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 17.8 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 163 27 74 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 8.3 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 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 10.3 8.7 979,369 27,376 21 50,000 0 3,804 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,240 478 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 3 3 1.4 dash -
23 23 0 3.1 bash -
105 52 59 3.4 zsh -
17 16 0 29.5 bumpleak/osh mut
19 11 8 29.0 _bin/cxx-opt+bumproot/osh mut
23 22 0 28.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 22 7 24.9 osh-native mut+alloc
32 24 8 25.6 osh-native mut+alloc+free
36 32 4 17.8 osh-native mut+alloc+free+gc
37 33 4 18.0 osh-native mut+alloc+free+gc+exit
45 30 15 32.4 _bin/cxx-opt+nopool/osh mut+alloc
50 38 11 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 1.6 dash -
77 70 8 3.1 bash -
379 239 161 3.5 zsh -
49 37 12 84.5 bumpleak/osh mut
60 48 12 84.7 _bin/cxx-opt+bumproot/osh mut
70 54 15 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
100 72 28 73.4 osh-native mut+alloc
108 76 32 75.4 osh-native mut+alloc+free
163 142 20 51.4 osh-native mut+alloc+free+gc
169 133 36 52.1 osh-native mut+alloc+free+gc+exit
140 96 44 99.3 _bin/cxx-opt+nopool/osh mut+alloc
235 202 32 72.8 _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 11.2 bumpleak/osh mut
7 3 3 12.7 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.7 _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 9 0 8.3 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 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 -
29 25 4 2.9 bash -
24 16 8 3.1 zsh -
19 19 0 30.7 bumpleak/osh mut
25 18 7 31.2 _bin/cxx-opt+bumproot/osh mut
29 28 0 31.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 31 4 26.5 osh-native mut+alloc
39 31 8 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
54 35 19 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 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 73 0 3.0 bash -
170 109 61 54.1 bumpleak/osh mut
181 122 59 55.7 _bin/cxx-opt+bumproot/osh mut
195 119 75 54.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 158 55 46.5 osh-native mut+alloc
222 158 63 48.1 osh-native mut+alloc+free
185 134 51 8.7 osh-native mut+alloc+free+gc
182 121 61 8.5 osh-native mut+alloc+free+gc+exit
231 139 91 62.8 _bin/cxx-opt+nopool/osh mut+alloc
208 157 51 9.9 _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 3.4 dash -
20 13 7 4.3 bash -
18 17 1 3.4 zsh -
18 17 2 11.1 bumpleak/osh mut
20 12 8 13.6 _bin/cxx-opt+bumproot/osh mut
22 19 3 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 11 12 10.9 osh-native mut+alloc
23 11 12 10.7 osh-native mut+alloc+free
23 17 7 8.9 osh-native mut+alloc+free+gc
23 21 3 8.9 osh-native mut+alloc+free+gc+exit
25 17 8 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 15 12 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc