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 10 12.0 17.7 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 155 25 65 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 2 2.4 7.9 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 181 0 3 10.3 8.8 995,244 12,911 21 50,000 0 3,834 osh-native
ex.abuild-print-help 22 1 2 2.8 9.0 116,311 270 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
6 3 3 1.6 dash -
23 23 0 3.0 bash -
106 73 39 3.4 zsh -
16 16 0 29.3 bumpleak/osh mut
21 10 10 30.2 _bin/cxx-opt+bumproot/osh mut
22 22 0 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 11 18 25.3 osh-native mut+alloc
32 16 16 25.6 osh-native mut+alloc+free
36 36 0 17.7 osh-native mut+alloc+free+gc
37 29 8 18.0 osh-native mut+alloc+free+gc+exit
44 20 24 32.0 _bin/cxx-opt+nopool/osh mut+alloc
49 34 15 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 -
78 78 0 3.3 bash -
374 219 177 3.8 zsh -
48 44 4 84.5 bumpleak/osh mut
60 52 8 85.3 _bin/cxx-opt+bumproot/osh mut
70 54 16 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 55 43 73.4 osh-native mut+alloc
107 70 37 75.3 osh-native mut+alloc+free
155 139 16 49.9 osh-native mut+alloc+free+gc
156 125 31 50.6 osh-native mut+alloc+free+gc+exit
141 76 64 97.4 _bin/cxx-opt+nopool/osh mut+alloc
219 183 36 67.5 _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 4 4 3.3 zsh -
6 3 3 10.9 bumpleak/osh mut
6 7 0 10.7 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.1 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 6 3 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 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
11 11 0 1.6 dash -
28 28 0 2.9 bash -
24 12 12 3.3 zsh -
19 16 4 32.5 bumpleak/osh mut
26 21 4 31.3 _bin/cxx-opt+bumproot/osh mut
29 20 8 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 18 18 26.2 osh-native mut+alloc
38 27 11 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
29 20 8 7.7 osh-native mut+alloc+free+gc+exit
54 37 17 36.0 _bin/cxx-opt+nopool/osh mut+alloc
38 30 7 9.3 _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 65 8 3.1 bash -
168 104 64 55.5 bumpleak/osh mut
179 127 52 54.4 _bin/cxx-opt+bumproot/osh mut
193 130 63 55.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 122 87 47.0 osh-native mut+alloc
220 124 96 48.6 osh-native mut+alloc+free
181 120 60 8.8 osh-native mut+alloc+free+gc
180 136 44 8.7 osh-native mut+alloc+free+gc+exit
232 140 92 62.6 _bin/cxx-opt+nopool/osh mut+alloc
210 146 63 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 8 2 3.4 dash -
20 12 8 4.3 bash -
18 15 4 3.5 zsh -
20 8 12 12.1 bumpleak/osh mut
21 14 8 13.2 _bin/cxx-opt+bumproot/osh mut
21 13 9 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 19 3 10.9 osh-native mut+alloc
23 14 9 11.0 osh-native mut+alloc+free
22 22 0 9.0 osh-native mut+alloc+free+gc
23 12 12 9.0 osh-native mut+alloc+free+gc+exit
25 19 6 12.7 _bin/cxx-opt+nopool/osh mut+alloc
26 15 11 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc