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 17.8 476,698 1,282 6 408,770 5 204,385 osh-native
parse.configure-coreutils 147 23 60 44.6 49.9 1,653,286 4,764 12 1,030,654 6 769,411 osh-native
parse.abuild 9 1 1 2.6 8.5 101,889 180 2 75,112 1 37,556 osh-native
ex.compute-fib 28 0 1 2.4 8.0 584,154 31,810 12 50,000 0 2,832 osh-native
ex.bashcomp-parse-help 180 0 3 10.3 8.7 995,231 27,376 21 50,000 0 3,823 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,298 478 3 85,348 1 42,674 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.6 dash -
23 23 0 3.1 bash -
104 55 56 3.4 zsh -
16 4 12 29.1 bumpleak/osh mut
19 9 9 29.2 _bin/cxx-opt+bumproot/osh mut
22 11 11 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 22 7 25.2 osh-native mut+alloc
32 28 4 25.6 osh-native mut+alloc+free
35 27 8 17.8 osh-native mut+alloc+free+gc
36 36 0 18.0 osh-native mut+alloc+free+gc+exit
43 24 20 33.0 _bin/cxx-opt+nopool/osh mut+alloc
48 36 12 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 17 4 1.6 dash -
77 73 4 3.1 bash -
380 205 196 3.4 zsh -
48 40 8 84.3 bumpleak/osh mut
60 55 4 84.9 _bin/cxx-opt+bumproot/osh mut
71 59 12 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 68 28 73.4 osh-native mut+alloc
106 73 33 75.4 osh-native mut+alloc+free
147 126 20 49.9 osh-native mut+alloc+free+gc
151 119 32 50.6 osh-native mut+alloc+free+gc+exit
139 98 41 97.7 _bin/cxx-opt+nopool/osh mut+alloc
203 179 24 67.9 _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 3.0 bash -
8 4 4 3.3 zsh -
6 6 0 11.1 bumpleak/osh mut
6 6 0 10.7 _bin/cxx-opt+bumproot/osh mut
8 8 0 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
9 3 6 10.0 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 3 6 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 7 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 1.6 dash -
28 25 4 3.0 bash -
24 12 12 3.3 zsh -
20 16 4 32.1 bumpleak/osh mut
26 17 9 32.7 _bin/cxx-opt+bumproot/osh mut
29 20 8 31.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.3 osh-native mut+alloc
38 38 0 26.5 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
55 35 20 36.5 _bin/cxx-opt+nopool/osh mut+alloc
38 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 69 4 3.1 bash -
166 111 55 54.3 bumpleak/osh mut
181 112 68 56.3 _bin/cxx-opt+bumproot/osh mut
192 132 60 54.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 151 59 47.0 osh-native mut+alloc
216 156 60 48.7 osh-native mut+alloc+free
180 96 84 8.7 osh-native mut+alloc+free+gc
181 125 55 8.7 osh-native mut+alloc+free+gc+exit
232 152 80 63.9 _bin/cxx-opt+nopool/osh mut+alloc
210 150 59 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 13 8 4.3 bash -
18 11 7 3.5 zsh -
20 17 4 12.4 bumpleak/osh mut
20 15 5 12.8 _bin/cxx-opt+bumproot/osh mut
20 16 4 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 11 11 10.9 osh-native mut+alloc
22 19 3 11.0 osh-native mut+alloc+free
22 16 7 8.9 osh-native mut+alloc+free+gc
22 20 2 8.9 osh-native mut+alloc+free+gc+exit
25 15 10 12.4 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc