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 18.1 471,276 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 132 25 58 45.9 51.8 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 144 24 61 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 9.0 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 21 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 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 225 0 4 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 232 0 4 11.6 9.4 990,273 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 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
7 7 0 1.7 dash -
13 10 3 3.4 bash -
92 49 50 3.5 zsh -
15 12 4 30.3 bumpleak/osh mut
16 11 5 30.5 _bin/cxx-opt+bumproot/osh mut
19 14 5 29.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 16 10 25.4 osh-native mut+alloc
27 21 6 25.8 osh-native mut+alloc+free
31 23 8 18.1 osh-native mut+alloc+free+gc
32 24 8 18.2 osh-native mut+alloc+free+gc+exit
29 17 11 25.8 osh-nosouffle mut+alloc
30 20 10 26.3 osh-nosouffle mut+alloc+free
35 26 9 18.7 osh-nosouffle mut+alloc+free+gc
36 31 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 24 15 32.2 _bin/cxx-opt+nopool/osh mut+alloc
45 39 6 22.7 _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 1.7 dash -
42 41 1 3.4 bash -
334 188 171 3.7 zsh -
47 36 10 85.7 bumpleak/osh mut
48 38 10 85.7 _bin/cxx-opt+bumproot/osh mut
59 44 15 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 61 22 73.8 osh-native mut+alloc
94 65 29 75.5 osh-native mut+alloc+free
132 109 23 51.8 osh-native mut+alloc+free+gc
137 114 23 52.4 osh-native mut+alloc+free+gc+exit
94 55 39 74.0 osh-nosouffle mut+alloc
102 68 33 75.9 osh-nosouffle mut+alloc+free
144 118 26 52.3 osh-nosouffle mut+alloc+free+gc
149 122 27 52.9 osh-nosouffle mut+alloc+free+gc+exit
129 80 49 98.7 _bin/cxx-opt+nopool/osh mut+alloc
189 158 31 74.1 _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 1.6 dash -
4 2 1 3.1 bash -
7 2 4 3.3 zsh -
6 4 2 11.4 bumpleak/osh mut
6 4 2 11.5 _bin/cxx-opt+bumproot/osh mut
6 4 3 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 2 6 10.5 osh-native mut+alloc
8 5 3 10.5 osh-native mut+alloc+free
9 8 1 8.8 osh-native mut+alloc+free+gc
9 6 3 8.7 osh-native mut+alloc+free+gc+exit
9 3 6 11.0 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
10 5 5 9.0 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
11 5 6 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
12 11 1 1.6 dash -
31 29 2 3.3 bash -
21 18 4 3.4 zsh -
17 12 5 33.1 bumpleak/osh mut
18 16 2 32.5 _bin/cxx-opt+bumproot/osh mut
21 17 4 34.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 20 11 26.9 osh-native mut+alloc
31 22 9 27.0 osh-native mut+alloc+free
21 21 0 8.3 osh-native mut+alloc+free+gc
20 17 3 8.4 osh-native mut+alloc+free+gc+exit
34 22 11 27.3 osh-nosouffle mut+alloc
36 23 13 27.7 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
26 25 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 27 18 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 28 2 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
105 103 2 3.5 bash -
217 159 57 57.7 bumpleak/osh mut
224 163 61 56.4 _bin/cxx-opt+bumproot/osh mut
251 189 62 57.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
260 192 68 48.8 osh-native mut+alloc
273 194 78 50.7 osh-native mut+alloc+free
225 164 61 9.0 osh-native mut+alloc+free+gc
225 181 44 9.0 osh-native mut+alloc+free+gc+exit
267 189 79 49.3 osh-nosouffle mut+alloc
274 205 69 51.3 osh-nosouffle mut+alloc+free
232 179 53 9.4 osh-nosouffle mut+alloc+free+gc
230 176 54 9.8 osh-nosouffle mut+alloc+free+gc+exit
289 202 87 66.1 _bin/cxx-opt+nopool/osh mut+alloc
254 210 44 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 6 3.9 dash -
16 10 7 4.8 bash -
16 6 10 4.1 zsh -
18 8 10 12.3 bumpleak/osh mut
18 9 10 13.0 _bin/cxx-opt+bumproot/osh mut
20 9 12 14.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 6 14 11.5 osh-native mut+alloc
22 12 10 11.7 osh-native mut+alloc+free
20 12 9 9.4 osh-native mut+alloc+free+gc
21 11 11 9.4 osh-native mut+alloc+free+gc+exit
21 8 14 12.1 osh-nosouffle mut+alloc
23 8 15 12.2 osh-nosouffle mut+alloc+free
22 12 11 10.0 osh-nosouffle mut+alloc+free+gc
25 18 8 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 16 8 13.2 _bin/cxx-opt+nopool/osh mut+alloc
26 14 13 10.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc