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 3 9 12.0 18.6 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 144 26 68 45.9 51.7 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 150 24 66 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 8.9 102,803 180 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 24 0 1 2.8 8.8 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 223 0 4 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 9.4 117,234 277 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
6 6 1 1.7 dash -
13 11 2 3.3 bash -
89 59 37 3.5 zsh -
15 10 5 29.9 bumpleak/osh mut
16 11 5 30.1 _bin/cxx-opt+bumproot/osh mut
19 13 6 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 8 25.4 osh-native mut+alloc
27 22 5 25.8 osh-native mut+alloc+free
32 26 6 18.2 osh-native mut+alloc+free+gc
34 30 4 18.4 osh-native mut+alloc+free+gc+exit
28 18 10 26.0 osh-nosouffle mut+alloc
30 19 11 26.3 osh-nosouffle mut+alloc+free
34 27 7 18.6 osh-nosouffle mut+alloc+free+gc
34 24 10 18.9 osh-nosouffle mut+alloc+free+gc+exit
39 25 14 33.4 _bin/cxx-opt+nopool/osh mut+alloc
46 35 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 21 2 1.7 dash -
43 42 1 3.5 bash -
325 183 165 3.7 zsh -
45 38 7 86.4 bumpleak/osh mut
48 38 10 86.2 _bin/cxx-opt+bumproot/osh mut
59 43 15 87.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 54 31 73.7 osh-native mut+alloc
94 55 38 75.5 osh-native mut+alloc+free
144 121 23 51.7 osh-native mut+alloc+free+gc
146 127 19 52.4 osh-native mut+alloc+free+gc+exit
92 62 29 74.2 osh-nosouffle mut+alloc
101 75 26 75.9 osh-nosouffle mut+alloc+free
150 134 16 52.3 osh-nosouffle mut+alloc+free+gc
152 126 26 52.9 osh-nosouffle mut+alloc+free+gc+exit
127 75 52 98.4 _bin/cxx-opt+nopool/osh mut+alloc
203 171 32 74.1 _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 2 0 1.6 dash -
4 4 0 3.3 bash -
6 3 3 3.4 zsh -
6 3 3 12.9 bumpleak/osh mut
6 4 3 12.0 _bin/cxx-opt+bumproot/osh mut
6 4 2 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 7 1 10.6 osh-native mut+alloc
8 4 4 10.7 osh-native mut+alloc+free
9 8 1 8.9 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
8 4 5 11.0 osh-nosouffle mut+alloc
9 3 6 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 12.0 _bin/cxx-opt+nopool/osh mut+alloc
11 9 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
9 8 1 1.4 dash -
31 30 1 3.3 bash -
21 16 6 3.4 zsh -
17 14 3 32.9 bumpleak/osh mut
18 12 6 32.8 _bin/cxx-opt+bumproot/osh mut
21 17 4 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 15 13 26.9 osh-native mut+alloc
30 22 8 27.2 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 15 5 8.1 osh-native mut+alloc+free+gc+exit
33 21 11 27.3 osh-nosouffle mut+alloc
34 26 8 27.6 osh-nosouffle mut+alloc+free
24 22 2 8.8 osh-nosouffle mut+alloc+free+gc
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc+exit
45 31 14 36.5 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 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
103 100 3 3.4 bash -
213 156 57 56.5 bumpleak/osh mut
229 176 53 57.5 _bin/cxx-opt+bumproot/osh mut
240 181 59 57.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 189 66 48.8 osh-native mut+alloc
266 200 66 50.7 osh-native mut+alloc+free
223 167 56 9.0 osh-native mut+alloc+free+gc
222 182 40 9.0 osh-native mut+alloc+free+gc+exit
258 198 60 49.3 osh-nosouffle mut+alloc
268 194 74 51.3 osh-nosouffle mut+alloc+free
227 181 46 9.6 osh-nosouffle mut+alloc+free+gc
228 184 44 9.7 osh-nosouffle mut+alloc+free+gc+exit
278 204 74 65.0 _bin/cxx-opt+nopool/osh mut+alloc
249 204 45 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 4 5 3.9 dash -
16 7 9 4.7 bash -
15 9 7 3.9 zsh -
17 8 10 12.7 bumpleak/osh mut
19 7 12 13.5 _bin/cxx-opt+bumproot/osh mut
18 7 12 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 12 8 11.5 osh-native mut+alloc
20 9 12 11.7 osh-native mut+alloc+free
20 13 8 9.4 osh-native mut+alloc+free+gc
21 14 8 9.6 osh-native mut+alloc+free+gc+exit
20 11 10 12.1 osh-nosouffle mut+alloc
22 10 13 12.3 osh-nosouffle mut+alloc+free
21 13 9 10.0 osh-nosouffle mut+alloc+free+gc
22 12 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 9 14 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 17 7 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc