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 18.4 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 10 12.0 18.9 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 136 24 63 45.9 51.7 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 152 24 68 45.9 52.3 1,638,013 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,803 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.2 102,803 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 1 2.8 8.9 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 226 0 4 11.6 8.9 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 227 0 3 11.6 9.7 990,272 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.3 117,234 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 23 1 2 3.0 9.8 117,233 277 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 7 0 1.6 dash -
13 12 1 3.3 bash -
89 45 51 3.5 zsh -
15 12 3 29.5 bumpleak/osh mut
16 12 4 30.2 _bin/cxx-opt+bumproot/osh mut
19 15 4 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 10 25.6 osh-native mut+alloc
28 16 12 26.0 osh-native mut+alloc+free
33 30 3 18.4 osh-native mut+alloc+free+gc
34 23 11 18.5 osh-native mut+alloc+free+gc+exit
28 18 10 25.8 osh-nosouffle mut+alloc
30 19 11 26.3 osh-nosouffle mut+alloc+free
35 31 4 18.9 osh-nosouffle mut+alloc+free+gc
35 24 11 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 23 16 32.9 _bin/cxx-opt+nopool/osh mut+alloc
45 34 11 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 21 2 1.7 dash -
42 41 1 3.4 bash -
326 188 160 3.8 zsh -
46 37 9 85.7 bumpleak/osh mut
50 42 8 85.5 _bin/cxx-opt+bumproot/osh mut
58 46 12 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 49 33 73.7 osh-native mut+alloc
92 59 33 75.5 osh-native mut+alloc+free
136 118 18 51.7 osh-native mut+alloc+free+gc
144 116 28 52.4 osh-native mut+alloc+free+gc+exit
92 65 27 74.2 osh-nosouffle mut+alloc
104 67 36 75.8 osh-nosouffle mut+alloc+free
152 128 24 52.3 osh-nosouffle mut+alloc+free+gc
147 121 26 53.1 osh-nosouffle mut+alloc+free+gc+exit
126 77 49 98.6 _bin/cxx-opt+nopool/osh mut+alloc
190 157 32 71.9 _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 2 3.0 bash -
7 4 2 3.4 zsh -
6 3 2 13.0 bumpleak/osh mut
6 5 1 12.8 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.5 osh-native mut+alloc
8 6 2 10.6 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
10 8 2 8.9 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 4 5 11.1 osh-nosouffle mut+alloc+free
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 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 -
30 28 2 3.3 bash -
21 16 5 3.4 zsh -
17 12 5 33.3 bumpleak/osh mut
19 14 4 33.1 _bin/cxx-opt+bumproot/osh mut
21 17 4 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 17 11 26.9 osh-native mut+alloc
31 22 9 27.0 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 17 4 8.3 osh-native mut+alloc+free+gc+exit
34 20 14 27.3 osh-nosouffle mut+alloc
37 25 12 27.5 osh-nosouffle mut+alloc+free
25 22 3 8.9 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 31 14 36.9 _bin/cxx-opt+nopool/osh mut+alloc
30 28 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
103 101 2 3.5 bash -
210 165 45 57.2 bumpleak/osh mut
223 174 49 56.6 _bin/cxx-opt+bumproot/osh mut
239 176 63 58.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 185 70 48.8 osh-native mut+alloc
262 188 74 50.6 osh-native mut+alloc+free
226 187 38 8.9 osh-native mut+alloc+free+gc
222 177 45 9.2 osh-native mut+alloc+free+gc+exit
263 201 62 49.2 osh-nosouffle mut+alloc
270 216 54 51.4 osh-nosouffle mut+alloc+free
227 182 45 9.7 osh-nosouffle mut+alloc+free+gc
231 177 54 9.7 osh-nosouffle mut+alloc+free+gc+exit
275 196 79 65.4 _bin/cxx-opt+nopool/osh mut+alloc
248 202 46 10.6 _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 2 7 4.1 dash -
16 6 11 4.7 bash -
15 7 9 3.9 zsh -
17 6 11 12.6 bumpleak/osh mut
19 10 10 13.9 _bin/cxx-opt+bumproot/osh mut
20 9 11 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.7 osh-native mut+alloc
21 9 13 11.5 osh-native mut+alloc+free
21 14 7 9.3 osh-native mut+alloc+free+gc
22 10 12 9.4 osh-native mut+alloc+free+gc+exit
20 6 15 12.2 osh-nosouffle mut+alloc
22 8 14 12.3 osh-nosouffle mut+alloc+free
23 10 14 9.8 osh-nosouffle mut+alloc+free+gc
22 10 13 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 13 10 13.2 _bin/cxx-opt+nopool/osh mut+alloc
23 11 13 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc