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 17.7 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 155 24 68 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 8.3 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 1 2.4 7.9 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 181 0 3 10.3 8.7 995,244 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 -
23 23 0 3.1 bash -
106 53 60 3.3 zsh -
16 16 0 28.8 bumpleak/osh mut
20 16 4 28.7 _bin/cxx-opt+bumproot/osh mut
23 23 0 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 26 4 25.2 osh-native mut+alloc
31 27 4 25.4 osh-native mut+alloc+free
35 27 8 17.7 osh-native mut+alloc+free+gc
36 32 4 18.0 osh-native mut+alloc+free+gc+exit
43 27 16 32.9 _bin/cxx-opt+nopool/osh mut+alloc
48 40 8 22.2 _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 18 4 1.6 dash -
78 78 0 3.1 bash -
378 213 187 3.5 zsh -
50 41 8 84.7 bumpleak/osh mut
60 48 12 84.7 _bin/cxx-opt+bumproot/osh mut
70 53 16 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 66 31 73.4 osh-native mut+alloc
106 49 57 75.4 osh-native mut+alloc+free
155 138 16 49.9 osh-native mut+alloc+free+gc
155 119 36 50.6 osh-native mut+alloc+free+gc+exit
139 99 40 99.2 _bin/cxx-opt+nopool/osh mut+alloc
208 184 24 68.2 _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 2 0 1.4 dash -
6 6 0 2.9 bash -
8 0 8 3.3 zsh -
6 3 3 10.6 bumpleak/osh mut
7 3 3 11.1 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 10.1 osh-native mut+alloc
8 4 4 10.0 osh-native mut+alloc+free
9 4 4 8.3 osh-native mut+alloc+free+gc
9 3 6 8.4 osh-native mut+alloc+free+gc+exit
11 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 4 8 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 28 0 3.0 bash -
24 16 8 3.3 zsh -
20 15 4 31.3 bumpleak/osh mut
26 25 0 32.2 _bin/cxx-opt+bumproot/osh mut
28 20 8 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.2 osh-native mut+alloc
38 34 4 26.3 osh-native mut+alloc+free
28 27 0 7.9 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
54 46 8 35.9 _bin/cxx-opt+nopool/osh mut+alloc
38 38 0 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
73 69 4 3.1 bash -
168 100 68 54.7 bumpleak/osh mut
180 108 72 55.8 _bin/cxx-opt+bumproot/osh mut
193 153 40 56.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 134 77 47.0 osh-native mut+alloc
217 133 84 48.7 osh-native mut+alloc+free
181 116 64 8.7 osh-native mut+alloc+free+gc
182 123 59 8.8 osh-native mut+alloc+free+gc+exit
233 112 120 62.4 _bin/cxx-opt+nopool/osh mut+alloc
207 167 40 10.3 _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 5 3.5 dash -
20 19 1 4.5 bash -
18 7 12 3.5 zsh -
18 10 8 11.6 bumpleak/osh mut
21 12 10 12.6 _bin/cxx-opt+bumproot/osh mut
21 14 7 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 8 13 10.9 osh-native mut+alloc
22 13 9 11.1 osh-native mut+alloc+free
22 22 0 9.0 osh-native mut+alloc+free+gc
23 21 3 9.0 osh-native mut+alloc+free+gc+exit
25 17 8 12.8 _bin/cxx-opt+nopool/osh mut+alloc
25 17 9 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc