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 10 12.0 18.0 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 145 22 58 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 1 2.4 7.9 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 181 0 3 10.3 8.7 995,244 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 2.9 bash -
105 58 53 3.4 zsh -
16 12 4 29.6 bumpleak/osh mut
19 15 4 28.4 _bin/cxx-opt+bumproot/osh mut
23 18 4 28.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 19 11 25.2 osh-native mut+alloc
33 28 4 25.6 osh-native mut+alloc+free
36 31 4 18.0 osh-native mut+alloc+free+gc
38 29 8 18.0 osh-native mut+alloc+free+gc+exit
43 27 16 32.1 _bin/cxx-opt+nopool/osh mut+alloc
47 31 16 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 1.4 dash -
78 78 0 3.1 bash -
373 182 213 3.4 zsh -
49 41 7 83.9 bumpleak/osh mut
58 46 12 85.7 _bin/cxx-opt+bumproot/osh mut
69 58 12 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 72 24 73.6 osh-native mut+alloc
105 66 39 75.3 osh-native mut+alloc+free
145 125 20 49.9 osh-native mut+alloc+free+gc
149 121 27 50.6 osh-native mut+alloc+free+gc+exit
139 99 40 98.5 _bin/cxx-opt+nopool/osh mut+alloc
199 179 20 66.8 _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 3 3 3.0 bash -
8 0 7 3.3 zsh -
6 0 6 11.5 bumpleak/osh mut
7 7 0 11.9 _bin/cxx-opt+bumproot/osh mut
7 0 7 11.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
8 4 4 10.1 osh-native mut+alloc+free
9 4 4 8.4 osh-native mut+alloc+free+gc
9 4 4 8.4 osh-native mut+alloc+free+gc+exit
11 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 8 4 9.3 _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 29 0 2.9 bash -
24 16 8 3.3 zsh -
19 11 8 31.8 bumpleak/osh mut
25 20 4 31.5 _bin/cxx-opt+bumproot/osh mut
28 28 0 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
35 24 12 26.3 osh-native mut+alloc
37 25 12 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
54 42 12 35.8 _bin/cxx-opt+nopool/osh mut+alloc
38 38 0 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
72 60 12 3.1 bash -
169 120 48 54.2 bumpleak/osh mut
178 129 48 54.5 _bin/cxx-opt+bumproot/osh mut
194 142 51 55.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 138 71 47.0 osh-native mut+alloc
216 152 64 48.7 osh-native mut+alloc+free
181 124 56 8.7 osh-native mut+alloc+free+gc
183 108 76 8.8 osh-native mut+alloc+free+gc+exit
230 158 71 64.2 _bin/cxx-opt+nopool/osh mut+alloc
207 163 44 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 8 2 3.5 dash -
19 16 4 4.5 bash -
17 10 8 3.5 zsh -
19 11 8 12.0 bumpleak/osh mut
20 15 5 13.3 _bin/cxx-opt+bumproot/osh mut
20 11 9 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 10 11 11.0 osh-native mut+alloc
22 13 10 11.0 osh-native mut+alloc+free
22 12 10 8.9 osh-native mut+alloc+free+gc
23 11 13 8.9 osh-native mut+alloc+free+gc+exit
24 13 11 12.7 _bin/cxx-opt+nopool/osh mut+alloc
24 15 10 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc