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 18.5 471,271 1,282 6 413,158 5 206,579 osh-native
parse.configure-cpython 37 5 12 12.0 18.7 471,271 1,282 6 413,166 5 206,583 osh-nosouffle
parse.configure-coreutils 144 27 70 45.9 51.7 1,638,010 4,764 12 1,056,656 6 787,849 osh-native
parse.configure-coreutils 154 28 70 45.9 52.3 1,638,009 4,764 12 1,056,664 6 787,853 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,799 180 3 86,644 1 43,322 osh-native
parse.abuild 10 1 2 2.6 9.2 102,799 180 3 86,652 1 43,326 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,123 22,608 12 50,000 0 2,990 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,123 22,608 12 50,000 0 2,994 osh-nosouffle
ex.bashcomp-parse-help 220 0 4 11.6 9.0 990,269 15,258 21 50,000 0 3,967 osh-native
ex.bashcomp-parse-help 226 0 4 11.6 9.6 990,268 15,258 21 50,000 0 3,973 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,230 277 3 84,006 1 42,003 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,229 277 3 84,014 1 42,007 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 5 1 1.6 dash -
13 12 1 3.4 bash -
90 58 38 3.5 zsh -
15 9 7 29.9 bumpleak/osh mut
17 14 3 30.4 _bin/cxx-opt+bumproot/osh mut
19 12 7 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 18 8 25.4 osh-native mut+alloc
28 19 9 25.8 osh-native mut+alloc+free
32 21 11 18.5 osh-native mut+alloc+free+gc
33 26 7 18.4 osh-native mut+alloc+free+gc+exit
28 18 10 25.8 osh-nosouffle mut+alloc
30 19 12 26.3 osh-nosouffle mut+alloc+free
37 29 8 18.7 osh-nosouffle mut+alloc+free+gc
36 26 9 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 22 17 33.2 _bin/cxx-opt+nopool/osh mut+alloc
44 36 8 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 -
42 42 0 3.3 bash -
325 189 159 3.8 zsh -
45 35 10 86.4 bumpleak/osh mut
49 40 9 85.4 _bin/cxx-opt+bumproot/osh mut
58 42 16 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 51 33 73.8 osh-native mut+alloc
93 56 37 75.4 osh-native mut+alloc+free
144 125 19 51.7 osh-native mut+alloc+free+gc
151 119 31 52.3 osh-native mut+alloc+free+gc+exit
93 51 42 74.1 osh-nosouffle mut+alloc
102 73 29 76.0 osh-nosouffle mut+alloc+free
154 132 22 52.3 osh-nosouffle mut+alloc+free+gc
164 142 22 52.9 osh-nosouffle mut+alloc+free+gc+exit
126 77 49 99.0 _bin/cxx-opt+nopool/osh mut+alloc
205 181 24 71.6 _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 1.7 dash -
4 2 2 3.3 bash -
6 4 2 3.3 zsh -
6 4 2 12.2 bumpleak/osh mut
6 5 1 11.6 _bin/cxx-opt+bumproot/osh mut
7 6 2 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 1 7 10.5 osh-native mut+alloc
8 6 2 10.7 osh-native mut+alloc+free
9 7 2 8.8 osh-native mut+alloc+free+gc
10 6 4 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 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 6 6 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 11 1 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 30 1 3.1 bash -
21 19 2 3.4 zsh -
17 10 7 32.3 bumpleak/osh mut
19 14 5 33.0 _bin/cxx-opt+bumproot/osh mut
21 15 6 33.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 18 10 26.7 osh-native mut+alloc
30 20 10 27.1 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 17 3 8.1 osh-native mut+alloc+free+gc+exit
33 23 10 27.4 osh-nosouffle mut+alloc
36 24 12 27.5 osh-nosouffle mut+alloc+free
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc
25 25 0 8.8 osh-nosouffle mut+alloc+free+gc+exit
45 23 22 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 25 4 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 3.3 bash -
217 151 66 57.8 bumpleak/osh mut
222 174 48 57.0 _bin/cxx-opt+bumproot/osh mut
243 180 63 57.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 172 82 48.8 osh-native mut+alloc
264 180 84 50.6 osh-native mut+alloc+free
220 175 45 9.0 osh-native mut+alloc+free+gc
221 178 43 9.2 osh-native mut+alloc+free+gc+exit
263 187 76 49.2 osh-nosouffle mut+alloc
267 210 57 51.4 osh-nosouffle mut+alloc+free
226 178 48 9.6 osh-nosouffle mut+alloc+free+gc
226 179 47 9.7 osh-nosouffle mut+alloc+free+gc+exit
278 199 79 65.3 _bin/cxx-opt+nopool/osh mut+alloc
257 198 59 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 6 4.1 dash -
16 9 8 4.8 bash -
15 5 11 4.1 zsh -
17 9 9 13.9 bumpleak/osh mut
18 10 8 13.9 _bin/cxx-opt+bumproot/osh mut
19 10 10 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 10 11.5 osh-native mut+alloc
21 10 12 11.7 osh-native mut+alloc+free
21 10 12 9.4 osh-native mut+alloc+free+gc
22 11 11 9.7 osh-native mut+alloc+free+gc+exit
21 11 10 12.1 osh-nosouffle mut+alloc
22 8 15 12.2 osh-nosouffle mut+alloc+free
22 13 9 10.1 osh-nosouffle mut+alloc+free+gc
23 15 8 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 12 12 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc