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 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 166 27 77 46.1 51.3 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 10 1 1 2.6 8.4 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 2 2.7 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 181 0 4 10.6 8.7 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 23 1 2 2.8 9.0 116,289 478 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 3 3 1.6 dash -
24 20 4 3.0 bash -
105 60 51 3.5 zsh -
16 12 4 29.7 bumpleak/osh mut
20 19 0 29.5 _bin/cxx-opt+bumproot/osh mut
23 13 9 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 25.0 osh-native mut+alloc
32 24 8 25.4 osh-native mut+alloc+free
37 29 8 18.0 osh-native mut+alloc+free+gc
38 29 8 18.0 osh-native mut+alloc+free+gc+exit
45 28 16 32.1 _bin/cxx-opt+nopool/osh mut+alloc
51 43 8 22.0 _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 17 4 1.6 dash -
78 78 0 3.3 bash -
386 206 202 3.5 zsh -
49 37 12 85.3 bumpleak/osh mut
60 52 8 85.9 _bin/cxx-opt+bumproot/osh mut
70 66 4 84.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 71 28 73.4 osh-native mut+alloc
106 74 31 75.1 osh-native mut+alloc+free
166 138 28 51.3 osh-native mut+alloc+free+gc
172 148 24 52.3 osh-native mut+alloc+free+gc+exit
142 98 43 98.8 _bin/cxx-opt+nopool/osh mut+alloc
235 203 32 71.9 _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 1.4 dash -
6 6 0 2.9 bash -
8 0 7 3.3 zsh -
6 6 0 10.3 bumpleak/osh mut
7 4 4 11.7 _bin/cxx-opt+bumproot/osh mut
8 4 4 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 9.8 osh-native mut+alloc
9 3 6 10.1 osh-native mut+alloc+free
10 3 6 8.4 osh-native mut+alloc+free+gc
10 3 6 8.3 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 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 -
28 28 0 3.0 bash -
24 16 8 3.4 zsh -
20 12 8 32.0 bumpleak/osh mut
26 26 0 32.6 _bin/cxx-opt+bumproot/osh mut
29 25 4 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.5 osh-native mut+alloc
38 26 13 26.9 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
29 24 4 7.9 osh-native mut+alloc+free+gc+exit
54 27 27 36.0 _bin/cxx-opt+nopool/osh mut+alloc
38 37 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 -
169 113 56 54.9 bumpleak/osh mut
181 110 71 54.8 _bin/cxx-opt+bumproot/osh mut
193 118 75 56.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
221 146 75 47.0 osh-native mut+alloc
218 150 67 48.9 osh-native mut+alloc+free
181 96 84 8.7 osh-native mut+alloc+free+gc
181 129 52 8.8 osh-native mut+alloc+free+gc+exit
234 135 99 63.2 _bin/cxx-opt+nopool/osh mut+alloc
209 148 60 10.0 _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 2 3.4 dash -
20 14 7 4.5 bash -
18 14 5 3.4 zsh -
19 13 6 11.4 bumpleak/osh mut
19 17 2 13.7 _bin/cxx-opt+bumproot/osh mut
23 18 5 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 15 8 10.7 osh-native mut+alloc
23 14 9 11.1 osh-native mut+alloc+free
23 19 4 9.0 osh-native mut+alloc+free+gc
24 22 2 8.9 osh-native mut+alloc+free+gc+exit
26 20 6 12.7 _bin/cxx-opt+nopool/osh mut+alloc
26 21 5 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc