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 10 12.0 18.1 476,691 1,282 6 408,764 5 204,382 osh-native
parse.configure-coreutils 155 25 68 46.1 51.4 1,653,279 4,764 12 1,069,130 6 798,646 osh-native
parse.abuild 9 1 1 2.6 8.5 101,882 180 2 75,106 1 37,553 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,147 31,810 12 50,000 0 2,829 osh-native
ex.bashcomp-parse-help 180 0 3 10.6 8.7 995,224 27,376 21 50,000 0 3,825 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,291 478 3 85,342 1 42,671 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.6 dash -
23 23 0 2.9 bash -
104 56 54 3.5 zsh -
16 16 0 28.5 bumpleak/osh mut
19 15 4 29.4 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 25.0 osh-native mut+alloc
31 27 4 25.4 osh-native mut+alloc+free
35 35 0 18.1 osh-native mut+alloc+free+gc
37 32 4 17.8 osh-native mut+alloc+free+gc+exit
43 30 13 32.7 _bin/cxx-opt+nopool/osh mut+alloc
50 41 8 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 1.4 dash -
79 79 0 3.1 bash -
379 203 197 3.4 zsh -
49 38 11 84.6 bumpleak/osh mut
60 44 16 84.6 _bin/cxx-opt+bumproot/osh mut
71 59 12 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 82 16 73.4 osh-native mut+alloc
115 87 28 75.1 osh-native mut+alloc+free
155 119 36 51.4 osh-native mut+alloc+free+gc
151 130 20 50.6 osh-native mut+alloc+free+gc+exit
139 99 40 99.3 _bin/cxx-opt+nopool/osh mut+alloc
225 192 32 73.1 _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 6 0 2.9 bash -
8 0 7 3.1 zsh -
6 6 0 11.1 bumpleak/osh mut
7 7 0 12.6 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 9.8 osh-native mut+alloc
9 9 0 9.8 osh-native mut+alloc+free
9 3 6 8.5 osh-native mut+alloc+free+gc
9 9 0 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.5 _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 1.4 dash -
28 28 0 3.0 bash -
24 19 4 3.3 zsh -
20 15 4 32.8 bumpleak/osh mut
26 22 4 32.3 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.2 osh-native mut+alloc
38 34 4 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 24 4 7.7 osh-native mut+alloc+free+gc+exit
55 43 12 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 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
72 68 4 3.1 bash -
168 96 72 55.7 bumpleak/osh mut
179 110 69 54.4 _bin/cxx-opt+bumproot/osh mut
194 126 67 55.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 153 57 47.0 osh-native mut+alloc
217 128 88 48.8 osh-native mut+alloc+free
180 124 56 8.7 osh-native mut+alloc+free+gc
179 95 84 8.8 osh-native mut+alloc+free+gc+exit
231 164 68 63.5 _bin/cxx-opt+nopool/osh mut+alloc
209 161 48 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 8 2 3.4 dash -
20 18 3 4.5 bash -
18 14 4 3.4 zsh -
20 8 12 12.2 bumpleak/osh mut
19 13 7 13.5 _bin/cxx-opt+bumproot/osh mut
20 12 9 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 7 14 10.7 osh-native mut+alloc
23 14 9 10.9 osh-native mut+alloc+free
22 16 6 8.9 osh-native mut+alloc+free+gc
23 13 10 8.9 osh-native mut+alloc+free+gc+exit
25 17 8 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 11 15 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc