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 18.4 471,276 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 144 25 69 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 142 24 59 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 8.8 102,804 180 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 25 0 2 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 224 0 3 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 230 0 4 11.6 9.7 990,273 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 21 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 3.3 bash -
90 54 44 3.5 zsh -
15 11 4 29.5 bumpleak/osh mut
16 12 4 29.4 _bin/cxx-opt+bumproot/osh mut
19 12 7 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.4 osh-native mut+alloc
28 21 7 25.8 osh-native mut+alloc+free
33 26 7 18.4 osh-native mut+alloc+free+gc
32 28 4 18.2 osh-native mut+alloc+free+gc+exit
28 20 8 26.0 osh-nosouffle mut+alloc
30 17 13 26.3 osh-nosouffle mut+alloc+free
35 32 3 18.7 osh-nosouffle mut+alloc+free+gc
36 29 8 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 23 16 33.6 _bin/cxx-opt+nopool/osh mut+alloc
47 40 7 22.5 _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 22 1 1.7 dash -
43 41 2 3.4 bash -
323 192 155 3.7 zsh -
45 38 7 86.2 bumpleak/osh mut
48 39 9 86.0 _bin/cxx-opt+bumproot/osh mut
59 46 12 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 57 26 73.8 osh-native mut+alloc
91 59 32 75.6 osh-native mut+alloc+free
144 118 26 51.9 osh-native mut+alloc+free+gc
143 121 23 52.3 osh-native mut+alloc+free+gc+exit
94 59 34 74.2 osh-nosouffle mut+alloc
103 64 39 76.2 osh-nosouffle mut+alloc+free
142 115 27 52.3 osh-nosouffle mut+alloc+free+gc
158 139 19 52.9 osh-nosouffle mut+alloc+free+gc+exit
126 82 44 97.9 _bin/cxx-opt+nopool/osh mut+alloc
194 164 30 73.3 _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 -
7 5 1 3.3 zsh -
6 3 3 13.2 bumpleak/osh mut
6 3 3 12.7 _bin/cxx-opt+bumproot/osh mut
7 6 1 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 3 5 10.6 osh-native mut+alloc+free
9 6 3 8.8 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
9 7 2 11.0 osh-nosouffle mut+alloc
9 4 5 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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 -
30 29 1 3.4 bash -
22 14 8 3.4 zsh -
16 12 5 31.6 bumpleak/osh mut
18 15 3 32.6 _bin/cxx-opt+bumproot/osh mut
22 16 5 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 9 27.0 osh-native mut+alloc
31 18 13 27.1 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 17 3 8.1 osh-native mut+alloc+free+gc+exit
34 24 10 27.4 osh-nosouffle mut+alloc
36 23 13 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
25 25 0 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 27 18 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 28 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
102 99 3 3.4 bash -
213 161 52 56.2 bumpleak/osh mut
223 172 51 57.9 _bin/cxx-opt+bumproot/osh mut
239 179 60 58.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 181 76 48.9 osh-native mut+alloc
267 194 73 50.7 osh-native mut+alloc+free
224 174 50 9.0 osh-native mut+alloc+free+gc
224 165 59 9.2 osh-native mut+alloc+free+gc+exit
263 196 67 49.3 osh-nosouffle mut+alloc
269 199 70 51.3 osh-nosouffle mut+alloc+free
230 177 53 9.7 osh-nosouffle mut+alloc+free+gc
229 174 55 9.8 osh-nosouffle mut+alloc+free+gc+exit
282 195 86 65.2 _bin/cxx-opt+nopool/osh mut+alloc
253 198 55 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 6 3.9 dash -
16 8 8 4.8 bash -
16 9 7 3.8 zsh -
17 9 9 12.6 bumpleak/osh mut
17 8 10 14.5 _bin/cxx-opt+bumproot/osh mut
19 10 9 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 12 11.7 osh-native mut+alloc
21 12 10 11.7 osh-native mut+alloc+free
21 12 10 9.4 osh-native mut+alloc+free+gc
21 15 6 9.7 osh-native mut+alloc+free+gc+exit
21 9 12 12.2 osh-nosouffle mut+alloc
22 10 12 12.2 osh-nosouffle mut+alloc+free
21 11 10 10.0 osh-nosouffle mut+alloc+free+gc
22 11 12 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 14 10 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc