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 36 4 10 12.0 18.0 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 155 22 68 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 28 0 2 2.4 7.9 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 181 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 9.0 116,311 270 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
7 3 3 1.4 dash -
24 20 4 3.1 bash -
106 56 57 3.3 zsh -
17 13 4 28.2 bumpleak/osh mut
20 16 4 30.1 _bin/cxx-opt+bumproot/osh mut
22 22 0 29.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 14 14 25.0 osh-native mut+alloc
31 19 12 25.6 osh-native mut+alloc+free
36 32 4 18.0 osh-native mut+alloc+free+gc
37 25 12 18.1 osh-native mut+alloc+free+gc+exit
44 16 28 32.3 _bin/cxx-opt+nopool/osh mut+alloc
51 35 16 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
22 21 0 1.6 dash -
77 77 0 3.3 bash -
377 192 206 3.5 zsh -
50 38 12 85.8 bumpleak/osh mut
60 47 12 84.7 _bin/cxx-opt+bumproot/osh mut
72 64 8 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 48 48 73.6 osh-native mut+alloc
105 60 44 75.3 osh-native mut+alloc+free
155 119 36 49.9 osh-native mut+alloc+free+gc
154 130 24 50.6 osh-native mut+alloc+free+gc+exit
137 89 48 99.0 _bin/cxx-opt+nopool/osh mut+alloc
215 179 36 67.6 _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 -
6 6 0 2.9 bash -
8 4 4 3.3 zsh -
6 6 0 11.3 bumpleak/osh mut
7 7 0 12.3 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 10.1 osh-native mut+alloc
9 4 4 10.2 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.3 _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 -
29 29 0 2.9 bash -
23 19 4 3.3 zsh -
19 19 0 31.2 bumpleak/osh mut
25 17 8 31.5 _bin/cxx-opt+bumproot/osh mut
29 24 4 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 36 0 26.3 osh-native mut+alloc
40 8 32 26.5 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
54 33 21 36.0 _bin/cxx-opt+nopool/osh mut+alloc
38 30 8 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 3.1 bash -
169 108 60 54.8 bumpleak/osh mut
179 147 32 55.5 _bin/cxx-opt+bumproot/osh mut
221 136 84 56.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 135 75 47.0 osh-native mut+alloc
218 163 56 48.8 osh-native mut+alloc+free
181 117 64 8.7 osh-native mut+alloc+free+gc
180 132 48 8.7 osh-native mut+alloc+free+gc+exit
232 161 71 63.7 _bin/cxx-opt+nopool/osh mut+alloc
208 152 56 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 9 1 3.4 dash -
20 15 5 4.3 bash -
17 9 9 3.5 zsh -
18 7 11 11.6 bumpleak/osh mut
21 18 3 13.5 _bin/cxx-opt+bumproot/osh mut
22 15 7 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 18 4 10.9 osh-native mut+alloc
22 13 10 11.1 osh-native mut+alloc+free
23 17 6 9.0 osh-native mut+alloc+free+gc
23 18 6 9.0 osh-native mut+alloc+free+gc+exit
25 18 7 12.7 _bin/cxx-opt+nopool/osh mut+alloc
26 21 5 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc