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 9 12.0 17.7 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 162 27 74 44.6 50.0 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 1 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 8.8 995,244 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,311 478 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 68 44 3.4 zsh -
18 17 0 29.7 bumpleak/osh mut
19 19 0 30.2 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 15 15 25.2 osh-native mut+alloc
32 20 12 25.4 osh-native mut+alloc+free
36 31 4 17.7 osh-native mut+alloc+free+gc
36 32 4 18.0 osh-native mut+alloc+free+gc+exit
43 35 8 33.1 _bin/cxx-opt+nopool/osh mut+alloc
50 49 0 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 -
77 77 0 3.1 bash -
376 221 177 3.5 zsh -
48 40 8 85.5 bumpleak/osh mut
59 54 4 86.1 _bin/cxx-opt+bumproot/osh mut
70 50 19 85.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 69 29 73.4 osh-native mut+alloc
107 78 29 75.3 osh-native mut+alloc+free
162 138 24 50.0 osh-native mut+alloc+free+gc
171 158 12 50.6 osh-native mut+alloc+free+gc+exit
140 92 48 98.9 _bin/cxx-opt+nopool/osh mut+alloc
220 180 40 67.4 _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 3 3 2.9 bash -
8 8 0 3.3 zsh -
6 3 3 11.3 bumpleak/osh mut
7 0 7 10.8 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 6 9.8 osh-native mut+alloc
9 0 9 10.1 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 11 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 24 4 3.0 bash -
24 14 9 3.3 zsh -
20 8 12 32.7 bumpleak/osh mut
25 18 7 31.5 _bin/cxx-opt+bumproot/osh mut
30 26 4 31.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 32 4 26.1 osh-native mut+alloc
38 23 15 26.5 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
29 29 0 7.9 osh-native mut+alloc+free+gc+exit
54 25 29 36.3 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 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 3.1 bash -
169 105 64 55.6 bumpleak/osh mut
182 113 69 54.5 _bin/cxx-opt+bumproot/osh mut
194 121 72 55.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 129 80 47.1 osh-native mut+alloc
217 140 76 48.6 osh-native mut+alloc+free
180 116 64 8.8 osh-native mut+alloc+free+gc
180 96 84 8.5 osh-native mut+alloc+free+gc+exit
230 135 95 63.0 _bin/cxx-opt+nopool/osh mut+alloc
209 132 76 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 18 3 4.3 bash -
18 6 12 3.5 zsh -
20 11 9 13.0 bumpleak/osh mut
21 6 15 12.6 _bin/cxx-opt+bumproot/osh mut
20 11 9 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 11 11 10.9 osh-native mut+alloc
22 20 3 11.1 osh-native mut+alloc+free
22 17 5 8.9 osh-native mut+alloc+free+gc
23 19 4 8.9 osh-native mut+alloc+free+gc+exit
24 11 14 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 21 4 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc