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 34 3 10 12.0 18.6 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 132 22 58 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 138 22 56 45.9 52.0 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 1 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 3 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 228 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 9.6 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 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 6 1 1.8 dash -
13 13 0 3.4 bash -
89 43 53 3.5 zsh -
14 10 5 29.7 bumpleak/osh mut
16 11 5 29.0 _bin/cxx-opt+bumproot/osh mut
18 12 6 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 17 8 25.7 osh-native mut+alloc
27 14 13 25.8 osh-native mut+alloc+free
31 24 7 18.4 osh-native mut+alloc+free+gc
31 21 11 18.2 osh-native mut+alloc+free+gc+exit
28 20 8 26.0 osh-nosouffle mut+alloc
30 22 8 26.3 osh-nosouffle mut+alloc+free
34 29 5 18.6 osh-nosouffle mut+alloc+free+gc
35 27 7 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 20 19 32.7 _bin/cxx-opt+nopool/osh mut+alloc
44 33 11 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 22 1 1.6 dash -
42 42 0 3.4 bash -
326 182 167 3.7 zsh -
44 34 10 84.9 bumpleak/osh mut
48 37 11 85.5 _bin/cxx-opt+bumproot/osh mut
59 42 17 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 54 27 73.7 osh-native mut+alloc
93 61 32 75.5 osh-native mut+alloc+free
132 108 24 51.9 osh-native mut+alloc+free+gc
135 110 25 52.4 osh-native mut+alloc+free+gc+exit
92 56 36 74.2 osh-nosouffle mut+alloc
100 58 42 76.0 osh-nosouffle mut+alloc+free
138 113 25 52.0 osh-nosouffle mut+alloc+free+gc
144 114 30 53.1 osh-nosouffle mut+alloc+free+gc+exit
127 84 43 98.3 _bin/cxx-opt+nopool/osh mut+alloc
187 156 31 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 1 1 1.6 dash -
4 3 1 3.1 bash -
6 2 4 3.4 zsh -
6 3 4 12.3 bumpleak/osh mut
6 5 1 12.9 _bin/cxx-opt+bumproot/osh mut
6 5 2 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.7 osh-native mut+alloc
8 7 1 10.5 osh-native mut+alloc+free
9 7 2 8.8 osh-native mut+alloc+free+gc
9 5 4 8.9 osh-native mut+alloc+free+gc+exit
8 3 5 11.0 osh-nosouffle mut+alloc
9 6 3 11.0 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 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
9 9 0 1.4 dash -
31 30 1 3.3 bash -
21 17 4 3.4 zsh -
16 13 3 32.0 bumpleak/osh mut
18 12 6 32.0 _bin/cxx-opt+bumproot/osh mut
20 18 2 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 9 27.0 osh-native mut+alloc
29 22 7 27.0 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
33 26 7 27.4 osh-nosouffle mut+alloc
35 26 10 27.7 osh-nosouffle mut+alloc+free
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
45 30 15 36.3 _bin/cxx-opt+nopool/osh mut+alloc
29 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
102 98 4 3.4 bash -
212 169 43 56.2 bumpleak/osh mut
220 179 41 56.6 _bin/cxx-opt+bumproot/osh mut
237 177 60 57.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
259 195 64 48.8 osh-native mut+alloc
265 196 69 50.7 osh-native mut+alloc+free
222 188 34 9.0 osh-native mut+alloc+free+gc
221 179 43 8.9 osh-native mut+alloc+free+gc+exit
260 190 70 49.4 osh-nosouffle mut+alloc
266 200 66 51.0 osh-nosouffle mut+alloc+free
228 175 52 9.6 osh-nosouffle mut+alloc+free+gc
225 177 48 9.8 osh-nosouffle mut+alloc+free+gc+exit
277 210 67 65.0 _bin/cxx-opt+nopool/osh mut+alloc
251 207 44 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 3.9 dash -
15 9 7 4.7 bash -
15 8 8 3.9 zsh -
17 5 12 12.6 bumpleak/osh mut
17 10 8 14.0 _bin/cxx-opt+bumproot/osh mut
19 12 8 14.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 10 11.7 osh-native mut+alloc
20 7 13 11.7 osh-native mut+alloc+free
20 10 10 9.6 osh-native mut+alloc+free+gc
20 10 11 9.7 osh-native mut+alloc+free+gc+exit
20 10 10 12.2 osh-nosouffle mut+alloc
21 10 12 12.3 osh-nosouffle mut+alloc+free
21 11 11 10.0 osh-nosouffle mut+alloc+free+gc
22 12 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
22 13 10 13.3 _bin/cxx-opt+nopool/osh mut+alloc
23 11 12 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc