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 35 3 9 12.0 18.0 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 143 22 57 44.6 49.8 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 28 0 1 2.4 8.0 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 179 0 3 10.3 8.8 995,244 12,911 21 50,000 0 3,834 osh-native
ex.abuild-print-help 22 1 2 2.8 9.0 116,311 270 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 -
26 22 4 3.0 bash -
104 61 49 3.4 zsh -
16 12 4 29.2 bumpleak/osh mut
19 12 8 30.0 _bin/cxx-opt+bumproot/osh mut
22 22 0 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 24.9 osh-native mut+alloc
31 27 4 25.7 osh-native mut+alloc+free
35 19 16 18.0 osh-native mut+alloc+free+gc
36 36 0 17.8 osh-native mut+alloc+free+gc+exit
43 27 16 31.9 _bin/cxx-opt+nopool/osh mut+alloc
49 37 12 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 -
77 77 0 3.3 bash -
375 186 210 3.5 zsh -
49 40 8 84.1 bumpleak/osh mut
60 55 4 84.5 _bin/cxx-opt+bumproot/osh mut
69 53 15 84.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 60 36 73.5 osh-native mut+alloc
106 69 36 75.2 osh-native mut+alloc+free
143 99 44 49.8 osh-native mut+alloc+free+gc
148 135 12 50.6 osh-native mut+alloc+free+gc+exit
138 93 45 98.2 _bin/cxx-opt+nopool/osh mut+alloc
203 175 28 67.1 _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 0 7 3.1 zsh -
6 6 0 10.3 bumpleak/osh mut
7 0 7 11.9 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.2 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 3 6 8.5 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 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
10 10 0 1.4 dash -
29 25 4 2.9 bash -
24 20 4 3.3 zsh -
19 15 4 31.9 bumpleak/osh mut
26 22 4 32.1 _bin/cxx-opt+bumproot/osh mut
28 23 4 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.2 osh-native mut+alloc
38 33 4 26.5 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
53 41 12 35.9 _bin/cxx-opt+nopool/osh mut+alloc
38 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
72 64 8 3.3 bash -
166 107 59 54.5 bumpleak/osh mut
177 129 48 54.3 _bin/cxx-opt+bumproot/osh mut
196 108 88 55.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 145 64 47.1 osh-native mut+alloc
214 155 59 48.7 osh-native mut+alloc+free
179 135 44 8.8 osh-native mut+alloc+free+gc
181 134 47 8.8 osh-native mut+alloc+free+gc+exit
232 160 72 64.3 _bin/cxx-opt+nopool/osh mut+alloc
206 134 71 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 1 3.4 dash -
19 12 8 4.5 bash -
18 13 5 3.5 zsh -
19 14 6 12.6 bumpleak/osh mut
20 12 9 12.5 _bin/cxx-opt+bumproot/osh mut
20 11 10 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 11 11 11.0 osh-native mut+alloc
22 14 9 11.1 osh-native mut+alloc+free
22 16 7 9.0 osh-native mut+alloc+free+gc
22 14 8 9.0 osh-native mut+alloc+free+gc+exit
24 14 11 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 11 14 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc