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 17.8 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 151 25 64 46.1 51.4 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 9 1 1 2.6 8.4 101,875 180 2 75,096 1 37,548 osh-native
ex.compute-fib 28 0 1 2.6 8.0 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 183 0 3 10.6 8.7 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,284 478 3 85,332 1 42,666 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 48 64 3.4 zsh -
16 12 4 28.0 bumpleak/osh mut
19 12 8 29.9 _bin/cxx-opt+bumproot/osh mut
22 15 7 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.0 osh-native mut+alloc
31 20 12 25.6 osh-native mut+alloc+free
35 27 8 17.8 osh-native mut+alloc+free+gc
36 32 4 18.0 osh-native mut+alloc+free+gc+exit
43 35 8 32.6 _bin/cxx-opt+nopool/osh mut+alloc
47 35 12 22.4 _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 -
77 77 0 3.1 bash -
391 214 200 3.5 zsh -
50 46 4 85.0 bumpleak/osh mut
61 48 12 84.9 _bin/cxx-opt+bumproot/osh mut
70 53 16 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 59 39 73.3 osh-native mut+alloc
107 71 35 75.2 osh-native mut+alloc+free
151 126 24 51.4 osh-native mut+alloc+free+gc
155 139 16 52.2 osh-native mut+alloc+free+gc+exit
139 95 44 98.2 _bin/cxx-opt+nopool/osh mut+alloc
213 169 44 72.8 _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 3.0 bash -
8 8 0 3.3 zsh -
6 0 6 10.4 bumpleak/osh mut
7 7 0 12.1 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.1 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 6 3 8.4 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
11 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 9.2 _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 28 0 3.0 bash -
24 20 4 3.3 zsh -
19 11 7 31.5 bumpleak/osh mut
26 18 7 32.6 _bin/cxx-opt+bumproot/osh mut
28 20 8 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.2 osh-native mut+alloc
38 34 4 26.6 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 24 4 7.7 osh-native mut+alloc+free+gc+exit
55 42 13 35.7 _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 65 8 3.1 bash -
166 117 49 54.1 bumpleak/osh mut
187 96 92 55.3 _bin/cxx-opt+bumproot/osh mut
194 133 61 55.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 116 96 47.1 osh-native mut+alloc
220 136 84 48.9 osh-native mut+alloc+free
183 107 75 8.7 osh-native mut+alloc+free+gc
182 129 52 8.8 osh-native mut+alloc+free+gc+exit
234 115 119 64.0 _bin/cxx-opt+nopool/osh mut+alloc
210 158 51 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 10 0 3.4 dash -
20 16 4 4.5 bash -
17 13 5 3.4 zsh -
20 18 2 12.1 bumpleak/osh mut
20 7 13 12.5 _bin/cxx-opt+bumproot/osh mut
20 12 9 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 7 15 10.9 osh-native mut+alloc
22 14 9 10.9 osh-native mut+alloc+free
22 16 7 8.9 osh-native mut+alloc+free+gc
23 15 8 8.9 osh-native mut+alloc+free+gc+exit
25 17 8 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 25 0 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc