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 9 12.0 17.8 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 159 24 71 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 1 2.4 7.7 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 181 0 4 10.3 8.5 995,244 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 22 1 2 2.8 9.0 116,311 478 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 1.4 dash -
23 23 0 3.1 bash -
106 77 35 3.4 zsh -
16 12 4 27.7 bumpleak/osh mut
19 11 8 29.0 _bin/cxx-opt+bumproot/osh mut
23 22 0 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 13 17 25.0 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
37 26 11 18.0 osh-native mut+alloc+free+gc+exit
43 27 15 32.5 _bin/cxx-opt+nopool/osh mut+alloc
51 47 4 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
21 21 0 1.6 dash -
77 77 0 3.1 bash -
382 220 183 3.5 zsh -
48 44 4 85.4 bumpleak/osh mut
60 56 4 86.0 _bin/cxx-opt+bumproot/osh mut
69 61 8 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 73 24 73.4 osh-native mut+alloc
106 78 27 75.1 osh-native mut+alloc+free
159 151 8 49.9 osh-native mut+alloc+free+gc
161 145 16 50.6 osh-native mut+alloc+free+gc+exit
137 105 32 98.8 _bin/cxx-opt+nopool/osh mut+alloc
219 182 36 67.7 _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 0 2 1.4 dash -
6 6 0 2.9 bash -
8 4 4 3.4 zsh -
6 6 0 11.7 bumpleak/osh mut
7 3 3 12.4 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 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 8.8 osh-native mut+alloc+free+gc+exit
12 12 0 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
10 10 0 1.4 dash -
29 25 4 2.9 bash -
24 8 16 3.3 zsh -
19 19 0 30.6 bumpleak/osh mut
26 22 4 32.1 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 22 15 26.1 osh-native mut+alloc
39 23 15 26.5 osh-native mut+alloc+free
28 28 0 7.7 osh-native mut+alloc+free+gc
29 28 0 8.0 osh-native mut+alloc+free+gc+exit
55 42 13 35.8 _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
72 68 4 3.0 bash -
169 108 60 55.0 bumpleak/osh mut
180 127 52 54.5 _bin/cxx-opt+bumproot/osh mut
191 139 52 56.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 169 44 47.0 osh-native mut+alloc
216 144 72 48.8 osh-native mut+alloc+free
181 110 71 8.5 osh-native mut+alloc+free+gc
181 153 28 8.7 osh-native mut+alloc+free+gc+exit
232 148 84 63.2 _bin/cxx-opt+nopool/osh mut+alloc
210 158 51 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 6 4 3.4 dash -
19 12 8 4.3 bash -
18 11 7 3.5 zsh -
17 15 3 12.9 bumpleak/osh mut
19 14 6 13.7 _bin/cxx-opt+bumproot/osh mut
20 9 11 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 15 7 10.7 osh-native mut+alloc
23 21 2 10.9 osh-native mut+alloc+free
22 12 11 9.0 osh-native mut+alloc+free+gc
23 20 4 8.9 osh-native mut+alloc+free+gc+exit
25 6 19 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 19 7 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc