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 10 12.0 18.0 476,694 1,282 6 408,764 5 204,382 osh-native
parse.configure-coreutils 171 28 80 46.1 51.7 1,653,282 4,764 12 1,069,130 6 798,646 osh-native
parse.abuild 10 1 2 2.6 8.4 101,885 180 2 75,106 1 37,553 osh-native
ex.compute-fib 28 0 2 2.4 7.9 584,150 31,810 12 50,000 0 2,829 osh-native
ex.bashcomp-parse-help 182 0 4 10.3 8.7 995,227 27,376 21 50,000 0 3,825 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,294 478 3 85,342 1 42,671 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 3 3 1.4 dash -
24 23 0 3.1 bash -
107 61 53 3.4 zsh -
17 14 3 28.0 bumpleak/osh mut
20 12 8 30.5 _bin/cxx-opt+bumproot/osh mut
23 19 4 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 30 0 25.2 osh-native mut+alloc
32 12 20 25.6 osh-native mut+alloc+free
37 26 11 18.0 osh-native mut+alloc+free+gc
38 26 11 18.0 osh-native mut+alloc+free+gc+exit
44 20 24 33.5 _bin/cxx-opt+nopool/osh mut+alloc
49 44 4 22.3 _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 1.6 dash -
78 74 4 3.3 bash -
382 239 166 3.5 zsh -
50 42 8 84.6 bumpleak/osh mut
59 55 4 84.9 _bin/cxx-opt+bumproot/osh mut
79 67 12 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 67 32 73.3 osh-native mut+alloc
108 72 36 75.3 osh-native mut+alloc+free
171 150 20 51.7 osh-native mut+alloc+free+gc
168 156 12 50.6 osh-native mut+alloc+free+gc+exit
142 94 47 98.6 _bin/cxx-opt+nopool/osh mut+alloc
227 199 28 72.2 _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 0 2 1.3 dash -
6 3 3 2.9 bash -
8 0 7 3.3 zsh -
7 3 3 11.6 bumpleak/osh mut
7 7 0 11.5 _bin/cxx-opt+bumproot/osh mut
7 7 0 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.0 osh-native mut+alloc
10 5 5 10.0 osh-native mut+alloc+free
10 10 0 8.4 osh-native mut+alloc+free+gc
9 5 5 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 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 -
28 24 4 3.0 bash -
24 16 8 3.4 zsh -
20 16 4 32.5 bumpleak/osh mut
26 26 0 31.7 _bin/cxx-opt+bumproot/osh mut
28 20 8 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 33 4 26.2 osh-native mut+alloc
39 30 9 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
29 29 0 7.9 osh-native mut+alloc+free+gc+exit
54 38 15 36.2 _bin/cxx-opt+nopool/osh mut+alloc
37 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
74 73 0 3.1 bash -
169 118 51 54.7 bumpleak/osh mut
178 131 47 55.3 _bin/cxx-opt+bumproot/osh mut
197 110 86 55.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 129 81 47.0 osh-native mut+alloc
220 128 92 48.5 osh-native mut+alloc+free
182 129 53 8.7 osh-native mut+alloc+free+gc
181 140 40 8.8 osh-native mut+alloc+free+gc+exit
233 178 55 62.4 _bin/cxx-opt+nopool/osh mut+alloc
210 149 60 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 10 0 3.4 dash -
20 19 1 4.5 bash -
18 11 8 3.5 zsh -
21 10 10 12.4 bumpleak/osh mut
20 12 9 13.8 _bin/cxx-opt+bumproot/osh mut
20 17 4 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 12 10 10.6 osh-native mut+alloc
23 20 3 11.0 osh-native mut+alloc+free
23 11 13 8.9 osh-native mut+alloc+free+gc
24 23 2 8.9 osh-native mut+alloc+free+gc+exit
25 18 8 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 18 8 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc