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 36 4 10 12.0 17.7 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 159 24 71 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 8.4 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 2 2.6 7.9 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 186 0 4 12.3 8.7 1,002,889 27,376 21 50,000 0 3,803 osh-native
ex.abuild-print-help 22 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 -
23 23 0 2.9 bash -
104 60 51 3.4 zsh -
16 8 8 27.9 bumpleak/osh mut
20 12 8 30.0 _bin/cxx-opt+bumproot/osh mut
23 19 4 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 22 7 25.0 osh-native mut+alloc
31 27 4 25.6 osh-native mut+alloc+free
36 32 4 17.7 osh-native mut+alloc+free+gc
38 34 4 18.0 osh-native mut+alloc+free+gc+exit
42 38 4 32.3 _bin/cxx-opt+nopool/osh mut+alloc
47 35 12 22.2 _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 -
418 237 204 3.7 zsh -
48 36 12 84.4 bumpleak/osh mut
60 40 20 85.1 _bin/cxx-opt+bumproot/osh mut
70 65 4 86.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 64 32 73.3 osh-native mut+alloc
104 80 24 75.1 osh-native mut+alloc+free
159 135 24 51.4 osh-native mut+alloc+free+gc
156 124 32 52.2 osh-native mut+alloc+free+gc+exit
138 97 40 97.5 _bin/cxx-opt+nopool/osh mut+alloc
208 168 40 71.6 _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 2.9 bash -
8 0 7 3.3 zsh -
6 6 0 10.6 bumpleak/osh mut
7 0 7 10.7 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 9.8 osh-native mut+alloc
9 3 6 10.1 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 3 6 8.4 osh-native mut+alloc+free+gc+exit
11 11 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 8 4 9.3 _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 10 0 1.4 dash -
29 26 4 2.9 bash -
24 16 8 3.3 zsh -
20 12 8 31.2 bumpleak/osh mut
25 24 0 31.2 _bin/cxx-opt+bumproot/osh mut
29 29 0 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.3 osh-native mut+alloc
38 19 19 26.7 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
54 50 4 35.7 _bin/cxx-opt+nopool/osh mut+alloc
36 28 8 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 73 0 3.1 bash -
168 92 76 56.6 bumpleak/osh mut
181 112 68 56.6 _bin/cxx-opt+bumproot/osh mut
196 128 68 58.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 124 88 48.9 osh-native mut+alloc
220 156 64 50.6 osh-native mut+alloc+free
186 126 59 8.7 osh-native mut+alloc+free+gc
184 136 48 8.7 osh-native mut+alloc+free+gc+exit
234 129 105 65.3 _bin/cxx-opt+nopool/osh mut+alloc
209 157 52 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 6 4 3.4 dash -
20 15 5 4.5 bash -
18 10 8 3.4 zsh -
19 14 5 13.0 bumpleak/osh mut
21 13 8 12.5 _bin/cxx-opt+bumproot/osh mut
21 20 1 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 7 10.9 osh-native mut+alloc
23 20 4 10.9 osh-native mut+alloc+free
22 10 13 9.0 osh-native mut+alloc+free+gc
23 20 4 9.0 osh-native mut+alloc+free+gc+exit
25 11 14 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 17 9 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc