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 3 9 12.0 18.0 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 169 27 80 46.1 51.3 1,653,264 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 1 2.6 8.7 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 1 2.6 7.7 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 183 0 3 10.6 8.7 995,209 27,376 21 50,000 0 3,815 osh-native
ex.abuild-print-help 23 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
6 6 0 1.6 dash -
24 16 8 3.1 bash -
106 58 56 3.4 zsh -
17 8 8 29.4 bumpleak/osh mut
21 12 8 28.6 _bin/cxx-opt+bumproot/osh mut
23 15 8 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 24.9 osh-native mut+alloc
32 28 4 25.6 osh-native mut+alloc+free
36 27 8 18.0 osh-native mut+alloc+free+gc
36 28 8 17.8 osh-native mut+alloc+free+gc+exit
44 24 20 32.3 _bin/cxx-opt+nopool/osh mut+alloc
48 28 20 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 1.6 dash -
77 73 4 3.1 bash -
378 216 183 3.5 zsh -
48 32 16 85.7 bumpleak/osh mut
61 48 12 85.3 _bin/cxx-opt+bumproot/osh mut
70 41 29 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 59 39 73.4 osh-native mut+alloc
106 65 41 75.3 osh-native mut+alloc+free
169 129 40 51.3 osh-native mut+alloc+free+gc
178 142 36 52.1 osh-native mut+alloc+free+gc+exit
139 83 56 98.2 _bin/cxx-opt+nopool/osh mut+alloc
229 217 12 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 1.4 dash -
6 3 3 2.9 bash -
8 1 8 3.3 zsh -
6 6 0 10.4 bumpleak/osh mut
7 7 0 11.2 _bin/cxx-opt+bumproot/osh mut
8 8 0 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.8 osh-native mut+alloc
9 0 9 9.8 osh-native mut+alloc+free
9 9 0 8.7 osh-native mut+alloc+free+gc
10 9 0 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 8 4 9.4 _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 29 0 3.0 bash -
30 24 4 3.3 zsh -
19 19 0 31.1 bumpleak/osh mut
25 21 4 32.7 _bin/cxx-opt+bumproot/osh mut
28 24 4 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 8 28 26.5 osh-native mut+alloc
38 21 17 26.7 osh-native mut+alloc+free
28 27 0 7.7 osh-native mut+alloc+free+gc
27 23 4 7.7 osh-native mut+alloc+free+gc+exit
55 47 8 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 36 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 68 4 3.3 bash -
168 120 48 54.2 bumpleak/osh mut
178 135 44 56.1 _bin/cxx-opt+bumproot/osh mut
194 137 56 55.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 142 69 47.1 osh-native mut+alloc
217 165 52 48.9 osh-native mut+alloc+free
183 123 60 8.7 osh-native mut+alloc+free+gc
180 120 60 8.7 osh-native mut+alloc+free+gc+exit
232 152 80 64.1 _bin/cxx-opt+nopool/osh mut+alloc
210 158 51 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 4 7 3.4 dash -
20 12 9 4.5 bash -
18 7 11 3.4 zsh -
18 11 8 11.4 bumpleak/osh mut
21 14 7 12.8 _bin/cxx-opt+bumproot/osh mut
21 12 9 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 15 7 10.9 osh-native mut+alloc
23 11 12 11.0 osh-native mut+alloc+free
23 17 6 8.9 osh-native mut+alloc+free+gc
26 16 11 8.8 osh-native mut+alloc+free+gc+exit
25 19 6 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 15 11 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc