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 35 3 9 12.0 18.0 476,691 1,282 6 408,764 5 204,382 osh-native
parse.configure-coreutils 146 23 60 46.1 51.7 1,653,279 4,764 12 1,069,130 6 798,646 osh-native
parse.abuild 9 1 1 2.6 8.5 101,882 180 2 75,106 1 37,553 osh-native
ex.compute-fib 28 0 1 2.6 8.0 584,147 31,810 12 50,000 0 2,829 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.5 995,224 27,376 21 50,000 0 3,825 osh-native
ex.abuild-print-help 22 1 2 2.8 9.0 116,291 478 3 85,342 1 42,671 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.4 dash -
24 24 0 3.0 bash -
103 59 50 3.4 zsh -
16 12 4 29.6 bumpleak/osh mut
19 19 0 29.4 _bin/cxx-opt+bumproot/osh mut
22 22 0 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 24.9 osh-native mut+alloc
31 26 4 25.6 osh-native mut+alloc+free
35 22 13 18.0 osh-native mut+alloc+free+gc
36 28 8 18.0 osh-native mut+alloc+free+gc+exit
43 26 17 33.2 _bin/cxx-opt+nopool/osh mut+alloc
47 35 12 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
22 21 0 1.4 dash -
77 77 0 3.3 bash -
374 226 169 3.5 zsh -
48 36 12 85.7 bumpleak/osh mut
60 48 12 86.1 _bin/cxx-opt+bumproot/osh mut
71 35 35 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 68 28 73.3 osh-native mut+alloc
104 76 28 75.3 osh-native mut+alloc+free
146 126 20 51.7 osh-native mut+alloc+free+gc
152 140 12 50.6 osh-native mut+alloc+free+gc+exit
139 103 36 98.2 _bin/cxx-opt+nopool/osh mut+alloc
206 158 47 73.6 _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 3.0 bash -
8 0 7 3.3 zsh -
6 6 0 11.9 bumpleak/osh mut
7 7 0 11.7 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
8 3 6 10.0 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 9 0 8.8 osh-native mut+alloc+free+gc+exit
11 11 0 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 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
10 7 3 1.4 dash -
29 29 0 3.0 bash -
24 16 8 3.4 zsh -
18 14 4 30.9 bumpleak/osh mut
25 18 7 32.3 _bin/cxx-opt+bumproot/osh mut
28 28 0 31.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.5 osh-native mut+alloc
37 29 8 26.6 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 23 4 8.0 osh-native mut+alloc+free+gc+exit
53 49 4 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 9.5 _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
72 64 8 3.3 bash -
167 79 87 55.1 bumpleak/osh mut
177 137 40 55.8 _bin/cxx-opt+bumproot/osh mut
193 141 52 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 133 77 47.1 osh-native mut+alloc
215 131 84 48.9 osh-native mut+alloc+free
181 120 60 8.5 osh-native mut+alloc+free+gc
180 132 48 8.7 osh-native mut+alloc+free+gc+exit
231 155 76 63.8 _bin/cxx-opt+nopool/osh mut+alloc
209 150 59 9.9 _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 3.5 dash -
19 12 8 4.5 bash -
18 11 7 3.4 zsh -
18 12 7 11.5 bumpleak/osh mut
19 13 7 13.7 _bin/cxx-opt+bumproot/osh mut
22 13 9 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 16 6 11.0 osh-native mut+alloc
22 7 16 11.1 osh-native mut+alloc+free
22 13 10 9.0 osh-native mut+alloc+free+gc
23 15 9 8.9 osh-native mut+alloc+free+gc+exit
24 14 11 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 19 7 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc