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 34 3 9 12.0 18.6 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 147 27 71 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 149 26 66 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 2 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 223 0 4 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 229 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 9.6 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 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 1.7 dash -
13 11 2 3.3 bash -
92 50 49 3.5 zsh -
16 12 4 30.1 bumpleak/osh mut
16 12 4 29.5 _bin/cxx-opt+bumproot/osh mut
19 16 3 30.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 21 5 25.3 osh-native mut+alloc
28 19 9 25.8 osh-native mut+alloc+free
33 24 8 18.4 osh-native mut+alloc+free+gc
33 24 9 18.2 osh-native mut+alloc+free+gc+exit
29 20 9 25.8 osh-nosouffle mut+alloc
31 20 11 26.2 osh-nosouffle mut+alloc+free
34 26 8 18.6 osh-nosouffle mut+alloc+free+gc
36 29 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 27 13 32.4 _bin/cxx-opt+nopool/osh mut+alloc
46 37 9 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 22 1 1.7 dash -
43 42 1 3.5 bash -
336 187 174 3.7 zsh -
44 38 6 84.5 bumpleak/osh mut
49 38 11 86.3 _bin/cxx-opt+bumproot/osh mut
59 48 11 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 47 36 73.7 osh-native mut+alloc
93 67 26 75.5 osh-native mut+alloc+free
147 123 24 51.7 osh-native mut+alloc+free+gc
150 127 23 52.2 osh-native mut+alloc+free+gc+exit
92 62 31 74.2 osh-nosouffle mut+alloc
102 73 28 76.0 osh-nosouffle mut+alloc+free
149 125 24 52.3 osh-nosouffle mut+alloc+free+gc
158 137 21 52.9 osh-nosouffle mut+alloc+free+gc+exit
127 78 48 98.9 _bin/cxx-opt+nopool/osh mut+alloc
212 178 34 71.2 _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 2 0 1.7 dash -
4 3 1 3.3 bash -
7 5 2 3.4 zsh -
6 3 3 13.0 bumpleak/osh mut
6 4 2 13.1 _bin/cxx-opt+bumproot/osh mut
7 5 2 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
9 4 5 10.6 osh-native mut+alloc+free
9 6 3 8.8 osh-native mut+alloc+free+gc
9 6 4 8.9 osh-native mut+alloc+free+gc+exit
9 4 5 11.0 osh-nosouffle mut+alloc
9 6 4 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 6 5 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 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 1.6 dash -
31 29 2 3.3 bash -
21 15 7 3.4 zsh -
16 14 3 31.8 bumpleak/osh mut
19 14 5 33.4 _bin/cxx-opt+bumproot/osh mut
22 17 5 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 16 12 26.9 osh-native mut+alloc
31 24 7 27.0 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 17 4 8.3 osh-native mut+alloc+free+gc+exit
34 22 12 27.3 osh-nosouffle mut+alloc
36 28 8 27.5 osh-nosouffle mut+alloc+free
25 23 3 8.7 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 29 16 36.8 _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
105 102 2 3.5 bash -
215 172 43 57.7 bumpleak/osh mut
226 185 41 56.2 _bin/cxx-opt+bumproot/osh mut
239 184 55 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 179 76 48.8 osh-native mut+alloc
266 198 68 50.7 osh-native mut+alloc+free
223 180 43 9.0 osh-native mut+alloc+free+gc
224 177 47 9.0 osh-native mut+alloc+free+gc+exit
264 191 74 49.3 osh-nosouffle mut+alloc
274 192 82 51.2 osh-nosouffle mut+alloc+free
229 174 55 9.7 osh-nosouffle mut+alloc+free+gc
229 194 35 9.7 osh-nosouffle mut+alloc+free+gc+exit
281 197 84 64.0 _bin/cxx-opt+nopool/osh mut+alloc
258 223 35 10.7 _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 4 3.9 dash -
16 6 10 4.8 bash -
16 9 7 4.1 zsh -
19 7 12 13.0 bumpleak/osh mut
19 9 11 13.0 _bin/cxx-opt+bumproot/osh mut
19 11 9 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 8 12 11.5 osh-native mut+alloc
21 11 11 11.7 osh-native mut+alloc+free
21 10 11 9.6 osh-native mut+alloc+free+gc
22 10 12 9.6 osh-native mut+alloc+free+gc+exit
21 11 10 12.2 osh-nosouffle mut+alloc
22 10 13 12.2 osh-nosouffle mut+alloc+free
22 11 12 10.0 osh-nosouffle mut+alloc+free+gc
22 15 8 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 15 9 13.3 _bin/cxx-opt+nopool/osh mut+alloc
24 13 12 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc