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 35 3 9 12.0 17.8 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 145 22 58 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 7.6 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 181 0 3 10.3 8.5 995,244 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
7 7 0 1.6 dash -
23 23 0 3.0 bash -
104 48 62 3.4 zsh -
16 12 4 29.0 bumpleak/osh mut
19 16 4 30.3 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 12 25.2 osh-native mut+alloc
32 28 4 25.6 osh-native mut+alloc+free
35 26 9 17.8 osh-native mut+alloc+free+gc
35 35 0 18.0 osh-native mut+alloc+free+gc+exit
43 39 4 31.9 _bin/cxx-opt+nopool/osh mut+alloc
47 28 20 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 1.6 dash -
77 77 0 3.1 bash -
373 237 156 3.5 zsh -
48 36 12 85.6 bumpleak/osh mut
60 55 4 84.3 _bin/cxx-opt+bumproot/osh mut
70 61 8 85.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 59 40 73.4 osh-native mut+alloc
106 69 37 75.2 osh-native mut+alloc+free
145 128 16 49.9 osh-native mut+alloc+free+gc
150 129 20 50.7 osh-native mut+alloc+free+gc+exit
137 89 48 97.7 _bin/cxx-opt+nopool/osh mut+alloc
214 187 28 67.2 _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 6 0 3.0 bash -
8 4 4 3.3 zsh -
6 3 3 11.2 bumpleak/osh mut
6 6 0 12.4 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
8 4 4 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
11 0 11 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 8 4 9.6 _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 25 4 3.0 bash -
23 19 4 3.3 zsh -
19 19 0 30.9 bumpleak/osh mut
25 21 4 33.3 _bin/cxx-opt+bumproot/osh mut
29 29 0 31.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.1 osh-native mut+alloc
37 30 7 26.6 osh-native mut+alloc+free
28 24 4 7.6 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
53 45 8 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 9.3 _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 65 8 3.1 bash -
168 124 44 55.2 bumpleak/osh mut
179 131 48 55.6 _bin/cxx-opt+bumproot/osh mut
190 125 64 54.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 153 56 46.9 osh-native mut+alloc
219 179 40 48.7 osh-native mut+alloc+free
181 128 52 8.5 osh-native mut+alloc+free+gc
180 84 96 8.8 osh-native mut+alloc+free+gc+exit
231 139 91 64.0 _bin/cxx-opt+nopool/osh mut+alloc
207 167 40 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
9 10 0 3.4 dash -
19 19 0 4.2 bash -
17 13 6 3.4 zsh -
18 15 3 11.8 bumpleak/osh mut
21 19 2 13.2 _bin/cxx-opt+bumproot/osh mut
20 11 10 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 12 9 11.1 osh-native mut+alloc
21 13 9 11.0 osh-native mut+alloc+free
22 16 7 8.9 osh-native mut+alloc+free+gc
23 16 7 8.9 osh-native mut+alloc+free+gc+exit
24 11 14 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 18 7 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc