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 18.2 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 138 25 65 45.9 51.7 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 151 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 9.3 102,803 180 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 8.8 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 222 0 3 11.6 9.0 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.6 990,272 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.3 117,234 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,233 277 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
7 5 2 1.7 dash -
13 12 1 3.3 bash -
90 54 43 3.4 zsh -
15 12 3 30.5 bumpleak/osh mut
16 11 5 29.9 _bin/cxx-opt+bumproot/osh mut
19 15 4 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 17 8 25.4 osh-native mut+alloc
27 15 12 25.8 osh-native mut+alloc+free
31 25 6 18.2 osh-native mut+alloc+free+gc
32 25 7 18.1 osh-native mut+alloc+free+gc+exit
29 16 13 26.0 osh-nosouffle mut+alloc
30 24 6 26.3 osh-nosouffle mut+alloc+free
34 26 8 18.7 osh-nosouffle mut+alloc+free+gc
35 27 8 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 26 12 33.0 _bin/cxx-opt+nopool/osh mut+alloc
44 31 13 22.8 _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 -
332 177 177 3.7 zsh -
44 36 8 86.2 bumpleak/osh mut
48 38 10 86.8 _bin/cxx-opt+bumproot/osh mut
59 46 13 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 48 34 73.6 osh-native mut+alloc
92 55 37 75.6 osh-native mut+alloc+free
138 116 22 51.7 osh-native mut+alloc+free+gc
171 147 23 52.4 osh-native mut+alloc+free+gc+exit
92 62 30 74.3 osh-nosouffle mut+alloc
101 60 41 76.2 osh-nosouffle mut+alloc+free
151 128 23 52.3 osh-nosouffle mut+alloc+free+gc
155 132 23 52.8 osh-nosouffle mut+alloc+free+gc+exit
125 75 50 97.7 _bin/cxx-opt+nopool/osh mut+alloc
202 178 24 73.4 _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 4 0 3.3 bash -
6 4 2 3.4 zsh -
6 3 3 12.7 bumpleak/osh mut
6 5 1 12.0 _bin/cxx-opt+bumproot/osh mut
6 4 3 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.5 osh-native mut+alloc
8 6 3 10.7 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
9 4 5 10.9 osh-nosouffle mut+alloc
9 5 4 11.3 osh-nosouffle mut+alloc+free
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 9.4 _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 1.4 dash -
30 30 0 3.3 bash -
21 15 6 3.4 zsh -
17 12 5 32.3 bumpleak/osh mut
18 13 5 32.2 _bin/cxx-opt+bumproot/osh mut
21 16 5 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 11 17 26.9 osh-native mut+alloc
30 22 8 27.1 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 19 1 8.1 osh-native mut+alloc+free+gc+exit
33 19 14 27.3 osh-nosouffle mut+alloc
35 23 12 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 33 13 36.8 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 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
105 103 2 3.5 bash -
210 157 53 56.7 bumpleak/osh mut
221 175 46 56.6 _bin/cxx-opt+bumproot/osh mut
239 183 56 58.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 185 71 48.8 osh-native mut+alloc
262 193 69 50.6 osh-native mut+alloc+free
222 179 43 9.0 osh-native mut+alloc+free+gc
222 176 46 9.2 osh-native mut+alloc+free+gc+exit
260 189 71 49.3 osh-nosouffle mut+alloc
270 192 78 51.3 osh-nosouffle mut+alloc+free
227 184 43 9.6 osh-nosouffle mut+alloc+free+gc
229 189 40 9.7 osh-nosouffle mut+alloc+free+gc+exit
280 211 69 65.7 _bin/cxx-opt+nopool/osh mut+alloc
251 213 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 4 6 3.9 dash -
16 9 8 4.8 bash -
16 5 11 4.1 zsh -
18 9 9 12.2 bumpleak/osh mut
18 10 8 13.9 _bin/cxx-opt+bumproot/osh mut
18 9 10 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 5 15 11.3 osh-native mut+alloc
21 11 10 11.5 osh-native mut+alloc+free
20 12 9 9.3 osh-native mut+alloc+free+gc
21 12 9 9.7 osh-native mut+alloc+free+gc+exit
20 11 10 12.2 osh-nosouffle mut+alloc
23 14 10 12.3 osh-nosouffle mut+alloc+free
22 10 12 10.1 osh-nosouffle mut+alloc+free+gc
22 13 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 9 14 13.2 _bin/cxx-opt+nopool/osh mut+alloc
23 13 11 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc