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 17.8 476,636 1,282 6 408,686 5 204,343 osh-native
parse.configure-coreutils 156 25 67 46.1 51.5 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 183 0 4 12.3 8.5 1,001,962 27,376 21 50,000 0 3,776 osh-native
ex.abuild-print-help 23 1 2 2.8 9.0 116,032 478 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 6 0 1.4 dash -
23 19 4 2.9 bash -
105 67 44 3.4 zsh -
17 13 4 27.9 bumpleak/osh mut
20 15 4 29.1 _bin/cxx-opt+bumproot/osh mut
23 19 4 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 11 19 25.2 osh-native mut+alloc
32 16 16 25.6 osh-native mut+alloc+free
35 27 8 17.8 osh-native mut+alloc+free+gc
36 24 12 18.0 osh-native mut+alloc+free+gc+exit
44 24 20 33.1 _bin/cxx-opt+nopool/osh mut+alloc
48 32 16 22.2 _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 1.4 dash -
78 74 4 3.1 bash -
381 203 199 3.5 zsh -
49 38 11 85.5 bumpleak/osh mut
61 53 8 85.1 _bin/cxx-opt+bumproot/osh mut
71 55 16 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 73 24 73.3 osh-native mut+alloc
106 77 28 75.3 osh-native mut+alloc+free
156 139 16 51.5 osh-native mut+alloc+free+gc
163 143 20 52.1 osh-native mut+alloc+free+gc+exit
138 93 45 98.0 _bin/cxx-opt+nopool/osh mut+alloc
220 188 32 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 1.3 dash -
6 3 3 3.0 bash -
8 4 4 3.3 zsh -
7 3 3 11.5 bumpleak/osh mut
7 7 0 11.9 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 9.8 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 5 5 8.4 osh-native mut+alloc+free+gc
9 5 5 8.3 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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 1.4 dash -
28 25 4 3.0 bash -
24 12 12 3.3 zsh -
20 16 4 31.8 bumpleak/osh mut
26 26 0 31.7 _bin/cxx-opt+bumproot/osh mut
29 22 7 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 20 16 26.6 osh-native mut+alloc
39 19 19 27.0 osh-native mut+alloc+free
29 29 0 7.7 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
56 39 16 36.1 _bin/cxx-opt+nopool/osh mut+alloc
38 38 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
75 75 0 3.1 bash -
170 138 32 57.1 bumpleak/osh mut
179 131 48 57.0 _bin/cxx-opt+bumproot/osh mut
197 106 91 58.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 146 67 48.9 osh-native mut+alloc
219 166 53 50.6 osh-native mut+alloc+free
183 135 48 8.5 osh-native mut+alloc+free+gc
185 136 48 8.8 osh-native mut+alloc+free+gc+exit
236 169 67 64.5 _bin/cxx-opt+nopool/osh mut+alloc
213 157 56 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 -
20 12 8 4.3 bash -
18 12 6 3.5 zsh -
19 14 5 13.0 bumpleak/osh mut
22 12 10 12.6 _bin/cxx-opt+bumproot/osh mut
21 14 8 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 18 5 11.0 osh-native mut+alloc
23 11 13 10.9 osh-native mut+alloc+free
23 19 4 9.0 osh-native mut+alloc+free+gc
23 12 11 8.8 osh-native mut+alloc+free+gc+exit
25 16 10 12.7 _bin/cxx-opt+nopool/osh mut+alloc
26 18 8 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc