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 38 5 11 12.0 18.0 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 174 29 84 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 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 182 0 4 10.3 8.8 995,244 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 1.6 dash -
23 19 4 3.0 bash -
104 61 49 3.4 zsh -
17 8 8 29.6 bumpleak/osh mut
19 16 4 29.9 _bin/cxx-opt+bumproot/osh mut
23 19 4 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 11 19 25.0 osh-native mut+alloc
32 20 12 25.7 osh-native mut+alloc+free
38 27 11 18.0 osh-native mut+alloc+free+gc
37 29 7 18.1 osh-native mut+alloc+free+gc+exit
43 30 13 31.9 _bin/cxx-opt+nopool/osh mut+alloc
52 40 12 22.1 _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 3.3 bash -
377 243 156 3.5 zsh -
49 37 11 85.3 bumpleak/osh mut
60 48 12 86.0 _bin/cxx-opt+bumproot/osh mut
71 67 4 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
100 56 44 73.3 osh-native mut+alloc
107 82 25 75.3 osh-native mut+alloc+free
174 162 12 50.0 osh-native mut+alloc+free+gc
167 158 8 50.7 osh-native mut+alloc+free+gc+exit
140 88 52 99.0 _bin/cxx-opt+nopool/osh mut+alloc
233 193 40 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 -
7 3 3 3.0 bash -
8 4 4 3.3 zsh -
6 6 0 11.8 bumpleak/osh mut
7 7 0 10.9 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 0 9 10.1 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 5 5 8.4 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 12 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 8 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 1.6 dash -
30 26 4 3.0 bash -
24 20 4 3.4 zsh -
19 19 0 31.2 bumpleak/osh mut
25 21 4 31.3 _bin/cxx-opt+bumproot/osh mut
28 24 4 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.2 osh-native mut+alloc
38 27 11 26.5 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 33 21 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 25 12 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 68 4 3.0 bash -
170 98 71 55.6 bumpleak/osh mut
181 126 55 55.6 _bin/cxx-opt+bumproot/osh mut
196 116 80 56.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 107 103 47.0 osh-native mut+alloc
218 162 55 48.7 osh-native mut+alloc+free
182 133 49 8.8 osh-native mut+alloc+free+gc
183 127 55 8.7 osh-native mut+alloc+free+gc+exit
235 141 93 64.1 _bin/cxx-opt+nopool/osh mut+alloc
210 133 76 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 7 3 3.4 dash -
20 16 4 4.3 bash -
18 16 2 3.5 zsh -
19 16 3 13.2 bumpleak/osh mut
19 13 6 13.7 _bin/cxx-opt+bumproot/osh mut
20 12 9 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 17 5 10.9 osh-native mut+alloc
22 12 10 11.0 osh-native mut+alloc+free
22 14 8 9.0 osh-native mut+alloc+free+gc
23 18 6 9.0 osh-native mut+alloc+free+gc+exit
25 17 8 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 19 7 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc