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 18.1 471,271 1,282 6 413,158 5 206,579 osh-native
parse.configure-cpython 36 4 11 12.0 18.7 471,271 1,282 6 413,166 5 206,583 osh-nosouffle
parse.configure-coreutils 133 23 59 45.9 51.7 1,638,010 4,764 12 1,056,656 6 787,849 osh-native
parse.configure-coreutils 153 26 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 8.7 102,799 180 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 1 2.8 8.3 572,123 22,608 12 50,000 0 2,990 osh-native
ex.compute-fib 25 0 1 2.8 8.7 572,123 22,608 12 50,000 0 2,994 osh-nosouffle
ex.bashcomp-parse-help 221 0 3 11.6 9.2 990,269 15,258 21 50,000 0 3,967 osh-native
ex.bashcomp-parse-help 227 0 3 11.6 9.4 990,268 15,258 21 50,000 0 3,973 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,230 277 3 84,006 1 42,003 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,229 277 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 6 1 1.6 dash -
13 12 1 3.4 bash -
90 52 45 3.5 zsh -
15 13 2 30.6 bumpleak/osh mut
16 12 4 29.8 _bin/cxx-opt+bumproot/osh mut
19 15 4 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 12 14 25.6 osh-native mut+alloc
28 16 12 25.7 osh-native mut+alloc+free
32 25 7 18.1 osh-native mut+alloc+free+gc
33 24 9 18.2 osh-native mut+alloc+free+gc+exit
28 19 9 25.8 osh-nosouffle mut+alloc
31 22 9 26.3 osh-nosouffle mut+alloc+free
36 28 8 18.7 osh-nosouffle mut+alloc+free+gc
35 25 10 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 20 18 33.3 _bin/cxx-opt+nopool/osh mut+alloc
47 33 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 1.6 dash -
42 41 1 3.5 bash -
323 178 169 3.7 zsh -
45 35 10 85.0 bumpleak/osh mut
48 41 7 86.4 _bin/cxx-opt+bumproot/osh mut
58 44 14 85.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 48 37 73.6 osh-native mut+alloc
91 56 35 75.6 osh-native mut+alloc+free
133 103 30 51.7 osh-native mut+alloc+free+gc
137 110 27 52.4 osh-native mut+alloc+free+gc+exit
92 64 28 74.2 osh-nosouffle mut+alloc
101 75 26 76.2 osh-nosouffle mut+alloc+free
153 132 21 52.3 osh-nosouffle mut+alloc+free+gc
150 122 28 52.9 osh-nosouffle mut+alloc+free+gc+exit
123 75 48 97.7 _bin/cxx-opt+nopool/osh mut+alloc
194 159 34 72.8 _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 2 1 3.1 bash -
6 3 4 3.4 zsh -
6 4 2 11.4 bumpleak/osh mut
7 4 3 12.3 _bin/cxx-opt+bumproot/osh mut
7 5 2 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
8 5 3 10.7 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
10 8 1 8.8 osh-native mut+alloc+free+gc+exit
9 5 3 10.9 osh-nosouffle mut+alloc
9 6 3 11.1 osh-nosouffle mut+alloc+free
10 7 4 9.2 osh-nosouffle mut+alloc+free+gc
10 8 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 4 7 11.9 _bin/cxx-opt+nopool/osh mut+alloc
13 9 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 9 0 1.4 dash -
31 30 1 3.1 bash -
21 16 5 3.4 zsh -
17 13 4 32.7 bumpleak/osh mut
18 13 5 33.0 _bin/cxx-opt+bumproot/osh mut
21 16 5 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 16 12 26.9 osh-native mut+alloc
30 24 6 27.1 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
33 21 12 27.3 osh-nosouffle mut+alloc
35 24 11 27.7 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 30 16 36.4 _bin/cxx-opt+nopool/osh mut+alloc
30 26 5 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 -
213 156 57 57.1 bumpleak/osh mut
219 167 52 57.9 _bin/cxx-opt+bumproot/osh mut
240 189 51 57.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
253 185 68 48.9 osh-native mut+alloc
261 187 74 50.9 osh-native mut+alloc+free
221 170 51 9.2 osh-native mut+alloc+free+gc
220 173 47 9.0 osh-native mut+alloc+free+gc+exit
263 193 70 49.4 osh-nosouffle mut+alloc
269 191 78 51.3 osh-nosouffle mut+alloc+free
227 184 43 9.4 osh-nosouffle mut+alloc+free+gc
228 175 53 9.6 osh-nosouffle mut+alloc+free+gc+exit
276 199 77 65.5 _bin/cxx-opt+nopool/osh mut+alloc
249 191 58 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 2 7 3.9 dash -
16 8 8 4.8 bash -
15 5 11 3.9 zsh -
19 9 10 13.3 bumpleak/osh mut
18 7 11 12.8 _bin/cxx-opt+bumproot/osh mut
18 7 11 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 12 11.7 osh-native mut+alloc
21 9 12 11.8 osh-native mut+alloc+free
20 13 8 9.4 osh-native mut+alloc+free+gc
21 12 10 9.7 osh-native mut+alloc+free+gc+exit
20 9 12 12.1 osh-nosouffle mut+alloc
22 8 14 12.2 osh-nosouffle mut+alloc+free
21 11 11 10.0 osh-nosouffle mut+alloc+free+gc
22 13 10 10.0 osh-nosouffle mut+alloc+free+gc+exit
23 10 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 14 10 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc