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 157 26 71 46.1 51.3 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 7.7 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.7 995,209 27,376 21 50,000 0 3,815 osh-native
ex.abuild-print-help 23 1 2 2.8 8.8 116,276 478 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 3.0 bash -
105 45 67 3.4 zsh -
16 16 0 27.9 bumpleak/osh mut
20 16 4 29.9 _bin/cxx-opt+bumproot/osh mut
22 15 7 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.2 osh-native mut+alloc
32 24 8 25.6 osh-native mut+alloc+free
36 28 8 17.8 osh-native mut+alloc+free+gc
36 32 4 18.0 osh-native mut+alloc+free+gc+exit
43 19 23 33.1 _bin/cxx-opt+nopool/osh mut+alloc
49 38 11 22.1 _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 -
77 77 0 3.3 bash -
376 204 195 3.4 zsh -
49 42 8 84.2 bumpleak/osh mut
61 61 0 84.4 _bin/cxx-opt+bumproot/osh mut
70 53 16 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 81 16 73.4 osh-native mut+alloc
104 68 36 75.3 osh-native mut+alloc+free
157 137 20 51.3 osh-native mut+alloc+free+gc
158 141 16 52.2 osh-native mut+alloc+free+gc+exit
139 110 28 99.5 _bin/cxx-opt+nopool/osh mut+alloc
228 200 28 72.1 _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 3.0 bash -
8 8 0 3.1 zsh -
6 3 3 12.2 bumpleak/osh mut
7 7 0 12.6 _bin/cxx-opt+bumproot/osh mut
8 8 0 11.5 _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 9 0 8.4 osh-native mut+alloc+free+gc
9 5 5 8.5 osh-native mut+alloc+free+gc+exit
12 12 0 11.3 _bin/cxx-opt+nopool/osh mut+alloc
13 6 6 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 -
29 24 4 3.0 bash -
24 16 8 3.3 zsh -
19 18 0 30.8 bumpleak/osh mut
25 21 4 32.4 _bin/cxx-opt+bumproot/osh mut
27 27 0 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 16 20 26.3 osh-native mut+alloc
38 33 4 26.6 osh-native mut+alloc+free
28 28 0 7.7 osh-native mut+alloc+free+gc
28 20 8 8.0 osh-native mut+alloc+free+gc+exit
54 33 21 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 32 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
72 64 8 3.1 bash -
169 96 72 53.8 bumpleak/osh mut
182 118 63 56.0 _bin/cxx-opt+bumproot/osh mut
193 118 75 55.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 125 85 46.9 osh-native mut+alloc
218 126 91 48.8 osh-native mut+alloc+free
181 110 71 8.7 osh-native mut+alloc+free+gc
181 104 76 8.7 osh-native mut+alloc+free+gc+exit
231 143 87 63.0 _bin/cxx-opt+nopool/osh mut+alloc
209 161 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 4 6 3.4 dash -
20 10 10 4.3 bash -
17 13 5 3.4 zsh -
18 6 13 11.6 bumpleak/osh mut
19 11 9 13.3 _bin/cxx-opt+bumproot/osh mut
23 22 2 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 18 5 10.9 osh-native mut+alloc
22 13 10 11.0 osh-native mut+alloc+free
23 12 11 8.8 osh-native mut+alloc+free+gc
23 22 2 8.9 osh-native mut+alloc+free+gc+exit
24 19 6 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 20 6 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc