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 17.8 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 150 25 63 46.1 51.6 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.4 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.7 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,289 478 3 85,334 1 42,667 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 -
104 66 44 3.4 zsh -
16 12 4 29.3 bumpleak/osh mut
20 16 4 28.6 _bin/cxx-opt+bumproot/osh mut
22 7 15 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 24.9 osh-native mut+alloc
31 23 8 25.4 osh-native mut+alloc+free
35 31 4 17.8 osh-native mut+alloc+free+gc
36 24 12 18.1 osh-native mut+alloc+free+gc+exit
42 34 8 32.0 _bin/cxx-opt+nopool/osh mut+alloc
48 36 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 -
78 77 0 3.1 bash -
374 201 193 3.5 zsh -
49 41 8 85.8 bumpleak/osh mut
60 52 8 85.2 _bin/cxx-opt+bumproot/osh mut
69 60 8 86.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 80 16 73.5 osh-native mut+alloc
105 58 46 75.3 osh-native mut+alloc+free
150 126 24 51.6 osh-native mut+alloc+free+gc
153 129 24 52.2 osh-native mut+alloc+free+gc+exit
137 59 78 98.1 _bin/cxx-opt+nopool/osh mut+alloc
210 174 36 74.0 _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 0 2 1.3 dash -
6 6 0 3.0 bash -
8 4 4 3.1 zsh -
6 3 3 11.9 bumpleak/osh mut
7 7 0 11.7 _bin/cxx-opt+bumproot/osh mut
7 7 0 10.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
8 3 6 10.1 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 6 3 8.7 osh-native mut+alloc+free+gc+exit
11 11 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 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 3.0 bash -
25 21 4 3.3 zsh -
19 15 4 31.6 bumpleak/osh mut
25 25 0 32.3 _bin/cxx-opt+bumproot/osh mut
28 28 0 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 18 18 26.5 osh-native mut+alloc
38 23 15 26.7 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
55 38 17 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 9.3 _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 72 0 3.1 bash -
167 83 83 54.7 bumpleak/osh mut
178 123 55 55.4 _bin/cxx-opt+bumproot/osh mut
193 140 52 56.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 119 91 47.1 osh-native mut+alloc
218 134 83 48.8 osh-native mut+alloc+free
181 140 40 8.7 osh-native mut+alloc+free+gc
181 120 60 8.7 osh-native mut+alloc+free+gc+exit
231 147 84 63.5 _bin/cxx-opt+nopool/osh mut+alloc
207 131 76 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 9 2 3.5 dash -
20 16 4 4.3 bash -
17 10 8 3.5 zsh -
18 12 7 11.5 bumpleak/osh mut
20 16 4 13.6 _bin/cxx-opt+bumproot/osh mut
21 13 8 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 9 12 11.0 osh-native mut+alloc
22 13 10 10.9 osh-native mut+alloc+free
22 21 1 8.8 osh-native mut+alloc+free+gc
23 19 5 8.9 osh-native mut+alloc+free+gc+exit
24 12 12 12.4 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc