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 17.6 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 146 23 60 46.1 51.7 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 9 1 1 2.6 8.5 101,875 180 2 75,096 1 37,548 osh-native
ex.compute-fib 27 0 1 2.6 7.9 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 182 0 3 10.6 8.8 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,284 478 3 85,332 1 42,666 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 23 0 3.0 bash -
104 68 42 3.4 zsh -
16 12 4 29.1 bumpleak/osh mut
20 12 8 29.2 _bin/cxx-opt+bumproot/osh mut
22 18 4 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 22 7 25.0 osh-native mut+alloc
31 8 23 25.4 osh-native mut+alloc+free
35 31 4 17.6 osh-native mut+alloc+free+gc
36 36 0 18.0 osh-native mut+alloc+free+gc+exit
43 31 12 32.0 _bin/cxx-opt+nopool/osh mut+alloc
47 35 12 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 -
82 78 4 3.1 bash -
377 206 192 3.7 zsh -
48 40 8 85.8 bumpleak/osh mut
60 56 4 85.3 _bin/cxx-opt+bumproot/osh mut
69 54 15 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 69 28 73.3 osh-native mut+alloc
105 69 36 75.3 osh-native mut+alloc+free
146 126 20 51.7 osh-native mut+alloc+free+gc
151 123 28 52.3 osh-native mut+alloc+free+gc+exit
139 91 47 97.6 _bin/cxx-opt+nopool/osh mut+alloc
207 166 40 73.4 _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 3.0 bash -
8 0 7 3.3 zsh -
6 0 6 10.5 bumpleak/osh mut
7 0 7 12.0 _bin/cxx-opt+bumproot/osh mut
8 4 4 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
8 4 4 10.0 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 4 4 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 7 4 9.5 _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
11 7 4 1.4 dash -
29 29 0 3.0 bash -
23 8 16 3.4 zsh -
19 19 0 31.4 bumpleak/osh mut
25 18 7 31.4 _bin/cxx-opt+bumproot/osh mut
28 28 0 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.3 osh-native mut+alloc
38 33 4 26.7 osh-native mut+alloc+free
27 24 4 7.9 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
54 38 17 35.9 _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
73 73 0 3.1 bash -
166 107 59 55.6 bumpleak/osh mut
179 119 59 56.5 _bin/cxx-opt+bumproot/osh mut
194 125 69 56.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 146 63 47.1 osh-native mut+alloc
219 155 64 48.8 osh-native mut+alloc+free
182 145 36 8.8 osh-native mut+alloc+free+gc
180 136 44 8.5 osh-native mut+alloc+free+gc+exit
230 153 77 63.8 _bin/cxx-opt+nopool/osh mut+alloc
206 170 36 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 8 2 3.5 dash -
20 14 6 4.5 bash -
17 17 1 3.5 zsh -
20 14 6 12.7 bumpleak/osh mut
21 14 7 12.6 _bin/cxx-opt+bumproot/osh mut
21 21 0 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 6 11.0 osh-native mut+alloc
22 15 7 10.9 osh-native mut+alloc+free
23 17 7 8.9 osh-native mut+alloc+free+gc
23 19 4 8.9 osh-native mut+alloc+free+gc+exit
25 14 11 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 22 3 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc