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 18.0 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 143 22 58 46.1 51.2 1,653,264 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 1 2.6 8.4 101,867 180 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 182 0 3 12.3 8.8 1,002,889 27,376 21 50,000 0 3,803 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,240 478 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 3.1 bash -
103 59 50 3.4 zsh -
16 8 8 28.1 bumpleak/osh mut
19 12 8 28.1 _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 23 8 25.4 osh-native mut+alloc+free
35 35 0 18.0 osh-native mut+alloc+free+gc
36 32 4 17.8 osh-native mut+alloc+free+gc+exit
43 23 20 32.2 _bin/cxx-opt+nopool/osh mut+alloc
48 40 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 22 0 1.6 dash -
78 69 8 3.3 bash -
372 201 191 3.4 zsh -
48 40 8 85.9 bumpleak/osh mut
59 47 12 86.0 _bin/cxx-opt+bumproot/osh mut
70 53 16 84.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 56 40 73.2 osh-native mut+alloc
105 72 32 75.0 osh-native mut+alloc+free
143 110 33 51.2 osh-native mut+alloc+free+gc
151 135 16 52.0 osh-native mut+alloc+free+gc+exit
138 85 53 97.6 _bin/cxx-opt+nopool/osh mut+alloc
204 164 40 71.7 _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 2.9 bash -
8 7 0 3.3 zsh -
6 0 6 11.1 bumpleak/osh mut
6 6 0 10.5 _bin/cxx-opt+bumproot/osh mut
7 3 3 10.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
8 8 0 10.0 osh-native mut+alloc+free
9 4 4 8.4 osh-native mut+alloc+free+gc
9 0 9 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 8 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
10 10 0 1.6 dash -
28 28 0 2.9 bash -
24 16 8 3.1 zsh -
19 19 0 32.6 bumpleak/osh mut
25 25 0 31.7 _bin/cxx-opt+bumproot/osh mut
28 28 0 31.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.2 osh-native mut+alloc
37 25 12 26.6 osh-native mut+alloc+free
28 28 0 7.7 osh-native mut+alloc+free+gc
28 24 4 7.7 osh-native mut+alloc+free+gc+exit
54 46 8 35.8 _bin/cxx-opt+nopool/osh mut+alloc
36 32 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
73 69 4 3.0 bash -
167 92 76 55.5 bumpleak/osh mut
180 123 57 58.1 _bin/cxx-opt+bumproot/osh mut
196 124 72 57.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 155 56 48.9 osh-native mut+alloc
219 127 91 50.6 osh-native mut+alloc+free
182 134 47 8.8 osh-native mut+alloc+free+gc
181 112 68 8.7 osh-native mut+alloc+free+gc+exit
233 153 80 65.3 _bin/cxx-opt+nopool/osh mut+alloc
209 161 48 10.2 _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 6 3.4 dash -
19 6 14 4.5 bash -
17 11 7 3.5 zsh -
18 13 6 11.3 bumpleak/osh mut
19 13 7 13.6 _bin/cxx-opt+bumproot/osh mut
21 14 7 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 7 10.7 osh-native mut+alloc
22 16 7 10.9 osh-native mut+alloc+free
22 16 7 8.8 osh-native mut+alloc+free+gc
22 11 12 8.7 osh-native mut+alloc+free+gc+exit
25 19 6 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 20 5 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc