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 33 4 10 12.0 18.1 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 142 23 67 45.9 51.6 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 142 26 61 45.9 52.3 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.2 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 24 0 1 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 229 0 4 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.0 117,234 277 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
6 6 0 1.6 dash -
13 11 2 3.4 bash -
91 53 45 3.5 zsh -
16 11 5 29.1 bumpleak/osh mut
16 13 3 29.2 _bin/cxx-opt+bumproot/osh mut
19 14 5 30.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 19 7 25.6 osh-native mut+alloc
28 16 12 25.7 osh-native mut+alloc+free
33 29 3 18.1 osh-native mut+alloc+free+gc
34 27 6 18.2 osh-native mut+alloc+free+gc+exit
28 15 13 25.8 osh-nosouffle mut+alloc
32 16 16 26.2 osh-nosouffle mut+alloc+free
34 29 5 18.7 osh-nosouffle mut+alloc+free+gc
36 29 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 22 18 32.2 _bin/cxx-opt+nopool/osh mut+alloc
44 32 12 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
23 23 0 1.7 dash -
42 41 1 3.5 bash -
331 196 156 3.7 zsh -
46 36 10 86.1 bumpleak/osh mut
48 37 11 85.8 _bin/cxx-opt+bumproot/osh mut
60 42 18 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 49 33 73.7 osh-native mut+alloc
91 57 34 75.5 osh-native mut+alloc+free
142 118 24 51.6 osh-native mut+alloc+free+gc
141 120 21 52.1 osh-native mut+alloc+free+gc+exit
91 52 38 74.2 osh-nosouffle mut+alloc
99 61 38 76.0 osh-nosouffle mut+alloc+free
142 120 22 52.3 osh-nosouffle mut+alloc+free+gc
156 129 27 52.8 osh-nosouffle mut+alloc+free+gc+exit
124 64 60 98.5 _bin/cxx-opt+nopool/osh mut+alloc
191 152 39 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
2 1 1 1.7 dash -
4 3 1 3.1 bash -
6 4 3 3.5 zsh -
7 3 3 12.2 bumpleak/osh mut
6 3 3 11.5 _bin/cxx-opt+bumproot/osh mut
7 5 2 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
8 7 1 10.7 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 5 4 8.8 osh-native mut+alloc+free+gc+exit
9 6 2 11.0 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 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 -
31 29 2 3.3 bash -
21 11 10 3.4 zsh -
17 13 4 33.3 bumpleak/osh mut
19 14 5 32.7 _bin/cxx-opt+bumproot/osh mut
21 18 3 34.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 9 26.9 osh-native mut+alloc
32 23 9 27.1 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
22 18 4 8.3 osh-native mut+alloc+free+gc+exit
33 25 8 27.4 osh-nosouffle mut+alloc
35 21 14 27.6 osh-nosouffle mut+alloc+free
24 22 2 8.8 osh-nosouffle mut+alloc+free+gc
24 23 1 8.9 osh-nosouffle mut+alloc+free+gc+exit
46 34 12 36.1 _bin/cxx-opt+nopool/osh mut+alloc
32 29 3 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
103 102 1 3.5 bash -
231 178 54 57.5 bumpleak/osh mut
228 171 57 56.7 _bin/cxx-opt+bumproot/osh mut
241 183 57 58.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 185 69 48.6 osh-native mut+alloc
263 196 68 50.9 osh-native mut+alloc+free
221 185 36 9.2 osh-native mut+alloc+free+gc
223 172 51 9.0 osh-native mut+alloc+free+gc+exit
263 194 69 49.3 osh-nosouffle mut+alloc
271 203 68 51.3 osh-nosouffle mut+alloc+free
229 182 47 9.6 osh-nosouffle mut+alloc+free+gc
227 188 39 9.7 osh-nosouffle mut+alloc+free+gc+exit
280 206 74 65.1 _bin/cxx-opt+nopool/osh mut+alloc
249 199 50 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
9 4 5 3.8 dash -
16 8 8 4.8 bash -
15 6 10 3.9 zsh -
20 10 10 13.0 bumpleak/osh mut
18 9 9 13.0 _bin/cxx-opt+bumproot/osh mut
19 7 13 14.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 12 8 11.5 osh-native mut+alloc
21 10 11 11.7 osh-native mut+alloc+free
20 12 9 9.4 osh-native mut+alloc+free+gc
21 11 11 9.6 osh-native mut+alloc+free+gc+exit
20 8 13 12.1 osh-nosouffle mut+alloc
22 11 11 12.3 osh-nosouffle mut+alloc+free
22 9 13 10.0 osh-nosouffle mut+alloc+free+gc
22 13 10 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 8 15 13.1 _bin/cxx-opt+nopool/osh mut+alloc
26 15 12 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc