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 42 7 15 12.0 18.0 476,691 1,282 6 408,764 5 204,382 osh-native
parse.configure-coreutils 190 29 97 46.1 51.4 1,653,279 4,764 12 1,069,130 6 798,646 osh-native
parse.abuild 11 1 2 2.6 8.4 101,882 180 2 75,106 1 37,553 osh-native
ex.compute-fib 29 0 2 2.6 7.9 584,147 31,810 12 50,000 0 2,829 osh-native
ex.bashcomp-parse-help 187 0 5 10.6 8.7 995,224 27,376 21 50,000 0 3,825 osh-native
ex.abuild-print-help 24 1 2 2.8 8.7 116,291 478 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 3 3 1.6 dash -
24 24 0 3.0 bash -
110 64 52 3.4 zsh -
17 13 4 27.9 bumpleak/osh mut
20 16 4 30.2 _bin/cxx-opt+bumproot/osh mut
23 15 8 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 27 4 25.0 osh-native mut+alloc
35 19 15 25.7 osh-native mut+alloc+free
42 38 4 18.0 osh-native mut+alloc+free+gc
40 27 12 18.0 osh-native mut+alloc+free+gc+exit
44 36 8 33.1 _bin/cxx-opt+nopool/osh mut+alloc
58 53 4 22.0 _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 22 0 1.6 dash -
78 78 0 3.3 bash -
390 211 202 3.4 zsh -
50 42 8 85.3 bumpleak/osh mut
62 62 0 85.2 _bin/cxx-opt+bumproot/osh mut
71 52 20 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
102 61 41 73.4 osh-native mut+alloc
109 66 43 75.3 osh-native mut+alloc+free
190 165 24 51.4 osh-native mut+alloc+free+gc
198 161 36 50.6 osh-native mut+alloc+free+gc+exit
142 105 36 97.9 _bin/cxx-opt+nopool/osh mut+alloc
270 246 24 74.3 _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 0 2 1.3 dash -
6 3 3 2.8 bash -
8 4 4 3.3 zsh -
6 3 3 11.0 bumpleak/osh mut
7 4 4 10.9 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.1 osh-native mut+alloc
9 0 9 10.1 osh-native mut+alloc+free
11 7 3 8.4 osh-native mut+alloc+free+gc
10 10 0 8.7 osh-native mut+alloc+free+gc+exit
13 12 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 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
11 7 4 1.4 dash -
29 29 0 3.0 bash -
25 16 8 3.1 zsh -
20 20 0 31.7 bumpleak/osh mut
26 21 4 33.2 _bin/cxx-opt+bumproot/osh mut
29 24 4 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 25 12 26.5 osh-native mut+alloc
40 27 12 26.6 osh-native mut+alloc+free
29 21 7 7.9 osh-native mut+alloc+free+gc
29 21 7 8.0 osh-native mut+alloc+free+gc+exit
55 47 8 36.1 _bin/cxx-opt+nopool/osh mut+alloc
38 38 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
75 70 4 3.1 bash -
171 110 61 55.7 bumpleak/osh mut
180 128 52 54.9 _bin/cxx-opt+bumproot/osh mut
197 120 76 56.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
214 107 107 47.0 osh-native mut+alloc
226 163 64 48.8 osh-native mut+alloc+free
187 143 44 8.7 osh-native mut+alloc+free+gc
188 128 60 8.8 osh-native mut+alloc+free+gc+exit
235 163 71 63.6 _bin/cxx-opt+nopool/osh mut+alloc
231 178 53 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
11 8 3 3.5 dash -
21 18 3 4.5 bash -
19 14 5 3.5 zsh -
20 11 9 12.0 bumpleak/osh mut
22 19 4 12.3 _bin/cxx-opt+bumproot/osh mut
21 13 9 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 16 6 10.9 osh-native mut+alloc
25 23 3 10.9 osh-native mut+alloc+free
24 18 7 8.7 osh-native mut+alloc+free+gc
24 17 8 8.8 osh-native mut+alloc+free+gc+exit
26 11 15 12.6 _bin/cxx-opt+nopool/osh mut+alloc
28 15 13 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc