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 4 10 12.0 17.8 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 155 25 68 44.6 49.8 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 2 2.4 7.9 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 182 0 4 10.3 8.7 995,244 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 23 1 2 2.8 9.0 116,311 478 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 -
24 23 0 3.0 bash -
105 70 42 3.4 zsh -
16 12 4 30.5 bumpleak/osh mut
20 12 8 28.6 _bin/cxx-opt+bumproot/osh mut
23 15 7 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 26 4 25.3 osh-native mut+alloc
32 20 12 25.6 osh-native mut+alloc+free
36 32 4 17.8 osh-native mut+alloc+free+gc
38 23 15 17.8 osh-native mut+alloc+free+gc+exit
44 24 20 32.4 _bin/cxx-opt+nopool/osh mut+alloc
49 45 4 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
22 21 0 1.6 dash -
78 73 4 3.1 bash -
378 178 221 3.7 zsh -
50 42 8 85.6 bumpleak/osh mut
60 48 12 84.6 _bin/cxx-opt+bumproot/osh mut
70 45 25 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
101 77 24 73.4 osh-native mut+alloc
107 67 39 75.4 osh-native mut+alloc+free
155 139 16 49.8 osh-native mut+alloc+free+gc
163 147 16 50.4 osh-native mut+alloc+free+gc+exit
140 104 36 97.9 _bin/cxx-opt+nopool/osh mut+alloc
220 176 44 68.7 _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 10.0 bumpleak/osh mut
7 4 4 12.1 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.0 osh-native mut+alloc
9 3 6 10.1 osh-native mut+alloc+free
9 4 4 8.4 osh-native mut+alloc+free+gc
9 6 3 8.5 osh-native mut+alloc+free+gc+exit
11 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 6 6 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 7 3 1.6 dash -
29 28 0 2.9 bash -
23 19 4 3.3 zsh -
20 16 4 31.6 bumpleak/osh mut
26 22 4 32.8 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 11 25 26.3 osh-native mut+alloc
38 26 11 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
29 28 0 7.9 osh-native mut+alloc+free+gc+exit
55 31 23 36.0 _bin/cxx-opt+nopool/osh mut+alloc
38 38 0 9.5 _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 -
169 109 60 55.2 bumpleak/osh mut
181 137 44 54.7 _bin/cxx-opt+bumproot/osh mut
196 131 64 55.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 138 71 47.0 osh-native mut+alloc
217 142 75 48.7 osh-native mut+alloc+free
182 130 51 8.7 osh-native mut+alloc+free+gc
180 144 36 8.5 osh-native mut+alloc+free+gc+exit
231 147 83 64.0 _bin/cxx-opt+nopool/osh mut+alloc
209 156 52 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 2 3.4 dash -
20 18 2 4.5 bash -
18 17 1 3.5 zsh -
19 12 7 12.4 bumpleak/osh mut
20 12 8 12.6 _bin/cxx-opt+bumproot/osh mut
20 14 7 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 14 8 10.9 osh-native mut+alloc
22 12 10 11.1 osh-native mut+alloc+free
23 16 7 9.0 osh-native mut+alloc+free+gc
23 22 2 9.0 osh-native mut+alloc+free+gc+exit
25 18 7 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 25 0 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc