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 10 12.0 17.7 476,698 1,282 6 408,770 5 204,385 osh-native
parse.configure-coreutils 176 29 86 44.6 50.0 1,653,286 4,764 12 1,030,654 6 769,411 osh-native
parse.abuild 9 1 1 2.6 8.7 101,889 180 2 75,112 1 37,556 osh-native
ex.compute-fib 29 0 1 2.4 7.9 584,154 31,810 12 50,000 0 2,832 osh-native
ex.bashcomp-parse-help 181 0 4 10.3 8.8 995,231 27,376 21 50,000 0 3,823 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,298 478 3 85,348 1 42,674 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 6 0 1.6 dash -
24 19 4 2.9 bash -
108 64 51 3.3 zsh -
16 16 0 28.4 bumpleak/osh mut
20 20 0 30.2 _bin/cxx-opt+bumproot/osh mut
23 15 8 28.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 19 11 24.9 osh-native mut+alloc
33 29 4 25.6 osh-native mut+alloc+free
37 29 8 17.7 osh-native mut+alloc+free+gc
39 35 4 18.0 osh-native mut+alloc+free+gc+exit
44 36 8 32.0 _bin/cxx-opt+nopool/osh mut+alloc
54 50 4 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
22 21 0 1.6 dash -
79 79 0 3.0 bash -
383 232 173 3.4 zsh -
50 41 8 85.2 bumpleak/osh mut
60 44 16 85.5 _bin/cxx-opt+bumproot/osh mut
71 63 8 84.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 63 35 73.6 osh-native mut+alloc
107 67 40 75.1 osh-native mut+alloc+free
176 159 16 50.0 osh-native mut+alloc+free+gc
178 154 24 50.6 osh-native mut+alloc+free+gc+exit
143 102 41 98.4 _bin/cxx-opt+nopool/osh mut+alloc
265 232 32 66.6 _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 4 4 3.3 zsh -
7 7 0 11.6 bumpleak/osh mut
7 7 0 12.2 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 5 5 10.0 osh-native mut+alloc
9 3 6 10.0 osh-native mut+alloc+free
9 9 0 8.7 osh-native mut+alloc+free+gc
10 10 0 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.5 _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
11 11 0 1.6 dash -
29 29 0 3.0 bash -
24 20 4 3.3 zsh -
20 10 10 31.9 bumpleak/osh mut
26 22 4 31.5 _bin/cxx-opt+bumproot/osh mut
29 25 4 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 29 7 26.3 osh-native mut+alloc
39 23 15 26.5 osh-native mut+alloc+free
29 28 0 7.9 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
55 43 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 3.0 bash -
167 95 71 54.3 bumpleak/osh mut
181 112 68 54.4 _bin/cxx-opt+bumproot/osh mut
195 135 59 55.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 112 100 47.0 osh-native mut+alloc
218 127 91 48.6 osh-native mut+alloc+free
181 122 59 8.8 osh-native mut+alloc+free+gc
182 117 65 8.7 osh-native mut+alloc+free+gc+exit
236 156 80 64.2 _bin/cxx-opt+nopool/osh mut+alloc
211 155 56 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 3.5 dash -
21 16 5 4.3 bash -
18 11 8 3.5 zsh -
20 5 15 12.9 bumpleak/osh mut
22 13 9 13.5 _bin/cxx-opt+bumproot/osh mut
21 14 7 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 21 2 11.0 osh-native mut+alloc
23 21 3 11.1 osh-native mut+alloc+free
23 22 2 8.9 osh-native mut+alloc+free+gc
24 15 10 9.0 osh-native mut+alloc+free+gc+exit
25 19 7 12.6 _bin/cxx-opt+nopool/osh mut+alloc
26 24 2 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc