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 4 10 12.0 17.8 476,682 1,282 6 408,752 5 204,376 osh-native
parse.configure-coreutils 156 24 68 46.1 51.6 1,653,270 4,764 12 1,069,118 6 798,640 osh-native
parse.abuild 9 1 1 2.6 8.3 101,873 180 2 75,094 1 37,547 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,138 31,810 12 50,000 0 2,824 osh-native
ex.bashcomp-parse-help 180 0 3 10.6 8.5 995,215 27,376 21 50,000 0 3,819 osh-native
ex.abuild-print-help 24 1 2 2.8 9.0 116,282 478 3 85,330 1 42,665 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 3.1 bash -
105 64 46 3.4 zsh -
16 16 0 29.5 bumpleak/osh mut
20 16 4 28.5 _bin/cxx-opt+bumproot/osh mut
22 18 4 30.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.2 osh-native mut+alloc
31 26 4 25.4 osh-native mut+alloc+free
36 32 4 17.8 osh-native mut+alloc+free+gc
36 24 12 18.1 osh-native mut+alloc+free+gc+exit
42 30 11 32.4 _bin/cxx-opt+nopool/osh mut+alloc
50 33 16 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 1.4 dash -
78 74 4 3.1 bash -
378 215 184 3.4 zsh -
50 45 4 83.8 bumpleak/osh mut
59 43 16 84.9 _bin/cxx-opt+bumproot/osh mut
71 51 19 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 59 39 73.4 osh-native mut+alloc
104 72 32 75.3 osh-native mut+alloc+free
156 124 32 51.6 osh-native mut+alloc+free+gc
162 126 36 52.2 osh-native mut+alloc+free+gc+exit
139 87 52 98.6 _bin/cxx-opt+nopool/osh mut+alloc
220 192 28 73.0 _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 6 0 3.0 bash -
7 0 7 3.3 zsh -
6 3 3 11.0 bumpleak/osh mut
6 6 0 12.1 _bin/cxx-opt+bumproot/osh mut
8 8 0 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 9 0 8.3 osh-native mut+alloc+free+gc
9 6 3 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.5 _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 -
29 29 0 2.9 bash -
23 20 4 3.3 zsh -
19 15 4 32.6 bumpleak/osh mut
25 14 11 31.4 _bin/cxx-opt+bumproot/osh mut
28 20 8 31.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.2 osh-native mut+alloc
38 25 13 26.7 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 27 0 8.0 osh-native mut+alloc+free+gc+exit
54 37 17 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 72 0 3.1 bash -
168 96 72 55.0 bumpleak/osh mut
176 124 52 54.9 _bin/cxx-opt+bumproot/osh mut
193 121 72 55.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 131 80 47.1 osh-native mut+alloc
217 157 60 48.9 osh-native mut+alloc+free
180 143 36 8.5 osh-native mut+alloc+free+gc
181 137 44 8.5 osh-native mut+alloc+free+gc+exit
229 124 104 64.0 _bin/cxx-opt+nopool/osh mut+alloc
210 161 48 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 9 1 3.4 dash -
20 16 5 4.3 bash -
18 10 8 3.4 zsh -
19 12 7 11.8 bumpleak/osh mut
19 12 7 13.4 _bin/cxx-opt+bumproot/osh mut
20 14 6 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 20 1 11.0 osh-native mut+alloc
22 16 6 11.0 osh-native mut+alloc+free
24 13 11 9.0 osh-native mut+alloc+free+gc
23 16 7 9.0 osh-native mut+alloc+free+gc+exit
25 17 8 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 14 11 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc