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 18.0 476,680 1,282 6 408,748 5 204,374 osh-native
parse.configure-coreutils 171 28 82 46.1 51.6 1,653,268 4,764 12 1,069,114 6 798,638 osh-native
parse.abuild 9 1 1 2.6 8.4 101,871 180 2 75,090 1 37,545 osh-native
ex.compute-fib 28 0 2 2.6 7.7 584,136 31,810 12 50,000 0 2,822 osh-native
ex.bashcomp-parse-help 185 0 4 10.6 8.7 995,213 27,376 21 50,000 0 3,817 osh-native
ex.abuild-print-help 23 1 2 2.8 9.0 116,280 478 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 -
24 19 4 2.9 bash -
103 62 48 3.4 zsh -
17 13 4 28.2 bumpleak/osh mut
20 19 0 28.8 _bin/cxx-opt+bumproot/osh mut
23 18 4 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 25 4 25.0 osh-native mut+alloc
32 20 12 25.6 osh-native mut+alloc+free
37 29 8 18.0 osh-native mut+alloc+free+gc
38 29 8 17.8 osh-native mut+alloc+free+gc+exit
44 24 20 33.3 _bin/cxx-opt+nopool/osh mut+alloc
51 35 16 21.9 _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 1.6 dash -
77 77 0 3.3 bash -
378 253 147 3.5 zsh -
50 33 17 84.3 bumpleak/osh mut
59 59 0 84.1 _bin/cxx-opt+bumproot/osh mut
70 51 19 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 73 24 73.4 osh-native mut+alloc
107 79 28 75.3 osh-native mut+alloc+free
171 154 16 51.6 osh-native mut+alloc+free+gc
180 159 20 52.2 osh-native mut+alloc+free+gc+exit
138 91 47 99.2 _bin/cxx-opt+nopool/osh mut+alloc
240 208 32 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 6 0 2.9 bash -
8 4 4 3.3 zsh -
7 6 0 11.0 bumpleak/osh mut
7 0 7 11.6 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.0 osh-native mut+alloc
9 0 9 10.2 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
10 10 0 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.5 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.2 _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 -
28 28 0 2.8 bash -
24 12 12 3.4 zsh -
21 4 16 32.7 bumpleak/osh mut
25 21 4 33.4 _bin/cxx-opt+bumproot/osh mut
29 28 0 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.3 osh-native mut+alloc
38 17 21 26.7 osh-native mut+alloc+free
28 20 8 7.7 osh-native mut+alloc+free+gc
29 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 33 21 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 32 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 73 0 3.1 bash -
168 104 64 55.6 bumpleak/osh mut
179 106 73 55.3 _bin/cxx-opt+bumproot/osh mut
194 127 67 55.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 131 80 47.2 osh-native mut+alloc
221 128 92 48.9 osh-native mut+alloc+free
185 136 48 8.7 osh-native mut+alloc+free+gc
181 153 28 8.8 osh-native mut+alloc+free+gc+exit
233 148 84 64.1 _bin/cxx-opt+nopool/osh mut+alloc
211 170 40 9.9 _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 19 1 4.5 bash -
18 12 6 3.4 zsh -
19 17 2 12.0 bumpleak/osh mut
21 14 7 13.0 _bin/cxx-opt+bumproot/osh mut
21 15 6 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 12 10 10.7 osh-native mut+alloc
23 16 8 11.1 osh-native mut+alloc+free
23 20 3 9.0 osh-native mut+alloc+free+gc
23 19 5 9.0 osh-native mut+alloc+free+gc+exit
25 22 3 12.4 _bin/cxx-opt+nopool/osh mut+alloc
25 19 7 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc