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 17.8 476,691 1,282 6 408,764 5 204,382 osh-native
parse.configure-coreutils 149 24 61 46.1 51.3 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 29 0 1 2.6 8.0 584,147 31,810 12 50,000 0 2,829 osh-native
ex.bashcomp-parse-help 180 0 3 10.6 8.8 995,224 27,376 21 50,000 0 3,825 osh-native
ex.abuild-print-help 23 1 2 2.8 8.7 116,291 478 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 1.6 dash -
23 23 0 3.1 bash -
104 59 51 3.4 zsh -
17 17 0 28.4 bumpleak/osh mut
20 16 4 28.3 _bin/cxx-opt+bumproot/osh mut
22 14 7 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.2 osh-native mut+alloc
32 20 12 25.4 osh-native mut+alloc+free
37 22 15 17.8 osh-native mut+alloc+free+gc
36 24 12 18.0 osh-native mut+alloc+free+gc+exit
43 31 12 31.8 _bin/cxx-opt+nopool/osh mut+alloc
48 36 12 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
22 21 0 1.4 dash -
78 77 0 3.1 bash -
381 226 176 3.5 zsh -
48 44 4 84.8 bumpleak/osh mut
59 55 4 85.3 _bin/cxx-opt+bumproot/osh mut
72 67 4 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 61 37 73.3 osh-native mut+alloc
106 86 20 75.3 osh-native mut+alloc+free
149 129 20 51.3 osh-native mut+alloc+free+gc
151 123 28 50.4 osh-native mut+alloc+free+gc+exit
139 95 44 97.9 _bin/cxx-opt+nopool/osh mut+alloc
214 178 36 74.1 _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 3 3 2.9 bash -
8 8 0 3.3 zsh -
6 0 6 11.8 bumpleak/osh mut
6 6 0 11.0 _bin/cxx-opt+bumproot/osh mut
7 3 3 10.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 6 10.1 osh-native mut+alloc
8 8 0 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 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 -
28 28 0 2.8 bash -
23 15 8 3.1 zsh -
19 15 4 32.6 bumpleak/osh mut
25 21 4 32.0 _bin/cxx-opt+bumproot/osh mut
28 23 4 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.5 osh-native mut+alloc
38 33 4 26.7 osh-native mut+alloc+free
29 21 7 8.0 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 37 16 36.3 _bin/cxx-opt+nopool/osh mut+alloc
39 39 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 68 4 3.0 bash -
168 112 56 55.6 bumpleak/osh mut
177 109 69 56.3 _bin/cxx-opt+bumproot/osh mut
194 121 73 56.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 125 85 47.1 osh-native mut+alloc
215 163 52 48.9 osh-native mut+alloc+free
180 139 40 8.8 osh-native mut+alloc+free+gc
181 140 40 8.7 osh-native mut+alloc+free+gc+exit
229 133 96 63.2 _bin/cxx-opt+nopool/osh mut+alloc
206 162 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 1 3.5 dash -
20 18 3 4.5 bash -
18 11 8 3.5 zsh -
18 10 8 12.9 bumpleak/osh mut
20 19 2 12.5 _bin/cxx-opt+bumproot/osh mut
22 15 8 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 11 11 11.0 osh-native mut+alloc
23 11 12 10.9 osh-native mut+alloc+free
23 11 12 8.7 osh-native mut+alloc+free+gc
23 14 10 8.9 osh-native mut+alloc+free+gc+exit
25 13 12 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 16 10 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc