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 18.0 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 163 28 74 46.1 51.1 1,653,264 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 1 2.6 8.4 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 30 0 2 2.6 7.6 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 181 0 4 10.3 8.7 979,369 27,376 21 50,000 0 3,804 osh-native
ex.abuild-print-help 23 1 2 2.8 8.8 116,240 478 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
6 6 0 1.6 dash -
23 23 0 3.0 bash -
106 63 50 3.4 zsh -
16 12 4 28.7 bumpleak/osh mut
20 16 4 29.7 _bin/cxx-opt+bumproot/osh mut
23 23 0 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 13 17 25.2 osh-native mut+alloc
33 22 11 25.6 osh-native mut+alloc+free
35 26 9 18.0 osh-native mut+alloc+free+gc
38 27 11 18.0 osh-native mut+alloc+free+gc+exit
44 24 20 32.7 _bin/cxx-opt+nopool/osh mut+alloc
53 40 12 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
22 21 0 1.4 dash -
78 73 4 3.1 bash -
382 223 183 3.7 zsh -
50 38 11 85.5 bumpleak/osh mut
60 56 4 84.5 _bin/cxx-opt+bumproot/osh mut
70 62 8 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 62 35 73.4 osh-native mut+alloc
107 75 32 75.1 osh-native mut+alloc+free
163 127 36 51.1 osh-native mut+alloc+free+gc
184 167 16 52.2 osh-native mut+alloc+free+gc+exit
140 119 20 97.9 _bin/cxx-opt+nopool/osh mut+alloc
246 210 36 72.3 _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 3.0 bash -
8 4 4 3.4 zsh -
6 6 0 10.8 bumpleak/osh mut
7 0 7 11.8 _bin/cxx-opt+bumproot/osh mut
8 8 0 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.0 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 3 6 8.4 osh-native mut+alloc+free+gc
9 5 5 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 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 1.4 dash -
29 25 4 3.0 bash -
23 19 5 3.3 zsh -
19 19 0 31.4 bumpleak/osh mut
25 17 8 31.2 _bin/cxx-opt+bumproot/osh mut
29 25 4 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 36 0 26.2 osh-native mut+alloc
39 19 19 26.6 osh-native mut+alloc+free
30 25 4 7.6 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
55 43 12 35.7 _bin/cxx-opt+nopool/osh mut+alloc
38 34 4 9.5 _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 68 4 3.1 bash -
166 113 53 54.2 bumpleak/osh mut
182 79 103 54.4 _bin/cxx-opt+bumproot/osh mut
192 108 84 54.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 132 80 46.3 osh-native mut+alloc
217 153 63 48.1 osh-native mut+alloc+free
181 114 67 8.7 osh-native mut+alloc+free+gc
180 139 41 8.5 osh-native mut+alloc+free+gc+exit
232 176 56 61.5 _bin/cxx-opt+nopool/osh mut+alloc
209 153 56 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 7 3 3.4 dash -
20 13 8 4.5 bash -
18 12 6 3.5 zsh -
19 11 8 13.0 bumpleak/osh mut
20 18 3 13.4 _bin/cxx-opt+bumproot/osh mut
20 12 9 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 19 4 10.7 osh-native mut+alloc
23 12 11 10.6 osh-native mut+alloc+free
23 17 6 8.8 osh-native mut+alloc+free+gc
24 11 13 8.7 osh-native mut+alloc+free+gc+exit
25 24 2 12.6 _bin/cxx-opt+nopool/osh mut+alloc
26 14 13 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc