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 18.0 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 150 25 63 46.1 51.4 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 7.9 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 180 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 8.9 116,284 478 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 1.4 dash -
23 15 8 2.9 bash -
105 79 32 3.4 zsh -
16 16 0 29.7 bumpleak/osh mut
19 19 0 29.0 _bin/cxx-opt+bumproot/osh mut
22 15 7 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.2 osh-native mut+alloc
31 16 16 25.6 osh-native mut+alloc+free
35 31 4 18.0 osh-native mut+alloc+free+gc
36 28 8 18.0 osh-native mut+alloc+free+gc+exit
43 27 16 33.4 _bin/cxx-opt+nopool/osh mut+alloc
49 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 21 0 1.6 dash -
77 73 4 3.1 bash -
373 204 190 3.4 zsh -
49 41 8 85.5 bumpleak/osh mut
61 57 4 85.8 _bin/cxx-opt+bumproot/osh mut
73 60 12 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 77 20 73.4 osh-native mut+alloc
105 80 24 75.3 osh-native mut+alloc+free
150 134 16 51.4 osh-native mut+alloc+free+gc
158 134 24 52.2 osh-native mut+alloc+free+gc+exit
139 94 45 99.5 _bin/cxx-opt+nopool/osh mut+alloc
220 184 36 71.4 _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 2.9 bash -
8 7 0 3.3 zsh -
6 0 6 10.9 bumpleak/osh mut
7 7 0 11.9 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 9.8 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 3 6 8.4 osh-native mut+alloc+free+gc
9 4 4 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 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
11 7 4 1.6 dash -
29 29 0 3.0 bash -
24 12 12 3.3 zsh -
19 11 7 31.6 bumpleak/osh mut
25 21 4 31.8 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 22 14 26.3 osh-native mut+alloc
38 23 15 26.6 osh-native mut+alloc+free
28 27 0 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
55 39 16 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 29 8 9.3 _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 68 4 3.1 bash -
167 115 51 54.1 bumpleak/osh mut
180 140 40 56.0 _bin/cxx-opt+bumproot/osh mut
193 138 55 56.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 129 81 47.1 osh-native mut+alloc
217 158 59 48.9 osh-native mut+alloc+free
180 96 84 8.8 osh-native mut+alloc+free+gc
181 132 48 8.5 osh-native mut+alloc+free+gc+exit
228 164 64 63.8 _bin/cxx-opt+nopool/osh mut+alloc
209 157 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 8 2 3.5 dash -
20 14 7 4.2 bash -
18 10 8 3.5 zsh -
19 12 7 12.3 bumpleak/osh mut
22 11 10 13.3 _bin/cxx-opt+bumproot/osh mut
21 14 8 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 7 10.9 osh-native mut+alloc
23 16 7 10.7 osh-native mut+alloc+free
22 13 10 8.9 osh-native mut+alloc+free+gc
23 17 6 8.8 osh-native mut+alloc+free+gc+exit
25 22 3 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 16 10 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc