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 39 6 12 12.0 18.0 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 168 27 78 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 8.3 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 29 0 2 2.4 7.9 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 182 0 4 10.3 8.7 995,244 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,311 478 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 1.6 dash -
23 23 0 3.0 bash -
106 56 57 3.4 zsh -
16 12 4 29.1 bumpleak/osh mut
20 16 4 28.5 _bin/cxx-opt+bumproot/osh mut
22 11 11 29.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 11 19 25.2 osh-native mut+alloc
32 24 8 25.4 osh-native mut+alloc+free
39 35 4 18.0 osh-native mut+alloc+free+gc
41 36 4 18.0 osh-native mut+alloc+free+gc+exit
44 20 24 32.3 _bin/cxx-opt+nopool/osh mut+alloc
55 38 17 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
21 18 4 1.6 dash -
79 79 0 3.3 bash -
385 223 185 3.5 zsh -
48 40 8 85.4 bumpleak/osh mut
61 53 8 85.3 _bin/cxx-opt+bumproot/osh mut
71 62 8 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
100 64 36 73.4 osh-native mut+alloc
107 83 24 75.1 osh-native mut+alloc+free
168 135 32 50.0 osh-native mut+alloc+free+gc
171 139 32 50.7 osh-native mut+alloc+free+gc+exit
139 83 55 98.1 _bin/cxx-opt+nopool/osh mut+alloc
231 188 44 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 2 0 1.4 dash -
6 6 0 2.9 bash -
8 8 0 3.4 zsh -
6 6 0 10.4 bumpleak/osh mut
7 0 7 12.7 _bin/cxx-opt+bumproot/osh mut
7 4 4 10.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.1 osh-native mut+alloc
9 5 5 9.8 osh-native mut+alloc+free
9 9 0 8.3 osh-native mut+alloc+free+gc
10 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 6 6 11.3 _bin/cxx-opt+nopool/osh mut+alloc
13 6 6 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 -
29 25 4 2.9 bash -
24 16 8 3.3 zsh -
19 15 4 30.9 bumpleak/osh mut
25 21 4 31.3 _bin/cxx-opt+bumproot/osh mut
28 20 8 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 22 15 26.2 osh-native mut+alloc
39 30 9 26.6 osh-native mut+alloc+free
29 29 0 7.9 osh-native mut+alloc+free+gc
29 29 0 7.9 osh-native mut+alloc+free+gc+exit
54 41 12 35.9 _bin/cxx-opt+nopool/osh mut+alloc
38 34 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
73 69 4 3.1 bash -
171 107 64 55.5 bumpleak/osh mut
181 140 40 55.3 _bin/cxx-opt+bumproot/osh mut
193 112 80 55.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 124 88 47.0 osh-native mut+alloc
221 130 91 48.7 osh-native mut+alloc+free
182 141 40 8.7 osh-native mut+alloc+free+gc
181 141 40 8.8 osh-native mut+alloc+free+gc+exit
233 116 116 62.7 _bin/cxx-opt+nopool/osh mut+alloc
217 172 44 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 2 3.5 dash -
21 19 2 4.3 bash -
20 10 10 3.4 zsh -
19 10 9 11.2 bumpleak/osh mut
22 7 16 13.5 _bin/cxx-opt+bumproot/osh mut
20 12 9 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 12 11 11.0 osh-native mut+alloc
23 11 12 11.0 osh-native mut+alloc+free
23 22 2 8.9 osh-native mut+alloc+free+gc
24 18 7 8.8 osh-native mut+alloc+free+gc+exit
25 14 11 12.6 _bin/cxx-opt+nopool/osh mut+alloc
27 22 5 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc