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 37 4 11 12.0 18.0 476,679 1,282 6 408,748 5 204,374 osh-native
parse.configure-coreutils 157 25 70 46.1 51.7 1,653,267 4,764 12 1,069,114 6 798,638 osh-native
parse.abuild 10 1 1 2.6 8.5 101,870 180 2 75,090 1 37,545 osh-native
ex.compute-fib 28 0 2 2.6 7.7 584,135 31,810 12 50,000 0 2,822 osh-native
ex.bashcomp-parse-help 181 0 4 10.6 8.8 995,212 27,376 21 50,000 0 3,817 osh-native
ex.abuild-print-help 23 1 2 2.8 9.0 116,279 478 3 85,326 1 42,663 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 19 4 3.1 bash -
105 64 47 3.4 zsh -
17 17 0 29.5 bumpleak/osh mut
20 20 0 29.8 _bin/cxx-opt+bumproot/osh mut
24 20 4 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 30 0 25.0 osh-native mut+alloc
33 28 4 25.6 osh-native mut+alloc+free
37 29 8 18.0 osh-native mut+alloc+free+gc
39 39 0 18.0 osh-native mut+alloc+free+gc+exit
44 32 12 33.1 _bin/cxx-opt+nopool/osh mut+alloc
50 37 12 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
21 21 0 1.6 dash -
78 78 0 3.3 bash -
376 204 193 3.5 zsh -
49 41 8 85.3 bumpleak/osh mut
62 53 8 84.4 _bin/cxx-opt+bumproot/osh mut
70 43 27 85.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 79 20 73.3 osh-native mut+alloc
107 83 24 75.1 osh-native mut+alloc+free
157 137 20 51.7 osh-native mut+alloc+free+gc
172 132 40 52.1 osh-native mut+alloc+free+gc+exit
139 103 36 98.6 _bin/cxx-opt+nopool/osh mut+alloc
216 188 28 72.2 _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 1.3 dash -
6 6 0 2.9 bash -
8 4 4 3.4 zsh -
7 7 0 11.4 bumpleak/osh mut
7 0 7 11.5 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 9.7 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
10 3 6 8.5 osh-native mut+alloc+free+gc
10 7 3 8.4 osh-native mut+alloc+free+gc+exit
12 4 8 11.1 _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 7 3 1.4 dash -
29 29 0 2.9 bash -
25 14 11 3.3 zsh -
19 12 8 32.4 bumpleak/osh mut
26 23 4 32.7 _bin/cxx-opt+bumproot/osh mut
28 24 4 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 15 22 26.2 osh-native mut+alloc
39 22 17 26.9 osh-native mut+alloc+free
28 24 4 7.7 osh-native mut+alloc+free+gc
28 20 8 7.9 osh-native mut+alloc+free+gc+exit
54 41 12 35.9 _bin/cxx-opt+nopool/osh mut+alloc
41 37 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 -
168 108 60 54.2 bumpleak/osh mut
179 119 60 56.3 _bin/cxx-opt+bumproot/osh mut
194 130 63 56.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 124 88 46.9 osh-native mut+alloc
219 123 96 48.9 osh-native mut+alloc+free
181 134 47 8.8 osh-native mut+alloc+free+gc
183 127 56 8.7 osh-native mut+alloc+free+gc+exit
233 141 92 63.5 _bin/cxx-opt+nopool/osh mut+alloc
208 156 52 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 3.5 dash -
20 16 4 4.5 bash -
17 12 6 3.5 zsh -
19 14 5 11.8 bumpleak/osh mut
21 11 11 13.0 _bin/cxx-opt+bumproot/osh mut
22 12 10 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 12 10 11.0 osh-native mut+alloc
23 11 12 10.9 osh-native mut+alloc+free
23 22 2 9.0 osh-native mut+alloc+free+gc
23 16 8 9.0 osh-native mut+alloc+free+gc+exit
25 12 13 12.7 _bin/cxx-opt+nopool/osh mut+alloc
26 20 6 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc