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 38 4 11 12.0 17.7 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 175 28 85 46.1 51.6 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.3 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 2 2.6 8.0 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 186 0 4 10.6 8.4 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 23 1 2 2.8 8.8 116,289 478 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 1.4 dash -
24 23 0 3.1 bash -
106 60 53 3.3 zsh -
16 12 4 28.7 bumpleak/osh mut
20 20 0 28.9 _bin/cxx-opt+bumproot/osh mut
23 11 11 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 30 0 25.2 osh-native mut+alloc
32 12 20 25.4 osh-native mut+alloc+free
38 23 15 17.7 osh-native mut+alloc+free+gc
37 25 12 18.0 osh-native mut+alloc+free+gc+exit
44 32 12 32.0 _bin/cxx-opt+nopool/osh mut+alloc
51 35 16 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 1.4 dash -
77 73 4 3.1 bash -
381 234 168 3.4 zsh -
49 41 8 84.0 bumpleak/osh mut
60 52 8 84.6 _bin/cxx-opt+bumproot/osh mut
70 66 4 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 71 28 73.5 osh-native mut+alloc
108 72 36 75.4 osh-native mut+alloc+free
175 151 24 51.6 osh-native mut+alloc+free+gc
177 149 28 52.3 osh-native mut+alloc+free+gc+exit
142 91 51 98.5 _bin/cxx-opt+nopool/osh mut+alloc
242 197 44 72.4 _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 1.4 dash -
6 3 3 3.0 bash -
8 4 4 3.3 zsh -
6 0 6 10.4 bumpleak/osh mut
7 3 3 10.9 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.1 osh-native mut+alloc
9 5 5 10.1 osh-native mut+alloc+free
9 9 0 8.3 osh-native mut+alloc+free+gc
10 10 0 8.5 osh-native mut+alloc+free+gc+exit
12 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
12 8 4 1.4 dash -
30 25 4 3.0 bash -
24 16 8 3.1 zsh -
19 15 4 32.6 bumpleak/osh mut
25 21 4 33.1 _bin/cxx-opt+bumproot/osh mut
28 24 4 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 29 8 26.3 osh-native mut+alloc
39 27 12 26.6 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
29 25 4 8.0 osh-native mut+alloc+free+gc+exit
55 39 16 36.4 _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
75 74 0 3.1 bash -
169 108 60 54.7 bumpleak/osh mut
181 108 72 55.8 _bin/cxx-opt+bumproot/osh mut
196 132 64 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
217 132 84 47.2 osh-native mut+alloc
226 141 85 48.9 osh-native mut+alloc+free
186 142 44 8.4 osh-native mut+alloc+free+gc
184 120 64 8.5 osh-native mut+alloc+free+gc+exit
238 134 103 64.1 _bin/cxx-opt+nopool/osh mut+alloc
217 145 72 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 6 4 3.4 dash -
20 12 8 4.5 bash -
18 10 8 3.4 zsh -
19 9 10 11.4 bumpleak/osh mut
20 15 5 12.0 _bin/cxx-opt+bumproot/osh mut
23 20 4 13.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
23 11 12 11.0 osh-native mut+alloc
23 13 10 11.1 osh-native mut+alloc+free
23 16 7 8.8 osh-native mut+alloc+free+gc
24 15 9 9.0 osh-native mut+alloc+free+gc+exit
26 12 14 12.7 _bin/cxx-opt+nopool/osh mut+alloc
26 20 6 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc