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 139 23 65 45.9 51.6 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 140 24 58 45.9 52.1 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 9.3 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.4 572,128 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 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 226 0 4 11.6 9.3 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,260 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.0 117,259 277 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 7 0 1.6 dash -
13 13 0 3.1 bash -
91 51 47 3.5 zsh -
15 10 5 28.7 bumpleak/osh mut
16 12 5 30.5 _bin/cxx-opt+bumproot/osh mut
19 13 6 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.4 osh-native mut+alloc
28 17 11 25.7 osh-native mut+alloc+free
33 26 7 18.4 osh-native mut+alloc+free+gc
34 29 5 18.4 osh-native mut+alloc+free+gc+exit
28 21 7 26.0 osh-nosouffle mut+alloc
30 21 9 26.3 osh-nosouffle mut+alloc+free
35 27 8 18.7 osh-nosouffle mut+alloc+free+gc
36 26 10 18.7 osh-nosouffle mut+alloc+free+gc+exit
38 26 12 33.6 _bin/cxx-opt+nopool/osh mut+alloc
44 37 7 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 22 1 1.7 dash -
42 41 1 3.4 bash -
327 195 155 3.7 zsh -
45 33 12 85.2 bumpleak/osh mut
49 42 7 85.4 _bin/cxx-opt+bumproot/osh mut
59 47 12 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 56 28 73.7 osh-native mut+alloc
93 51 42 75.4 osh-native mut+alloc+free
139 119 20 51.6 osh-native mut+alloc+free+gc
147 121 26 52.7 osh-native mut+alloc+free+gc+exit
93 62 31 74.2 osh-nosouffle mut+alloc
101 66 35 76.0 osh-nosouffle mut+alloc+free
140 117 22 52.1 osh-nosouffle mut+alloc+free+gc
151 130 21 52.8 osh-nosouffle mut+alloc+free+gc+exit
125 91 35 97.7 _bin/cxx-opt+nopool/osh mut+alloc
192 159 33 72.0 _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 3.0 bash -
7 2 4 3.5 zsh -
6 5 2 12.1 bumpleak/osh mut
6 4 2 11.3 _bin/cxx-opt+bumproot/osh mut
6 4 2 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
9 6 3 8.9 osh-native mut+alloc+free+gc+exit
9 4 5 11.0 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
10 6 3 9.3 osh-nosouffle mut+alloc+free+gc
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 3 8 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 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 9 1 1.4 dash -
31 30 1 3.3 bash -
21 18 3 3.4 zsh -
17 14 3 31.8 bumpleak/osh mut
18 12 6 33.7 _bin/cxx-opt+bumproot/osh mut
22 16 6 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 16 13 27.0 osh-native mut+alloc
32 20 12 27.1 osh-native mut+alloc+free
20 16 4 8.4 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
33 20 13 27.4 osh-nosouffle mut+alloc
36 27 9 27.5 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.5 osh-nosouffle mut+alloc+free+gc+exit
47 29 18 36.3 _bin/cxx-opt+nopool/osh mut+alloc
31 26 4 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
104 98 6 3.4 bash -
214 160 54 58.0 bumpleak/osh mut
219 168 51 57.5 _bin/cxx-opt+bumproot/osh mut
239 181 58 58.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 179 78 48.8 osh-native mut+alloc
267 191 76 50.9 osh-native mut+alloc+free
223 195 28 9.0 osh-native mut+alloc+free+gc
224 184 40 9.2 osh-native mut+alloc+free+gc+exit
261 186 75 49.4 osh-nosouffle mut+alloc
271 197 74 51.1 osh-nosouffle mut+alloc+free
226 173 53 9.3 osh-nosouffle mut+alloc+free+gc
229 187 42 9.8 osh-nosouffle mut+alloc+free+gc+exit
279 208 71 64.2 _bin/cxx-opt+nopool/osh mut+alloc
251 208 43 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 5 5 3.9 dash -
16 12 5 4.8 bash -
16 8 8 3.9 zsh -
17 10 8 14.2 bumpleak/osh mut
19 9 10 13.1 _bin/cxx-opt+bumproot/osh mut
18 8 11 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 8 12 11.5 osh-native mut+alloc
21 8 14 11.7 osh-native mut+alloc+free
21 13 8 9.4 osh-native mut+alloc+free+gc
21 11 11 9.7 osh-native mut+alloc+free+gc+exit
21 12 9 12.2 osh-nosouffle mut+alloc
22 12 10 12.2 osh-nosouffle mut+alloc+free
22 14 9 10.0 osh-nosouffle mut+alloc+free+gc
23 16 8 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
25 15 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc