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 18.0 476,682 1,282 6 408,752 5 204,376 osh-native
parse.configure-coreutils 147 24 60 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 8.4 101,873 180 2 75,094 1 37,547 osh-native
ex.compute-fib 28 0 1 2.6 8.0 584,138 31,810 12 50,000 0 2,824 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.5 995,215 27,376 21 50,000 0 3,819 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,282 478 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 19 4 3.1 bash -
105 59 52 3.4 zsh -
16 8 8 27.8 bumpleak/osh mut
19 19 0 29.2 _bin/cxx-opt+bumproot/osh mut
22 21 0 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.0 osh-native mut+alloc
31 22 9 25.6 osh-native mut+alloc+free
35 27 8 18.0 osh-native mut+alloc+free+gc
35 31 4 17.8 osh-native mut+alloc+free+gc+exit
44 24 20 32.0 _bin/cxx-opt+nopool/osh mut+alloc
49 41 7 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
21 21 0 1.6 dash -
77 77 0 3.1 bash -
375 207 189 3.5 zsh -
50 41 8 84.3 bumpleak/osh mut
59 51 8 86.3 _bin/cxx-opt+bumproot/osh mut
69 53 15 85.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 57 40 73.2 osh-native mut+alloc
105 80 24 75.3 osh-native mut+alloc+free
147 139 8 51.6 osh-native mut+alloc+free+gc
156 116 40 52.1 osh-native mut+alloc+free+gc+exit
140 96 44 98.5 _bin/cxx-opt+nopool/osh mut+alloc
213 184 28 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 0 2 1.3 dash -
6 6 0 3.0 bash -
8 8 0 3.3 zsh -
6 6 0 12.3 bumpleak/osh mut
7 0 7 11.3 _bin/cxx-opt+bumproot/osh mut
7 7 0 10.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.7 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 4 4 8.4 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
11 11 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 -
28 28 0 2.9 bash -
23 19 5 3.1 zsh -
20 15 4 32.5 bumpleak/osh mut
25 21 4 32.5 _bin/cxx-opt+bumproot/osh mut
27 19 8 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.3 osh-native mut+alloc
38 22 15 26.6 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 24 4 7.7 osh-native mut+alloc+free+gc+exit
54 31 23 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 29 7 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 69 4 3.1 bash -
168 96 72 53.8 bumpleak/osh mut
177 141 36 55.5 _bin/cxx-opt+bumproot/osh mut
192 112 80 56.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 140 68 47.1 osh-native mut+alloc
216 168 48 48.9 osh-native mut+alloc+free
181 110 71 8.5 osh-native mut+alloc+free+gc
180 116 64 8.7 osh-native mut+alloc+free+gc+exit
232 160 72 62.9 _bin/cxx-opt+nopool/osh mut+alloc
207 155 52 10.2 _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 -
19 12 8 4.5 bash -
18 13 5 3.5 zsh -
18 11 8 11.5 bumpleak/osh mut
20 17 4 12.1 _bin/cxx-opt+bumproot/osh mut
22 17 6 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 12 10 10.9 osh-native mut+alloc
22 14 9 10.9 osh-native mut+alloc+free
22 20 2 8.8 osh-native mut+alloc+free+gc
23 21 3 8.9 osh-native mut+alloc+free+gc+exit
25 15 10 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc