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 37 5 11 12.0 17.7 476,680 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 162 29 73 46.1 51.4 1,653,268 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 10 1 2 2.6 8.5 101,871 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 2 2.6 7.9 584,136 31,810 12 50,000 0 2,820 osh-native
ex.bashcomp-parse-help 193 0 4 12.3 8.7 1,002,893 27,376 21 50,000 0 3,803 osh-native
ex.abuild-print-help 24 1 2 2.8 8.7 116,244 478 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 19 4 3.1 bash -
106 78 35 3.4 zsh -
17 17 0 29.3 bumpleak/osh mut
19 15 4 29.3 _bin/cxx-opt+bumproot/osh mut
22 22 0 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 25.2 osh-native mut+alloc
33 32 0 25.4 osh-native mut+alloc+free
37 29 8 17.7 osh-native mut+alloc+free+gc
37 37 0 18.0 osh-native mut+alloc+free+gc+exit
45 28 16 33.0 _bin/cxx-opt+nopool/osh mut+alloc
49 37 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 18 4 1.6 dash -
78 74 4 3.1 bash -
381 204 198 3.5 zsh -
51 47 4 85.7 bumpleak/osh mut
60 52 8 85.5 _bin/cxx-opt+bumproot/osh mut
72 40 32 85.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 70 27 73.2 osh-native mut+alloc
107 95 12 75.4 osh-native mut+alloc+free
162 141 20 51.4 osh-native mut+alloc+free+gc
170 146 24 52.2 osh-native mut+alloc+free+gc+exit
140 93 47 98.2 _bin/cxx-opt+nopool/osh mut+alloc
239 215 24 72.5 _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 0 2 1.4 dash -
6 6 0 2.9 bash -
8 4 4 3.3 zsh -
6 6 0 11.4 bumpleak/osh mut
7 0 7 11.9 _bin/cxx-opt+bumproot/osh mut
7 7 0 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 9.7 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
10 10 0 8.5 osh-native mut+alloc+free+gc
10 5 5 8.1 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 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 28 0 2.9 bash -
23 8 16 3.3 zsh -
19 15 4 31.2 bumpleak/osh mut
26 21 4 32.9 _bin/cxx-opt+bumproot/osh mut
28 28 0 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.3 osh-native mut+alloc
39 27 12 26.7 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
53 27 27 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 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 72 0 3.1 bash -
169 109 60 57.6 bumpleak/osh mut
184 128 56 57.9 _bin/cxx-opt+bumproot/osh mut
196 148 48 56.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 152 60 48.8 osh-native mut+alloc
228 140 88 50.6 osh-native mut+alloc+free
193 149 44 8.7 osh-native mut+alloc+free+gc
189 140 48 8.7 osh-native mut+alloc+free+gc+exit
234 121 113 65.8 _bin/cxx-opt+nopool/osh mut+alloc
210 159 52 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 5 6 3.5 dash -
20 11 10 4.3 bash -
18 17 2 3.4 zsh -
21 10 11 11.9 bumpleak/osh mut
21 19 2 11.8 _bin/cxx-opt+bumproot/osh mut
24 21 4 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
23 8 16 10.9 osh-native mut+alloc
24 8 17 11.0 osh-native mut+alloc+free
24 12 13 8.7 osh-native mut+alloc+free+gc
24 23 2 8.7 osh-native mut+alloc+free+gc+exit
26 18 8 12.2 _bin/cxx-opt+nopool/osh mut+alloc
27 18 10 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc