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 18.0 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 150 24 64 44.6 49.9 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 9 1 1 2.6 8.5 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 595 0 2 2.4 8.1 908,191 22,608 19 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 182 0 3 10.3 8.8 995,628 12,911 21 50,000 0 3,835 osh-native
ex.abuild-print-help 22 1 2 2.8 9.0 116,311 270 3 85,370 1 42,685 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 -
24 20 4 3.0 bash -
104 65 47 3.4 zsh -
16 12 4 29.3 bumpleak/osh mut
19 11 7 29.3 _bin/cxx-opt+bumproot/osh mut
23 8 15 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.0 osh-native mut+alloc
32 20 12 25.4 osh-native mut+alloc+free
36 27 8 18.0 osh-native mut+alloc+free+gc
37 29 8 18.1 osh-native mut+alloc+free+gc+exit
44 24 20 32.0 _bin/cxx-opt+nopool/osh mut+alloc
48 48 0 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
21 21 0 1.4 dash -
78 77 0 3.3 bash -
372 211 181 3.7 zsh -
48 44 4 85.4 bumpleak/osh mut
58 54 4 85.9 _bin/cxx-opt+bumproot/osh mut
70 53 16 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 65 32 73.5 osh-native mut+alloc
106 85 20 75.1 osh-native mut+alloc+free
150 115 36 49.9 osh-native mut+alloc+free+gc
154 134 20 50.6 osh-native mut+alloc+free+gc+exit
140 87 52 98.3 _bin/cxx-opt+nopool/osh mut+alloc
211 172 40 67.4 _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 1.3 dash -
6 6 0 3.0 bash -
8 8 0 3.3 zsh -
7 3 3 11.6 bumpleak/osh mut
7 0 6 12.7 _bin/cxx-opt+bumproot/osh mut
7 4 4 14.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 10.2 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 3 6 8.5 osh-native mut+alloc+free+gc
9 5 5 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.4 _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 11 0 1.4 dash -
29 29 0 3.0 bash -
24 16 8 3.4 zsh -
713 708 4 47.5 bumpleak/osh mut
700 696 4 47.8 _bin/cxx-opt+bumproot/osh mut
614 610 4 48.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
662 634 28 37.7 osh-native mut+alloc
666 642 24 38.0 osh-native mut+alloc+free
595 595 0 8.1 osh-native mut+alloc+free+gc
596 595 0 7.9 osh-native mut+alloc+free+gc+exit
717 689 28 55.4 _bin/cxx-opt+nopool/osh mut+alloc
631 627 4 9.8 _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 57 15 3.0 bash -
168 128 40 54.4 bumpleak/osh mut
179 123 56 56.3 _bin/cxx-opt+bumproot/osh mut
194 134 59 55.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 155 56 47.0 osh-native mut+alloc
219 155 64 48.9 osh-native mut+alloc+free
182 137 44 8.8 osh-native mut+alloc+free+gc
185 144 40 8.8 osh-native mut+alloc+free+gc+exit
230 155 75 64.0 _bin/cxx-opt+nopool/osh mut+alloc
208 144 64 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 10 10 4.5 bash -
18 13 5 3.4 zsh -
18 13 5 11.7 bumpleak/osh mut
19 16 3 13.5 _bin/cxx-opt+bumproot/osh mut
20 12 9 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 19 3 10.9 osh-native mut+alloc
22 19 4 11.0 osh-native mut+alloc+free
22 15 7 9.0 osh-native mut+alloc+free+gc
23 16 7 8.9 osh-native mut+alloc+free+gc+exit
24 16 9 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 14 11 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc