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 32 3 9 12.0 17.6 476,689 1,282 6 408,626 5 204,313 osh-native
parse.configure-coreutils 146 21 68 41.0 45.5 1,653,277 4,764 12 1,591,678 7 795,839 osh-native
parse.abuild 9 1 2 2.4 7.9 101,880 180 3 87,194 1 43,597 osh-native
ex.compute-fib 23 0 2 2.6 7.5 584,145 31,810 12 50,000 0 2,764 osh-native
ex.bashcomp-parse-help 175 0 3 10.6 8.3 995,222 27,376 21 50,000 0 3,751 osh-native
ex.abuild-print-help 21 1 2 2.8 8.7 116,289 478 3 85,210 1 42,605 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 3.1 bash -
118 60 65 3.4 zsh -
16 16 0 29.3 bumpleak/osh mut
17 10 7 29.4 _bin/cxx-opt+bumproot/osh mut
20 19 0 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
27 26 0 24.8 osh-native mut+alloc
28 12 16 25.2 osh-native mut+alloc+free
32 24 8 17.6 osh-native mut+alloc+free+gc
33 16 16 17.7 osh-native mut+alloc+free+gc+exit
40 16 24 32.6 _bin/cxx-opt+nopool/osh mut+alloc
44 40 4 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 18 4 1.6 dash -
79 79 0 3.3 bash -
378 193 206 3.5 zsh -
47 39 8 84.6 bumpleak/osh mut
51 47 4 85.8 _bin/cxx-opt+bumproot/osh mut
61 53 8 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
88 44 44 73.1 osh-native mut+alloc
95 67 28 74.9 osh-native mut+alloc+free
146 122 24 45.5 osh-native mut+alloc+free+gc
146 130 16 45.6 osh-native mut+alloc+free+gc+exit
128 80 48 97.9 _bin/cxx-opt+nopool/osh mut+alloc
205 169 36 60.7 _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 2 0 1.4 dash -
6 6 0 2.8 bash -
8 4 4 3.3 zsh -
5 0 5 11.9 bumpleak/osh mut
6 6 0 11.4 _bin/cxx-opt+bumproot/osh mut
7 0 7 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.6 osh-native mut+alloc
8 0 8 9.7 osh-native mut+alloc+free
9 0 9 7.9 osh-native mut+alloc+free+gc
9 5 5 8.0 osh-native mut+alloc+free+gc+exit
11 7 4 10.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 8.8 _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 10 0 1.6 dash -
29 16 12 2.8 bash -
24 16 8 3.3 zsh -
19 15 4 31.9 bumpleak/osh mut
21 20 0 32.6 _bin/cxx-opt+bumproot/osh mut
23 18 4 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 26 4 26.0 osh-native mut+alloc
32 20 12 26.3 osh-native mut+alloc+free
23 22 0 7.5 osh-native mut+alloc+free+gc
23 19 4 7.6 osh-native mut+alloc+free+gc+exit
48 32 16 35.6 _bin/cxx-opt+nopool/osh mut+alloc
32 27 4 9.1 _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 52 20 3.0 bash -
169 102 67 54.8 bumpleak/osh mut
173 114 59 55.3 _bin/cxx-opt+bumproot/osh mut
189 126 63 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
203 115 88 46.7 osh-native mut+alloc
209 133 76 48.5 osh-native mut+alloc+free
175 127 48 8.3 osh-native mut+alloc+free+gc
174 115 59 8.3 osh-native mut+alloc+free+gc+exit
226 142 83 63.9 _bin/cxx-opt+nopool/osh mut+alloc
201 109 92 9.8 _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
9 8 2 3.4 dash -
20 13 7 4.5 bash -
18 12 6 3.5 zsh -
20 8 12 12.1 bumpleak/osh mut
20 16 4 12.9 _bin/cxx-opt+bumproot/osh mut
19 11 8 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 11 10 10.5 osh-native mut+alloc
22 13 9 10.7 osh-native mut+alloc+free
21 17 5 8.7 osh-native mut+alloc+free+gc
22 13 10 8.5 osh-native mut+alloc+free+gc+exit
24 17 7 12.4 _bin/cxx-opt+nopool/osh mut+alloc
24 15 10 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc