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 38 4 12 12.0 18.1 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 162 26 74 44.6 49.9 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 10 1 2 2.6 8.4 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 29 0 2 2.4 7.9 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 181 0 4 10.3 8.7 995,244 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 24 1 3 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
6 6 0 1.6 dash -
24 19 4 3.0 bash -
105 60 52 3.4 zsh -
17 16 0 29.7 bumpleak/osh mut
20 16 4 29.9 _bin/cxx-opt+bumproot/osh mut
23 15 8 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 11 19 25.0 osh-native mut+alloc
32 20 12 25.6 osh-native mut+alloc+free
38 30 8 18.1 osh-native mut+alloc+free+gc
40 39 0 18.0 osh-native mut+alloc+free+gc+exit
44 22 22 33.1 _bin/cxx-opt+nopool/osh mut+alloc
49 41 7 22.4 _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 1.4 dash -
78 74 4 3.1 bash -
380 232 170 3.5 zsh -
50 38 11 84.1 bumpleak/osh mut
60 52 8 85.9 _bin/cxx-opt+bumproot/osh mut
71 55 16 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 73 24 73.6 osh-native mut+alloc
108 80 28 75.4 osh-native mut+alloc+free
162 131 32 49.9 osh-native mut+alloc+free+gc
176 159 16 50.7 osh-native mut+alloc+free+gc+exit
140 92 48 97.7 _bin/cxx-opt+nopool/osh mut+alloc
223 183 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 0 2 1.4 dash -
6 3 3 3.0 bash -
8 4 4 3.4 zsh -
6 6 0 10.9 bumpleak/osh mut
7 7 0 11.0 _bin/cxx-opt+bumproot/osh mut
8 0 8 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.1 osh-native mut+alloc
9 0 9 10.0 osh-native mut+alloc+free
10 10 0 8.4 osh-native mut+alloc+free+gc
10 7 3 8.7 osh-native mut+alloc+free+gc+exit
12 12 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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
10 10 0 1.6 dash -
29 29 0 3.0 bash -
24 20 4 3.1 zsh -
19 15 4 31.1 bumpleak/osh mut
26 22 4 32.6 _bin/cxx-opt+bumproot/osh mut
29 21 8 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 28 8 26.3 osh-native mut+alloc
38 23 15 26.5 osh-native mut+alloc+free
29 24 4 7.9 osh-native mut+alloc+free+gc
29 21 7 7.9 osh-native mut+alloc+free+gc+exit
55 27 27 36.3 _bin/cxx-opt+nopool/osh mut+alloc
38 37 0 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 -
170 106 63 55.4 bumpleak/osh mut
184 128 56 55.9 _bin/cxx-opt+bumproot/osh mut
194 131 63 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 143 67 47.0 osh-native mut+alloc
220 148 72 48.7 osh-native mut+alloc+free
181 133 48 8.7 osh-native mut+alloc+free+gc
182 158 24 8.5 osh-native mut+alloc+free+gc+exit
235 160 76 63.2 _bin/cxx-opt+nopool/osh mut+alloc
211 159 52 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 2 3.5 dash -
20 19 2 4.3 bash -
18 18 1 3.5 zsh -
20 18 2 12.9 bumpleak/osh mut
20 9 11 13.5 _bin/cxx-opt+bumproot/osh mut
21 14 8 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 12 10 11.1 osh-native mut+alloc
23 14 9 11.1 osh-native mut+alloc+free
24 17 8 8.9 osh-native mut+alloc+free+gc
24 15 10 9.0 osh-native mut+alloc+free+gc+exit
25 17 9 12.7 _bin/cxx-opt+nopool/osh mut+alloc
27 21 7 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc