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 5 11 12.0 18.0 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 157 27 70 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 8.5 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 2 2.4 8.0 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 182 0 4 10.3 8.8 995,244 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 23 1 2 2.8 8.8 116,311 478 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 1.4 dash -
23 23 0 3.1 bash -
105 51 60 3.4 zsh -
17 12 4 28.1 bumpleak/osh mut
19 11 8 29.8 _bin/cxx-opt+bumproot/osh mut
23 19 4 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 23 8 25.2 osh-native mut+alloc
32 20 12 25.6 osh-native mut+alloc+free
38 34 4 18.0 osh-native mut+alloc+free+gc
39 23 15 18.0 osh-native mut+alloc+free+gc+exit
43 31 12 32.9 _bin/cxx-opt+nopool/osh mut+alloc
51 47 4 22.2 _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 -
78 78 0 3.1 bash -
377 234 165 3.7 zsh -
50 45 4 85.1 bumpleak/osh mut
58 51 8 85.4 _bin/cxx-opt+bumproot/osh mut
71 67 4 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 74 25 73.6 osh-native mut+alloc
109 76 32 75.3 osh-native mut+alloc+free
157 137 20 49.9 osh-native mut+alloc+free+gc
161 145 16 50.6 osh-native mut+alloc+free+gc+exit
140 72 68 98.9 _bin/cxx-opt+nopool/osh mut+alloc
219 183 36 68.3 _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 -
6 3 3 3.0 bash -
8 4 4 3.3 zsh -
6 6 0 11.0 bumpleak/osh mut
7 7 0 11.6 _bin/cxx-opt+bumproot/osh mut
7 7 0 10.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 5 5 8.5 osh-native mut+alloc+free+gc
9 5 5 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.6 _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 1.6 dash -
29 28 0 2.9 bash -
24 16 8 3.3 zsh -
19 19 0 31.4 bumpleak/osh mut
25 21 4 31.7 _bin/cxx-opt+bumproot/osh mut
29 24 4 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.2 osh-native mut+alloc
38 31 8 26.5 osh-native mut+alloc+free
28 18 11 8.0 osh-native mut+alloc+free+gc
29 24 4 8.0 osh-native mut+alloc+free+gc+exit
54 37 17 36.0 _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 69 4 3.1 bash -
168 108 60 54.5 bumpleak/osh mut
184 108 76 55.6 _bin/cxx-opt+bumproot/osh mut
193 137 56 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 145 64 47.0 osh-native mut+alloc
218 146 71 48.8 osh-native mut+alloc+free
182 131 51 8.8 osh-native mut+alloc+free+gc
179 127 52 8.8 osh-native mut+alloc+free+gc+exit
231 163 68 62.4 _bin/cxx-opt+nopool/osh mut+alloc
209 165 44 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 4 6 3.5 dash -
20 9 11 4.3 bash -
18 7 12 3.5 zsh -
20 8 12 12.8 bumpleak/osh mut
20 12 8 13.5 _bin/cxx-opt+bumproot/osh mut
22 16 6 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 8 14 11.0 osh-native mut+alloc
23 14 9 11.0 osh-native mut+alloc+free
23 12 12 8.8 osh-native mut+alloc+free+gc
23 22 2 8.7 osh-native mut+alloc+free+gc+exit
25 17 8 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 18 8 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc