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 3 10 12.0 17.8 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 163 27 75 46.1 51.2 1,653,264 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 1 2.6 8.4 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 2 2.6 8.0 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.8 995,209 27,376 21 50,000 0 3,815 osh-native
ex.abuild-print-help 23 1 2 2.8 8.8 116,276 478 3 85,322 1 42,661 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 -
106 59 54 3.4 zsh -
16 12 4 29.3 bumpleak/osh mut
20 12 8 28.8 _bin/cxx-opt+bumproot/osh mut
23 15 8 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 11 19 24.9 osh-native mut+alloc
32 24 8 25.6 osh-native mut+alloc+free
36 32 4 17.8 osh-native mut+alloc+free+gc
39 31 8 18.0 osh-native mut+alloc+free+gc+exit
44 20 24 33.3 _bin/cxx-opt+nopool/osh mut+alloc
54 46 8 21.9 _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
21 21 0 1.6 dash -
77 77 0 3.0 bash -
379 227 173 3.5 zsh -
50 42 8 85.0 bumpleak/osh mut
59 55 4 85.9 _bin/cxx-opt+bumproot/osh mut
71 55 16 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 49 49 73.3 osh-native mut+alloc
107 47 59 75.3 osh-native mut+alloc+free
163 143 20 51.2 osh-native mut+alloc+free+gc
173 137 36 52.1 osh-native mut+alloc+free+gc+exit
140 96 44 99.1 _bin/cxx-opt+nopool/osh mut+alloc
243 207 36 73.1 _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 4 4 3.3 zsh -
6 6 0 11.8 bumpleak/osh mut
7 3 3 11.0 _bin/cxx-opt+bumproot/osh mut
7 0 7 11.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 9.8 osh-native mut+alloc
9 6 3 10.1 osh-native mut+alloc+free
9 5 5 8.4 osh-native mut+alloc+free+gc
9 6 3 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 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
10 7 3 1.6 dash -
29 29 0 3.0 bash -
24 19 4 3.4 zsh -
19 15 4 32.1 bumpleak/osh mut
25 22 4 31.3 _bin/cxx-opt+bumproot/osh mut
29 24 4 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 29 7 26.3 osh-native mut+alloc
39 31 8 26.6 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
54 33 21 35.9 _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
72 52 20 3.1 bash -
170 129 40 55.2 bumpleak/osh mut
179 127 52 54.5 _bin/cxx-opt+bumproot/osh mut
194 111 83 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 135 75 47.1 osh-native mut+alloc
218 149 69 48.8 osh-native mut+alloc+free
181 133 48 8.8 osh-native mut+alloc+free+gc
182 107 75 8.7 osh-native mut+alloc+free+gc+exit
233 160 72 63.2 _bin/cxx-opt+nopool/osh mut+alloc
209 140 68 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 10 0 3.5 dash -
20 12 8 4.3 bash -
17 14 5 3.5 zsh -
18 18 0 11.6 bumpleak/osh mut
21 13 8 13.0 _bin/cxx-opt+bumproot/osh mut
21 7 14 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 11 12 11.0 osh-native mut+alloc
23 18 6 10.7 osh-native mut+alloc+free
23 12 11 8.8 osh-native mut+alloc+free+gc
24 19 5 8.9 osh-native mut+alloc+free+gc+exit
25 18 8 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 16 11 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc