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 17.8 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 142 22 56 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 8.5 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 1 2.4 8.0 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 179 0 3 10.3 8.7 995,244 12,911 21 50,000 0 3,834 osh-native
ex.abuild-print-help 22 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 1.4 dash -
23 19 4 3.1 bash -
105 56 55 3.4 zsh -
17 16 0 28.3 bumpleak/osh mut
19 15 4 29.2 _bin/cxx-opt+bumproot/osh mut
22 18 4 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 15 15 25.0 osh-native mut+alloc
31 19 12 25.4 osh-native mut+alloc+free
35 27 8 17.8 osh-native mut+alloc+free+gc
36 28 8 18.0 osh-native mut+alloc+free+gc+exit
43 31 12 32.9 _bin/cxx-opt+nopool/osh mut+alloc
47 31 16 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 -
78 77 0 3.3 bash -
376 215 181 3.7 zsh -
49 45 4 84.2 bumpleak/osh mut
59 47 12 85.6 _bin/cxx-opt+bumproot/osh mut
69 62 8 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 82 16 73.4 osh-native mut+alloc
104 80 24 75.3 osh-native mut+alloc+free
142 126 16 49.9 osh-native mut+alloc+free+gc
148 136 12 50.7 osh-native mut+alloc+free+gc+exit
138 83 55 98.8 _bin/cxx-opt+nopool/osh mut+alloc
198 174 24 67.1 _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 0 8 3.4 zsh -
6 6 0 12.2 bumpleak/osh mut
7 6 0 12.5 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.2 osh-native mut+alloc
8 4 4 10.0 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
11 11 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 11 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
10 10 0 1.4 dash -
28 24 4 3.0 bash -
24 24 0 3.3 zsh -
19 19 0 31.9 bumpleak/osh mut
25 21 4 31.5 _bin/cxx-opt+bumproot/osh mut
28 20 8 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 32 4 26.1 osh-native mut+alloc
37 26 11 26.3 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 23 4 7.9 osh-native mut+alloc+free+gc+exit
54 41 12 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 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 3.0 bash -
168 136 32 53.8 bumpleak/osh mut
179 103 75 56.2 _bin/cxx-opt+bumproot/osh mut
194 123 71 56.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 105 105 47.1 osh-native mut+alloc
216 148 68 48.8 osh-native mut+alloc+free
179 135 44 8.7 osh-native mut+alloc+free+gc
179 127 52 8.8 osh-native mut+alloc+free+gc+exit
230 145 84 63.1 _bin/cxx-opt+nopool/osh mut+alloc
208 167 41 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 6 4 3.4 dash -
20 13 7 4.5 bash -
17 13 5 3.5 zsh -
18 7 11 13.0 bumpleak/osh mut
21 8 13 13.4 _bin/cxx-opt+bumproot/osh mut
20 19 2 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 11 10 10.9 osh-native mut+alloc
22 10 13 11.0 osh-native mut+alloc+free
22 17 5 9.0 osh-native mut+alloc+free+gc
22 21 2 9.0 osh-native mut+alloc+free+gc+exit
25 15 9 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc