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 18.0 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 169 28 80 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 7.9 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 180 0 4 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 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
7 3 3 1.6 dash -
23 23 0 3.0 bash -
105 51 61 3.4 zsh -
17 16 0 29.2 bumpleak/osh mut
21 17 4 28.3 _bin/cxx-opt+bumproot/osh mut
23 15 7 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 19 12 25.3 osh-native mut+alloc
33 24 8 25.7 osh-native mut+alloc+free
37 33 4 18.0 osh-native mut+alloc+free+gc
38 25 13 18.0 osh-native mut+alloc+free+gc+exit
44 24 20 33.2 _bin/cxx-opt+nopool/osh mut+alloc
52 51 0 21.8 _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 22 0 1.6 dash -
77 74 4 3.3 bash -
381 219 184 3.7 zsh -
52 40 12 84.8 bumpleak/osh mut
61 45 15 84.8 _bin/cxx-opt+bumproot/osh mut
71 63 8 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 55 43 73.4 osh-native mut+alloc
107 82 25 75.3 osh-native mut+alloc+free
169 142 28 49.9 osh-native mut+alloc+free+gc
172 148 24 50.6 osh-native mut+alloc+free+gc+exit
139 75 63 99.4 _bin/cxx-opt+nopool/osh mut+alloc
239 194 45 67.0 _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 1.3 dash -
6 6 0 2.9 bash -
8 8 0 3.3 zsh -
6 0 6 11.9 bumpleak/osh mut
8 8 0 12.1 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.1 osh-native mut+alloc
9 5 5 10.2 osh-native mut+alloc+free
9 5 5 8.4 osh-native mut+alloc+free+gc
9 3 6 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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
11 11 0 1.6 dash -
28 24 4 3.0 bash -
24 23 0 3.3 zsh -
20 13 7 32.6 bumpleak/osh mut
26 26 0 31.7 _bin/cxx-opt+bumproot/osh mut
28 16 12 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 33 4 26.3 osh-native mut+alloc
39 31 8 26.3 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
29 29 0 8.0 osh-native mut+alloc+free+gc+exit
54 29 25 36.0 _bin/cxx-opt+nopool/osh mut+alloc
39 39 0 9.3 _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 90 79 55.5 bumpleak/osh mut
181 126 55 54.3 _bin/cxx-opt+bumproot/osh mut
194 107 87 55.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 151 60 47.0 osh-native mut+alloc
218 153 65 48.7 osh-native mut+alloc+free
180 120 60 8.7 osh-native mut+alloc+free+gc
181 113 69 8.7 osh-native mut+alloc+free+gc+exit
232 144 88 63.5 _bin/cxx-opt+nopool/osh mut+alloc
208 152 56 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 3.4 dash -
20 16 4 4.3 bash -
18 9 10 3.4 zsh -
20 6 14 12.2 bumpleak/osh mut
20 11 9 12.4 _bin/cxx-opt+bumproot/osh mut
22 11 11 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 17 5 11.0 osh-native mut+alloc
23 14 10 11.0 osh-native mut+alloc+free
23 11 13 8.9 osh-native mut+alloc+free+gc
23 12 12 9.0 osh-native mut+alloc+free+gc+exit
25 18 8 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 21 5 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc