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 37 4 12 12.0 18.9 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 149 29 74 45.9 51.6 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 180 28 94 45.9 52.1 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 10 1 3 2.6 8.5 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 11 1 3 2.6 9.0 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 21 0 2 2.8 8.1 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 26 0 2 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 227 0 5 11.6 8.9 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 235 0 6 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 22 1 2 3.0 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,234 277 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 1.7 dash -
13 11 2 3.3 bash -
91 53 45 3.4 zsh -
16 12 4 28.5 bumpleak/osh mut
17 14 3 30.5 _bin/cxx-opt+bumproot/osh mut
19 14 5 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 8 25.6 osh-native mut+alloc
28 20 9 25.8 osh-native mut+alloc+free
33 24 9 18.4 osh-native mut+alloc+free+gc
36 30 6 18.1 osh-native mut+alloc+free+gc+exit
30 23 7 26.0 osh-nosouffle mut+alloc
31 20 12 26.5 osh-nosouffle mut+alloc+free
37 32 5 18.9 osh-nosouffle mut+alloc+free+gc
41 30 11 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 16 23 33.1 _bin/cxx-opt+nopool/osh mut+alloc
52 42 10 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 23 0 1.7 dash -
43 42 1 3.4 bash -
337 182 179 3.6 zsh -
46 36 10 85.9 bumpleak/osh mut
48 40 9 86.3 _bin/cxx-opt+bumproot/osh mut
61 46 15 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 51 33 73.8 osh-native mut+alloc
93 60 33 75.4 osh-native mut+alloc+free
149 132 17 51.6 osh-native mut+alloc+free+gc
168 148 20 52.5 osh-native mut+alloc+free+gc+exit
95 52 42 74.1 osh-nosouffle mut+alloc
104 67 37 75.9 osh-nosouffle mut+alloc+free
180 158 23 52.1 osh-nosouffle mut+alloc+free+gc
172 146 26 52.9 osh-nosouffle mut+alloc+free+gc+exit
126 76 50 98.0 _bin/cxx-opt+nopool/osh mut+alloc
231 195 36 74.6 _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 4 0 3.3 bash -
7 4 3 3.4 zsh -
6 3 3 11.3 bumpleak/osh mut
6 4 3 11.5 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 2 6 10.5 osh-native mut+alloc
9 6 3 10.7 osh-native mut+alloc+free
10 5 5 8.5 osh-native mut+alloc+free+gc
10 6 4 8.8 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 4 6 11.1 osh-nosouffle mut+alloc+free
11 10 1 9.0 osh-nosouffle mut+alloc+free+gc
11 8 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.9 _bin/cxx-opt+nopool/osh mut+alloc
13 10 3 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
10 10 0 1.6 dash -
31 30 1 3.3 bash -
21 12 9 3.4 zsh -
18 14 4 33.7 bumpleak/osh mut
19 13 6 33.4 _bin/cxx-opt+bumproot/osh mut
22 16 6 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 24 5 27.0 osh-native mut+alloc
32 15 17 27.0 osh-native mut+alloc+free
21 19 2 8.1 osh-native mut+alloc+free+gc
21 16 4 8.1 osh-native mut+alloc+free+gc+exit
34 23 11 27.3 osh-nosouffle mut+alloc
36 26 10 27.6 osh-nosouffle mut+alloc+free
26 24 2 8.8 osh-nosouffle mut+alloc+free+gc
25 21 4 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 33 12 36.3 _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
105 101 4 3.5 bash -
214 163 51 57.7 bumpleak/osh mut
223 174 49 58.1 _bin/cxx-opt+bumproot/osh mut
244 175 69 57.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 188 69 48.8 osh-native mut+alloc
269 193 76 50.7 osh-native mut+alloc+free
227 180 47 8.9 osh-native mut+alloc+free+gc
229 183 46 9.0 osh-native mut+alloc+free+gc+exit
265 210 54 49.3 osh-nosouffle mut+alloc
277 199 78 51.1 osh-nosouffle mut+alloc+free
235 192 43 9.6 osh-nosouffle mut+alloc+free+gc
234 187 47 9.6 osh-nosouffle mut+alloc+free+gc+exit
283 209 74 63.9 _bin/cxx-opt+nopool/osh mut+alloc
281 238 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 6 4 4.1 dash -
17 6 12 4.7 bash -
16 7 10 3.9 zsh -
18 12 7 12.6 bumpleak/osh mut
19 8 11 13.0 _bin/cxx-opt+bumproot/osh mut
20 11 10 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 11 11.5 osh-native mut+alloc
22 9 14 11.7 osh-native mut+alloc+free
22 13 10 9.4 osh-native mut+alloc+free+gc
22 11 12 9.6 osh-native mut+alloc+free+gc+exit
21 10 12 12.1 osh-nosouffle mut+alloc
23 10 14 12.3 osh-nosouffle mut+alloc+free
22 10 13 10.1 osh-nosouffle mut+alloc+free+gc
24 13 11 10.2 osh-nosouffle mut+alloc+free+gc+exit
24 12 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
26 13 13 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc