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 11 12.0 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 10 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 134 23 61 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 147 27 64 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 9.0 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.1 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 223 0 4 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 228 0 4 11.6 9.7 990,273 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 21 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
6 6 0 1.7 dash -
13 12 1 3.4 bash -
89 57 39 3.5 zsh -
15 12 3 30.2 bumpleak/osh mut
16 12 4 30.1 _bin/cxx-opt+bumproot/osh mut
19 14 5 30.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 10 25.3 osh-native mut+alloc
27 16 11 25.7 osh-native mut+alloc+free
33 28 4 18.4 osh-native mut+alloc+free+gc
33 27 6 18.2 osh-native mut+alloc+free+gc+exit
28 14 14 26.0 osh-nosouffle mut+alloc
30 18 12 26.3 osh-nosouffle mut+alloc+free
35 29 6 18.7 osh-nosouffle mut+alloc+free+gc
35 29 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 23 16 32.8 _bin/cxx-opt+nopool/osh mut+alloc
45 30 15 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
23 21 2 1.7 dash -
42 41 1 3.4 bash -
327 186 163 3.8 zsh -
45 38 7 85.4 bumpleak/osh mut
48 41 7 85.1 _bin/cxx-opt+bumproot/osh mut
59 45 14 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 49 33 73.7 osh-native mut+alloc
91 54 37 75.4 osh-native mut+alloc+free
134 108 26 51.7 osh-native mut+alloc+free+gc
138 111 27 52.5 osh-native mut+alloc+free+gc+exit
92 65 26 74.2 osh-nosouffle mut+alloc
102 69 33 75.9 osh-nosouffle mut+alloc+free
147 126 20 52.3 osh-nosouffle mut+alloc+free+gc
153 124 29 52.7 osh-nosouffle mut+alloc+free+gc+exit
125 77 48 98.3 _bin/cxx-opt+nopool/osh mut+alloc
203 177 26 72.2 _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
2 1 1 1.6 dash -
4 2 2 3.3 bash -
6 5 1 3.4 zsh -
6 4 2 12.7 bumpleak/osh mut
7 4 2 12.6 _bin/cxx-opt+bumproot/osh mut
7 6 1 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.4 osh-native mut+alloc
8 5 3 10.5 osh-native mut+alloc+free
9 6 4 8.7 osh-native mut+alloc+free+gc
9 8 1 8.8 osh-native mut+alloc+free+gc+exit
9 3 6 11.0 osh-nosouffle mut+alloc
9 4 5 11.4 osh-nosouffle mut+alloc+free
10 6 4 9.0 osh-nosouffle mut+alloc+free+gc
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 4 7 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 9.4 _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 1.4 dash -
31 31 0 3.1 bash -
21 18 3 3.4 zsh -
17 11 6 32.8 bumpleak/osh mut
18 13 5 33.8 _bin/cxx-opt+bumproot/osh mut
21 16 5 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 23 5 26.7 osh-native mut+alloc
30 20 10 27.1 osh-native mut+alloc+free
20 17 3 8.1 osh-native mut+alloc+free+gc
20 16 4 8.3 osh-native mut+alloc+free+gc+exit
34 26 7 27.3 osh-nosouffle mut+alloc
35 24 11 27.5 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 19 6 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 33 13 36.5 _bin/cxx-opt+nopool/osh mut+alloc
31 25 6 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
104 100 4 3.4 bash -
213 155 57 56.0 bumpleak/osh mut
221 171 50 56.5 _bin/cxx-opt+bumproot/osh mut
237 173 64 58.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 198 59 48.8 osh-native mut+alloc
263 181 82 50.7 osh-native mut+alloc+free
223 172 51 9.2 osh-native mut+alloc+free+gc
229 182 47 9.0 osh-native mut+alloc+free+gc+exit
263 201 62 49.3 osh-nosouffle mut+alloc
273 209 64 51.4 osh-nosouffle mut+alloc+free
228 172 56 9.7 osh-nosouffle mut+alloc+free+gc
231 186 45 9.7 osh-nosouffle mut+alloc+free+gc+exit
278 185 93 64.7 _bin/cxx-opt+nopool/osh mut+alloc
251 199 52 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
9 6 3 3.9 dash -
16 9 7 4.7 bash -
15 8 7 4.1 zsh -
17 9 8 13.9 bumpleak/osh mut
19 8 12 14.0 _bin/cxx-opt+bumproot/osh mut
19 11 8 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.5 osh-native mut+alloc
21 11 10 11.7 osh-native mut+alloc+free
20 10 11 9.4 osh-native mut+alloc+free+gc
21 11 11 9.6 osh-native mut+alloc+free+gc+exit
20 12 9 12.1 osh-nosouffle mut+alloc
21 13 9 12.3 osh-nosouffle mut+alloc+free
21 11 11 10.1 osh-nosouffle mut+alloc+free+gc
24 11 14 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 15 8 12.9 _bin/cxx-opt+nopool/osh mut+alloc
23 14 10 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc