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 17.8 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 153 26 67 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 8.5 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 2 2.6 7.9 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 182 0 4 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 8.8 116,276 478 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 -
23 23 0 3.0 bash -
105 53 58 3.3 zsh -
16 16 0 29.9 bumpleak/osh mut
20 16 4 28.3 _bin/cxx-opt+bumproot/osh mut
23 22 0 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 15 15 25.2 osh-native mut+alloc
31 19 12 25.6 osh-native mut+alloc+free
36 24 12 17.8 osh-native mut+alloc+free+gc
41 29 11 18.0 osh-native mut+alloc+free+gc+exit
43 30 13 32.8 _bin/cxx-opt+nopool/osh mut+alloc
47 39 8 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 1.4 dash -
78 78 0 3.1 bash -
377 200 199 3.5 zsh -
48 36 12 85.6 bumpleak/osh mut
61 48 12 84.9 _bin/cxx-opt+bumproot/osh mut
72 59 12 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 61 36 73.2 osh-native mut+alloc
106 58 47 75.0 osh-native mut+alloc+free
153 134 20 51.4 osh-native mut+alloc+free+gc
161 140 20 52.1 osh-native mut+alloc+free+gc+exit
139 87 51 98.4 _bin/cxx-opt+nopool/osh mut+alloc
228 180 48 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 1.3 dash -
6 6 0 3.0 bash -
8 4 4 3.3 zsh -
6 0 6 11.6 bumpleak/osh mut
7 7 0 11.3 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
9 3 6 9.8 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 6 3 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 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 7 3 1.4 dash -
28 28 0 3.0 bash -
24 20 4 3.3 zsh -
18 15 4 31.1 bumpleak/osh mut
25 25 0 32.0 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 28 8 26.2 osh-native mut+alloc
39 23 16 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 41 12 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 32 4 9.5 _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
74 58 15 3.1 bash -
168 104 64 53.9 bumpleak/osh mut
180 112 68 54.5 _bin/cxx-opt+bumproot/osh mut
193 132 60 56.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 129 81 47.1 osh-native mut+alloc
217 157 60 48.9 osh-native mut+alloc+free
182 125 56 8.7 osh-native mut+alloc+free+gc
181 144 36 8.5 osh-native mut+alloc+free+gc+exit
231 151 80 63.9 _bin/cxx-opt+nopool/osh mut+alloc
208 128 80 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 7 3 3.4 dash -
20 12 8 4.5 bash -
18 11 7 3.4 zsh -
20 8 12 12.7 bumpleak/osh mut
19 15 4 13.4 _bin/cxx-opt+bumproot/osh mut
22 16 6 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 19 2 10.9 osh-native mut+alloc
23 14 10 11.0 osh-native mut+alloc+free
22 17 6 8.8 osh-native mut+alloc+free+gc
23 16 7 8.9 osh-native mut+alloc+free+gc+exit
25 18 7 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 22 3 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc