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 18.0 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 149 25 62 44.6 49.9 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 11 1 2 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 180 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 6 0 1.4 dash -
23 19 4 3.1 bash -
111 59 59 3.3 zsh -
16 12 4 28.7 bumpleak/osh mut
19 15 4 28.8 _bin/cxx-opt+bumproot/osh mut
23 18 4 28.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.2 osh-native mut+alloc
32 12 20 25.4 osh-native mut+alloc+free
36 24 12 18.0 osh-native mut+alloc+free+gc
36 32 4 18.0 osh-native mut+alloc+free+gc+exit
44 28 16 33.3 _bin/cxx-opt+nopool/osh mut+alloc
48 48 0 21.9 _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
22 22 0 1.4 dash -
78 78 0 3.0 bash -
406 254 173 3.5 zsh -
50 37 12 84.6 bumpleak/osh mut
60 53 8 85.0 _bin/cxx-opt+bumproot/osh mut
72 68 4 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 70 29 73.6 osh-native mut+alloc
109 76 32 75.3 osh-native mut+alloc+free
149 141 8 49.9 osh-native mut+alloc+free+gc
153 126 27 50.6 osh-native mut+alloc+free+gc+exit
142 78 63 98.5 _bin/cxx-opt+nopool/osh mut+alloc
206 182 24 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 2 0 1.4 dash -
7 7 0 3.0 bash -
8 4 4 3.3 zsh -
6 6 0 12.0 bumpleak/osh mut
7 0 7 11.3 _bin/cxx-opt+bumproot/osh mut
7 7 0 10.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 10.1 osh-native mut+alloc
10 5 5 10.1 osh-native mut+alloc+free
11 6 6 8.5 osh-native mut+alloc+free+gc
9 4 4 8.4 osh-native mut+alloc+free+gc+exit
12 0 12 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 4 8 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
11 11 0 1.4 dash -
29 28 0 3.0 bash -
24 19 4 3.3 zsh -
19 19 0 31.3 bumpleak/osh mut
25 21 4 33.4 _bin/cxx-opt+bumproot/osh mut
29 25 4 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.2 osh-native mut+alloc
38 17 21 26.3 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
54 35 19 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
75 70 4 3.1 bash -
170 117 52 55.7 bumpleak/osh mut
179 151 28 55.9 _bin/cxx-opt+bumproot/osh mut
195 166 28 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 127 83 47.0 osh-native mut+alloc
219 147 71 48.7 osh-native mut+alloc+free
180 127 52 8.7 osh-native mut+alloc+free+gc
180 136 44 8.7 osh-native mut+alloc+free+gc+exit
231 135 95 63.2 _bin/cxx-opt+nopool/osh mut+alloc
209 132 76 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 -
20 10 10 4.5 bash -
18 9 10 3.5 zsh -
20 17 3 12.4 bumpleak/osh mut
20 11 9 12.2 _bin/cxx-opt+bumproot/osh mut
20 12 9 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 7 15 10.9 osh-native mut+alloc
22 17 6 11.1 osh-native mut+alloc+free
22 12 11 8.9 osh-native mut+alloc+free+gc
23 16 8 8.9 osh-native mut+alloc+free+gc+exit
25 17 8 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 21 4 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc