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 4 11 12.0 17.8 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 173 32 84 46.1 51.4 1,653,264 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 1 2.6 8.5 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 2 2.6 7.9 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 187 0 4 10.6 8.7 995,209 27,376 21 50,000 0 3,815 osh-native
ex.abuild-print-help 26 1 2 2.8 8.9 116,276 478 3 85,322 1 42,661 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 7 0 1.4 dash -
24 24 0 2.9 bash -
119 78 49 3.4 zsh -
17 17 0 29.7 bumpleak/osh mut
20 16 4 29.5 _bin/cxx-opt+bumproot/osh mut
23 19 4 28.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 23 8 25.2 osh-native mut+alloc
33 25 8 25.4 osh-native mut+alloc+free
39 35 4 17.8 osh-native mut+alloc+free+gc
37 33 4 17.7 osh-native mut+alloc+free+gc+exit
45 28 16 32.2 _bin/cxx-opt+nopool/osh mut+alloc
54 34 19 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 -
79 75 4 3.1 bash -
417 228 212 3.7 zsh -
51 35 15 84.7 bumpleak/osh mut
62 58 4 84.5 _bin/cxx-opt+bumproot/osh mut
72 60 12 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
100 79 20 73.4 osh-native mut+alloc
109 70 39 75.1 osh-native mut+alloc+free
173 145 28 51.4 osh-native mut+alloc+free+gc
182 150 32 52.3 osh-native mut+alloc+free+gc+exit
145 92 52 97.8 _bin/cxx-opt+nopool/osh mut+alloc
262 234 28 72.7 _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 0 2 1.4 dash -
7 6 0 2.9 bash -
8 4 4 3.3 zsh -
7 7 0 10.7 bumpleak/osh mut
7 4 4 11.1 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.8 osh-native mut+alloc
9 5 5 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
13 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 -
29 29 0 2.9 bash -
24 20 4 3.3 zsh -
19 19 0 31.0 bumpleak/osh mut
25 21 4 31.5 _bin/cxx-opt+bumproot/osh mut
29 25 4 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 29 8 26.2 osh-native mut+alloc
40 24 16 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
29 29 0 7.9 osh-native mut+alloc+free+gc+exit
56 36 20 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
77 77 0 3.1 bash -
173 126 47 54.7 bumpleak/osh mut
187 126 61 55.9 _bin/cxx-opt+bumproot/osh mut
199 151 48 56.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
215 142 73 47.0 osh-native mut+alloc
227 183 44 48.9 osh-native mut+alloc+free
187 123 63 8.7 osh-native mut+alloc+free+gc
187 127 60 8.7 osh-native mut+alloc+free+gc+exit
239 143 95 64.4 _bin/cxx-opt+nopool/osh mut+alloc
213 169 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
11 5 6 3.5 dash -
23 20 3 4.3 bash -
20 7 13 3.4 zsh -
23 12 12 12.3 bumpleak/osh mut
23 14 9 12.3 _bin/cxx-opt+bumproot/osh mut
22 11 11 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
24 19 5 10.7 osh-native mut+alloc
24 16 9 11.0 osh-native mut+alloc+free
26 12 14 8.9 osh-native mut+alloc+free+gc
26 16 10 8.9 osh-native mut+alloc+free+gc+exit
26 17 10 12.5 _bin/cxx-opt+nopool/osh mut+alloc
28 21 8 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc