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 36 4 10 12.0 17.8 476,694 1,282 6 408,764 5 204,382 osh-native
parse.configure-coreutils 159 26 71 46.1 51.6 1,653,282 4,764 12 1,069,130 6 798,646 osh-native
parse.abuild 9 1 1 2.6 8.3 101,885 180 2 75,106 1 37,553 osh-native
ex.compute-fib 28 0 2 2.4 7.9 584,150 31,810 12 50,000 0 2,829 osh-native
ex.bashcomp-parse-help 181 0 4 10.3 8.5 995,227 27,376 21 50,000 0 3,825 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,294 478 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 3.0 bash -
105 57 54 3.4 zsh -
17 10 7 28.0 bumpleak/osh mut
20 12 8 29.7 _bin/cxx-opt+bumproot/osh mut
23 15 7 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 25.0 osh-native mut+alloc
31 13 18 25.6 osh-native mut+alloc+free
36 28 8 17.8 osh-native mut+alloc+free+gc
37 33 4 18.1 osh-native mut+alloc+free+gc+exit
43 16 27 32.2 _bin/cxx-opt+nopool/osh mut+alloc
48 44 4 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 21 0 1.6 dash -
79 79 0 3.1 bash -
379 201 198 3.5 zsh -
49 32 16 85.1 bumpleak/osh mut
60 40 20 85.5 _bin/cxx-opt+bumproot/osh mut
71 55 16 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 74 23 73.4 osh-native mut+alloc
109 84 24 75.1 osh-native mut+alloc+free
159 127 32 51.6 osh-native mut+alloc+free+gc
156 128 28 50.4 osh-native mut+alloc+free+gc+exit
139 103 36 97.8 _bin/cxx-opt+nopool/osh mut+alloc
224 184 40 73.2 _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 3.0 bash -
8 8 0 3.1 zsh -
6 3 3 11.1 bumpleak/osh mut
6 3 3 12.4 _bin/cxx-opt+bumproot/osh mut
7 3 3 10.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 4 4 8.3 osh-native mut+alloc+free+gc
9 6 3 8.7 osh-native mut+alloc+free+gc+exit
12 11 0 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 7 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
10 10 0 1.4 dash -
29 29 0 2.9 bash -
24 20 4 3.4 zsh -
18 14 5 30.8 bumpleak/osh mut
26 21 4 31.9 _bin/cxx-opt+bumproot/osh mut
28 28 0 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 25 11 26.2 osh-native mut+alloc
38 30 8 26.5 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
65 56 8 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 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 72 0 3.1 bash -
169 108 60 54.3 bumpleak/osh mut
178 138 41 55.3 _bin/cxx-opt+bumproot/osh mut
191 115 75 55.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 121 89 46.9 osh-native mut+alloc
216 120 96 48.7 osh-native mut+alloc+free
181 120 60 8.5 osh-native mut+alloc+free+gc
181 112 68 8.8 osh-native mut+alloc+free+gc+exit
230 153 77 62.9 _bin/cxx-opt+nopool/osh mut+alloc
210 149 60 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 -
19 18 2 4.5 bash -
18 11 8 3.4 zsh -
18 16 3 11.5 bumpleak/osh mut
21 11 10 13.1 _bin/cxx-opt+bumproot/osh mut
20 14 7 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 18 3 11.0 osh-native mut+alloc
22 14 8 11.1 osh-native mut+alloc+free
22 15 7 8.9 osh-native mut+alloc+free+gc
23 14 9 8.8 osh-native mut+alloc+free+gc+exit
24 19 5 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 19 6 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc