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 17.7 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 154 24 64 44.6 50.0 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 28 0 1 2.4 7.9 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 182 0 3 10.3 8.7 995,244 12,911 21 50,000 0 3,834 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,311 270 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 3 3 1.4 dash -
23 23 0 2.9 bash -
105 52 59 3.4 zsh -
16 16 0 28.6 bumpleak/osh mut
20 20 0 30.3 _bin/cxx-opt+bumproot/osh mut
22 22 0 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 25 4 25.2 osh-native mut+alloc
32 20 12 25.6 osh-native mut+alloc+free
36 20 16 17.7 osh-native mut+alloc+free+gc
36 24 12 17.8 osh-native mut+alloc+free+gc+exit
44 20 24 32.6 _bin/cxx-opt+nopool/osh mut+alloc
49 40 8 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 -
78 74 4 3.1 bash -
372 181 213 3.5 zsh -
48 36 12 85.2 bumpleak/osh mut
59 43 16 84.7 _bin/cxx-opt+bumproot/osh mut
69 50 19 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 63 35 73.4 osh-native mut+alloc
106 78 27 75.4 osh-native mut+alloc+free
154 125 28 50.0 osh-native mut+alloc+free+gc
154 138 16 50.4 osh-native mut+alloc+free+gc+exit
141 82 58 98.6 _bin/cxx-opt+nopool/osh mut+alloc
218 190 28 68.4 _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 3 3 2.9 bash -
8 0 7 3.4 zsh -
6 6 0 12.1 bumpleak/osh mut
6 0 6 12.5 _bin/cxx-opt+bumproot/osh mut
7 7 0 10.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 10.1 osh-native mut+alloc
9 0 9 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.8 osh-native mut+alloc+free+gc+exit
11 11 0 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 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 -
29 28 0 3.0 bash -
24 20 4 3.3 zsh -
19 19 0 31.4 bumpleak/osh mut
26 26 0 32.6 _bin/cxx-opt+bumproot/osh mut
29 24 4 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 32 4 26.3 osh-native mut+alloc
38 33 4 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 20 8 7.9 osh-native mut+alloc+free+gc+exit
58 38 19 36.3 _bin/cxx-opt+nopool/osh mut+alloc
37 30 7 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 69 4 3.0 bash -
172 108 64 55.5 bumpleak/osh mut
180 100 80 54.4 _bin/cxx-opt+bumproot/osh mut
191 127 64 58.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 141 68 47.0 osh-native mut+alloc
215 150 65 48.7 osh-native mut+alloc+free
182 146 35 8.7 osh-native mut+alloc+free+gc
180 90 90 8.9 osh-native mut+alloc+free+gc+exit
231 147 83 62.2 _bin/cxx-opt+nopool/osh mut+alloc
209 140 68 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 5 5 3.4 dash -
20 16 4 4.5 bash -
18 17 1 3.4 zsh -
18 15 3 13.1 bumpleak/osh mut
19 14 5 13.7 _bin/cxx-opt+bumproot/osh mut
22 13 10 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 16 6 11.0 osh-native mut+alloc
22 21 2 11.1 osh-native mut+alloc+free
22 15 7 8.9 osh-native mut+alloc+free+gc
23 18 6 8.9 osh-native mut+alloc+free+gc+exit
25 11 14 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc