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 32 4 10 12.0 18.2 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 4 10 12.0 18.7 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 136 26 63 45.9 51.9 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 142 26 60 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 8.4 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 1 2.8 8.7 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 9.2 990,273 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 21 1 2 3.0 9.4 117,234 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 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
7 7 0 1.6 dash -
13 12 1 3.3 bash -
90 54 43 3.5 zsh -
15 13 2 28.8 bumpleak/osh mut
16 14 2 28.9 _bin/cxx-opt+bumproot/osh mut
20 15 5 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 13 13 25.4 osh-native mut+alloc
27 17 10 25.8 osh-native mut+alloc+free
32 24 8 18.2 osh-native mut+alloc+free+gc
34 24 9 18.2 osh-native mut+alloc+free+gc+exit
28 20 8 26.0 osh-nosouffle mut+alloc
30 21 9 26.3 osh-nosouffle mut+alloc+free
34 28 6 18.7 osh-nosouffle mut+alloc+free+gc
36 32 4 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 24 15 32.9 _bin/cxx-opt+nopool/osh mut+alloc
44 37 7 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 23 0 1.6 dash -
43 42 1 3.4 bash -
330 195 158 3.7 zsh -
46 38 8 85.9 bumpleak/osh mut
47 38 9 86.3 _bin/cxx-opt+bumproot/osh mut
59 44 15 87.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 55 27 73.8 osh-native mut+alloc
92 65 27 75.4 osh-native mut+alloc+free
136 110 25 51.9 osh-native mut+alloc+free+gc
140 118 22 52.3 osh-native mut+alloc+free+gc+exit
91 59 32 74.1 osh-nosouffle mut+alloc
100 69 31 76.2 osh-nosouffle mut+alloc+free
142 115 27 52.3 osh-nosouffle mut+alloc+free+gc
147 118 29 52.9 osh-nosouffle mut+alloc+free+gc+exit
128 76 52 99.6 _bin/cxx-opt+nopool/osh mut+alloc
194 162 31 72.1 _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 1.7 dash -
4 4 0 3.1 bash -
7 5 2 3.4 zsh -
6 5 1 11.6 bumpleak/osh mut
6 4 2 13.2 _bin/cxx-opt+bumproot/osh mut
6 3 3 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 2 6 10.5 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 8 1 8.7 osh-native mut+alloc+free+gc
9 8 1 8.8 osh-native mut+alloc+free+gc+exit
8 6 2 11.0 osh-nosouffle mut+alloc
9 4 5 11.0 osh-nosouffle mut+alloc+free
10 10 0 9.2 osh-nosouffle mut+alloc+free+gc
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 3 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 -
31 30 1 3.3 bash -
21 16 5 3.4 zsh -
16 10 6 31.8 bumpleak/osh mut
18 14 4 33.2 _bin/cxx-opt+bumproot/osh mut
20 11 10 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 20 9 26.9 osh-native mut+alloc
30 18 13 27.3 osh-native mut+alloc+free
20 19 1 8.4 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 23 10 27.4 osh-nosouffle mut+alloc
35 26 9 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.5 osh-nosouffle mut+alloc+free+gc+exit
48 34 14 36.2 _bin/cxx-opt+nopool/osh mut+alloc
29 27 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
103 99 4 3.4 bash -
213 163 50 56.3 bumpleak/osh mut
220 173 47 57.8 _bin/cxx-opt+bumproot/osh mut
238 179 59 58.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 183 72 48.8 osh-native mut+alloc
264 199 65 50.7 osh-native mut+alloc+free
222 159 63 9.2 osh-native mut+alloc+free+gc
221 178 43 8.9 osh-native mut+alloc+free+gc+exit
261 196 65 49.3 osh-nosouffle mut+alloc
271 206 65 51.1 osh-nosouffle mut+alloc+free
227 184 43 9.6 osh-nosouffle mut+alloc+free+gc
226 189 37 9.7 osh-nosouffle mut+alloc+free+gc+exit
278 208 70 64.6 _bin/cxx-opt+nopool/osh mut+alloc
249 200 49 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 4.1 dash -
16 8 9 5.0 bash -
16 9 7 3.9 zsh -
17 8 10 14.2 bumpleak/osh mut
19 9 10 13.5 _bin/cxx-opt+bumproot/osh mut
18 9 10 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.7 osh-native mut+alloc
21 9 13 11.8 osh-native mut+alloc+free
21 10 12 9.4 osh-native mut+alloc+free+gc
21 8 14 9.6 osh-native mut+alloc+free+gc+exit
20 5 16 11.9 osh-nosouffle mut+alloc
22 11 11 12.3 osh-nosouffle mut+alloc+free
21 10 12 9.8 osh-nosouffle mut+alloc+free+gc
22 11 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 12 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 14 10 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc