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 4 10 12.0 17.8 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 170 26 81 44.6 49.9 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 9 1 1 2.6 8.4 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 2 2.4 8.0 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 180 0 3 10.3 8.7 995,244 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 23 1 2 2.8 9.0 116,311 478 3 85,370 1 42,685 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 19 4 3.0 bash -
105 59 52 3.4 zsh -
16 12 4 29.2 bumpleak/osh mut
20 16 4 30.1 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 22 7 25.0 osh-native mut+alloc
33 16 16 25.6 osh-native mut+alloc+free
36 22 14 17.8 osh-native mut+alloc+free+gc
38 26 11 18.0 osh-native mut+alloc+free+gc+exit
44 24 20 32.0 _bin/cxx-opt+nopool/osh mut+alloc
52 48 4 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
22 21 0 1.4 dash -
77 77 0 3.1 bash -
385 216 190 3.7 zsh -
50 34 15 85.0 bumpleak/osh mut
59 47 13 85.7 _bin/cxx-opt+bumproot/osh mut
70 49 21 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 71 28 73.4 osh-native mut+alloc
106 57 49 75.3 osh-native mut+alloc+free
170 145 24 49.9 osh-native mut+alloc+free+gc
171 151 20 50.4 osh-native mut+alloc+free+gc+exit
140 84 56 97.7 _bin/cxx-opt+nopool/osh mut+alloc
241 225 16 67.5 _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 3 3 3.0 bash -
8 4 4 3.3 zsh -
6 3 3 11.6 bumpleak/osh mut
7 0 7 11.8 _bin/cxx-opt+bumproot/osh mut
7 4 4 10.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 0 9 10.0 osh-native mut+alloc
9 6 3 10.0 osh-native mut+alloc+free
9 5 5 8.4 osh-native mut+alloc+free+gc
9 5 5 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 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 1.6 dash -
29 28 0 2.9 bash -
24 23 0 3.4 zsh -
21 10 10 32.0 bumpleak/osh mut
25 21 4 31.5 _bin/cxx-opt+bumproot/osh mut
28 24 4 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 28 8 26.3 osh-native mut+alloc
39 39 0 26.5 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
29 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 37 16 35.7 _bin/cxx-opt+nopool/osh mut+alloc
38 29 8 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
74 70 4 3.1 bash -
168 132 36 53.9 bumpleak/osh mut
180 144 36 55.6 _bin/cxx-opt+bumproot/osh mut
194 137 57 55.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 135 76 47.0 osh-native mut+alloc
221 160 60 48.7 osh-native mut+alloc+free
180 140 40 8.7 osh-native mut+alloc+free+gc
182 129 53 8.8 osh-native mut+alloc+free+gc+exit
235 167 68 62.6 _bin/cxx-opt+nopool/osh mut+alloc
211 154 57 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 4 6 3.4 dash -
20 14 6 4.3 bash -
18 16 2 3.4 zsh -
18 10 8 11.2 bumpleak/osh mut
21 14 7 13.4 _bin/cxx-opt+bumproot/osh mut
20 15 5 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 16 6 11.0 osh-native mut+alloc
23 16 7 11.0 osh-native mut+alloc+free
23 13 9 9.0 osh-native mut+alloc+free+gc
23 11 12 9.0 osh-native mut+alloc+free+gc+exit
24 15 10 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 24 1 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc