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 37 4 11 12.0 18.0 476,698 1,282 6 408,770 5 204,385 osh-native
parse.configure-coreutils 164 26 77 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 8.7 101,889 180 2 75,112 1 37,556 osh-native
ex.compute-fib 28 0 2 2.4 8.0 584,154 31,810 12 50,000 0 2,832 osh-native
ex.bashcomp-parse-help 180 0 4 10.3 8.8 995,231 27,376 21 50,000 0 3,823 osh-native
ex.abuild-print-help 23 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 1.4 dash -
23 23 0 3.1 bash -
106 58 54 3.4 zsh -
17 10 7 28.1 bumpleak/osh mut
19 12 8 29.3 _bin/cxx-opt+bumproot/osh mut
23 7 15 29.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.0 osh-native mut+alloc
32 16 16 25.6 osh-native mut+alloc+free
37 29 8 18.0 osh-native mut+alloc+free+gc
37 33 4 18.0 osh-native mut+alloc+free+gc+exit
47 42 4 32.2 _bin/cxx-opt+nopool/osh mut+alloc
54 46 8 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 -
107 107 0 3.3 bash -
377 215 183 3.5 zsh -
49 45 4 85.6 bumpleak/osh mut
61 53 8 86.4 _bin/cxx-opt+bumproot/osh mut
71 31 39 86.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 47 51 73.4 osh-native mut+alloc
105 73 32 75.4 osh-native mut+alloc+free
164 132 32 49.9 osh-native mut+alloc+free+gc
172 155 16 50.6 osh-native mut+alloc+free+gc+exit
142 93 49 98.6 _bin/cxx-opt+nopool/osh mut+alloc
221 181 39 67.2 _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
2 2 0 1.4 dash -
6 6 0 3.0 bash -
8 8 0 3.4 zsh -
6 0 6 10.5 bumpleak/osh mut
6 6 0 12.3 _bin/cxx-opt+bumproot/osh mut
7 7 0 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 5 5 8.7 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 12 0 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 1.4 dash -
29 29 0 2.8 bash -
23 19 4 3.4 zsh -
20 16 4 30.9 bumpleak/osh mut
27 23 4 32.8 _bin/cxx-opt+bumproot/osh mut
29 25 4 31.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 28 8 26.3 osh-native mut+alloc
42 29 12 26.6 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
30 26 4 7.9 osh-native mut+alloc+free+gc+exit
54 29 25 36.4 _bin/cxx-opt+nopool/osh mut+alloc
38 34 4 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 69 4 3.0 bash -
173 92 80 55.5 bumpleak/osh mut
182 129 52 54.7 _bin/cxx-opt+bumproot/osh mut
193 140 52 55.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 145 65 46.9 osh-native mut+alloc
219 135 83 48.6 osh-native mut+alloc+free
180 100 80 8.8 osh-native mut+alloc+free+gc
181 124 56 8.8 osh-native mut+alloc+free+gc+exit
232 176 56 62.7 _bin/cxx-opt+nopool/osh mut+alloc
209 140 68 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
10 9 1 3.5 dash -
20 13 8 4.3 bash -
18 17 1 3.4 zsh -
18 11 7 11.4 bumpleak/osh mut
20 14 6 11.8 _bin/cxx-opt+bumproot/osh mut
20 13 8 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 12 10 11.0 osh-native mut+alloc
23 15 8 11.1 osh-native mut+alloc+free
23 15 8 8.9 osh-native mut+alloc+free+gc
23 14 10 9.0 osh-native mut+alloc+free+gc+exit
25 15 11 12.6 _bin/cxx-opt+nopool/osh mut+alloc
32 24 9 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc