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 3 10 12.0 18.0 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 166 27 78 46.1 51.2 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 182 0 4 10.6 8.8 995,209 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 3 3 1.6 dash -
23 23 0 3.1 bash -
105 60 52 3.4 zsh -
17 7 10 28.8 bumpleak/osh mut
19 15 5 28.2 _bin/cxx-opt+bumproot/osh mut
23 19 4 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 19 11 25.2 osh-native mut+alloc
32 24 8 25.4 osh-native mut+alloc+free
36 28 8 18.0 osh-native mut+alloc+free+gc
38 30 8 17.8 osh-native mut+alloc+free+gc+exit
44 32 12 33.3 _bin/cxx-opt+nopool/osh mut+alloc
49 37 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
21 21 0 1.6 dash -
78 78 0 3.1 bash -
383 235 171 3.5 zsh -
50 31 19 85.6 bumpleak/osh mut
61 49 12 84.4 _bin/cxx-opt+bumproot/osh mut
70 54 16 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 60 36 73.5 osh-native mut+alloc
104 60 44 75.3 osh-native mut+alloc+free
166 141 24 51.2 osh-native mut+alloc+free+gc
167 143 24 52.2 osh-native mut+alloc+free+gc+exit
140 92 48 98.8 _bin/cxx-opt+nopool/osh mut+alloc
237 204 32 72.2 _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 2.9 bash -
8 0 7 3.1 zsh -
6 0 6 10.2 bumpleak/osh mut
7 6 0 12.0 _bin/cxx-opt+bumproot/osh mut
8 4 4 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 9.7 osh-native mut+alloc
9 9 0 9.8 osh-native mut+alloc+free
9 6 3 8.4 osh-native mut+alloc+free+gc
9 6 3 8.4 osh-native mut+alloc+free+gc+exit
12 12 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
13 13 0 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 11 0 1.4 dash -
28 28 0 2.9 bash -
24 16 8 3.3 zsh -
19 19 0 31.8 bumpleak/osh mut
26 22 4 31.9 _bin/cxx-opt+bumproot/osh mut
28 23 5 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.3 osh-native mut+alloc
39 31 8 26.7 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 20 8 7.9 osh-native mut+alloc+free+gc+exit
54 35 19 36.2 _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
73 69 4 3.1 bash -
166 99 67 54.6 bumpleak/osh mut
179 118 61 55.2 _bin/cxx-opt+bumproot/osh mut
193 137 56 56.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 142 69 47.1 osh-native mut+alloc
219 147 71 48.9 osh-native mut+alloc+free
182 106 75 8.8 osh-native mut+alloc+free+gc
183 135 48 8.7 osh-native mut+alloc+free+gc+exit
233 182 51 64.2 _bin/cxx-opt+nopool/osh mut+alloc
210 170 40 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 16 4 4.3 bash -
18 12 7 3.5 zsh -
20 13 8 11.9 bumpleak/osh mut
20 11 10 11.8 _bin/cxx-opt+bumproot/osh mut
21 12 10 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 19 3 10.7 osh-native mut+alloc
24 12 12 10.9 osh-native mut+alloc+free
23 15 8 8.8 osh-native mut+alloc+free+gc
24 19 5 8.8 osh-native mut+alloc+free+gc+exit
25 15 11 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 24 3 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc