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 17.8 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 157 26 69 44.6 49.8 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 10 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 8.0 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 182 0 3 10.3 8.7 995,244 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,311 478 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
7 6 0 1.6 dash -
24 19 4 3.1 bash -
106 60 51 3.4 zsh -
17 13 3 29.4 bumpleak/osh mut
20 12 8 29.9 _bin/cxx-opt+bumproot/osh mut
23 11 11 28.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 15 15 25.2 osh-native mut+alloc
32 24 8 25.4 osh-native mut+alloc+free
36 35 0 17.8 osh-native mut+alloc+free+gc
37 33 4 18.0 osh-native mut+alloc+free+gc+exit
43 27 16 32.0 _bin/cxx-opt+nopool/osh mut+alloc
50 45 4 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 18 4 1.6 dash -
78 78 0 3.1 bash -
379 203 197 3.7 zsh -
49 45 4 83.8 bumpleak/osh mut
61 60 0 84.5 _bin/cxx-opt+bumproot/osh mut
71 58 12 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 55 43 73.4 osh-native mut+alloc
107 66 41 75.1 osh-native mut+alloc+free
157 132 24 49.8 osh-native mut+alloc+free+gc
165 124 40 50.6 osh-native mut+alloc+free+gc+exit
140 92 48 98.3 _bin/cxx-opt+nopool/osh mut+alloc
227 179 48 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 0 2 1.3 dash -
6 6 0 3.0 bash -
8 4 4 3.3 zsh -
6 6 0 11.2 bumpleak/osh mut
7 7 0 10.9 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 10.0 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
10 5 5 8.5 osh-native mut+alloc+free+gc
9 5 5 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.5 _bin/cxx-opt+nopool/osh mut+alloc
12 12 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
11 11 0 1.4 dash -
29 29 0 3.0 bash -
23 16 8 3.3 zsh -
20 8 12 32.6 bumpleak/osh mut
26 22 4 32.0 _bin/cxx-opt+bumproot/osh mut
28 24 4 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 25 12 26.2 osh-native mut+alloc
38 23 15 26.5 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
29 28 0 7.9 osh-native mut+alloc+free+gc+exit
55 35 20 35.9 _bin/cxx-opt+nopool/osh mut+alloc
38 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 72 0 3.1 bash -
169 109 60 54.8 bumpleak/osh mut
180 104 76 55.0 _bin/cxx-opt+bumproot/osh mut
192 140 52 56.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 149 61 46.9 osh-native mut+alloc
217 144 72 48.7 osh-native mut+alloc+free
182 126 55 8.7 osh-native mut+alloc+free+gc
182 118 63 8.8 osh-native mut+alloc+free+gc+exit
232 148 84 63.7 _bin/cxx-opt+nopool/osh mut+alloc
209 161 48 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 6 4 3.5 dash -
20 12 9 4.5 bash -
18 15 4 3.5 zsh -
20 15 6 12.6 bumpleak/osh mut
20 18 2 12.2 _bin/cxx-opt+bumproot/osh mut
21 19 3 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 10 11 10.9 osh-native mut+alloc
22 14 9 11.1 osh-native mut+alloc+free
23 11 12 8.9 osh-native mut+alloc+free+gc
23 14 10 9.0 osh-native mut+alloc+free+gc+exit
25 15 10 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 18 7 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc