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 3 9 12.0 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 159 26 72 46.1 51.3 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.4 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 29 0 1 2.6 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 180 0 4 10.6 8.7 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,289 478 3 85,334 1 42,667 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 3.1 bash -
106 58 54 3.4 zsh -
17 10 7 29.3 bumpleak/osh mut
20 16 4 29.9 _bin/cxx-opt+bumproot/osh mut
22 17 4 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 25.2 osh-native mut+alloc
32 24 8 25.6 osh-native mut+alloc+free
36 32 4 18.0 osh-native mut+alloc+free+gc
36 32 4 18.1 osh-native mut+alloc+free+gc+exit
43 31 12 32.2 _bin/cxx-opt+nopool/osh mut+alloc
49 37 12 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 1.6 dash -
78 78 0 3.1 bash -
379 197 204 3.5 zsh -
49 41 7 84.3 bumpleak/osh mut
61 48 12 84.6 _bin/cxx-opt+bumproot/osh mut
71 58 12 84.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 65 33 73.4 osh-native mut+alloc
106 75 31 75.4 osh-native mut+alloc+free
159 135 24 51.3 osh-native mut+alloc+free+gc
158 122 35 52.2 osh-native mut+alloc+free+gc+exit
137 92 44 99.1 _bin/cxx-opt+nopool/osh mut+alloc
217 185 32 72.1 _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 1.4 dash -
6 3 3 2.9 bash -
8 4 4 3.3 zsh -
6 0 6 11.4 bumpleak/osh mut
7 7 0 11.1 _bin/cxx-opt+bumproot/osh mut
8 4 4 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.1 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 4 4 8.4 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 12 0 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 8 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
11 10 0 1.4 dash -
29 29 0 2.9 bash -
24 16 8 3.4 zsh -
18 14 5 31.2 bumpleak/osh mut
26 26 0 32.7 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 20 16 26.5 osh-native mut+alloc
40 27 12 26.6 osh-native mut+alloc+free
29 28 0 7.9 osh-native mut+alloc+free+gc
29 24 4 7.9 osh-native mut+alloc+free+gc+exit
53 37 16 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 33 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
73 64 8 3.1 bash -
169 110 59 54.4 bumpleak/osh mut
180 120 60 54.9 _bin/cxx-opt+bumproot/osh mut
195 135 60 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 148 64 47.1 osh-native mut+alloc
218 139 79 48.9 osh-native mut+alloc+free
180 128 52 8.7 osh-native mut+alloc+free+gc
182 126 55 8.7 osh-native mut+alloc+free+gc+exit
231 126 105 64.1 _bin/cxx-opt+nopool/osh mut+alloc
210 142 67 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 9 2 3.4 dash -
20 15 6 4.5 bash -
18 12 6 3.4 zsh -
20 7 13 12.5 bumpleak/osh mut
20 17 3 11.7 _bin/cxx-opt+bumproot/osh mut
21 14 7 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 18 5 10.7 osh-native mut+alloc
23 19 4 11.0 osh-native mut+alloc+free
23 19 5 8.9 osh-native mut+alloc+free+gc
23 11 13 8.8 osh-native mut+alloc+free+gc+exit
26 15 11 12.4 _bin/cxx-opt+nopool/osh mut+alloc
27 17 10 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc