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 143 22 57 44.6 50.0 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 1 2.4 8.0 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 181 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 8.9 116,311 270 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 3.0 bash -
105 52 60 3.4 zsh -
16 12 4 29.4 bumpleak/osh mut
20 12 8 28.3 _bin/cxx-opt+bumproot/osh mut
22 17 4 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.2 osh-native mut+alloc
31 19 12 25.6 osh-native mut+alloc+free
35 35 0 17.8 osh-native mut+alloc+free+gc
37 33 4 18.0 osh-native mut+alloc+free+gc+exit
43 27 16 32.7 _bin/cxx-opt+nopool/osh mut+alloc
49 40 8 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 21 0 1.6 dash -
77 73 4 2.9 bash -
375 209 188 3.4 zsh -
49 41 8 84.7 bumpleak/osh mut
60 48 12 85.1 _bin/cxx-opt+bumproot/osh mut
70 41 29 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 61 36 73.6 osh-native mut+alloc
105 84 20 75.3 osh-native mut+alloc+free
143 114 29 50.0 osh-native mut+alloc+free+gc
148 140 8 50.6 osh-native mut+alloc+free+gc+exit
140 92 48 97.7 _bin/cxx-opt+nopool/osh mut+alloc
200 176 24 66.8 _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 1.3 dash -
6 6 0 3.0 bash -
8 0 7 3.3 zsh -
6 3 3 11.5 bumpleak/osh mut
6 3 3 10.8 _bin/cxx-opt+bumproot/osh mut
7 3 3 11.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
8 8 0 10.0 osh-native mut+alloc+free
9 4 4 8.4 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
11 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 7 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
10 10 0 1.4 dash -
28 28 0 3.0 bash -
24 12 12 3.1 zsh -
19 15 4 32.1 bumpleak/osh mut
25 21 4 31.3 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
38 33 4 26.2 osh-native mut+alloc
37 33 4 26.5 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 20 8 8.0 osh-native mut+alloc+free+gc+exit
53 45 8 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 33 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
75 74 0 3.3 bash -
166 107 59 54.2 bumpleak/osh mut
177 109 68 55.3 _bin/cxx-opt+bumproot/osh mut
193 124 68 55.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 140 68 47.0 osh-native mut+alloc
214 157 56 48.6 osh-native mut+alloc+free
181 133 48 8.5 osh-native mut+alloc+free+gc
179 119 60 8.5 osh-native mut+alloc+free+gc+exit
231 146 85 64.2 _bin/cxx-opt+nopool/osh mut+alloc
207 151 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
9 9 1 3.4 dash -
19 18 1 4.3 bash -
17 10 8 3.5 zsh -
18 11 7 11.8 bumpleak/osh mut
19 11 8 13.7 _bin/cxx-opt+bumproot/osh mut
20 12 9 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 15 6 10.7 osh-native mut+alloc
22 12 11 11.1 osh-native mut+alloc+free
22 16 6 8.9 osh-native mut+alloc+free+gc
22 21 2 9.0 osh-native mut+alloc+free+gc+exit
25 19 6 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 15 10 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc