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 4 10 12.0 17.8 476,691 1,282 6 408,764 5 204,382 osh-native
parse.configure-coreutils 147 23 60 46.1 51.4 1,653,279 4,764 12 1,069,130 6 798,646 osh-native
parse.abuild 8 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 7.7 584,147 31,810 12 50,000 0 2,829 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.8 995,224 27,376 21 50,000 0 3,825 osh-native
ex.abuild-print-help 23 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 1.4 dash -
23 19 4 3.0 bash -
104 72 40 3.4 zsh -
16 12 4 29.3 bumpleak/osh mut
19 15 4 29.6 _bin/cxx-opt+bumproot/osh mut
22 18 4 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 18 11 24.9 osh-native mut+alloc
31 23 8 25.4 osh-native mut+alloc+free
35 35 0 17.8 osh-native mut+alloc+free+gc
37 36 0 17.8 osh-native mut+alloc+free+gc+exit
43 39 4 32.3 _bin/cxx-opt+nopool/osh mut+alloc
46 42 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 78 0 3.1 bash -
375 217 179 3.5 zsh -
48 40 8 85.5 bumpleak/osh mut
60 40 20 86.0 _bin/cxx-opt+bumproot/osh mut
69 46 23 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 40 56 73.4 osh-native mut+alloc
105 72 32 75.3 osh-native mut+alloc+free
147 135 12 51.4 osh-native mut+alloc+free+gc
146 130 16 50.6 osh-native mut+alloc+free+gc+exit
137 90 47 97.8 _bin/cxx-opt+nopool/osh mut+alloc
205 177 28 72.3 _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 6 0 2.8 bash -
8 4 4 3.3 zsh -
5 0 5 11.8 bumpleak/osh mut
6 6 0 11.0 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
8 0 8 10.1 osh-native mut+alloc+free
8 9 0 8.5 osh-native mut+alloc+free+gc
9 4 4 8.7 osh-native mut+alloc+free+gc+exit
11 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 7 4 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 10 0 1.3 dash -
29 29 0 3.0 bash -
23 19 4 3.3 zsh -
19 19 0 31.8 bumpleak/osh mut
26 21 4 32.8 _bin/cxx-opt+bumproot/osh mut
28 28 0 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.3 osh-native mut+alloc
37 30 7 26.6 osh-native mut+alloc+free
28 24 4 7.7 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
54 37 17 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 37 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
72 68 4 3.0 bash -
167 91 75 55.7 bumpleak/osh mut
178 121 56 54.7 _bin/cxx-opt+bumproot/osh mut
193 128 64 56.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 121 89 47.1 osh-native mut+alloc
218 142 75 48.9 osh-native mut+alloc+free
181 141 40 8.8 osh-native mut+alloc+free+gc
180 144 36 8.8 osh-native mut+alloc+free+gc+exit
231 146 85 63.7 _bin/cxx-opt+nopool/osh mut+alloc
205 149 56 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 7 3 3.5 dash -
19 14 5 4.2 bash -
18 6 12 3.4 zsh -
19 13 6 12.0 bumpleak/osh mut
21 19 3 13.3 _bin/cxx-opt+bumproot/osh mut
20 19 2 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 11 11 10.7 osh-native mut+alloc
22 18 5 10.9 osh-native mut+alloc+free
23 12 11 8.9 osh-native mut+alloc+free+gc
23 12 12 8.8 osh-native mut+alloc+free+gc+exit
25 15 10 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc