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 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 33 3 9 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 131 22 57 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 142 23 58 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 8.7 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.0 102,804 180 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 24 0 1 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 8.9 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 227 0 3 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 9.6 117,259 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,258 277 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 1 1.7 dash -
13 12 1 3.3 bash -
90 53 44 3.5 zsh -
15 11 4 29.7 bumpleak/osh mut
16 12 5 30.5 _bin/cxx-opt+bumproot/osh mut
19 15 4 30.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 18 7 25.4 osh-native mut+alloc
27 13 14 25.8 osh-native mut+alloc+free
31 24 7 18.4 osh-native mut+alloc+free+gc
31 26 5 18.2 osh-native mut+alloc+free+gc+exit
28 22 6 26.0 osh-nosouffle mut+alloc
30 23 7 26.2 osh-nosouffle mut+alloc+free
33 27 6 18.7 osh-nosouffle mut+alloc+free+gc
35 25 10 18.9 osh-nosouffle mut+alloc+free+gc+exit
39 29 10 32.2 _bin/cxx-opt+nopool/osh mut+alloc
45 37 8 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 42 1 3.4 bash -
328 179 172 3.7 zsh -
46 37 9 84.8 bumpleak/osh mut
50 38 12 84.9 _bin/cxx-opt+bumproot/osh mut
58 44 14 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 48 35 73.7 osh-native mut+alloc
89 56 33 75.4 osh-native mut+alloc+free
131 104 26 51.7 osh-native mut+alloc+free+gc
134 108 26 52.3 osh-native mut+alloc+free+gc+exit
92 63 29 74.1 osh-nosouffle mut+alloc
101 59 41 76.0 osh-nosouffle mut+alloc+free
142 122 19 52.3 osh-nosouffle mut+alloc+free+gc
145 113 31 52.8 osh-nosouffle mut+alloc+free+gc+exit
125 80 45 98.9 _bin/cxx-opt+nopool/osh mut+alloc
189 163 26 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 1.7 dash -
4 2 1 3.1 bash -
6 3 4 3.4 zsh -
6 3 2 12.9 bumpleak/osh mut
7 5 2 12.6 _bin/cxx-opt+bumproot/osh mut
7 4 3 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.4 osh-native mut+alloc
8 5 3 10.5 osh-native mut+alloc+free
9 8 1 8.7 osh-native mut+alloc+free+gc
9 4 5 8.9 osh-native mut+alloc+free+gc+exit
8 4 5 11.0 osh-nosouffle mut+alloc
9 4 5 11.0 osh-nosouffle mut+alloc+free
10 7 3 9.0 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 12.0 _bin/cxx-opt+nopool/osh mut+alloc
11 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 1.6 dash -
31 31 0 3.3 bash -
21 15 6 3.4 zsh -
17 11 6 32.3 bumpleak/osh mut
18 14 4 33.7 _bin/cxx-opt+bumproot/osh mut
22 15 7 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 23 5 27.0 osh-native mut+alloc
30 20 10 27.0 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
33 24 10 27.3 osh-nosouffle mut+alloc
34 29 5 27.5 osh-nosouffle mut+alloc+free
24 22 2 8.7 osh-nosouffle mut+alloc+free+gc
24 20 4 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 31 15 36.3 _bin/cxx-opt+nopool/osh mut+alloc
29 22 7 10.0 _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 -
212 170 42 57.0 bumpleak/osh mut
221 177 44 56.1 _bin/cxx-opt+bumproot/osh mut
239 182 57 57.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 182 72 48.9 osh-native mut+alloc
263 203 60 50.7 osh-native mut+alloc+free
224 184 40 8.9 osh-native mut+alloc+free+gc
222 178 44 9.2 osh-native mut+alloc+free+gc+exit
262 194 69 49.3 osh-nosouffle mut+alloc
269 210 59 51.1 osh-nosouffle mut+alloc+free
227 176 51 9.6 osh-nosouffle mut+alloc+free+gc
227 185 42 10.0 osh-nosouffle mut+alloc+free+gc+exit
280 206 74 64.1 _bin/cxx-opt+nopool/osh mut+alloc
249 203 46 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 4 4.1 dash -
16 10 6 4.8 bash -
15 5 11 3.8 zsh -
17 6 11 14.1 bumpleak/osh mut
19 7 13 13.8 _bin/cxx-opt+bumproot/osh mut
18 10 9 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 12 11.7 osh-native mut+alloc
20 9 12 11.7 osh-native mut+alloc+free
20 10 11 9.6 osh-native mut+alloc+free+gc
20 11 11 9.7 osh-native mut+alloc+free+gc+exit
20 9 12 12.1 osh-nosouffle mut+alloc
21 10 11 12.3 osh-nosouffle mut+alloc+free
21 11 11 10.1 osh-nosouffle mut+alloc+free+gc
22 11 12 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 7 16 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 9 15 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc