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 17.7 476,636 1,282 6 408,686 5 204,343 osh-native
parse.configure-coreutils 142 22 55 46.1 51.3 1,653,224 4,764 12 1,069,052 6 798,607 osh-native
parse.abuild 9 1 1 2.6 8.5 101,827 180 2 75,028 1 37,514 osh-native
ex.compute-fib 28 0 1 3.1 7.9 584,088 31,810 12 50,000 0 2,788 osh-native
ex.bashcomp-parse-help 183 0 3 12.3 8.8 1,001,962 27,376 21 50,000 0 3,776 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,032 478 3 85,262 1 42,631 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 3 3 1.6 dash -
23 23 0 3.0 bash -
103 60 50 3.5 zsh -
16 16 0 28.7 bumpleak/osh mut
20 16 4 28.9 _bin/cxx-opt+bumproot/osh mut
22 15 7 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 24.9 osh-native mut+alloc
31 19 12 25.6 osh-native mut+alloc+free
35 27 8 17.7 osh-native mut+alloc+free+gc
36 28 8 18.0 osh-native mut+alloc+free+gc+exit
43 23 19 32.9 _bin/cxx-opt+nopool/osh mut+alloc
46 42 4 21.9 _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 21 0 1.6 dash -
78 74 4 3.3 bash -
374 206 191 3.7 zsh -
50 41 8 83.8 bumpleak/osh mut
59 47 12 85.7 _bin/cxx-opt+bumproot/osh mut
70 58 12 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 83 16 73.3 osh-native mut+alloc
105 77 28 75.3 osh-native mut+alloc+free
142 130 12 51.3 osh-native mut+alloc+free+gc
147 115 32 52.3 osh-native mut+alloc+free+gc+exit
139 83 55 99.5 _bin/cxx-opt+nopool/osh mut+alloc
201 172 28 74.2 _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 -
8 4 4 2.9 bash -
8 8 0 3.3 zsh -
6 3 3 10.9 bumpleak/osh mut
6 6 0 12.5 _bin/cxx-opt+bumproot/osh mut
7 4 4 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 10.0 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 3 6 8.4 osh-native mut+alloc+free+gc+exit
12 12 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 6 6 9.3 _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 1.3 dash -
29 28 0 3.0 bash -
24 12 12 3.4 zsh -
19 15 4 31.9 bumpleak/osh mut
26 26 0 31.8 _bin/cxx-opt+bumproot/osh mut
29 29 0 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 36 0 26.7 osh-native mut+alloc
38 26 11 26.9 osh-native mut+alloc+free
28 20 8 7.9 osh-native mut+alloc+free+gc
28 20 8 7.9 osh-native mut+alloc+free+gc+exit
53 33 20 36.6 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 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 3.1 bash -
169 117 52 56.7 bumpleak/osh mut
178 145 32 57.0 _bin/cxx-opt+bumproot/osh mut
196 104 92 57.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 128 84 48.9 osh-native mut+alloc
218 131 87 50.7 osh-native mut+alloc+free
183 111 71 8.8 osh-native mut+alloc+free+gc
182 122 59 8.5 osh-native mut+alloc+free+gc+exit
233 162 71 64.2 _bin/cxx-opt+nopool/osh mut+alloc
209 156 52 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 5 4 3.5 dash -
20 17 3 4.5 bash -
18 10 8 3.5 zsh -
18 13 5 11.9 bumpleak/osh mut
19 10 9 12.1 _bin/cxx-opt+bumproot/osh mut
20 11 10 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 17 5 10.9 osh-native mut+alloc
22 17 6 11.0 osh-native mut+alloc+free
22 11 12 8.8 osh-native mut+alloc+free+gc
23 13 11 8.9 osh-native mut+alloc+free+gc+exit
25 12 13 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 19 6 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc