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 17.8 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 149 24 62 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 1 2.6 7.9 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 182 0 3 12.3 8.7 1,002,889 27,376 21 50,000 0 3,803 osh-native
ex.abuild-print-help 23 1 2 2.8 9.0 116,240 478 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 -
24 19 4 3.1 bash -
105 58 53 3.4 zsh -
16 16 0 29.4 bumpleak/osh mut
20 12 8 28.6 _bin/cxx-opt+bumproot/osh mut
22 18 4 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 18 11 25.0 osh-native mut+alloc
31 15 15 25.3 osh-native mut+alloc+free
35 23 12 17.8 osh-native mut+alloc+free+gc
36 24 12 18.0 osh-native mut+alloc+free+gc+exit
43 26 17 33.2 _bin/cxx-opt+nopool/osh mut+alloc
48 32 16 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
21 18 4 1.6 dash -
77 77 0 3.3 bash -
381 206 195 3.5 zsh -
49 49 0 84.1 bumpleak/osh mut
59 55 4 84.7 _bin/cxx-opt+bumproot/osh mut
71 51 20 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 65 32 73.3 osh-native mut+alloc
105 76 28 75.1 osh-native mut+alloc+free
149 141 8 51.4 osh-native mut+alloc+free+gc
156 140 16 52.1 osh-native mut+alloc+free+gc+exit
139 82 57 99.0 _bin/cxx-opt+nopool/osh mut+alloc
214 182 32 70.9 _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 1.3 dash -
6 6 0 3.0 bash -
8 4 4 3.3 zsh -
6 3 3 11.2 bumpleak/osh mut
7 0 7 11.7 _bin/cxx-opt+bumproot/osh mut
7 0 7 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 9.8 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 3 6 8.5 osh-native mut+alloc+free+gc+exit
11 0 11 11.3 _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 3.0 bash -
24 16 8 3.1 zsh -
19 15 4 31.5 bumpleak/osh mut
25 21 4 31.8 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.5 osh-native mut+alloc
38 30 8 26.7 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
53 41 12 36.1 _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 -
167 100 68 57.4 bumpleak/osh mut
180 128 52 56.3 _bin/cxx-opt+bumproot/osh mut
196 128 68 58.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 146 65 48.9 osh-native mut+alloc
218 137 81 50.7 osh-native mut+alloc+free
182 123 59 8.7 osh-native mut+alloc+free+gc
181 120 60 8.7 osh-native mut+alloc+free+gc+exit
235 150 85 65.0 _bin/cxx-opt+nopool/osh mut+alloc
208 172 36 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 9 1 3.5 dash -
20 17 3 4.5 bash -
18 11 7 3.5 zsh -
18 10 8 13.2 bumpleak/osh mut
20 11 9 11.9 _bin/cxx-opt+bumproot/osh mut
22 16 7 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 17 4 10.7 osh-native mut+alloc
23 8 16 10.9 osh-native mut+alloc+free
23 20 3 9.0 osh-native mut+alloc+free+gc
24 15 9 9.0 osh-native mut+alloc+free+gc+exit
25 17 8 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 20 5 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc