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 17.8 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 154 24 64 46.1 51.5 1,653,264 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 2 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 10.2 8.5 982,889 27,376 21 50,000 0 3,805 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,248 478 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 19 4 3.0 bash -
104 70 41 3.3 zsh -
16 12 4 28.5 bumpleak/osh mut
19 19 0 29.1 _bin/cxx-opt+bumproot/osh mut
22 18 4 31.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 12 25.0 osh-native mut+alloc
31 18 13 25.7 osh-native mut+alloc+free
36 27 8 17.8 osh-native mut+alloc+free+gc
36 31 4 18.0 osh-native mut+alloc+free+gc+exit
43 26 17 32.6 _bin/cxx-opt+nopool/osh mut+alloc
48 44 4 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
22 21 0 1.6 dash -
77 77 0 3.1 bash -
373 196 200 3.5 zsh -
48 36 12 85.8 bumpleak/osh mut
60 40 20 84.8 _bin/cxx-opt+bumproot/osh mut
70 42 27 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 60 36 73.3 osh-native mut+alloc
104 76 28 75.3 osh-native mut+alloc+free
154 125 28 51.5 osh-native mut+alloc+free+gc
158 142 16 52.1 osh-native mut+alloc+free+gc+exit
139 107 32 97.7 _bin/cxx-opt+nopool/osh mut+alloc
222 181 40 71.5 _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 2 0 1.4 dash -
6 3 3 3.0 bash -
8 0 7 3.3 zsh -
6 6 0 11.6 bumpleak/osh mut
7 7 0 11.0 _bin/cxx-opt+bumproot/osh mut
8 4 4 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.0 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 3 6 8.5 osh-native mut+alloc+free+gc
9 6 3 8.5 osh-native mut+alloc+free+gc+exit
12 6 6 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 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
10 10 0 1.3 dash -
29 29 0 2.9 bash -
24 12 12 3.3 zsh -
19 12 8 31.9 bumpleak/osh mut
26 22 4 32.3 _bin/cxx-opt+bumproot/osh mut
28 28 0 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 16 20 26.5 osh-native mut+alloc
38 29 8 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
55 27 27 35.7 _bin/cxx-opt+nopool/osh mut+alloc
37 33 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 65 8 3.1 bash -
169 116 52 53.4 bumpleak/osh mut
181 96 84 54.4 _bin/cxx-opt+bumproot/osh mut
193 136 56 55.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 139 72 46.5 osh-native mut+alloc
217 141 76 48.2 osh-native mut+alloc+free
182 121 61 8.5 osh-native mut+alloc+free+gc
181 116 64 8.5 osh-native mut+alloc+free+gc+exit
231 127 104 62.3 _bin/cxx-opt+nopool/osh mut+alloc
210 162 48 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 6 5 3.4 dash -
20 15 5 4.5 bash -
17 15 3 3.4 zsh -
20 15 5 12.0 bumpleak/osh mut
20 10 10 11.8 _bin/cxx-opt+bumproot/osh mut
21 18 3 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 19 3 10.7 osh-native mut+alloc
23 18 5 10.9 osh-native mut+alloc+free
23 21 2 8.9 osh-native mut+alloc+free+gc
23 16 8 8.9 osh-native mut+alloc+free+gc+exit
25 20 6 12.6 _bin/cxx-opt+nopool/osh mut+alloc
26 20 6 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc