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 17.8 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 156 25 68 46.1 51.7 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 9 1 1 2.6 8.4 101,875 180 2 75,096 1 37,548 osh-native
ex.compute-fib 28 0 1 2.6 8.0 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 182 0 3 10.6 8.8 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,284 478 3 85,332 1 42,666 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 -
103 60 50 3.3 zsh -
16 8 8 28.9 bumpleak/osh mut
20 16 4 29.9 _bin/cxx-opt+bumproot/osh mut
22 15 7 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.0 osh-native mut+alloc
32 24 8 25.6 osh-native mut+alloc+free
36 36 0 17.8 osh-native mut+alloc+free+gc
36 28 8 17.8 osh-native mut+alloc+free+gc+exit
43 20 24 32.2 _bin/cxx-opt+nopool/osh mut+alloc
49 37 12 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 21 0 1.6 dash -
78 74 4 3.1 bash -
375 230 166 3.5 zsh -
49 45 4 85.9 bumpleak/osh mut
60 36 24 84.7 _bin/cxx-opt+bumproot/osh mut
69 61 8 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 70 27 73.4 osh-native mut+alloc
104 80 24 75.2 osh-native mut+alloc+free
156 112 44 51.7 osh-native mut+alloc+free+gc
159 134 24 52.2 osh-native mut+alloc+free+gc+exit
138 83 55 99.1 _bin/cxx-opt+nopool/osh mut+alloc
233 181 51 73.9 _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 2 0 1.4 dash -
6 3 3 3.0 bash -
8 8 0 3.3 zsh -
6 0 6 10.4 bumpleak/osh mut
6 6 0 11.0 _bin/cxx-opt+bumproot/osh mut
8 0 8 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
8 8 0 10.1 osh-native mut+alloc+free
9 4 4 8.4 osh-native mut+alloc+free+gc
9 4 4 8.4 osh-native mut+alloc+free+gc+exit
12 12 0 11.3 _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 1.4 dash -
28 24 4 2.8 bash -
23 16 8 3.4 zsh -
19 18 0 30.9 bumpleak/osh mut
25 25 0 31.9 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.3 osh-native mut+alloc
38 27 11 26.7 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
53 28 24 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 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 3.1 bash -
171 122 49 55.2 bumpleak/osh mut
177 129 48 55.1 _bin/cxx-opt+bumproot/osh mut
193 160 32 56.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 143 67 46.9 osh-native mut+alloc
218 119 99 48.8 osh-native mut+alloc+free
182 130 51 8.8 osh-native mut+alloc+free+gc
180 120 60 8.7 osh-native mut+alloc+free+gc+exit
229 145 84 63.6 _bin/cxx-opt+nopool/osh mut+alloc
209 173 36 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 3.7 dash -
20 14 6 4.5 bash -
18 10 9 3.4 zsh -
18 15 4 11.3 bumpleak/osh mut
21 10 11 12.6 _bin/cxx-opt+bumproot/osh mut
21 13 8 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 13 9 10.7 osh-native mut+alloc
22 15 8 11.0 osh-native mut+alloc+free
22 16 7 8.8 osh-native mut+alloc+free+gc
23 11 12 8.8 osh-native mut+alloc+free+gc+exit
25 17 8 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 20 6 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc