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 33 3 9 12.0 17.6 476,689 1,282 6 408,626 5 204,313 osh-native
parse.configure-coreutils 144 20 68 41.0 45.4 1,653,277 4,764 12 1,591,678 7 795,839 osh-native
parse.abuild 9 1 2 2.4 8.0 101,880 180 3 87,194 1 43,597 osh-native
ex.compute-fib 23 0 1 2.6 7.6 584,145 31,810 12 50,000 0 2,764 osh-native
ex.bashcomp-parse-help 174 0 3 10.6 8.3 995,222 27,376 21 50,000 0 3,751 osh-native
ex.abuild-print-help 21 1 2 2.8 8.5 116,289 478 3 85,210 1 42,605 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 3 3 1.6 dash -
23 19 4 3.0 bash -
104 72 38 3.5 zsh -
16 8 8 29.0 bumpleak/osh mut
17 16 0 28.8 _bin/cxx-opt+bumproot/osh mut
20 16 4 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
27 15 12 24.6 osh-native mut+alloc
29 24 4 25.2 osh-native mut+alloc+free
33 18 14 17.6 osh-native mut+alloc+free+gc
33 33 0 17.8 osh-native mut+alloc+free+gc+exit
40 32 8 31.6 _bin/cxx-opt+nopool/osh mut+alloc
46 33 12 21.8 _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 18 4 1.4 dash -
78 77 0 3.3 bash -
376 219 179 3.7 zsh -
48 26 22 83.8 bumpleak/osh mut
51 39 12 86.0 _bin/cxx-opt+bumproot/osh mut
61 53 8 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
88 60 28 73.2 osh-native mut+alloc
96 68 28 74.9 osh-native mut+alloc+free
144 116 28 45.4 osh-native mut+alloc+free+gc
147 127 20 45.8 osh-native mut+alloc+free+gc+exit
128 100 28 98.1 _bin/cxx-opt+nopool/osh mut+alloc
202 185 16 60.6 _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 0 7 3.3 zsh -
6 6 0 12.3 bumpleak/osh mut
6 3 3 10.4 _bin/cxx-opt+bumproot/osh mut
7 3 3 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.7 osh-native mut+alloc
8 8 0 9.8 osh-native mut+alloc+free
9 3 6 8.0 osh-native mut+alloc+free+gc
9 9 0 8.0 osh-native mut+alloc+free+gc+exit
11 0 11 11.0 _bin/cxx-opt+nopool/osh mut+alloc
11 7 4 8.8 _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 2.9 bash -
24 16 8 3.3 zsh -
19 14 5 30.9 bumpleak/osh mut
21 21 0 32.6 _bin/cxx-opt+bumproot/osh mut
22 22 0 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 23 8 26.1 osh-native mut+alloc
32 24 8 26.2 osh-native mut+alloc+free
23 19 4 7.6 osh-native mut+alloc+free+gc
24 23 0 7.3 osh-native mut+alloc+free+gc+exit
47 38 8 35.5 _bin/cxx-opt+nopool/osh mut+alloc
31 31 0 9.1 _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 3.1 bash -
169 137 32 55.8 bumpleak/osh mut
172 104 68 56.2 _bin/cxx-opt+bumproot/osh mut
188 128 60 56.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
203 135 67 46.6 osh-native mut+alloc
210 149 60 48.5 osh-native mut+alloc+free
174 142 32 8.3 osh-native mut+alloc+free+gc
175 123 52 8.4 osh-native mut+alloc+free+gc+exit
223 123 99 63.3 _bin/cxx-opt+nopool/osh mut+alloc
200 152 48 9.8 _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 -
21 13 9 4.3 bash -
18 9 9 3.5 zsh -
20 18 2 12.1 bumpleak/osh mut
19 17 2 13.0 _bin/cxx-opt+bumproot/osh mut
21 20 1 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 13 7 10.5 osh-native mut+alloc
22 17 6 10.7 osh-native mut+alloc+free
21 15 7 8.5 osh-native mut+alloc+free+gc
22 13 10 8.5 osh-native mut+alloc+free+gc+exit
24 19 5 12.2 _bin/cxx-opt+nopool/osh mut+alloc
24 19 6 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc