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 18.0 476,680 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 170 25 81 46.1 51.4 1,653,268 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 1 2.6 8.5 101,871 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 1 2.6 8.0 584,136 31,810 12 50,000 0 2,820 osh-native
ex.bashcomp-parse-help 179 0 3 10.6 8.7 995,213 27,376 21 50,000 0 3,815 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,280 478 3 85,322 1 42,661 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 19 4 3.1 bash -
105 56 56 3.3 zsh -
16 8 8 28.7 bumpleak/osh mut
20 16 4 29.1 _bin/cxx-opt+bumproot/osh mut
23 11 11 28.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 19 11 25.2 osh-native mut+alloc
31 23 8 25.6 osh-native mut+alloc+free
36 35 0 18.0 osh-native mut+alloc+free+gc
39 35 4 17.8 osh-native mut+alloc+free+gc+exit
43 43 0 32.1 _bin/cxx-opt+nopool/osh mut+alloc
52 48 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 21 0 1.6 dash -
78 77 0 3.1 bash -
380 230 172 3.5 zsh -
51 35 16 84.2 bumpleak/osh mut
60 44 16 84.5 _bin/cxx-opt+bumproot/osh mut
72 63 8 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 65 32 73.4 osh-native mut+alloc
106 77 28 75.3 osh-native mut+alloc+free
170 129 40 51.4 osh-native mut+alloc+free+gc
163 127 36 52.1 osh-native mut+alloc+free+gc+exit
141 105 36 97.5 _bin/cxx-opt+nopool/osh mut+alloc
229 209 20 71.9 _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 2.9 bash -
8 8 0 3.4 zsh -
6 6 0 12.1 bumpleak/osh mut
6 3 3 12.0 _bin/cxx-opt+bumproot/osh mut
7 3 3 11.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 10.0 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 3 6 8.8 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 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 1.6 dash -
28 28 0 3.0 bash -
24 19 5 3.3 zsh -
18 18 0 30.7 bumpleak/osh mut
27 26 0 31.9 _bin/cxx-opt+bumproot/osh mut
28 28 0 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 18 18 26.3 osh-native mut+alloc
38 26 11 26.7 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 28 0 7.7 osh-native mut+alloc+free+gc+exit
53 41 12 36.5 _bin/cxx-opt+nopool/osh mut+alloc
36 36 0 9.2 _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 64 8 3.1 bash -
169 108 60 54.6 bumpleak/osh mut
181 128 52 55.4 _bin/cxx-opt+bumproot/osh mut
194 142 53 56.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 133 76 47.0 osh-native mut+alloc
219 139 79 48.9 osh-native mut+alloc+free
179 127 52 8.7 osh-native mut+alloc+free+gc
181 146 35 8.7 osh-native mut+alloc+free+gc+exit
236 156 80 62.6 _bin/cxx-opt+nopool/osh mut+alloc
208 140 68 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 7 3 3.5 dash -
20 16 5 4.5 bash -
18 10 8 3.5 zsh -
20 11 9 12.3 bumpleak/osh mut
21 12 9 13.3 _bin/cxx-opt+bumproot/osh mut
22 19 3 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 19 3 10.7 osh-native mut+alloc
23 11 12 11.0 osh-native mut+alloc+free
23 13 10 8.9 osh-native mut+alloc+free+gc
23 16 8 9.0 osh-native mut+alloc+free+gc+exit
25 14 12 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 19 7 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc