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 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 4 10 12.0 18.6 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 131 22 58 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 138 22 56 45.9 52.1 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 9 1 2 2.6 9.3 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.5 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 230 0 3 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,260 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,259 277 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 5 2 1.7 dash -
13 11 2 3.3 bash -
90 58 39 3.5 zsh -
15 11 4 29.7 bumpleak/osh mut
15 12 4 29.7 _bin/cxx-opt+bumproot/osh mut
18 13 6 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 14 12 25.4 osh-native mut+alloc
28 19 9 26.0 osh-native mut+alloc+free
31 26 6 18.2 osh-native mut+alloc+free+gc
32 26 6 18.4 osh-native mut+alloc+free+gc+exit
28 19 9 26.2 osh-nosouffle mut+alloc
30 19 11 26.2 osh-nosouffle mut+alloc+free
34 27 7 18.6 osh-nosouffle mut+alloc+free+gc
38 29 9 18.8 osh-nosouffle mut+alloc+free+gc+exit
39 28 11 32.4 _bin/cxx-opt+nopool/osh mut+alloc
46 32 14 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 1.7 dash -
43 42 1 3.4 bash -
327 184 167 3.7 zsh -
45 34 11 84.6 bumpleak/osh mut
48 42 6 86.3 _bin/cxx-opt+bumproot/osh mut
60 42 18 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 50 33 73.9 osh-native mut+alloc
90 62 28 75.5 osh-native mut+alloc+free
131 109 22 51.7 osh-native mut+alloc+free+gc
135 114 21 52.4 osh-native mut+alloc+free+gc+exit
91 58 32 74.2 osh-nosouffle mut+alloc
99 67 32 76.0 osh-nosouffle mut+alloc+free
138 113 25 52.1 osh-nosouffle mut+alloc+free+gc
146 123 23 52.8 osh-nosouffle mut+alloc+free+gc+exit
129 80 50 98.9 _bin/cxx-opt+nopool/osh mut+alloc
192 168 24 72.5 _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 2 4 3.4 zsh -
6 4 2 12.2 bumpleak/osh mut
6 3 3 11.6 _bin/cxx-opt+bumproot/osh mut
7 5 2 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.6 osh-native mut+alloc
8 5 3 10.7 osh-native mut+alloc+free
9 4 5 8.7 osh-native mut+alloc+free+gc
9 8 1 8.9 osh-native mut+alloc+free+gc+exit
8 5 4 11.0 osh-nosouffle mut+alloc
8 6 2 11.1 osh-nosouffle mut+alloc+free
9 6 3 9.3 osh-nosouffle mut+alloc+free+gc
10 8 1 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 9.8 _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 10 0 1.6 dash -
30 29 1 3.3 bash -
21 14 7 3.4 zsh -
16 12 4 32.3 bumpleak/osh mut
18 16 2 32.4 _bin/cxx-opt+bumproot/osh mut
21 19 2 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 9 26.9 osh-native mut+alloc
30 21 9 27.1 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 20 13 27.3 osh-nosouffle mut+alloc
34 23 11 27.4 osh-nosouffle mut+alloc+free
25 23 2 8.5 osh-nosouffle mut+alloc+free+gc
24 19 5 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 29 17 36.2 _bin/cxx-opt+nopool/osh mut+alloc
29 27 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
105 98 7 3.4 bash -
212 149 63 56.3 bumpleak/osh mut
223 172 50 56.7 _bin/cxx-opt+bumproot/osh mut
238 185 53 58.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 185 71 48.9 osh-native mut+alloc
261 193 68 50.7 osh-native mut+alloc+free
230 183 47 9.0 osh-native mut+alloc+free+gc
222 168 54 9.0 osh-native mut+alloc+free+gc+exit
264 202 62 49.4 osh-nosouffle mut+alloc
270 208 62 51.4 osh-nosouffle mut+alloc+free
227 177 50 9.6 osh-nosouffle mut+alloc+free+gc
228 186 42 9.6 osh-nosouffle mut+alloc+free+gc+exit
279 206 73 66.0 _bin/cxx-opt+nopool/osh mut+alloc
251 209 42 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 4.1 dash -
16 11 6 4.8 bash -
16 7 9 3.9 zsh -
19 7 12 13.6 bumpleak/osh mut
18 7 11 12.9 _bin/cxx-opt+bumproot/osh mut
18 10 9 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 6 14 11.5 osh-native mut+alloc
21 8 13 11.7 osh-native mut+alloc+free
20 11 10 9.4 osh-native mut+alloc+free+gc
21 9 12 9.6 osh-native mut+alloc+free+gc+exit
20 9 11 12.1 osh-nosouffle mut+alloc
21 11 11 12.2 osh-nosouffle mut+alloc+free
21 15 7 10.0 osh-nosouffle mut+alloc+free+gc
22 10 12 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 10 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 12 11 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc