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 18.4 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 33 3 9 12.0 18.7 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 134 23 59 45.9 51.7 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 138 21 56 45.9 52.1 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 9 1 2 2.6 9.0 102,803 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.1 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 24 0 1 2.8 8.5 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.0 990,273 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 20 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 10.0 117,233 277 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 6 1 1.7 dash -
13 12 1 3.3 bash -
88 42 53 3.7 zsh -
15 12 3 29.4 bumpleak/osh mut
16 11 5 30.5 _bin/cxx-opt+bumproot/osh mut
18 14 4 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 19 7 25.4 osh-native mut+alloc
27 20 7 26.0 osh-native mut+alloc+free
32 26 6 18.4 osh-native mut+alloc+free+gc
32 25 8 18.2 osh-native mut+alloc+free+gc+exit
27 20 7 26.0 osh-nosouffle mut+alloc
29 20 9 26.2 osh-nosouffle mut+alloc+free
33 27 6 18.7 osh-nosouffle mut+alloc+free+gc
34 29 5 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 24 16 32.3 _bin/cxx-opt+nopool/osh mut+alloc
44 33 11 22.4 _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 -
42 41 1 3.4 bash -
325 182 166 3.8 zsh -
44 36 8 86.3 bumpleak/osh mut
48 42 6 85.4 _bin/cxx-opt+bumproot/osh mut
59 47 12 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 47 35 73.5 osh-native mut+alloc
90 51 39 75.5 osh-native mut+alloc+free
134 112 22 51.7 osh-native mut+alloc+free+gc
135 115 20 52.4 osh-native mut+alloc+free+gc+exit
91 67 23 74.1 osh-nosouffle mut+alloc
99 64 35 75.9 osh-nosouffle mut+alloc+free
138 114 23 52.1 osh-nosouffle mut+alloc+free+gc
140 112 28 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 82 45 99.0 _bin/cxx-opt+nopool/osh mut+alloc
183 155 28 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 3.3 bash -
6 4 2 3.5 zsh -
6 3 3 12.9 bumpleak/osh mut
6 3 3 13.0 _bin/cxx-opt+bumproot/osh mut
6 4 2 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.5 osh-native mut+alloc
8 4 4 10.6 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 8 1 8.9 osh-native mut+alloc+free+gc+exit
8 5 3 11.0 osh-nosouffle mut+alloc
9 4 5 11.1 osh-nosouffle mut+alloc+free
9 7 2 9.0 osh-nosouffle mut+alloc+free+gc
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.9 _bin/cxx-opt+nopool/osh mut+alloc
11 8 4 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 8 1 1.6 dash -
31 31 0 3.3 bash -
21 19 2 3.4 zsh -
16 12 4 32.2 bumpleak/osh mut
18 11 7 32.4 _bin/cxx-opt+bumproot/osh mut
21 13 8 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 26.9 osh-native mut+alloc
30 19 10 27.1 osh-native mut+alloc+free
20 16 4 8.1 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
33 26 7 27.3 osh-nosouffle mut+alloc
34 23 11 27.4 osh-nosouffle mut+alloc+free
24 20 4 8.5 osh-nosouffle mut+alloc+free+gc
24 22 2 8.5 osh-nosouffle mut+alloc+free+gc+exit
45 33 11 36.8 _bin/cxx-opt+nopool/osh mut+alloc
29 26 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
104 98 6 3.5 bash -
212 166 46 56.6 bumpleak/osh mut
220 177 43 56.9 _bin/cxx-opt+bumproot/osh mut
240 181 58 58.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
253 187 66 48.6 osh-native mut+alloc
264 197 66 50.7 osh-native mut+alloc+free
221 165 56 9.0 osh-native mut+alloc+free+gc
220 181 39 9.0 osh-native mut+alloc+free+gc+exit
259 195 64 49.2 osh-nosouffle mut+alloc
266 192 74 51.3 osh-nosouffle mut+alloc+free
227 176 51 9.7 osh-nosouffle mut+alloc+free+gc
226 182 44 9.8 osh-nosouffle mut+alloc+free+gc+exit
278 208 70 64.7 _bin/cxx-opt+nopool/osh mut+alloc
248 195 53 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 3.8 dash -
15 7 9 4.8 bash -
15 8 7 3.8 zsh -
17 9 8 14.0 bumpleak/osh mut
18 7 11 13.6 _bin/cxx-opt+bumproot/osh mut
19 8 11 13.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 11 9 11.5 osh-native mut+alloc
20 10 10 11.5 osh-native mut+alloc+free
20 9 11 9.4 osh-native mut+alloc+free+gc
21 11 10 9.6 osh-native mut+alloc+free+gc+exit
20 9 11 12.2 osh-nosouffle mut+alloc
21 12 10 12.2 osh-nosouffle mut+alloc+free
21 11 10 10.0 osh-nosouffle mut+alloc+free+gc
21 13 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
22 12 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 17 7 10.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc