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 12 12.0 18.0 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 169 26 81 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 8.5 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 2 2.4 7.9 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 185 0 4 10.3 8.7 995,244 12,911 21 50,000 0 3,834 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,311 270 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
7 3 3 1.6 dash -
24 23 0 3.0 bash -
106 49 64 3.4 zsh -
17 13 4 28.3 bumpleak/osh mut
20 19 0 30.2 _bin/cxx-opt+bumproot/osh mut
22 13 9 30.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 25.2 osh-native mut+alloc
32 20 12 25.6 osh-native mut+alloc+free
38 23 15 18.0 osh-native mut+alloc+free+gc
40 32 8 17.8 osh-native mut+alloc+free+gc+exit
43 27 16 32.6 _bin/cxx-opt+nopool/osh mut+alloc
50 41 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 1.4 dash -
78 78 0 3.0 bash -
384 199 206 3.5 zsh -
50 41 8 84.7 bumpleak/osh mut
60 56 4 86.3 _bin/cxx-opt+bumproot/osh mut
70 62 8 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 71 28 73.2 osh-native mut+alloc
106 73 33 75.3 osh-native mut+alloc+free
169 140 28 50.0 osh-native mut+alloc+free+gc
171 135 36 50.6 osh-native mut+alloc+free+gc+exit
141 117 24 99.4 _bin/cxx-opt+nopool/osh mut+alloc
229 181 48 67.3 _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 3 3 3.0 bash -
8 8 0 3.3 zsh -
6 6 0 11.8 bumpleak/osh mut
7 0 7 12.2 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.1 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 5 5 8.5 osh-native mut+alloc+free+gc
9 5 5 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.3 _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 7 3 1.4 dash -
29 29 0 3.0 bash -
25 20 4 3.3 zsh -
20 16 4 32.7 bumpleak/osh mut
27 19 8 33.1 _bin/cxx-opt+bumproot/osh mut
29 24 4 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 29 8 26.2 osh-native mut+alloc
39 19 19 26.5 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 20 8 8.0 osh-native mut+alloc+free+gc+exit
54 35 19 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
74 70 4 3.1 bash -
169 110 59 55.7 bumpleak/osh mut
181 136 44 54.7 _bin/cxx-opt+bumproot/osh mut
193 122 71 56.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 131 79 47.1 osh-native mut+alloc
216 128 88 48.8 osh-native mut+alloc+free
185 120 64 8.7 osh-native mut+alloc+free+gc
182 129 53 8.8 osh-native mut+alloc+free+gc+exit
231 131 99 63.8 _bin/cxx-opt+nopool/osh mut+alloc
209 164 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 -
20 18 3 4.3 bash -
19 14 6 3.4 zsh -
20 11 9 13.0 bumpleak/osh mut
19 12 8 12.1 _bin/cxx-opt+bumproot/osh mut
21 15 6 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 10 12 10.9 osh-native mut+alloc
22 13 10 11.1 osh-native mut+alloc+free
22 20 3 8.9 osh-native mut+alloc+free+gc
23 18 6 8.9 osh-native mut+alloc+free+gc+exit
25 24 2 12.7 _bin/cxx-opt+nopool/osh mut+alloc
26 20 6 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc