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 18.0 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 147 24 60 44.6 49.9 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 9 1 1 2.6 8.4 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 2 2.4 8.0 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 180 0 4 10.3 8.5 995,244 12,911 21 50,000 0 3,834 osh-native
ex.abuild-print-help 23 1 2 2.8 9.0 116,311 270 3 85,370 1 42,685 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 -
24 20 4 3.1 bash -
104 47 63 3.4 zsh -
16 8 8 28.7 bumpleak/osh mut
20 16 4 28.8 _bin/cxx-opt+bumproot/osh mut
25 24 0 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 25 4 25.0 osh-native mut+alloc
31 16 16 25.4 osh-native mut+alloc+free
35 27 8 18.0 osh-native mut+alloc+free+gc
36 28 8 18.0 osh-native mut+alloc+free+gc+exit
42 31 12 31.9 _bin/cxx-opt+nopool/osh mut+alloc
47 35 12 22.0 _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 14 7 1.6 dash -
77 77 0 3.1 bash -
374 220 174 3.4 zsh -
49 36 12 84.6 bumpleak/osh mut
61 57 4 85.4 _bin/cxx-opt+bumproot/osh mut
70 41 29 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 61 36 73.4 osh-native mut+alloc
105 60 44 75.2 osh-native mut+alloc+free
147 118 28 49.9 osh-native mut+alloc+free+gc
158 130 28 50.4 osh-native mut+alloc+free+gc+exit
140 84 56 99.3 _bin/cxx-opt+nopool/osh mut+alloc
223 186 36 67.7 _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 6 0 3.0 bash -
8 8 0 3.3 zsh -
6 0 6 11.3 bumpleak/osh mut
7 3 3 11.8 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.2 osh-native mut+alloc
9 0 9 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 12 0 11.1 _bin/cxx-opt+nopool/osh mut+alloc
11 4 8 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 1.3 dash -
28 28 0 3.0 bash -
24 12 12 3.4 zsh -
19 19 0 31.2 bumpleak/osh mut
25 21 4 31.4 _bin/cxx-opt+bumproot/osh mut
29 25 4 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 32 4 26.2 osh-native mut+alloc
40 28 12 26.5 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 21 7 7.7 osh-native mut+alloc+free+gc+exit
54 37 16 35.8 _bin/cxx-opt+nopool/osh mut+alloc
38 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
75 71 4 3.0 bash -
169 110 59 54.5 bumpleak/osh mut
179 103 76 55.8 _bin/cxx-opt+bumproot/osh mut
193 125 68 56.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 146 63 46.9 osh-native mut+alloc
216 124 92 48.7 osh-native mut+alloc+free
180 119 60 8.5 osh-native mut+alloc+free+gc
180 120 60 8.7 osh-native mut+alloc+free+gc+exit
233 168 64 62.7 _bin/cxx-opt+nopool/osh mut+alloc
209 165 43 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 3.5 dash -
20 16 5 4.3 bash -
18 14 5 3.4 zsh -
18 14 4 11.6 bumpleak/osh mut
21 10 11 12.8 _bin/cxx-opt+bumproot/osh mut
22 10 12 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 11 11 11.1 osh-native mut+alloc
23 16 8 11.0 osh-native mut+alloc+free
23 14 9 9.0 osh-native mut+alloc+free+gc
23 22 2 8.9 osh-native mut+alloc+free+gc+exit
25 19 7 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 11 15 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc