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 37 4 10 12.0 17.8 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 159 26 71 44.6 49.7 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 29 0 1 2.4 7.9 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 182 0 4 10.3 8.7 995,244 12,911 21 50,000 0 3,834 osh-native
ex.abuild-print-help 23 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 -
24 20 4 3.1 bash -
105 56 56 3.3 zsh -
17 12 4 29.5 bumpleak/osh mut
20 20 0 29.8 _bin/cxx-opt+bumproot/osh mut
23 22 0 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 25.0 osh-native mut+alloc
33 21 12 25.4 osh-native mut+alloc+free
37 37 0 17.8 osh-native mut+alloc+free+gc
38 34 4 18.0 osh-native mut+alloc+free+gc+exit
44 24 20 32.1 _bin/cxx-opt+nopool/osh mut+alloc
56 44 12 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
22 21 0 1.6 dash -
79 75 4 3.1 bash -
381 201 202 3.4 zsh -
48 44 4 85.7 bumpleak/osh mut
60 56 4 84.5 _bin/cxx-opt+bumproot/osh mut
70 66 4 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 67 31 73.4 osh-native mut+alloc
106 65 41 75.3 osh-native mut+alloc+free
159 143 16 49.7 osh-native mut+alloc+free+gc
164 128 36 50.4 osh-native mut+alloc+free+gc+exit
140 96 44 98.1 _bin/cxx-opt+nopool/osh mut+alloc
240 224 16 67.7 _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 1.4 dash -
6 6 0 2.9 bash -
8 4 4 3.3 zsh -
6 0 6 10.8 bumpleak/osh mut
8 7 0 12.1 _bin/cxx-opt+bumproot/osh mut
8 0 8 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.0 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 6 3 8.5 osh-native mut+alloc+free+gc
10 5 5 8.4 osh-native mut+alloc+free+gc+exit
12 0 12 11.3 _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 10 0 1.4 dash -
28 24 4 3.0 bash -
24 20 4 3.1 zsh -
20 16 4 31.8 bumpleak/osh mut
27 15 12 32.9 _bin/cxx-opt+bumproot/osh mut
29 25 4 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 29 8 26.3 osh-native mut+alloc
40 28 12 26.3 osh-native mut+alloc+free
29 24 4 7.9 osh-native mut+alloc+free+gc
30 29 0 7.7 osh-native mut+alloc+free+gc+exit
55 51 4 35.9 _bin/cxx-opt+nopool/osh mut+alloc
40 36 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
72 64 8 3.3 bash -
170 105 65 55.3 bumpleak/osh mut
181 116 64 54.8 _bin/cxx-opt+bumproot/osh mut
192 136 56 55.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 125 85 47.0 osh-native mut+alloc
223 147 76 48.7 osh-native mut+alloc+free
182 138 45 8.7 osh-native mut+alloc+free+gc
194 119 75 8.8 osh-native mut+alloc+free+gc+exit
233 136 96 64.4 _bin/cxx-opt+nopool/osh mut+alloc
216 140 76 9.9 _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 9 2 3.5 dash -
20 15 5 4.5 bash -
18 15 4 3.4 zsh -
20 7 13 12.3 bumpleak/osh mut
20 15 6 12.5 _bin/cxx-opt+bumproot/osh mut
21 13 8 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 11 12 10.9 osh-native mut+alloc
23 15 9 11.1 osh-native mut+alloc+free
23 16 7 8.9 osh-native mut+alloc+free+gc
23 17 7 8.8 osh-native mut+alloc+free+gc+exit
26 12 14 12.7 _bin/cxx-opt+nopool/osh mut+alloc
26 15 11 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc