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 31 3 9 12.0 18.2 471,276 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 135 23 62 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 139 23 57 45.9 52.2 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 8.5 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 8.9 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 226 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 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
7 6 1 1.6 dash -
13 12 1 3.3 bash -
89 49 47 3.4 zsh -
15 10 5 29.7 bumpleak/osh mut
16 11 5 28.8 _bin/cxx-opt+bumproot/osh mut
18 14 4 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 10 25.4 osh-native mut+alloc
27 16 11 26.0 osh-native mut+alloc+free
31 26 5 18.2 osh-native mut+alloc+free+gc
31 26 5 18.4 osh-native mut+alloc+free+gc+exit
28 15 13 26.0 osh-nosouffle mut+alloc
30 21 8 26.2 osh-nosouffle mut+alloc+free
34 25 9 18.7 osh-nosouffle mut+alloc+free+gc
34 28 6 18.6 osh-nosouffle mut+alloc+free+gc+exit
38 26 12 32.7 _bin/cxx-opt+nopool/osh mut+alloc
43 36 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 21 2 1.6 dash -
42 39 3 3.4 bash -
329 206 146 3.7 zsh -
46 35 10 84.9 bumpleak/osh mut
48 41 7 84.8 _bin/cxx-opt+bumproot/osh mut
58 44 14 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 42 40 73.7 osh-native mut+alloc
91 60 31 75.4 osh-native mut+alloc+free
135 109 26 51.9 osh-native mut+alloc+free+gc
134 112 21 52.4 osh-native mut+alloc+free+gc+exit
91 60 31 74.1 osh-nosouffle mut+alloc
99 62 37 75.9 osh-nosouffle mut+alloc+free
139 113 26 52.2 osh-nosouffle mut+alloc+free+gc
142 124 18 52.9 osh-nosouffle mut+alloc+free+gc+exit
124 85 39 98.7 _bin/cxx-opt+nopool/osh mut+alloc
193 164 29 74.4 _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 2 1 3.1 bash -
6 2 4 3.4 zsh -
6 3 3 11.7 bumpleak/osh mut
6 5 1 12.6 _bin/cxx-opt+bumproot/osh mut
7 6 1 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.5 osh-native mut+alloc
8 6 2 10.6 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
9 7 2 8.7 osh-native mut+alloc+free+gc+exit
8 7 1 11.0 osh-nosouffle mut+alloc
9 3 6 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 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
10 9 1 1.4 dash -
31 30 1 3.3 bash -
21 18 3 3.5 zsh -
16 14 2 31.9 bumpleak/osh mut
18 13 5 32.4 _bin/cxx-opt+bumproot/osh mut
21 12 9 33.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 17 11 26.9 osh-native mut+alloc
29 18 12 27.3 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
19 17 3 8.4 osh-native mut+alloc+free+gc+exit
33 21 12 27.4 osh-nosouffle mut+alloc
34 28 6 27.6 osh-nosouffle mut+alloc+free
24 22 2 8.5 osh-nosouffle mut+alloc+free+gc
24 23 1 8.8 osh-nosouffle mut+alloc+free+gc+exit
45 24 21 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 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
103 98 5 3.5 bash -
211 157 54 56.9 bumpleak/osh mut
219 164 55 57.6 _bin/cxx-opt+bumproot/osh mut
237 190 47 57.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 186 69 48.8 osh-native mut+alloc
263 192 71 50.9 osh-native mut+alloc+free
221 184 37 8.9 osh-native mut+alloc+free+gc
221 181 40 9.0 osh-native mut+alloc+free+gc+exit
261 191 70 49.2 osh-nosouffle mut+alloc
268 183 85 51.3 osh-nosouffle mut+alloc+free
226 172 54 9.6 osh-nosouffle mut+alloc+free+gc
226 178 47 9.7 osh-nosouffle mut+alloc+free+gc+exit
278 199 79 65.4 _bin/cxx-opt+nopool/osh mut+alloc
248 199 49 10.4 _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 -
15 6 10 3.9 zsh -
18 8 10 12.9 bumpleak/osh mut
17 8 9 14.0 _bin/cxx-opt+bumproot/osh mut
18 10 9 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.7 osh-native mut+alloc
20 10 11 11.5 osh-native mut+alloc+free
20 9 11 9.4 osh-native mut+alloc+free+gc
21 10 11 9.6 osh-native mut+alloc+free+gc+exit
20 6 15 12.2 osh-nosouffle mut+alloc
21 11 11 12.2 osh-nosouffle mut+alloc+free
21 14 8 10.0 osh-nosouffle mut+alloc+free+gc
22 12 10 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 9 14 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 14 10 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc