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 38 5 12 12.0 17.8 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 155 24 68 46.1 51.4 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.5 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 2 2.4 8.0 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 181 0 4 10.3 8.8 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 23 1 2 2.8 8.8 116,289 478 3 85,334 1 42,667 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 64 46 3.5 zsh -
17 10 7 29.0 bumpleak/osh mut
19 15 4 29.9 _bin/cxx-opt+bumproot/osh mut
22 18 4 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.0 osh-native mut+alloc
32 20 12 25.4 osh-native mut+alloc+free
38 23 15 17.8 osh-native mut+alloc+free+gc
39 27 12 18.0 osh-native mut+alloc+free+gc+exit
43 27 16 31.9 _bin/cxx-opt+nopool/osh mut+alloc
55 40 16 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 18 4 1.6 dash -
77 77 0 3.1 bash -
377 187 211 3.5 zsh -
50 41 8 85.2 bumpleak/osh mut
59 46 13 84.6 _bin/cxx-opt+bumproot/osh mut
71 63 8 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 55 43 73.4 osh-native mut+alloc
107 79 28 75.1 osh-native mut+alloc+free
155 134 20 51.4 osh-native mut+alloc+free+gc
169 132 36 52.2 osh-native mut+alloc+free+gc+exit
139 107 32 97.8 _bin/cxx-opt+nopool/osh mut+alloc
218 174 44 72.2 _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 -
6 6 0 10.7 bumpleak/osh mut
7 4 4 11.3 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.0 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 5 5 8.5 osh-native mut+alloc+free+gc
9 6 3 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 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
11 11 0 1.6 dash -
28 24 4 2.8 bash -
24 20 4 3.3 zsh -
19 15 4 30.9 bumpleak/osh mut
26 21 4 32.4 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.2 osh-native mut+alloc
38 34 4 26.6 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
54 33 21 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 33 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 68 4 3.3 bash -
168 108 60 53.9 bumpleak/osh mut
179 154 24 55.4 _bin/cxx-opt+bumproot/osh mut
193 132 60 56.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 129 81 46.9 osh-native mut+alloc
216 149 67 48.6 osh-native mut+alloc+free
181 102 79 8.8 osh-native mut+alloc+free+gc
182 131 51 8.7 osh-native mut+alloc+free+gc+exit
231 155 76 62.4 _bin/cxx-opt+nopool/osh mut+alloc
207 139 68 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 5 5 3.4 dash -
20 15 5 4.5 bash -
18 10 8 3.4 zsh -
19 12 8 12.1 bumpleak/osh mut
21 21 1 13.0 _bin/cxx-opt+bumproot/osh mut
22 19 3 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 17 5 10.9 osh-native mut+alloc
23 16 8 10.9 osh-native mut+alloc+free
23 15 9 8.8 osh-native mut+alloc+free+gc
23 12 12 9.0 osh-native mut+alloc+free+gc+exit
25 17 8 12.4 _bin/cxx-opt+nopool/osh mut+alloc
26 12 14 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc