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 17.7 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 157 25 69 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 8.4 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 181 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
6 3 3 1.6 dash -
23 23 0 2.9 bash -
105 56 55 3.4 zsh -
16 16 0 29.2 bumpleak/osh mut
20 16 4 28.3 _bin/cxx-opt+bumproot/osh mut
23 23 0 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 25.2 osh-native mut+alloc
33 22 11 25.7 osh-native mut+alloc+free
37 32 4 17.7 osh-native mut+alloc+free+gc
40 39 0 18.0 osh-native mut+alloc+free+gc+exit
42 34 8 31.9 _bin/cxx-opt+nopool/osh mut+alloc
48 44 4 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 22 0 1.6 dash -
78 74 4 3.1 bash -
379 237 162 3.5 zsh -
49 37 12 84.3 bumpleak/osh mut
60 44 16 85.2 _bin/cxx-opt+bumproot/osh mut
71 46 25 85.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
102 77 24 73.2 osh-native mut+alloc
106 78 27 75.3 osh-native mut+alloc+free
157 144 12 51.4 osh-native mut+alloc+free+gc
164 144 20 52.2 osh-native mut+alloc+free+gc+exit
142 73 69 98.7 _bin/cxx-opt+nopool/osh mut+alloc
232 204 28 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 0 2 1.4 dash -
6 6 0 2.9 bash -
8 0 7 3.4 zsh -
6 0 6 11.0 bumpleak/osh mut
7 7 0 11.9 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 9.8 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 9 0 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 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 28 0 3.0 bash -
25 14 10 3.3 zsh -
19 19 0 31.7 bumpleak/osh mut
25 25 0 31.8 _bin/cxx-opt+bumproot/osh mut
28 20 8 31.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.5 osh-native mut+alloc
38 26 11 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 27 0 7.9 osh-native mut+alloc+free+gc+exit
53 38 15 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 36 0 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
73 65 8 3.1 bash -
168 132 36 55.1 bumpleak/osh mut
179 127 52 55.5 _bin/cxx-opt+bumproot/osh mut
193 128 64 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 144 68 47.2 osh-native mut+alloc
218 142 75 48.8 osh-native mut+alloc+free
181 145 36 8.7 osh-native mut+alloc+free+gc
183 118 65 8.5 osh-native mut+alloc+free+gc+exit
232 167 64 63.5 _bin/cxx-opt+nopool/osh mut+alloc
208 168 40 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 7 3 3.4 dash -
20 15 6 4.5 bash -
18 11 8 3.5 zsh -
19 7 12 11.4 bumpleak/osh mut
20 16 4 12.1 _bin/cxx-opt+bumproot/osh mut
20 12 9 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 14 8 10.9 osh-native mut+alloc
23 15 8 10.9 osh-native mut+alloc+free
23 21 2 8.8 osh-native mut+alloc+free+gc
23 16 8 8.8 osh-native mut+alloc+free+gc+exit
25 15 10 12.4 _bin/cxx-opt+nopool/osh mut+alloc
25 14 11 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc