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 17.8 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 152 24 64 46.1 51.3 1,653,264 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 10 1 2 2.6 8.4 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 2 2.6 7.9 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 187 0 4 10.6 8.8 995,209 27,376 21 50,000 0 3,815 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,276 478 3 85,322 1 42,661 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 2.9 bash -
105 67 44 3.4 zsh -
16 12 4 29.1 bumpleak/osh mut
20 16 4 28.6 _bin/cxx-opt+bumproot/osh mut
22 22 0 29.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 15 15 25.0 osh-native mut+alloc
31 27 4 25.6 osh-native mut+alloc+free
37 24 12 17.8 osh-native mut+alloc+free+gc
37 36 0 18.0 osh-native mut+alloc+free+gc+exit
42 25 17 32.0 _bin/cxx-opt+nopool/osh mut+alloc
48 44 4 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 -
77 73 4 3.1 bash -
374 217 181 3.7 zsh -
50 41 8 84.7 bumpleak/osh mut
61 57 4 86.1 _bin/cxx-opt+bumproot/osh mut
71 54 17 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 70 27 73.4 osh-native mut+alloc
106 74 31 75.1 osh-native mut+alloc+free
152 131 20 51.3 osh-native mut+alloc+free+gc
158 122 35 52.2 osh-native mut+alloc+free+gc+exit
137 105 32 97.7 _bin/cxx-opt+nopool/osh mut+alloc
206 178 28 73.0 _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 3 3 2.9 bash -
8 8 0 3.4 zsh -
6 6 0 11.2 bumpleak/osh mut
7 7 0 11.4 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.0 osh-native mut+alloc
9 3 6 10.0 osh-native mut+alloc+free
10 10 0 8.4 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 12 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 10 0 1.4 dash -
29 25 4 3.0 bash -
24 20 4 3.3 zsh -
19 19 0 31.4 bumpleak/osh mut
25 22 4 32.1 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 25 11 26.3 osh-native mut+alloc
38 34 4 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
54 27 27 36.3 _bin/cxx-opt+nopool/osh mut+alloc
36 28 8 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
72 68 4 3.1 bash -
167 98 69 54.1 bumpleak/osh mut
180 100 80 55.4 _bin/cxx-opt+bumproot/osh mut
193 117 76 55.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 124 84 46.9 osh-native mut+alloc
216 140 76 48.9 osh-native mut+alloc+free
187 126 61 8.8 osh-native mut+alloc+free+gc
181 145 36 8.8 osh-native mut+alloc+free+gc+exit
231 135 96 63.0 _bin/cxx-opt+nopool/osh mut+alloc
207 162 45 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 8 1 3.4 dash -
19 15 5 4.5 bash -
18 10 8 3.5 zsh -
18 11 7 11.5 bumpleak/osh mut
21 12 9 12.7 _bin/cxx-opt+bumproot/osh mut
20 14 6 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 13 9 10.9 osh-native mut+alloc
22 22 1 11.0 osh-native mut+alloc+free
23 18 5 8.9 osh-native mut+alloc+free+gc
23 11 12 8.9 osh-native mut+alloc+free+gc+exit
24 19 6 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc