Memory Management Overhead

Source code: oils/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 30 4 10 12.0 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 33 4 11 12.0 18.6 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 123 19 57 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 133 20 58 45.9 52.3 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 8 1 2 2.6 8.8 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 9 1 2 2.6 9.3 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.4 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 24 0 2 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 171 0 5 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 177 0 5 11.6 9.4 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 17 1 2 3.0 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 18 1 2 3.0 10.1 117,234 277 3 84,016 1 42,008 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
5 5 0 1.7 dash -
11 10 1 3.4 bash -
65 44 26 3.7 zsh -
16 11 5 30.1 bumpleak/osh mut
17 11 6 29.8 _bin/cxx-opt+bumproot/osh mut
19 15 5 29.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
23 14 10 25.6 osh-native mut+alloc
25 17 8 25.8 osh-native mut+alloc+free
30 25 5 18.4 osh-native mut+alloc+free+gc
32 28 4 18.4 osh-native mut+alloc+free+gc+exit
25 15 10 26.0 osh-nosouffle mut+alloc
28 21 7 26.3 osh-nosouffle mut+alloc+free
33 29 4 18.6 osh-nosouffle mut+alloc+free+gc
37 32 5 18.9 osh-nosouffle mut+alloc+free+gc+exit
33 26 7 32.3 _bin/cxx-opt+nopool/osh mut+alloc
42 35 7 22.5 _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
18 17 1 1.7 dash -
38 37 1 3.5 bash -
234 148 101 3.7 zsh -
50 32 18 84.7 bumpleak/osh mut
53 37 16 84.7 _bin/cxx-opt+bumproot/osh mut
60 42 19 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
71 48 23 73.8 osh-native mut+alloc
82 59 22 75.6 osh-native mut+alloc+free
123 107 16 51.9 osh-native mut+alloc+free+gc
130 109 21 52.4 osh-native mut+alloc+free+gc+exit
79 59 21 74.1 osh-nosouffle mut+alloc
91 71 20 76.0 osh-nosouffle mut+alloc+free
133 115 18 52.3 osh-nosouffle mut+alloc+free+gc
138 118 20 52.9 osh-nosouffle mut+alloc+free+gc+exit
110 72 38 98.9 _bin/cxx-opt+nopool/osh mut+alloc
182 157 25 73.2 _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
1 1 0 1.6 dash -
3 3 0 3.0 bash -
5 5 0 3.5 zsh -
5 4 1 13.1 bumpleak/osh mut
6 4 2 12.7 _bin/cxx-opt+bumproot/osh mut
6 6 0 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 5 1 10.6 osh-native mut+alloc
7 6 1 10.7 osh-native mut+alloc+free
8 5 3 8.8 osh-native mut+alloc+free+gc
8 8 0 8.8 osh-native mut+alloc+free+gc+exit
7 5 3 11.0 osh-nosouffle mut+alloc
8 4 4 11.1 osh-nosouffle mut+alloc+free
9 9 0 9.3 osh-nosouffle mut+alloc+free+gc
9 8 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
9 8 1 12.0 _bin/cxx-opt+nopool/osh mut+alloc
11 8 3 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
9 9 0 1.6 dash -
28 27 1 3.3 bash -
17 12 4 3.3 zsh -
18 12 6 33.7 bumpleak/osh mut
20 14 6 33.4 _bin/cxx-opt+bumproot/osh mut
24 17 7 33.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 10 27.0 osh-native mut+alloc
28 24 4 27.1 osh-native mut+alloc+free
20 19 1 8.4 osh-native mut+alloc+free+gc
20 19 0 8.3 osh-native mut+alloc+free+gc+exit
30 25 5 27.4 osh-nosouffle mut+alloc
33 26 7 27.7 osh-nosouffle mut+alloc+free
24 21 3 8.7 osh-nosouffle mut+alloc+free+gc
24 22 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
39 23 16 36.6 _bin/cxx-opt+nopool/osh mut+alloc
28 26 2 9.8 _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
97 94 2 3.4 bash -
173 148 25 58.1 bumpleak/osh mut
182 157 25 56.8 _bin/cxx-opt+bumproot/osh mut
187 146 41 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
193 168 25 48.9 osh-native mut+alloc
201 159 42 50.9 osh-native mut+alloc+free
171 160 11 9.0 osh-native mut+alloc+free+gc
172 148 24 9.2 osh-native mut+alloc+free+gc+exit
200 165 35 49.2 osh-nosouffle mut+alloc
208 167 41 51.4 osh-nosouffle mut+alloc+free
177 157 20 9.4 osh-nosouffle mut+alloc+free+gc
178 152 26 9.6 osh-nosouffle mut+alloc+free+gc+exit
218 166 52 65.6 _bin/cxx-opt+nopool/osh mut+alloc
200 186 14 10.5 _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
7 5 2 3.8 dash -
13 8 5 4.8 bash -
12 6 6 3.9 zsh -
16 7 9 13.7 bumpleak/osh mut
16 7 10 13.9 _bin/cxx-opt+bumproot/osh mut
16 8 9 14.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
16 8 8 11.7 osh-native mut+alloc
17 11 6 11.9 osh-native mut+alloc+free
17 13 5 9.4 osh-native mut+alloc+free+gc
18 12 7 9.7 osh-native mut+alloc+free+gc+exit
17 9 9 12.1 osh-nosouffle mut+alloc
18 9 10 12.3 osh-nosouffle mut+alloc+free
18 13 6 10.1 osh-nosouffle mut+alloc+free+gc
19 12 8 10.2 osh-nosouffle mut+alloc+free+gc+exit
18 13 5 13.1 _bin/cxx-opt+nopool/osh mut+alloc
20 14 6 10.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc