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 46 8 16 12.0 17.7 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 192 30 99 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 8.5 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 29 0 2 2.4 7.9 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 184 0 5 10.3 8.7 995,244 12,911 21 50,000 0 3,834 osh-native
ex.abuild-print-help 24 1 2 2.8 8.9 116,311 270 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 -
24 24 0 3.0 bash -
116 63 59 3.4 zsh -
16 16 0 29.1 bumpleak/osh mut
20 16 4 29.7 _bin/cxx-opt+bumproot/osh mut
23 23 0 28.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 19 12 25.0 osh-native mut+alloc
33 11 22 25.6 osh-native mut+alloc+free
46 38 8 17.7 osh-native mut+alloc+free+gc
45 41 4 18.0 osh-native mut+alloc+free+gc+exit
45 34 11 31.9 _bin/cxx-opt+nopool/osh mut+alloc
66 50 15 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 1.6 dash -
78 74 4 3.3 bash -
412 244 192 3.5 zsh -
49 38 11 84.3 bumpleak/osh mut
61 48 12 85.9 _bin/cxx-opt+bumproot/osh mut
72 55 16 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
100 48 52 73.3 osh-native mut+alloc
110 59 51 75.3 osh-native mut+alloc+free
192 168 24 50.0 osh-native mut+alloc+free+gc
204 164 40 50.7 osh-native mut+alloc+free+gc+exit
143 111 33 99.1 _bin/cxx-opt+nopool/osh mut+alloc
278 254 24 67.7 _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
3 3 0 1.3 dash -
6 3 3 2.9 bash -
8 0 8 3.3 zsh -
6 6 0 11.9 bumpleak/osh mut
7 7 0 11.0 _bin/cxx-opt+bumproot/osh mut
8 4 4 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.2 osh-native mut+alloc
10 3 6 10.0 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
10 7 3 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
13 13 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 7 3 1.6 dash -
29 25 4 2.9 bash -
24 20 4 3.3 zsh -
20 8 12 32.3 bumpleak/osh mut
27 26 0 32.8 _bin/cxx-opt+bumproot/osh mut
29 14 14 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
38 25 12 26.3 osh-native mut+alloc
40 24 16 26.6 osh-native mut+alloc+free
29 25 4 7.9 osh-native mut+alloc+free+gc
29 25 4 7.9 osh-native mut+alloc+free+gc+exit
57 40 16 35.8 _bin/cxx-opt+nopool/osh mut+alloc
39 35 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
75 70 4 3.3 bash -
169 80 88 54.6 bumpleak/osh mut
181 96 84 56.0 _bin/cxx-opt+bumproot/osh mut
199 123 76 56.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
216 135 80 47.0 osh-native mut+alloc
224 144 80 48.7 osh-native mut+alloc+free
184 143 40 8.7 osh-native mut+alloc+free+gc
188 156 32 8.8 osh-native mut+alloc+free+gc+exit
236 172 64 63.7 _bin/cxx-opt+nopool/osh mut+alloc
237 178 59 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 5 6 3.5 dash -
22 11 11 4.3 bash -
19 9 10 3.4 zsh -
21 10 11 12.7 bumpleak/osh mut
22 10 12 13.2 _bin/cxx-opt+bumproot/osh mut
21 12 10 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
23 11 12 11.0 osh-native mut+alloc
23 11 13 11.0 osh-native mut+alloc+free
24 14 10 8.9 osh-native mut+alloc+free+gc
24 20 4 8.9 osh-native mut+alloc+free+gc+exit
26 18 8 12.7 _bin/cxx-opt+nopool/osh mut+alloc
26 17 9 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc