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 35 6 12 12.0 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 40 6 14 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 145 27 71 45.9 51.6 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 157 28 73 45.9 52.4 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 10 1 2 2.6 8.8 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 11 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 25 0 2 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 226 0 4 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 236 0 5 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 23 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
7 6 1 1.6 dash -
13 11 2 3.3 bash -
92 50 49 3.5 zsh -
16 12 4 30.3 bumpleak/osh mut
17 10 7 30.3 _bin/cxx-opt+bumproot/osh mut
19 16 3 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 14 12 25.4 osh-native mut+alloc
28 18 10 26.0 osh-native mut+alloc+free
35 28 7 18.4 osh-native mut+alloc+free+gc
36 30 6 18.1 osh-native mut+alloc+free+gc+exit
29 18 11 26.0 osh-nosouffle mut+alloc
31 24 7 26.2 osh-nosouffle mut+alloc+free
40 33 7 18.7 osh-nosouffle mut+alloc+free+gc
38 28 10 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 17 22 32.9 _bin/cxx-opt+nopool/osh mut+alloc
50 36 14 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 37 5 3.5 bash -
335 195 164 3.7 zsh -
46 33 13 84.9 bumpleak/osh mut
48 35 13 85.3 _bin/cxx-opt+bumproot/osh mut
61 47 14 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 49 36 73.7 osh-native mut+alloc
90 53 38 75.5 osh-native mut+alloc+free
145 124 21 51.6 osh-native mut+alloc+free+gc
149 117 32 52.5 osh-native mut+alloc+free+gc+exit
92 60 32 74.2 osh-nosouffle mut+alloc
102 76 26 76.0 osh-nosouffle mut+alloc+free
157 135 22 52.4 osh-nosouffle mut+alloc+free+gc
161 137 24 52.8 osh-nosouffle mut+alloc+free+gc+exit
131 81 51 98.6 _bin/cxx-opt+nopool/osh mut+alloc
230 194 36 72.9 _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 2 0 1.6 dash -
4 3 1 3.3 bash -
7 5 2 3.4 zsh -
6 4 3 12.9 bumpleak/osh mut
6 5 1 12.8 _bin/cxx-opt+bumproot/osh mut
7 3 4 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
10 5 5 10.5 osh-native mut+alloc
9 9 0 10.9 osh-native mut+alloc+free
10 8 2 8.8 osh-native mut+alloc+free+gc
10 6 4 8.8 osh-native mut+alloc+free+gc+exit
9 6 3 11.1 osh-nosouffle mut+alloc
10 6 4 11.0 osh-nosouffle mut+alloc+free
11 7 4 9.2 osh-nosouffle mut+alloc+free+gc
11 6 5 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 5 7 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 9 4 9.7 _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 1.6 dash -
31 29 2 3.3 bash -
22 16 5 3.4 zsh -
18 13 4 32.4 bumpleak/osh mut
19 13 6 32.7 _bin/cxx-opt+bumproot/osh mut
22 15 7 33.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 12 26.9 osh-native mut+alloc
31 19 12 27.0 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 17 3 8.1 osh-native mut+alloc+free+gc+exit
34 21 12 27.4 osh-nosouffle mut+alloc
35 25 10 27.5 osh-nosouffle mut+alloc+free
25 20 6 8.7 osh-nosouffle mut+alloc+free+gc
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 28 18 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 27 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
103 101 2 3.4 bash -
218 166 52 56.9 bumpleak/osh mut
225 176 49 55.9 _bin/cxx-opt+bumproot/osh mut
243 186 57 57.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
263 194 69 48.8 osh-native mut+alloc
273 204 69 50.7 osh-native mut+alloc+free
226 179 47 9.2 osh-native mut+alloc+free+gc
227 174 53 9.2 osh-native mut+alloc+free+gc+exit
264 192 72 49.4 osh-nosouffle mut+alloc
277 208 69 51.3 osh-nosouffle mut+alloc+free
236 184 52 9.6 osh-nosouffle mut+alloc+free+gc
233 185 48 9.7 osh-nosouffle mut+alloc+free+gc+exit
282 205 77 66.0 _bin/cxx-opt+nopool/osh mut+alloc
251 214 37 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 4 5 3.9 dash -
16 12 5 4.8 bash -
16 4 13 4.1 zsh -
19 12 8 12.8 bumpleak/osh mut
19 10 9 14.4 _bin/cxx-opt+bumproot/osh mut
20 12 9 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 9 12 11.7 osh-native mut+alloc
22 9 13 11.8 osh-native mut+alloc+free
21 12 10 9.4 osh-native mut+alloc+free+gc
22 15 7 9.7 osh-native mut+alloc+free+gc+exit
21 11 10 12.1 osh-nosouffle mut+alloc
23 13 10 11.9 osh-nosouffle mut+alloc+free
23 14 10 10.0 osh-nosouffle mut+alloc+free+gc
23 16 8 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 13 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
25 15 10 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc