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 37 4 11 12.0 17.8 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 156 24 69 44.6 50.0 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 10 1 2 2.6 8.5 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 29 0 2 2.4 7.7 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 182 0 4 10.3 8.9 995,244 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 23 1 2 2.8 8.8 116,311 478 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 3.0 bash -
104 70 41 3.4 zsh -
17 17 0 27.8 bumpleak/osh mut
20 20 0 29.8 _bin/cxx-opt+bumproot/osh mut
22 18 4 28.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 26 4 25.0 osh-native mut+alloc
32 20 12 25.7 osh-native mut+alloc+free
37 28 8 17.8 osh-native mut+alloc+free+gc
37 29 8 18.0 osh-native mut+alloc+free+gc+exit
44 28 16 33.3 _bin/cxx-opt+nopool/osh mut+alloc
50 46 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
22 18 4 1.6 dash -
78 77 0 3.3 bash -
375 213 185 3.5 zsh -
50 49 0 84.3 bumpleak/osh mut
59 47 12 85.8 _bin/cxx-opt+bumproot/osh mut
70 47 23 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 78 19 73.5 osh-native mut+alloc
105 77 28 75.3 osh-native mut+alloc+free
156 140 16 50.0 osh-native mut+alloc+free+gc
157 144 12 50.3 osh-native mut+alloc+free+gc+exit
139 86 53 98.5 _bin/cxx-opt+nopool/osh mut+alloc
226 194 32 67.0 _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 8 0 3.1 zsh -
6 3 3 11.9 bumpleak/osh mut
6 6 0 10.7 _bin/cxx-opt+bumproot/osh mut
7 4 4 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 8 0 10.0 osh-native mut+alloc
9 6 3 10.0 osh-native mut+alloc+free
10 3 6 8.5 osh-native mut+alloc+free+gc
9 5 5 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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 28 0 3.0 bash -
24 16 8 3.3 zsh -
19 19 0 31.6 bumpleak/osh mut
26 26 0 32.2 _bin/cxx-opt+bumproot/osh mut
29 21 7 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
38 26 11 26.2 osh-native mut+alloc
39 26 13 26.5 osh-native mut+alloc+free
29 29 0 7.7 osh-native mut+alloc+free+gc
29 24 4 7.9 osh-native mut+alloc+free+gc+exit
55 39 16 35.8 _bin/cxx-opt+nopool/osh mut+alloc
38 38 0 9.5 _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
74 61 12 3.0 bash -
168 119 48 54.1 bumpleak/osh mut
180 128 52 55.3 _bin/cxx-opt+bumproot/osh mut
191 118 73 55.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 166 44 47.0 osh-native mut+alloc
218 146 71 48.7 osh-native mut+alloc+free
182 117 65 8.9 osh-native mut+alloc+free+gc
181 136 44 8.8 osh-native mut+alloc+free+gc+exit
233 152 80 63.2 _bin/cxx-opt+nopool/osh mut+alloc
218 165 52 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 3.5 dash -
19 15 5 4.3 bash -
17 12 6 3.5 zsh -
19 15 5 12.2 bumpleak/osh mut
19 12 8 11.9 _bin/cxx-opt+bumproot/osh mut
21 12 10 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 15 7 10.9 osh-native mut+alloc
22 20 3 11.1 osh-native mut+alloc+free
23 14 10 8.8 osh-native mut+alloc+free+gc
23 11 13 9.0 osh-native mut+alloc+free+gc+exit
25 16 9 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 21 5 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc