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 36 4 10 12.0 17.8 476,691 1,282 6 408,764 5 204,382 osh-native
parse.configure-coreutils 162 25 74 46.1 51.7 1,653,279 4,764 12 1,069,130 6 798,646 osh-native
parse.abuild 9 1 1 2.6 8.3 101,882 180 2 75,106 1 37,553 osh-native
ex.compute-fib 28 0 2 2.6 7.6 584,147 31,810 12 50,000 0 2,829 osh-native
ex.bashcomp-parse-help 181 0 4 10.6 8.7 995,224 27,376 21 50,000 0 3,825 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,291 478 3 85,342 1 42,671 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 -
23 23 0 3.1 bash -
103 49 59 3.4 zsh -
17 12 4 28.4 bumpleak/osh mut
19 14 5 29.0 _bin/cxx-opt+bumproot/osh mut
23 19 4 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 19 11 25.0 osh-native mut+alloc
32 12 20 25.6 osh-native mut+alloc+free
36 28 8 17.8 osh-native mut+alloc+free+gc
37 29 8 17.8 osh-native mut+alloc+free+gc+exit
43 27 15 32.4 _bin/cxx-opt+nopool/osh mut+alloc
49 37 11 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
22 21 0 1.4 dash -
78 78 0 3.3 bash -
375 222 173 3.5 zsh -
48 33 15 85.8 bumpleak/osh mut
60 52 8 85.7 _bin/cxx-opt+bumproot/osh mut
70 45 25 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 63 36 73.3 osh-native mut+alloc
106 77 28 75.3 osh-native mut+alloc+free
162 134 28 51.7 osh-native mut+alloc+free+gc
164 144 20 50.6 osh-native mut+alloc+free+gc+exit
137 80 56 98.0 _bin/cxx-opt+nopool/osh mut+alloc
215 171 44 73.1 _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 3.0 bash -
8 4 4 3.3 zsh -
6 3 3 10.5 bumpleak/osh mut
6 3 3 10.8 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.8 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 5 5 8.3 osh-native mut+alloc+free+gc
9 5 5 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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 23 0 3.4 zsh -
18 18 0 32.6 bumpleak/osh mut
25 25 0 31.8 _bin/cxx-opt+bumproot/osh mut
32 24 8 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 36 0 26.2 osh-native mut+alloc
38 23 15 26.6 osh-native mut+alloc+free
28 24 4 7.6 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
54 34 19 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 33 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 68 4 3.0 bash -
168 128 40 54.1 bumpleak/osh mut
180 84 96 55.1 _bin/cxx-opt+bumproot/osh mut
192 126 65 55.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 148 64 47.1 osh-native mut+alloc
217 120 96 48.9 osh-native mut+alloc+free
181 133 48 8.7 osh-native mut+alloc+free+gc
181 157 24 8.7 osh-native mut+alloc+free+gc+exit
232 136 96 63.9 _bin/cxx-opt+nopool/osh mut+alloc
211 158 53 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 8 2 3.5 dash -
19 14 6 4.3 bash -
18 12 7 3.4 zsh -
18 11 7 11.3 bumpleak/osh mut
20 14 6 11.9 _bin/cxx-opt+bumproot/osh mut
22 11 11 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 14 8 11.0 osh-native mut+alloc
23 14 9 11.0 osh-native mut+alloc+free
23 18 5 8.9 osh-native mut+alloc+free+gc
23 21 2 8.8 osh-native mut+alloc+free+gc+exit
25 19 6 12.4 _bin/cxx-opt+nopool/osh mut+alloc
26 19 7 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc