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 31 4 11 12.0 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 33 4 10 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 125 20 59 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 140 20 61 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 8.7 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 9 1 2 2.6 9.2 102,804 180 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 25 0 2 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 171 0 5 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 174 0 5 11.6 9.8 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 17 1 2 3.0 9.6 117,259 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 18 1 2 3.0 10.1 117,258 277 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 1.6 dash -
11 10 1 3.3 bash -
66 42 28 3.5 zsh -
16 12 4 30.3 bumpleak/osh mut
18 10 7 30.4 _bin/cxx-opt+bumproot/osh mut
19 14 5 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 12 10 25.7 osh-native mut+alloc
25 18 7 26.0 osh-native mut+alloc+free
31 26 4 18.4 osh-native mut+alloc+free+gc
32 28 4 18.2 osh-native mut+alloc+free+gc+exit
24 16 8 25.8 osh-nosouffle mut+alloc
27 19 8 26.3 osh-nosouffle mut+alloc+free
33 26 7 18.7 osh-nosouffle mut+alloc+free+gc
35 29 5 18.8 osh-nosouffle mut+alloc+free+gc+exit
33 22 11 33.1 _bin/cxx-opt+nopool/osh mut+alloc
43 34 8 22.7 _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 18 0 1.7 dash -
38 35 3 3.5 bash -
234 146 102 3.7 zsh -
48 32 16 84.8 bumpleak/osh mut
52 37 15 86.6 _bin/cxx-opt+bumproot/osh mut
62 48 14 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
71 43 29 73.8 osh-native mut+alloc
82 55 27 75.6 osh-native mut+alloc+free
125 111 14 51.9 osh-native mut+alloc+free+gc
129 108 21 52.5 osh-native mut+alloc+free+gc+exit
81 56 25 74.1 osh-nosouffle mut+alloc
92 65 26 76.0 osh-nosouffle mut+alloc+free
140 124 16 52.3 osh-nosouffle mut+alloc+free+gc
140 120 20 52.9 osh-nosouffle mut+alloc+free+gc+exit
109 67 42 99.4 _bin/cxx-opt+nopool/osh mut+alloc
174 155 19 72.6 _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 1.7 dash -
3 3 0 3.1 bash -
5 1 4 3.4 zsh -
6 4 2 12.9 bumpleak/osh mut
6 5 1 11.2 _bin/cxx-opt+bumproot/osh mut
6 4 3 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 3 4 10.6 osh-native mut+alloc
7 4 3 10.7 osh-native mut+alloc+free
8 6 2 8.7 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
7 5 2 10.9 osh-nosouffle mut+alloc
8 5 3 11.1 osh-nosouffle mut+alloc+free
9 5 5 9.2 osh-nosouffle mut+alloc+free+gc
9 7 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
9 6 3 11.9 _bin/cxx-opt+nopool/osh mut+alloc
11 10 1 9.6 _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 -
29 28 1 3.4 bash -
16 13 3 3.4 zsh -
19 14 5 33.4 bumpleak/osh mut
20 15 5 32.6 _bin/cxx-opt+bumproot/osh mut
23 17 6 34.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 20 5 27.0 osh-native mut+alloc
28 18 9 27.2 osh-native mut+alloc+free
20 19 1 8.4 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
30 21 9 27.4 osh-nosouffle mut+alloc
46 36 10 27.7 osh-nosouffle mut+alloc+free
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
39 25 14 36.3 _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 3 3.4 bash -
172 148 24 57.3 bumpleak/osh mut
181 154 27 56.6 _bin/cxx-opt+bumproot/osh mut
188 157 31 58.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
193 158 35 48.8 osh-native mut+alloc
201 161 40 50.9 osh-native mut+alloc+free
171 150 21 9.2 osh-native mut+alloc+free+gc
174 153 20 9.2 osh-native mut+alloc+free+gc+exit
198 163 35 49.4 osh-nosouffle mut+alloc
206 168 38 51.4 osh-nosouffle mut+alloc+free
174 157 17 9.8 osh-nosouffle mut+alloc+free+gc
175 160 15 9.8 osh-nosouffle mut+alloc+free+gc+exit
220 177 43 64.1 _bin/cxx-opt+nopool/osh mut+alloc
202 184 18 10.7 _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 3 4 3.9 dash -
13 8 5 4.7 bash -
11 5 7 4.1 zsh -
14 8 6 12.3 bumpleak/osh mut
15 7 9 14.4 _bin/cxx-opt+bumproot/osh mut
15 8 8 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
16 10 6 11.8 osh-native mut+alloc
17 12 5 11.8 osh-native mut+alloc+free
17 9 9 9.6 osh-native mut+alloc+free+gc
18 11 8 9.8 osh-native mut+alloc+free+gc+exit
17 8 9 12.2 osh-nosouffle mut+alloc
18 9 10 12.5 osh-nosouffle mut+alloc+free
18 12 6 10.1 osh-nosouffle mut+alloc+free+gc
19 10 9 10.2 osh-nosouffle mut+alloc+free+gc+exit
18 13 6 13.2 _bin/cxx-opt+nopool/osh mut+alloc
20 12 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc