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 33 3 9 12.0 18.0 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 141 21 55 44.6 49.7 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 8.0 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 177 0 3 10.3 8.8 995,244 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 1.6 dash -
24 24 0 3.1 bash -
103 54 56 3.4 zsh -
16 12 4 28.4 bumpleak/osh mut
18 15 4 29.3 _bin/cxx-opt+bumproot/osh mut
21 10 10 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.0 osh-native mut+alloc
30 15 15 25.6 osh-native mut+alloc+free
33 33 0 18.0 osh-native mut+alloc+free+gc
34 26 8 18.0 osh-native mut+alloc+free+gc+exit
41 24 16 32.5 _bin/cxx-opt+nopool/osh mut+alloc
44 32 12 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
20 20 0 1.4 dash -
78 77 0 3.1 bash -
372 239 154 3.5 zsh -
46 35 12 85.0 bumpleak/osh mut
60 48 12 84.8 _bin/cxx-opt+bumproot/osh mut
71 59 12 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 68 28 73.3 osh-native mut+alloc
105 70 35 75.0 osh-native mut+alloc+free
141 124 16 49.7 osh-native mut+alloc+free+gc
148 123 24 50.6 osh-native mut+alloc+free+gc+exit
134 95 39 98.2 _bin/cxx-opt+nopool/osh mut+alloc
194 162 32 68.5 _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 2 0 1.4 dash -
5 5 0 2.8 bash -
8 4 4 3.1 zsh -
5 3 3 11.9 bumpleak/osh mut
6 6 0 12.7 _bin/cxx-opt+bumproot/osh mut
7 4 4 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 10.0 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 4 4 8.7 osh-native mut+alloc+free+gc+exit
11 7 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 4 7 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 -
28 28 0 2.9 bash -
24 12 12 3.3 zsh -
19 15 4 32.7 bumpleak/osh mut
25 24 0 31.2 _bin/cxx-opt+bumproot/osh mut
28 28 0 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.3 osh-native mut+alloc
37 33 4 26.6 osh-native mut+alloc+free
28 20 8 8.0 osh-native mut+alloc+free+gc
27 27 0 7.9 osh-native mut+alloc+free+gc+exit
54 46 8 36.0 _bin/cxx-opt+nopool/osh mut+alloc
38 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 72 0 3.1 bash -
163 99 64 54.3 bumpleak/osh mut
170 117 52 54.7 _bin/cxx-opt+bumproot/osh mut
189 133 56 54.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
200 124 76 46.9 osh-native mut+alloc
210 143 67 48.7 osh-native mut+alloc+free
177 132 44 8.8 osh-native mut+alloc+free+gc
181 112 68 8.8 osh-native mut+alloc+free+gc+exit
227 151 76 63.8 _bin/cxx-opt+nopool/osh mut+alloc
206 153 52 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 8 2 3.5 dash -
19 13 7 4.5 bash -
18 5 13 3.5 zsh -
18 8 10 11.9 bumpleak/osh mut
20 11 9 12.8 _bin/cxx-opt+bumproot/osh mut
21 17 5 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 11 10 10.9 osh-native mut+alloc
22 14 8 11.1 osh-native mut+alloc+free
22 21 1 9.0 osh-native mut+alloc+free+gc
22 19 4 9.0 osh-native mut+alloc+free+gc+exit
25 17 8 12.8 _bin/cxx-opt+nopool/osh mut+alloc
24 16 9 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc