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 18.2 471,276 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 144 25 69 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 153 27 69 45.9 52.4 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.5 102,804 180 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 1 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 227 0 3 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 21 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
6 6 0 1.7 dash -
13 13 0 3.3 bash -
90 58 40 3.5 zsh -
15 12 3 30.1 bumpleak/osh mut
16 13 3 30.7 _bin/cxx-opt+bumproot/osh mut
19 13 6 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.6 osh-native mut+alloc
28 17 10 25.8 osh-native mut+alloc+free
33 24 9 18.2 osh-native mut+alloc+free+gc
33 26 7 18.4 osh-native mut+alloc+free+gc+exit
28 15 13 26.0 osh-nosouffle mut+alloc
31 23 8 26.2 osh-nosouffle mut+alloc+free
35 30 5 18.7 osh-nosouffle mut+alloc+free+gc
35 28 7 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 28 11 33.1 _bin/cxx-opt+nopool/osh mut+alloc
46 37 9 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 1.6 dash -
42 42 0 3.5 bash -
324 184 163 3.7 zsh -
46 37 9 84.6 bumpleak/osh mut
50 44 6 85.3 _bin/cxx-opt+bumproot/osh mut
59 47 12 86.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 49 35 73.5 osh-native mut+alloc
92 59 32 75.5 osh-native mut+alloc+free
144 124 20 51.9 osh-native mut+alloc+free+gc
142 121 21 52.4 osh-native mut+alloc+free+gc+exit
92 68 24 74.1 osh-nosouffle mut+alloc
102 72 30 75.9 osh-nosouffle mut+alloc+free
153 125 28 52.4 osh-nosouffle mut+alloc+free+gc
153 129 24 52.8 osh-nosouffle mut+alloc+free+gc+exit
133 82 52 97.9 _bin/cxx-opt+nopool/osh mut+alloc
197 168 28 72.7 _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 1.8 dash -
4 2 1 3.3 bash -
7 3 3 3.4 zsh -
7 4 2 12.2 bumpleak/osh mut
6 3 4 11.9 _bin/cxx-opt+bumproot/osh mut
7 2 5 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.6 osh-native mut+alloc
8 5 3 10.5 osh-native mut+alloc+free
9 7 3 8.5 osh-native mut+alloc+free+gc
10 6 4 8.9 osh-native mut+alloc+free+gc+exit
9 7 2 11.0 osh-nosouffle mut+alloc
9 6 3 11.1 osh-nosouffle mut+alloc+free
10 9 1 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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
9 9 1 1.6 dash -
30 30 0 3.3 bash -
21 17 4 3.3 zsh -
17 11 6 33.2 bumpleak/osh mut
17 13 5 32.1 _bin/cxx-opt+bumproot/osh mut
21 15 6 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 20 8 26.9 osh-native mut+alloc
30 19 11 27.0 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 17 3 8.1 osh-native mut+alloc+free+gc+exit
33 24 9 27.4 osh-nosouffle mut+alloc
35 21 13 27.4 osh-nosouffle mut+alloc+free
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.5 osh-nosouffle mut+alloc+free+gc+exit
45 27 18 36.3 _bin/cxx-opt+nopool/osh mut+alloc
29 27 2 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 3.4 bash -
216 156 60 57.2 bumpleak/osh mut
221 174 47 57.7 _bin/cxx-opt+bumproot/osh mut
238 176 62 58.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 182 74 49.0 osh-native mut+alloc
265 186 78 50.9 osh-native mut+alloc+free
222 169 53 9.2 osh-native mut+alloc+free+gc
223 180 43 8.9 osh-native mut+alloc+free+gc+exit
262 192 70 49.4 osh-nosouffle mut+alloc
274 199 75 51.1 osh-nosouffle mut+alloc+free
227 178 49 9.7 osh-nosouffle mut+alloc+free+gc
228 178 50 9.7 osh-nosouffle mut+alloc+free+gc+exit
279 204 75 64.7 _bin/cxx-opt+nopool/osh mut+alloc
249 211 38 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 3 7 3.9 dash -
16 8 8 4.8 bash -
15 6 10 3.9 zsh -
17 8 10 12.7 bumpleak/osh mut
17 7 11 14.4 _bin/cxx-opt+bumproot/osh mut
19 12 8 14.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 12 11.5 osh-native mut+alloc
20 9 12 11.8 osh-native mut+alloc+free
21 11 11 9.6 osh-native mut+alloc+free+gc
22 9 13 9.6 osh-native mut+alloc+free+gc+exit
20 10 11 12.1 osh-nosouffle mut+alloc
22 10 12 12.2 osh-nosouffle mut+alloc+free
21 14 8 10.1 osh-nosouffle mut+alloc+free+gc
22 11 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 15 8 13.2 _bin/cxx-opt+nopool/osh mut+alloc
23 14 10 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc