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 18.0 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 146 23 58 44.6 49.8 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 29 0 1 2.4 7.9 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 183 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 8.8 116,311 270 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 23 0 3.0 bash -
105 63 48 3.3 zsh -
16 8 8 29.7 bumpleak/osh mut
19 19 0 29.7 _bin/cxx-opt+bumproot/osh mut
22 22 0 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 12 25.3 osh-native mut+alloc
32 12 20 25.6 osh-native mut+alloc+free
36 24 12 18.0 osh-native mut+alloc+free+gc
37 32 4 17.8 osh-native mut+alloc+free+gc+exit
44 28 16 32.1 _bin/cxx-opt+nopool/osh mut+alloc
47 38 8 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 1.6 dash -
78 78 0 3.1 bash -
371 211 180 3.5 zsh -
48 40 8 85.3 bumpleak/osh mut
60 48 12 84.5 _bin/cxx-opt+bumproot/osh mut
70 70 0 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 74 23 73.2 osh-native mut+alloc
105 69 36 75.4 osh-native mut+alloc+free
146 133 12 49.8 osh-native mut+alloc+free+gc
150 134 16 50.6 osh-native mut+alloc+free+gc+exit
140 96 44 98.7 _bin/cxx-opt+nopool/osh mut+alloc
212 180 32 67.9 _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 3 3 3.0 bash -
8 4 4 3.4 zsh -
6 0 6 11.0 bumpleak/osh mut
7 0 7 12.1 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.8 osh-native mut+alloc
8 9 0 10.0 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.5 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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 1.4 dash -
28 28 0 2.9 bash -
24 19 4 3.3 zsh -
19 19 0 31.3 bumpleak/osh mut
26 19 7 32.4 _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
39 26 13 26.5 osh-native mut+alloc+free
29 28 0 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
55 43 12 35.7 _bin/cxx-opt+nopool/osh mut+alloc
38 38 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
75 71 4 3.1 bash -
171 103 67 54.0 bumpleak/osh mut
180 136 44 54.5 _bin/cxx-opt+bumproot/osh mut
194 131 63 56.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 149 60 47.0 osh-native mut+alloc
219 143 75 48.8 osh-native mut+alloc+free
183 131 52 8.7 osh-native mut+alloc+free+gc
180 124 56 8.7 osh-native mut+alloc+free+gc+exit
233 148 84 63.7 _bin/cxx-opt+nopool/osh mut+alloc
211 147 64 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 4 6 3.5 dash -
20 16 4 4.5 bash -
17 9 9 3.5 zsh -
18 10 9 11.5 bumpleak/osh mut
19 11 8 12.0 _bin/cxx-opt+bumproot/osh mut
19 17 3 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 9 13 11.0 osh-native mut+alloc
22 12 10 11.0 osh-native mut+alloc+free
22 15 7 8.8 osh-native mut+alloc+free+gc
22 14 9 9.2 osh-native mut+alloc+free+gc+exit
24 20 5 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 15 10 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc