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 170 26 81 44.6 49.8 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 10 1 1 2.6 8.3 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 1 2.4 7.9 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 177 0 3 10.3 8.7 995,244 12,911 21 50,000 0 3,834 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,311 270 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 -
23 19 4 3.1 bash -
104 59 52 3.4 zsh -
16 8 8 28.2 bumpleak/osh mut
19 19 0 29.8 _bin/cxx-opt+bumproot/osh mut
22 15 7 28.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 18 11 25.0 osh-native mut+alloc
32 24 8 25.7 osh-native mut+alloc+free
35 30 4 17.8 osh-native mut+alloc+free+gc
37 24 12 18.0 osh-native mut+alloc+free+gc+exit
43 23 20 32.7 _bin/cxx-opt+nopool/osh mut+alloc
50 34 15 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 -
78 74 4 3.0 bash -
379 231 168 3.5 zsh -
48 40 8 84.4 bumpleak/osh mut
59 59 0 85.6 _bin/cxx-opt+bumproot/osh mut
70 54 16 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 59 39 73.4 osh-native mut+alloc
106 94 12 75.3 osh-native mut+alloc+free
170 149 20 49.8 osh-native mut+alloc+free+gc
155 119 36 50.4 osh-native mut+alloc+free+gc+exit
140 80 60 99.6 _bin/cxx-opt+nopool/osh mut+alloc
212 171 40 67.4 _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 7 3.4 zsh -
6 6 0 12.2 bumpleak/osh mut
7 4 4 11.8 _bin/cxx-opt+bumproot/osh mut
7 7 0 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.2 osh-native mut+alloc
9 3 6 10.1 osh-native mut+alloc+free
10 5 5 8.3 osh-native mut+alloc+free+gc
9 9 0 8.4 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 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 1.6 dash -
28 24 4 2.9 bash -
24 20 4 3.3 zsh -
19 11 7 31.1 bumpleak/osh mut
26 22 4 32.1 _bin/cxx-opt+bumproot/osh mut
29 25 4 31.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 36 0 26.3 osh-native mut+alloc
38 25 13 26.5 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
54 38 15 35.9 _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 73 0 3.1 bash -
167 80 87 55.7 bumpleak/osh mut
178 87 91 56.0 _bin/cxx-opt+bumproot/osh mut
193 114 79 56.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 112 96 47.0 osh-native mut+alloc
219 135 83 48.6 osh-native mut+alloc+free
177 117 60 8.7 osh-native mut+alloc+free+gc
179 118 61 8.5 osh-native mut+alloc+free+gc+exit
231 154 77 63.8 _bin/cxx-opt+nopool/osh mut+alloc
209 160 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 1 3.5 dash -
20 15 5 4.3 bash -
18 13 5 3.4 zsh -
18 14 4 11.5 bumpleak/osh mut
21 18 3 13.4 _bin/cxx-opt+bumproot/osh mut
21 13 9 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 12 9 11.0 osh-native mut+alloc
22 6 16 11.1 osh-native mut+alloc+free
23 14 9 8.9 osh-native mut+alloc+free+gc
23 20 4 8.9 osh-native mut+alloc+free+gc+exit
25 19 6 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 19 6 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc