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 3 9 12.0 17.6 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 174 27 79 46.1 51.3 1,653,264 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 1 2.6 8.3 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 2 2.6 8.0 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 180 0 3 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 8.9 116,276 478 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
7 3 3 1.4 dash -
23 23 0 3.0 bash -
105 56 55 3.4 zsh -
16 12 4 27.8 bumpleak/osh mut
19 15 5 29.4 _bin/cxx-opt+bumproot/osh mut
22 23 0 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.0 osh-native mut+alloc
32 24 8 25.6 osh-native mut+alloc+free
36 20 16 17.6 osh-native mut+alloc+free+gc
37 22 15 18.0 osh-native mut+alloc+free+gc+exit
44 24 20 31.9 _bin/cxx-opt+nopool/osh mut+alloc
53 49 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
22 22 0 1.4 dash -
78 78 0 3.3 bash -
380 252 151 3.7 zsh -
51 43 8 84.7 bumpleak/osh mut
60 52 8 85.6 _bin/cxx-opt+bumproot/osh mut
71 55 16 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
109 66 43 73.4 osh-native mut+alloc
110 78 31 75.3 osh-native mut+alloc+free
174 150 24 51.3 osh-native mut+alloc+free+gc
168 136 32 52.2 osh-native mut+alloc+free+gc+exit
139 79 60 98.1 _bin/cxx-opt+nopool/osh mut+alloc
241 209 32 72.7 _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 1.4 dash -
6 6 0 2.9 bash -
8 4 4 3.3 zsh -
6 6 0 12.1 bumpleak/osh mut
7 7 0 11.2 _bin/cxx-opt+bumproot/osh mut
8 8 0 10.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.0 osh-native mut+alloc
9 9 0 9.8 osh-native mut+alloc+free
9 9 0 8.3 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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 1.6 dash -
28 28 0 3.0 bash -
24 16 8 3.3 zsh -
20 16 4 32.0 bumpleak/osh mut
26 22 4 32.8 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 33 4 26.5 osh-native mut+alloc
39 23 15 26.6 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
55 35 20 35.8 _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 69 4 3.1 bash -
170 83 87 53.9 bumpleak/osh mut
183 114 69 55.7 _bin/cxx-opt+bumproot/osh mut
195 143 52 56.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 155 56 47.1 osh-native mut+alloc
220 152 68 48.9 osh-native mut+alloc+free
180 132 48 8.7 osh-native mut+alloc+free+gc
181 137 44 8.8 osh-native mut+alloc+free+gc+exit
231 163 68 63.5 _bin/cxx-opt+nopool/osh mut+alloc
211 167 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 6 4 3.3 dash -
20 19 1 4.5 bash -
18 14 4 3.5 zsh -
20 11 9 12.1 bumpleak/osh mut
22 16 6 13.2 _bin/cxx-opt+bumproot/osh mut
21 6 15 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 14 8 10.7 osh-native mut+alloc
24 19 5 10.9 osh-native mut+alloc+free
23 11 12 8.9 osh-native mut+alloc+free+gc
23 15 9 9.0 osh-native mut+alloc+free+gc+exit
25 15 11 12.3 _bin/cxx-opt+nopool/osh mut+alloc
26 21 5 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc