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 3 9 12.0 18.0 476,636 1,282 6 408,686 5 204,343 osh-native
parse.configure-coreutils 156 26 67 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 8.4 101,827 180 2 75,028 1 37,514 osh-native
ex.compute-fib 29 0 2 3.1 7.7 584,088 31,810 12 50,000 0 2,788 osh-native
ex.bashcomp-parse-help 185 0 3 12.3 8.7 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
7 7 0 1.6 dash -
23 19 4 3.0 bash -
105 65 47 3.5 zsh -
17 12 4 27.8 bumpleak/osh mut
22 21 0 28.3 _bin/cxx-opt+bumproot/osh mut
23 11 11 28.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 9 25.0 osh-native mut+alloc
32 16 16 25.6 osh-native mut+alloc+free
36 28 8 18.0 osh-native mut+alloc+free+gc
37 36 0 17.8 osh-native mut+alloc+free+gc+exit
43 27 16 31.8 _bin/cxx-opt+nopool/osh mut+alloc
48 40 8 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 -
77 73 4 3.1 bash -
378 191 208 3.5 zsh -
51 50 0 84.8 bumpleak/osh mut
65 50 15 85.7 _bin/cxx-opt+bumproot/osh mut
72 52 20 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 65 33 73.4 osh-native mut+alloc
107 83 24 75.1 osh-native mut+alloc+free
156 136 20 51.3 osh-native mut+alloc+free+gc
165 137 27 52.1 osh-native mut+alloc+free+gc+exit
140 84 56 99.3 _bin/cxx-opt+nopool/osh mut+alloc
220 180 40 74.4 _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 0 2 1.3 dash -
6 6 0 2.9 bash -
8 4 4 3.3 zsh -
6 6 0 11.3 bumpleak/osh mut
7 7 0 12.3 _bin/cxx-opt+bumproot/osh mut
7 0 7 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 8 0 9.8 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 5 5 8.4 osh-native mut+alloc+free+gc
9 3 6 8.5 osh-native mut+alloc+free+gc+exit
12 12 0 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.4 _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 25 4 2.9 bash -
24 24 0 3.3 zsh -
20 20 0 31.6 bumpleak/osh mut
26 21 4 33.2 _bin/cxx-opt+bumproot/osh mut
30 25 4 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 7 30 26.6 osh-native mut+alloc
40 24 16 27.0 osh-native mut+alloc+free
29 29 0 7.7 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
55 43 12 36.1 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 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 73 0 3.1 bash -
169 120 48 56.1 bumpleak/osh mut
179 131 48 56.9 _bin/cxx-opt+bumproot/osh mut
198 135 63 58.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
215 143 71 48.9 osh-native mut+alloc
222 137 85 50.7 osh-native mut+alloc+free
185 124 60 8.7 osh-native mut+alloc+free+gc
184 128 56 8.7 osh-native mut+alloc+free+gc+exit
236 160 76 65.6 _bin/cxx-opt+nopool/osh mut+alloc
212 160 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 8 2 3.5 dash -
20 6 14 4.5 bash -
18 14 5 3.4 zsh -
18 14 5 11.5 bumpleak/osh mut
20 15 5 13.8 _bin/cxx-opt+bumproot/osh mut
21 15 6 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 12 10 10.9 osh-native mut+alloc
23 14 10 10.7 osh-native mut+alloc+free
22 17 6 8.8 osh-native mut+alloc+free+gc
23 11 13 8.8 osh-native mut+alloc+free+gc+exit
25 18 8 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 15 11 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc