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 147 23 59 46.1 51.4 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 182 0 3 10.6 8.8 995,224 27,376 21 50,000 0 3,825 osh-native
ex.abuild-print-help 22 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 1.4 dash -
23 23 0 2.9 bash -
104 61 49 3.3 zsh -
16 12 4 29.0 bumpleak/osh mut
20 16 4 28.3 _bin/cxx-opt+bumproot/osh mut
23 23 0 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 29 0 25.2 osh-native mut+alloc
31 19 12 25.4 osh-native mut+alloc+free
35 23 12 18.0 osh-native mut+alloc+free+gc
35 31 4 18.0 osh-native mut+alloc+free+gc+exit
42 29 13 32.2 _bin/cxx-opt+nopool/osh mut+alloc
47 39 8 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 17 4 1.4 dash -
78 78 0 3.3 bash -
376 210 187 3.7 zsh -
48 36 12 83.9 bumpleak/osh mut
61 46 15 85.0 _bin/cxx-opt+bumproot/osh mut
85 69 15 84.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 66 31 73.3 osh-native mut+alloc
107 67 40 75.1 osh-native mut+alloc+free
147 127 20 51.4 osh-native mut+alloc+free+gc
149 121 28 50.4 osh-native mut+alloc+free+gc+exit
139 99 40 98.4 _bin/cxx-opt+nopool/osh mut+alloc
209 165 44 72.8 _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 -
5 5 0 2.9 bash -
8 7 0 3.1 zsh -
6 6 0 11.6 bumpleak/osh mut
6 6 0 10.8 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.7 osh-native mut+alloc
8 3 6 10.0 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
11 11 0 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 11 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 10 0 1.4 dash -
28 28 0 2.9 bash -
23 19 5 3.4 zsh -
18 14 4 31.1 bumpleak/osh mut
31 26 4 31.6 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 33 4 26.3 osh-native mut+alloc
38 23 15 26.5 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 35 19 36.4 _bin/cxx-opt+nopool/osh mut+alloc
37 29 7 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
73 61 11 3.0 bash -
167 105 61 55.7 bumpleak/osh mut
178 111 67 56.2 _bin/cxx-opt+bumproot/osh mut
193 129 64 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 152 60 46.9 osh-native mut+alloc
219 123 95 49.0 osh-native mut+alloc+free
182 142 39 8.8 osh-native mut+alloc+free+gc
182 131 52 8.7 osh-native mut+alloc+free+gc+exit
233 169 63 63.4 _bin/cxx-opt+nopool/osh mut+alloc
206 162 43 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 1 3.4 dash -
19 12 8 4.5 bash -
18 9 9 3.4 zsh -
18 16 3 11.4 bumpleak/osh mut
21 13 9 12.5 _bin/cxx-opt+bumproot/osh mut
20 15 6 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 21 0 10.9 osh-native mut+alloc
22 13 10 11.0 osh-native mut+alloc+free
22 10 12 8.7 osh-native mut+alloc+free+gc
23 18 5 8.8 osh-native mut+alloc+free+gc+exit
24 22 3 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 11 15 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc