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 40 6 13 12.0 18.0 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 183 29 92 46.1 51.4 1,653,264 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 1 2.6 8.5 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 29 0 2 2.6 7.9 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 185 0 4 10.6 8.7 995,209 27,376 21 50,000 0 3,815 osh-native
ex.abuild-print-help 23 1 2 2.8 8.8 116,276 478 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
7 6 0 1.4 dash -
24 23 0 2.9 bash -
106 58 54 3.4 zsh -
17 17 0 28.8 bumpleak/osh mut
20 20 0 30.1 _bin/cxx-opt+bumproot/osh mut
23 19 4 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 30 0 25.0 osh-native mut+alloc
33 22 11 25.4 osh-native mut+alloc+free
40 39 0 18.0 osh-native mut+alloc+free+gc
40 36 4 18.1 osh-native mut+alloc+free+gc+exit
46 33 12 31.8 _bin/cxx-opt+nopool/osh mut+alloc
62 43 19 21.8 _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 -
79 78 0 3.3 bash -
383 216 189 3.5 zsh -
50 46 4 84.6 bumpleak/osh mut
60 52 8 84.3 _bin/cxx-opt+bumproot/osh mut
71 59 12 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 63 36 73.3 osh-native mut+alloc
108 48 60 74.9 osh-native mut+alloc+free
183 167 16 51.4 osh-native mut+alloc+free+gc
190 170 20 52.1 osh-native mut+alloc+free+gc+exit
141 80 60 98.8 _bin/cxx-opt+nopool/osh mut+alloc
265 237 28 71.0 _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 1.4 dash -
6 3 3 3.0 bash -
8 4 4 3.3 zsh -
6 0 6 10.8 bumpleak/osh mut
7 7 0 10.9 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 9.7 osh-native mut+alloc
9 3 6 10.2 osh-native mut+alloc+free
9 6 3 8.5 osh-native mut+alloc+free+gc
10 10 0 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
13 13 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 -
30 30 0 2.9 bash -
24 24 0 3.3 zsh -
19 15 4 32.5 bumpleak/osh mut
26 25 0 32.7 _bin/cxx-opt+bumproot/osh mut
28 20 8 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 25 12 26.2 osh-native mut+alloc
39 31 8 26.6 osh-native mut+alloc+free
29 21 7 7.9 osh-native mut+alloc+free+gc
28 23 5 7.7 osh-native mut+alloc+free+gc+exit
55 31 23 36.0 _bin/cxx-opt+nopool/osh mut+alloc
38 33 4 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 73 0 3.1 bash -
171 103 68 55.0 bumpleak/osh mut
180 116 64 56.2 _bin/cxx-opt+bumproot/osh mut
202 127 75 57.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
214 151 64 47.1 osh-native mut+alloc
222 113 109 48.9 osh-native mut+alloc+free
185 140 44 8.7 osh-native mut+alloc+free+gc
186 138 47 8.5 osh-native mut+alloc+free+gc+exit
235 128 108 62.5 _bin/cxx-opt+nopool/osh mut+alloc
223 178 44 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 5 6 3.5 dash -
21 12 9 4.5 bash -
18 11 8 3.5 zsh -
19 16 4 13.0 bumpleak/osh mut
21 11 10 13.7 _bin/cxx-opt+bumproot/osh mut
21 15 7 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 16 7 10.9 osh-native mut+alloc
24 15 9 11.0 osh-native mut+alloc+free
23 13 11 8.8 osh-native mut+alloc+free+gc
24 16 9 8.9 osh-native mut+alloc+free+gc+exit
25 8 18 12.7 _bin/cxx-opt+nopool/osh mut+alloc
27 15 12 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc