4 4 3.3 zsh -
6 3 3 11.1 bumpleak/osh mut
6 6 0 12.4 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.1 osh-native mut+alloc
9 0 9 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 0 9 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.5 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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 -
28 24 4 2.9 bash -
24 16 8 3.4 zsh -
19 19 0 31.5 bumpleak/osh mut
26 22 4 33.4 _bin/cxx-opt+bumproot/osh mut
29 28 0 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 25 12 26.2 osh-native mut+alloc
38 30 8 26.5 osh-native mut+alloc+free
30 29 0 8.0 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
54 34 19 35.9 _bin/cxx-opt+nopool/osh mut+alloc
39 35 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
73 73 0 3.3 bash -
170 101 69 54.3 bumpleak/osh mut
180 124 56 56.1 _bin/cxx-opt+bumproot/osh mut
194 121 72 56.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 119 92 47.1 osh-native mut+alloc
216 188 28 48.7 osh-native mut+alloc+free
179 114 65 8.7 osh-native mut+alloc+free+gc
180 120 60 8.7 osh-native mut+alloc+free+gc+exit
233 144 88 64.2 _bin/cxx-opt+nopool/osh mut+alloc
209 169 40 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 4 6 3.4 dash -
20 14 6 4.3 bash -
18 15 4 3.5 zsh -
18 17 2 11.2 bumpleak/osh mut
21 13 8 13.3 _bin/cxx-opt+bumproot/osh mut
20 15 6 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 7 10.9 osh-native mut+alloc
22 16 6 11.1 osh-native mut+alloc+free
23 20 3 9.2 osh-native mut+alloc+free+gc
23 14 9 9.0 osh-native mut+alloc+free+gc+exit
24 14 11 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 21 4 10.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc