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 27 3 7 12.0 17.8 476,721 1,282 6 408,808 5 204,404 osh-native
parse.configure-coreutils 112 19 47 44.6 49.8 1,653,309 4,764 12 1,030,692 6 769,430 osh-native
parse.abuild 7 0 1 2.6 8.6 101,912 180 2 75,150 1 37,575 osh-native
ex.compute-fib 20 0 1 2.4 8.0 584,177 22,608 12 50,000 0 2,852 osh-native
ex.bashcomp-parse-help 127 0 2 10.3 8.7 995,254 12,911 21 50,000 0 3,842 osh-native
ex.abuild-print-help 18 0 1 2.8 9.1 116,321 270 3 85,386 1 42,693 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
4 4 0 1.6 dash -
20 20 0 3.2 bash -
78 48 34 3.5 zsh -
13 12 0 28.3 bumpleak/osh mut
14 10 5 28.5 _bin/cxx-opt+bumproot/osh mut
17 16 0 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
23 15 8 25.2 osh-native mut+alloc
24 20 4 25.5 osh-native mut+alloc+free
27 19 8 17.8 osh-native mut+alloc+free+gc
27 23 5 18.0 osh-native mut+alloc+free+gc+exit
33 22 11 32.5 _bin/cxx-opt+nopool/osh mut+alloc
36 35 0 22.5 _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
15 15 0 1.6 dash -
56 56 0 3.3 bash -
323 192 148 3.5 zsh -
37 37 0 85.8 bumpleak/osh mut
45 41 4 84.7 _bin/cxx-opt+bumproot/osh mut
53 37 16 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
74 57 16 73.3 osh-native mut+alloc
82 41 41 75.0 osh-native mut+alloc+free
112 88 24 49.8 osh-native mut+alloc+free+gc
116 88 28 50.7 osh-native mut+alloc+free+gc+exit
105 77 28 99.5 _bin/cxx-opt+nopool/osh mut+alloc
158 133 24 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
1 1 0 1.6 dash -
4 4 0 3.1 bash -
5 3 2 3.5 zsh -
5 0 5 11.7 bumpleak/osh mut
5 0 5 12.4 _bin/cxx-opt+bumproot/osh mut
5 5 0 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.1 osh-native mut+alloc
7 0 6 10.1 osh-native mut+alloc+free
7 0 7 8.6 osh-native mut+alloc+free+gc
7 7 0 8.5 osh-native mut+alloc+free+gc+exit
9 4 4 11.5 _bin/cxx-opt+nopool/osh mut+alloc
8 8 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
8 4 4 1.6 dash -
21 20 0 3.0 bash -
17 13 3 3.4 zsh -
14 9 5 31.2 bumpleak/osh mut
19 15 4 32.6 _bin/cxx-opt+bumproot/osh mut
21 14 7 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 24 4 26.3 osh-native mut+alloc
29 25 4 26.6 osh-native mut+alloc+free
20 16 4 8.0 osh-native mut+alloc+free+gc
21 14 7 8.1 osh-native mut+alloc+free+gc+exit
41 16 24 36.0 _bin/cxx-opt+nopool/osh mut+alloc
27 23 4 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
52 44 8 3.2 bash -
118 85 33 55.1 bumpleak/osh mut
129 89 40 56.1 _bin/cxx-opt+bumproot/osh mut
137 100 36 55.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
151 102 49 46.9 osh-native mut+alloc
158 118 39 48.7 osh-native mut+alloc+free
127 79 47 8.7 osh-native mut+alloc+free+gc
126 86 39 8.8 osh-native mut+alloc+free+gc+exit
167 84 84 63.9 _bin/cxx-opt+nopool/osh mut+alloc
147 123 24 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
8 5 3 3.6 dash -
16 6 10 4.5 bash -
14 5 9 3.7 zsh -
16 6 10 13.0 bumpleak/osh mut
16 14 2 13.8 _bin/cxx-opt+bumproot/osh mut
17 15 2 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
16 15 1 11.2 osh-native mut+alloc
18 17 1 11.2 osh-native mut+alloc+free
18 18 0 9.1 osh-native mut+alloc+free+gc
19 11 8 9.1 osh-native mut+alloc+free+gc+exit
19 10 9 12.6 _bin/cxx-opt+nopool/osh mut+alloc
21 11 10 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc