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 145 22 58 44.6 49.8 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 179 0 3 10.3 8.5 995,244 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 2.9 bash -
104 49 62 3.4 zsh -
16 8 8 29.5 bumpleak/osh mut
19 15 4 30.1 _bin/cxx-opt+bumproot/osh mut
22 11 11 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 25 4 25.2 osh-native mut+alloc
31 23 8 25.6 osh-native mut+alloc+free
36 31 4 18.0 osh-native mut+alloc+free+gc
36 28 8 18.0 osh-native mut+alloc+free+gc+exit
43 19 23 32.7 _bin/cxx-opt+nopool/osh mut+alloc
47 34 13 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 22 0 1.4 dash -
77 77 0 3.3 bash -
373 235 158 3.4 zsh -
48 40 8 85.8 bumpleak/osh mut
60 48 12 86.1 _bin/cxx-opt+bumproot/osh mut
71 59 12 85.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 48 48 73.3 osh-native mut+alloc
105 73 32 75.3 osh-native mut+alloc+free
145 121 24 49.8 osh-native mut+alloc+free+gc
152 135 16 50.6 osh-native mut+alloc+free+gc+exit
142 94 47 98.6 _bin/cxx-opt+nopool/osh mut+alloc
203 175 28 68.2 _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 2 0 1.4 dash -
6 3 3 2.9 bash -
8 8 0 3.3 zsh -
6 0 6 11.4 bumpleak/osh mut
7 0 7 11.3 _bin/cxx-opt+bumproot/osh mut
7 7 0 10.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
8 8 0 10.0 osh-native mut+alloc+free
9 6 3 8.5 osh-native mut+alloc+free+gc
9 9 0 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 8 4 9.4 _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 25 4 2.9 bash -
24 16 8 3.3 zsh -
19 15 4 31.8 bumpleak/osh mut
26 22 4 32.1 _bin/cxx-opt+bumproot/osh mut
28 20 8 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 16 20 26.2 osh-native mut+alloc
38 21 17 26.3 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
55 46 8 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 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 69 4 3.1 bash -
167 115 52 54.1 bumpleak/osh mut
177 109 68 55.4 _bin/cxx-opt+bumproot/osh mut
193 112 80 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 157 52 47.1 osh-native mut+alloc
214 137 77 48.7 osh-native mut+alloc+free
179 107 72 8.5 osh-native mut+alloc+free+gc
179 134 45 8.8 osh-native mut+alloc+free+gc+exit
229 140 88 62.8 _bin/cxx-opt+nopool/osh mut+alloc
208 155 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 5 5 3.5 dash -
20 16 4 4.5 bash -
18 10 8 3.4 zsh -
20 15 5 12.8 bumpleak/osh mut
20 12 9 13.0 _bin/cxx-opt+bumproot/osh mut
22 10 12 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 13 8 11.0 osh-native mut+alloc
22 20 2 11.0 osh-native mut+alloc+free
22 15 7 9.0 osh-native mut+alloc+free+gc
22 21 2 8.9 osh-native mut+alloc+free+gc+exit
24 11 14 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 13 12 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc