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 35 3 9 12.0 17.8 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 151 26 65 46.1 51.4 1,653,264 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 1 2.6 8.4 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 27 0 1 2.6 7.9 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 180 0 3 10.6 8.7 995,209 27,376 21 50,000 0 3,815 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,276 478 3 85,322 1 42,661 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 7 0 1.4 dash -
23 23 0 2.9 bash -
105 78 33 3.3 zsh -
16 12 4 29.1 bumpleak/osh mut
20 16 4 29.8 _bin/cxx-opt+bumproot/osh mut
23 15 7 28.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 15 15 25.0 osh-native mut+alloc
31 19 12 25.4 osh-native mut+alloc+free
35 23 12 17.8 osh-native mut+alloc+free+gc
36 32 4 17.8 osh-native mut+alloc+free+gc+exit
44 33 11 32.1 _bin/cxx-opt+nopool/osh mut+alloc
47 39 8 22.4 _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 -
77 77 0 3.1 bash -
377 211 188 3.5 zsh -
49 41 8 84.7 bumpleak/osh mut
60 52 8 84.7 _bin/cxx-opt+bumproot/osh mut
71 66 4 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 75 20 73.4 osh-native mut+alloc
105 77 27 75.2 osh-native mut+alloc+free
151 123 28 51.4 osh-native mut+alloc+free+gc
151 114 37 52.2 osh-native mut+alloc+free+gc+exit
138 97 40 98.2 _bin/cxx-opt+nopool/osh mut+alloc
208 172 36 72.4 _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 3.3 zsh -
6 0 6 10.3 bumpleak/osh mut
6 6 0 12.1 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
8 4 4 9.8 osh-native mut+alloc+free
9 4 4 8.4 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
11 6 6 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 4 8 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 -
29 25 4 2.9 bash -
24 23 0 3.3 zsh -
19 15 4 31.4 bumpleak/osh mut
25 21 4 33.3 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 16 20 26.3 osh-native mut+alloc
38 30 8 26.6 osh-native mut+alloc+free
27 27 0 7.9 osh-native mut+alloc+free+gc
28 27 0 7.9 osh-native mut+alloc+free+gc+exit
53 34 19 35.7 _bin/cxx-opt+nopool/osh mut+alloc
37 28 8 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
72 64 8 3.0 bash -
168 120 48 55.1 bumpleak/osh mut
180 124 56 56.2 _bin/cxx-opt+bumproot/osh mut
193 120 72 55.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 157 52 47.1 osh-native mut+alloc
218 146 71 48.9 osh-native mut+alloc+free
180 132 48 8.7 osh-native mut+alloc+free+gc
182 117 64 8.7 osh-native mut+alloc+free+gc+exit
228 136 92 63.0 _bin/cxx-opt+nopool/osh mut+alloc
208 167 40 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 7 3 3.5 dash -
19 11 9 4.3 bash -
18 6 12 3.4 zsh -
20 10 9 12.5 bumpleak/osh mut
19 12 8 11.7 _bin/cxx-opt+bumproot/osh mut
22 13 9 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 20 2 10.9 osh-native mut+alloc
22 13 10 11.0 osh-native mut+alloc+free
22 20 3 8.9 osh-native mut+alloc+free+gc
23 17 6 8.8 osh-native mut+alloc+free+gc+exit
25 17 8 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 17 9 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc