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 147 23 61 46.1 51.5 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 7.9 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 179 0 3 10.6 8.7 995,209 27,376 21 50,000 0 3,815 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,276 478 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 19 4 3.0 bash -
104 57 53 3.3 zsh -
17 12 4 28.5 bumpleak/osh mut
19 11 8 29.3 _bin/cxx-opt+bumproot/osh mut
23 19 4 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 26 4 25.0 osh-native mut+alloc
31 8 23 25.6 osh-native mut+alloc+free
35 31 4 17.8 osh-native mut+alloc+free+gc
36 28 8 18.0 osh-native mut+alloc+free+gc+exit
44 28 16 32.2 _bin/cxx-opt+nopool/osh mut+alloc
47 31 16 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 18 4 1.4 dash -
79 75 4 3.1 bash -
373 214 179 3.5 zsh -
49 41 8 84.1 bumpleak/osh mut
61 52 8 86.1 _bin/cxx-opt+bumproot/osh mut
70 54 16 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 72 24 73.4 osh-native mut+alloc
106 69 36 75.3 osh-native mut+alloc+free
147 115 32 51.5 osh-native mut+alloc+free+gc
156 132 24 52.1 osh-native mut+alloc+free+gc+exit
139 95 44 97.8 _bin/cxx-opt+nopool/osh mut+alloc
210 174 36 73.3 _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 1.3 dash -
6 3 3 3.0 bash -
8 4 4 3.3 zsh -
5 5 0 11.9 bumpleak/osh mut
7 3 3 11.1 _bin/cxx-opt+bumproot/osh mut
8 0 8 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
8 0 8 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 4 4 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 7 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
10 7 3 1.6 dash -
28 24 4 2.9 bash -
24 12 12 3.3 zsh -
18 18 0 32.7 bumpleak/osh mut
25 17 8 32.1 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 31 4 26.5 osh-native mut+alloc
37 26 11 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 27 0 7.9 osh-native mut+alloc+free+gc+exit
53 33 20 36.1 _bin/cxx-opt+nopool/osh mut+alloc
37 36 0 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 73 0 3.1 bash -
169 108 60 54.1 bumpleak/osh mut
179 115 64 55.1 _bin/cxx-opt+bumproot/osh mut
200 131 67 55.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 149 60 47.1 osh-native mut+alloc
217 140 76 48.8 osh-native mut+alloc+free
179 115 64 8.7 osh-native mut+alloc+free+gc
179 119 60 8.7 osh-native mut+alloc+free+gc+exit
233 152 80 63.8 _bin/cxx-opt+nopool/osh mut+alloc
205 157 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 9 2 3.4 dash -
20 11 9 4.5 bash -
18 10 8 3.5 zsh -
20 11 10 12.8 bumpleak/osh mut
19 18 2 12.1 _bin/cxx-opt+bumproot/osh mut
21 15 6 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 19 2 10.7 osh-native mut+alloc
22 13 10 10.9 osh-native mut+alloc+free
22 18 5 8.9 osh-native mut+alloc+free+gc
23 16 7 8.8 osh-native mut+alloc+free+gc+exit
24 17 8 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 23 2 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc