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 18.1 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 5 12 12.0 18.9 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 129 20 62 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 140 21 64 45.9 52.4 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 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 8.3 572,128 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 174 0 5 11.6 9.3 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 178 0 6 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 18 1 2 3.0 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 19 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 11 0 3.4 bash -
68 49 24 3.5 zsh -
16 11 5 29.1 bumpleak/osh mut
18 9 9 29.3 _bin/cxx-opt+bumproot/osh mut
20 14 6 29.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 15 7 25.4 osh-native mut+alloc
25 19 6 26.0 osh-native mut+alloc+free
31 26 5 18.1 osh-native mut+alloc+free+gc
33 26 7 18.4 osh-native mut+alloc+free+gc+exit
24 18 6 26.1 osh-nosouffle mut+alloc
29 23 6 26.2 osh-nosouffle mut+alloc+free
35 29 6 18.9 osh-nosouffle mut+alloc+free+gc
36 32 4 18.7 osh-nosouffle mut+alloc+free+gc+exit
33 22 12 32.5 _bin/cxx-opt+nopool/osh mut+alloc
44 33 11 22.6 _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 38 0 3.5 bash -
245 158 102 3.5 zsh -
49 33 16 86.1 bumpleak/osh mut
54 41 13 86.1 _bin/cxx-opt+bumproot/osh mut
62 45 17 87.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
72 48 24 73.8 osh-native mut+alloc
82 53 29 75.6 osh-native mut+alloc+free
129 116 13 51.9 osh-native mut+alloc+free+gc
136 121 15 52.4 osh-native mut+alloc+free+gc+exit
79 53 26 74.2 osh-nosouffle mut+alloc
90 64 26 76.0 osh-nosouffle mut+alloc+free
140 123 17 52.4 osh-nosouffle mut+alloc+free+gc
151 128 23 52.9 osh-nosouffle mut+alloc+free+gc+exit
112 72 39 99.1 _bin/cxx-opt+nopool/osh mut+alloc
186 162 24 72.5 _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 1.8 dash -
3 3 0 3.3 bash -
5 1 4 3.5 zsh -
6 3 3 12.8 bumpleak/osh mut
6 4 2 13.0 _bin/cxx-opt+bumproot/osh mut
7 3 4 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 5 2 10.6 osh-native mut+alloc
7 6 1 10.7 osh-native mut+alloc+free
9 6 2 8.8 osh-native mut+alloc+free+gc
9 6 3 8.9 osh-native mut+alloc+free+gc+exit
8 4 4 11.1 osh-nosouffle mut+alloc
8 5 3 11.3 osh-nosouffle mut+alloc+free
10 10 0 9.3 osh-nosouffle mut+alloc+free+gc
10 9 1 9.2 osh-nosouffle mut+alloc+free+gc+exit
9 6 3 11.9 _bin/cxx-opt+nopool/osh mut+alloc
11 8 3 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 8 1 1.6 dash -
29 29 0 3.3 bash -
17 14 3 3.3 zsh -
18 12 6 32.1 bumpleak/osh mut
20 13 8 32.2 _bin/cxx-opt+bumproot/osh mut
23 17 6 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 16 9 26.9 osh-native mut+alloc
28 19 9 27.1 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
31 24 7 27.4 osh-nosouffle mut+alloc
33 25 8 27.7 osh-nosouffle mut+alloc+free
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc+exit
40 23 17 36.3 _bin/cxx-opt+nopool/osh mut+alloc
29 28 1 9.7 _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
96 94 2 3.4 bash -
171 134 37 56.0 bumpleak/osh mut
180 156 24 57.2 _bin/cxx-opt+bumproot/osh mut
189 158 31 57.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
194 159 35 48.8 osh-native mut+alloc
204 169 35 50.8 osh-native mut+alloc+free
174 154 20 9.3 osh-native mut+alloc+free+gc
173 153 20 9.3 osh-native mut+alloc+free+gc+exit
200 170 30 49.3 osh-nosouffle mut+alloc
209 182 27 51.4 osh-nosouffle mut+alloc+free
178 152 26 9.6 osh-nosouffle mut+alloc+free+gc
178 152 26 10.0 osh-nosouffle mut+alloc+free+gc+exit
220 179 41 65.0 _bin/cxx-opt+nopool/osh mut+alloc
205 185 20 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 6 2 3.9 dash -
14 7 7 4.8 bash -
12 6 6 4.1 zsh -
15 7 9 12.5 bumpleak/osh mut
17 10 7 13.8 _bin/cxx-opt+bumproot/osh mut
16 7 9 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
16 9 8 11.7 osh-native mut+alloc
18 10 8 11.8 osh-native mut+alloc+free
18 10 9 9.4 osh-native mut+alloc+free+gc
19 12 8 9.7 osh-native mut+alloc+free+gc+exit
18 9 9 12.2 osh-nosouffle mut+alloc
19 11 8 12.3 osh-nosouffle mut+alloc+free
19 12 7 10.1 osh-nosouffle mut+alloc+free+gc
20 15 6 10.2 osh-nosouffle mut+alloc+free+gc+exit
19 11 8 13.2 _bin/cxx-opt+nopool/osh mut+alloc
21 15 7 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc