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 10 12.0 17.8 476,636 1,282 6 408,686 5 204,343 osh-native
parse.configure-coreutils 151 25 61 46.1 51.3 1,653,224 4,764 12 1,069,052 6 798,607 osh-native
parse.abuild 10 1 1 2.6 8.3 101,827 180 2 75,028 1 37,514 osh-native
ex.compute-fib 29 0 1 3.1 7.9 584,088 31,810 12 50,000 0 2,788 osh-native
ex.bashcomp-parse-help 183 0 3 12.3 8.7 1,001,962 27,376 21 50,000 0 3,776 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,032 478 3 85,262 1 42,631 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 6 0 1.6 dash -
23 23 0 2.9 bash -
104 64 47 3.4 zsh -
16 16 0 28.5 bumpleak/osh mut
20 12 8 28.8 _bin/cxx-opt+bumproot/osh mut
22 9 13 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 25.0 osh-native mut+alloc
32 16 16 25.6 osh-native mut+alloc+free
37 33 4 17.8 osh-native mut+alloc+free+gc
37 22 15 17.7 osh-native mut+alloc+free+gc+exit
44 24 20 33.3 _bin/cxx-opt+nopool/osh mut+alloc
48 36 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
22 22 0 1.6 dash -
77 77 0 3.1 bash -
379 200 201 3.5 zsh -
52 36 16 85.0 bumpleak/osh mut
60 52 8 84.5 _bin/cxx-opt+bumproot/osh mut
72 44 28 84.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
101 60 40 73.3 osh-native mut+alloc
108 64 44 75.4 osh-native mut+alloc+free
151 134 16 51.3 osh-native mut+alloc+free+gc
153 125 28 52.3 osh-native mut+alloc+free+gc+exit
139 102 37 97.7 _bin/cxx-opt+nopool/osh mut+alloc
211 167 44 73.7 _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 0 7 3.4 zsh -
6 6 0 10.5 bumpleak/osh mut
6 3 3 12.0 _bin/cxx-opt+bumproot/osh mut
8 4 4 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 10.0 osh-native mut+alloc
9 4 4 9.8 osh-native mut+alloc+free
10 5 5 8.3 osh-native mut+alloc+free+gc
9 4 4 8.5 osh-native mut+alloc+free+gc+exit
12 12 0 11.1 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 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
10 7 3 1.4 dash -
29 29 0 2.9 bash -
24 16 8 3.1 zsh -
19 15 4 31.1 bumpleak/osh mut
26 19 7 32.1 _bin/cxx-opt+bumproot/osh mut
29 25 4 33.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 26 11 26.6 osh-native mut+alloc
39 31 8 27.0 osh-native mut+alloc+free
29 21 7 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 38 15 36.2 _bin/cxx-opt+nopool/osh mut+alloc
38 37 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
73 69 4 3.3 bash -
170 118 51 57.6 bumpleak/osh mut
182 97 85 56.0 _bin/cxx-opt+bumproot/osh mut
196 132 64 57.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 125 88 48.9 osh-native mut+alloc
221 161 60 50.6 osh-native mut+alloc+free
183 97 85 8.7 osh-native mut+alloc+free+gc
183 107 75 8.5 osh-native mut+alloc+free+gc+exit
235 159 76 64.5 _bin/cxx-opt+nopool/osh mut+alloc
211 109 101 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 1 3.5 dash -
20 18 3 4.3 bash -
18 15 4 3.4 zsh -
20 13 8 12.7 bumpleak/osh mut
22 13 9 13.2 _bin/cxx-opt+bumproot/osh mut
22 17 5 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 16 6 11.0 osh-native mut+alloc
23 17 7 11.1 osh-native mut+alloc+free
23 15 8 8.9 osh-native mut+alloc+free+gc
24 14 10 8.8 osh-native mut+alloc+free+gc+exit
25 17 8 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 17 9 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc