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 4 10 12.0 18.1 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 153 25 66 46.1 51.5 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.5 101,880 180 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 182 0 3 10.6 8.8 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 23 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 19 4 3.1 bash -
104 57 54 3.4 zsh -
16 12 4 28.8 bumpleak/osh mut
20 19 0 29.6 _bin/cxx-opt+bumproot/osh mut
22 22 0 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 12 25.2 osh-native mut+alloc
31 27 4 25.6 osh-native mut+alloc+free
36 32 4 18.1 osh-native mut+alloc+free+gc
36 28 8 18.1 osh-native mut+alloc+free+gc+exit
44 28 16 32.3 _bin/cxx-opt+nopool/osh mut+alloc
48 43 4 22.3 _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 1.6 dash -
77 73 4 3.3 bash -
376 239 159 3.5 zsh -
49 41 8 84.4 bumpleak/osh mut
59 47 12 85.9 _bin/cxx-opt+bumproot/osh mut
70 66 4 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 73 24 73.4 osh-native mut+alloc
104 84 20 75.4 osh-native mut+alloc+free
153 128 24 51.5 osh-native mut+alloc+free+gc
156 128 28 52.1 osh-native mut+alloc+free+gc+exit
139 83 56 97.7 _bin/cxx-opt+nopool/osh mut+alloc
219 195 24 73.9 _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 6 0 3.0 bash -
8 0 7 3.3 zsh -
6 6 0 11.1 bumpleak/osh mut
6 6 0 12.6 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.8 osh-native mut+alloc
8 4 4 10.1 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 4 4 8.5 osh-native mut+alloc+free+gc+exit
12 12 0 11.2 _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 -
23 20 4 3.4 zsh -
20 16 4 32.5 bumpleak/osh mut
25 18 7 32.0 _bin/cxx-opt+bumproot/osh mut
29 21 7 31.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 29 7 26.5 osh-native mut+alloc
38 30 8 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
54 46 8 35.9 _bin/cxx-opt+nopool/osh mut+alloc
42 37 4 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
73 72 0 3.1 bash -
166 119 47 54.4 bumpleak/osh mut
179 107 72 54.2 _bin/cxx-opt+bumproot/osh mut
192 136 56 55.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 129 81 47.1 osh-native mut+alloc
218 137 81 48.9 osh-native mut+alloc+free
182 130 51 8.8 osh-native mut+alloc+free+gc
181 129 52 8.8 osh-native mut+alloc+free+gc+exit
230 119 111 64.1 _bin/cxx-opt+nopool/osh mut+alloc
211 155 56 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 1 3.5 dash -
19 16 4 4.3 bash -
18 8 11 3.4 zsh -
20 16 4 12.2 bumpleak/osh mut
19 11 9 13.7 _bin/cxx-opt+bumproot/osh mut
21 12 9 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 12 10 10.9 osh-native mut+alloc
23 19 4 10.9 osh-native mut+alloc+free
23 21 2 8.8 osh-native mut+alloc+free+gc
24 14 10 8.9 osh-native mut+alloc+free+gc+exit
25 16 10 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 19 8 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc