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 26 2 6 12.0 17.9 476,721 1,282 6 408,808 5 204,404 osh-native
parse.configure-coreutils 138 34 68 44.6 49.7 1,653,309 4,764 12 1,030,692 6 769,430 osh-native
parse.abuild 7 0 1 2.6 8.6 101,912 180 2 75,150 1 37,575 osh-native
ex.compute-fib 21 0 1 2.4 8.0 584,177 22,608 12 50,000 0 2,852 osh-native
ex.bashcomp-parse-help 131 0 2 10.3 8.8 995,254 12,911 21 50,000 0 3,842 osh-native
ex.abuild-print-help 20 0 2 2.8 9.1 116,321 270 3 85,386 1 42,693 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
5 4 0 1.6 dash -
16 16 0 3.1 bash -
81 55 31 3.5 zsh -
12 12 0 27.9 bumpleak/osh mut
15 7 7 29.7 _bin/cxx-opt+bumproot/osh mut
17 9 9 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
23 11 11 25.2 osh-native mut+alloc
24 20 4 25.6 osh-native mut+alloc+free
26 19 7 17.9 osh-native mut+alloc+free+gc
27 27 0 18.0 osh-native mut+alloc+free+gc+exit
33 25 8 32.9 _bin/cxx-opt+nopool/osh mut+alloc
35 26 9 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
18 18 0 1.7 dash -
55 51 4 3.5 bash -
308 183 142 3.6 zsh -
55 23 31 83.9 bumpleak/osh mut
62 46 17 84.4 _bin/cxx-opt+bumproot/osh mut
66 31 35 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
75 55 20 73.5 osh-native mut+alloc
83 58 25 75.0 osh-native mut+alloc+free
138 109 29 49.7 osh-native mut+alloc+free+gc
124 113 12 50.7 osh-native mut+alloc+free+gc+exit
108 72 36 99.1 _bin/cxx-opt+nopool/osh mut+alloc
175 143 32 68.2 _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
1 0 1 1.6 dash -
4 0 4 3.1 bash -
5 0 5 3.5 zsh -
4 2 2 10.3 bumpleak/osh mut
5 0 5 11.8 _bin/cxx-opt+bumproot/osh mut
5 5 0 11.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
6 6 0 9.9 osh-native mut+alloc
6 0 6 10.1 osh-native mut+alloc+free
7 3 3 8.6 osh-native mut+alloc+free+gc
7 7 0 8.6 osh-native mut+alloc+free+gc+exit
9 4 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
8 4 4 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
7 7 0 1.7 dash -
21 21 0 3.0 bash -
17 17 0 3.5 zsh -
14 14 0 30.9 bumpleak/osh mut
20 16 4 32.6 _bin/cxx-opt+bumproot/osh mut
22 18 4 31.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 20 8 26.4 osh-native mut+alloc
29 21 8 26.6 osh-native mut+alloc+free
21 16 4 8.0 osh-native mut+alloc+free+gc
21 16 4 7.9 osh-native mut+alloc+free+gc+exit
41 24 16 35.8 _bin/cxx-opt+nopool/osh mut+alloc
27 23 4 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
52 48 4 3.2 bash -
122 73 49 53.7 bumpleak/osh mut
132 88 44 54.3 _bin/cxx-opt+bumproot/osh mut
138 81 57 54.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
154 109 45 46.9 osh-native mut+alloc
160 108 52 48.8 osh-native mut+alloc+free
131 107 24 8.8 osh-native mut+alloc+free+gc
127 91 36 8.8 osh-native mut+alloc+free+gc+exit
168 140 28 64.1 _bin/cxx-opt+nopool/osh mut+alloc
194 143 52 10.1 _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
9 8 1 3.6 dash -
18 9 10 4.5 bash -
15 14 1 3.6 zsh -
19 12 8 12.4 bumpleak/osh mut
18 10 8 13.6 _bin/cxx-opt+bumproot/osh mut
20 13 7 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 15 5 11.1 osh-native mut+alloc
21 19 2 11.2 osh-native mut+alloc+free
20 13 8 9.1 osh-native mut+alloc+free+gc
21 13 9 9.1 osh-native mut+alloc+free+gc+exit
22 8 14 12.5 _bin/cxx-opt+nopool/osh mut+alloc
23 18 5 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc