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 10 12.0 17.7 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 142 22 57 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 8.4 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 1 2.4 7.9 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 181 0 3 10.3 8.8 995,244 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 22 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
6 6 0 1.6 dash -
23 19 4 2.9 bash -
104 61 48 3.4 zsh -
16 12 4 27.8 bumpleak/osh mut
20 8 12 28.8 _bin/cxx-opt+bumproot/osh mut
22 9 13 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 26 4 25.2 osh-native mut+alloc
31 23 8 25.6 osh-native mut+alloc+free
36 28 8 17.7 osh-native mut+alloc+free+gc
36 28 8 18.0 osh-native mut+alloc+free+gc+exit
43 35 8 33.1 _bin/cxx-opt+nopool/osh mut+alloc
47 43 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
25 25 0 1.4 dash -
77 77 0 3.1 bash -
381 226 176 3.5 zsh -
49 36 12 85.8 bumpleak/osh mut
59 50 8 84.8 _bin/cxx-opt+bumproot/osh mut
72 68 4 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 74 23 73.3 osh-native mut+alloc
106 86 20 75.3 osh-native mut+alloc+free
142 130 12 49.9 osh-native mut+alloc+free+gc
152 131 20 50.7 osh-native mut+alloc+free+gc+exit
139 75 63 98.8 _bin/cxx-opt+nopool/osh mut+alloc
201 169 31 66.7 _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 3 3 3.0 bash -
8 8 0 3.3 zsh -
6 6 0 12.3 bumpleak/osh mut
6 6 0 10.8 _bin/cxx-opt+bumproot/osh mut
7 3 3 10.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
8 0 8 10.1 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 3 6 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 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 1.4 dash -
29 24 4 2.9 bash -
24 16 8 3.4 zsh -
19 5 14 30.7 bumpleak/osh mut
25 21 4 31.7 _bin/cxx-opt+bumproot/osh mut
29 25 4 31.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.1 osh-native mut+alloc
38 19 19 26.3 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
56 36 20 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 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 69 4 3.0 bash -
170 102 67 53.8 bumpleak/osh mut
179 142 37 56.0 _bin/cxx-opt+bumproot/osh mut
191 115 75 55.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 134 75 47.0 osh-native mut+alloc
217 137 80 48.7 osh-native mut+alloc+free
181 120 60 8.8 osh-native mut+alloc+free+gc
180 116 64 8.8 osh-native mut+alloc+free+gc+exit
231 170 61 62.8 _bin/cxx-opt+nopool/osh mut+alloc
207 147 60 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 1 3.5 dash -
19 12 8 4.5 bash -
18 9 9 3.4 zsh -
20 13 6 12.1 bumpleak/osh mut
19 14 5 12.0 _bin/cxx-opt+bumproot/osh mut
20 15 6 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 19 3 10.9 osh-native mut+alloc
22 17 5 11.1 osh-native mut+alloc+free
22 11 11 8.9 osh-native mut+alloc+free+gc
23 18 6 8.9 osh-native mut+alloc+free+gc+exit
24 7 18 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 17 9 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc