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 3 10 12.0 17.8 476,720 1,282 6 408,808 5 204,404 osh-native
parse.configure-coreutils 162 27 74 44.6 49.8 1,653,308 4,764 12 1,030,692 6 769,430 osh-native
parse.abuild 9 1 1 2.6 8.5 101,911 180 2 75,150 1 37,575 osh-native
ex.compute-fib 29 0 2 2.4 8.0 584,176 31,810 12 50,000 0 2,851 osh-native
ex.bashcomp-parse-help 182 0 4 10.3 8.8 995,253 27,376 21 50,000 0 3,839 osh-native
ex.abuild-print-help 23 1 2 2.8 9.0 116,320 478 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
6 6 0 1.6 dash -
24 20 4 3.0 bash -
108 57 58 3.4 zsh -
16 10 7 29.6 bumpleak/osh mut
21 12 8 29.7 _bin/cxx-opt+bumproot/osh mut
23 23 0 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 22 9 25.2 osh-native mut+alloc
32 28 4 25.6 osh-native mut+alloc+free
36 24 12 17.8 osh-native mut+alloc+free+gc
37 36 0 18.0 osh-native mut+alloc+free+gc+exit
43 35 8 31.9 _bin/cxx-opt+nopool/osh mut+alloc
55 43 12 22.0 _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 73 4 3.3 bash -
392 203 210 3.5 zsh -
49 38 11 84.2 bumpleak/osh mut
60 44 16 84.6 _bin/cxx-opt+bumproot/osh mut
71 63 8 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 70 29 73.4 osh-native mut+alloc
108 80 28 75.3 osh-native mut+alloc+free
162 138 24 49.8 osh-native mut+alloc+free+gc
171 159 12 50.6 osh-native mut+alloc+free+gc+exit
139 86 53 99.6 _bin/cxx-opt+nopool/osh mut+alloc
235 203 32 66.7 _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 1.4 dash -
6 6 0 3.0 bash -
8 8 0 3.3 zsh -
6 6 0 12.1 bumpleak/osh mut
7 7 0 12.0 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 9.8 osh-native mut+alloc
9 6 3 10.1 osh-native mut+alloc+free
9 6 3 8.5 osh-native mut+alloc+free+gc
10 10 0 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 9.6 _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 7 3 1.4 dash -
29 25 4 2.9 bash -
24 16 8 3.3 zsh -
19 19 0 30.8 bumpleak/osh mut
26 17 9 31.4 _bin/cxx-opt+bumproot/osh mut
29 29 0 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 25 12 26.2 osh-native mut+alloc
39 35 4 26.5 osh-native mut+alloc+free
29 24 4 8.0 osh-native mut+alloc+free+gc
29 29 0 7.9 osh-native mut+alloc+free+gc+exit
54 42 12 35.9 _bin/cxx-opt+nopool/osh mut+alloc
38 33 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
73 61 12 3.1 bash -
169 102 67 55.8 bumpleak/osh mut
180 120 60 55.1 _bin/cxx-opt+bumproot/osh mut
193 121 72 55.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 142 69 47.0 osh-native mut+alloc
223 155 68 48.7 osh-native mut+alloc+free
182 154 28 8.8 osh-native mut+alloc+free+gc
181 126 55 8.8 osh-native mut+alloc+free+gc+exit
234 145 88 63.8 _bin/cxx-opt+nopool/osh mut+alloc
210 127 83 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 5 6 3.5 dash -
21 12 9 4.5 bash -
18 10 9 3.4 zsh -
18 10 9 11.2 bumpleak/osh mut
21 14 7 12.0 _bin/cxx-opt+bumproot/osh mut
21 13 9 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 20 2 10.9 osh-native mut+alloc
23 16 7 10.9 osh-native mut+alloc+free
23 16 7 9.0 osh-native mut+alloc+free+gc
23 12 11 9.0 osh-native mut+alloc+free+gc+exit
26 7 19 12.6 _bin/cxx-opt+nopool/osh mut+alloc
27 17 10 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc