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 5 11 12.0 17.8 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 192 32 100 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 191 0 4 10.6 8.5 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 24 1 2 2.8 8.7 116,289 478 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 3 3 1.6 dash -
23 23 0 3.0 bash -
108 70 44 3.3 zsh -
17 17 0 28.4 bumpleak/osh mut
20 16 4 29.6 _bin/cxx-opt+bumproot/osh mut
23 18 4 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 22 9 25.2 osh-native mut+alloc
32 16 16 25.6 osh-native mut+alloc+free
38 29 8 17.8 osh-native mut+alloc+free+gc
37 33 4 18.1 osh-native mut+alloc+free+gc+exit
44 24 20 32.6 _bin/cxx-opt+nopool/osh mut+alloc
53 42 11 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 22 0 1.3 dash -
78 78 0 3.1 bash -
382 222 181 3.5 zsh -
49 49 0 85.3 bumpleak/osh mut
60 48 12 84.6 _bin/cxx-opt+bumproot/osh mut
71 55 16 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
100 64 36 73.2 osh-native mut+alloc
108 76 32 75.3 osh-native mut+alloc+free
192 172 20 51.6 osh-native mut+alloc+free+gc
200 180 20 52.4 osh-native mut+alloc+free+gc+exit
143 110 33 98.6 _bin/cxx-opt+nopool/osh mut+alloc
273 249 24 72.9 _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 3.0 bash -
8 0 8 3.3 zsh -
7 3 3 11.7 bumpleak/osh mut
7 0 7 11.4 _bin/cxx-opt+bumproot/osh mut
8 8 0 11.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.0 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 5 5 8.3 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.3 _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 1.4 dash -
28 28 0 3.0 bash -
24 16 8 3.1 zsh -
19 15 4 32.1 bumpleak/osh mut
26 15 11 32.8 _bin/cxx-opt+bumproot/osh mut
28 20 8 33.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 25 12 26.3 osh-native mut+alloc
39 31 8 26.7 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
55 38 17 36.1 _bin/cxx-opt+nopool/osh mut+alloc
38 34 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 66 8 3.1 bash -
167 106 61 55.4 bumpleak/osh mut
181 126 55 56.4 _bin/cxx-opt+bumproot/osh mut
200 116 84 56.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
214 155 59 47.1 osh-native mut+alloc
220 167 52 48.9 osh-native mut+alloc+free
191 102 87 8.5 osh-native mut+alloc+free+gc
183 143 40 8.7 osh-native mut+alloc+free+gc+exit
233 161 71 64.2 _bin/cxx-opt+nopool/osh mut+alloc
216 164 52 10.1 _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 -
21 15 6 4.3 bash -
19 11 9 3.4 zsh -
20 12 9 12.0 bumpleak/osh mut
20 17 3 12.1 _bin/cxx-opt+bumproot/osh mut
23 8 16 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 12 10 10.7 osh-native mut+alloc
23 16 8 11.1 osh-native mut+alloc+free
24 11 14 8.7 osh-native mut+alloc+free+gc
24 24 0 9.0 osh-native mut+alloc+free+gc+exit
25 24 2 12.6 _bin/cxx-opt+nopool/osh mut+alloc
27 21 6 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc