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 34 4 10 12.0 18.6 471,271 1,282 6 413,166 5 206,583 osh-nosouffle
parse.configure-coreutils 136 25 63 45.9 51.6 1,638,010 4,764 12 1,056,656 6 787,849 osh-native
parse.configure-coreutils 150 25 67 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 21 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 8.8 572,123 22,608 12 50,000 0 2,994 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.2 990,269 15,258 21 50,000 0 3,967 osh-native
ex.bashcomp-parse-help 226 0 4 11.6 9.8 990,268 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 10.0 117,229 277 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 1.7 dash -
13 11 2 3.3 bash -
90 51 46 3.5 zsh -
16 12 4 30.6 bumpleak/osh mut
16 11 5 29.9 _bin/cxx-opt+bumproot/osh mut
19 15 4 30.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 7 25.4 osh-native mut+alloc
28 20 7 25.8 osh-native mut+alloc+free
32 24 8 18.1 osh-native mut+alloc+free+gc
33 25 8 18.2 osh-native mut+alloc+free+gc+exit
29 19 10 26.1 osh-nosouffle mut+alloc
31 22 9 26.2 osh-nosouffle mut+alloc+free
34 27 8 18.6 osh-nosouffle mut+alloc+free+gc
35 27 8 18.9 osh-nosouffle mut+alloc+free+gc+exit
39 21 18 33.2 _bin/cxx-opt+nopool/osh mut+alloc
45 31 15 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 22 1 1.7 dash -
43 42 1 3.5 bash -
326 187 162 3.7 zsh -
46 37 9 84.6 bumpleak/osh mut
48 40 8 84.8 _bin/cxx-opt+bumproot/osh mut
61 43 18 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 39 43 73.8 osh-native mut+alloc
91 59 32 75.5 osh-native mut+alloc+free
136 115 21 51.6 osh-native mut+alloc+free+gc
145 120 25 52.5 osh-native mut+alloc+free+gc+exit
92 64 28 73.9 osh-nosouffle mut+alloc
100 72 28 75.9 osh-nosouffle mut+alloc+free
150 126 24 52.3 osh-nosouffle mut+alloc+free+gc
149 125 24 53.0 osh-nosouffle mut+alloc+free+gc+exit
127 70 57 97.9 _bin/cxx-opt+nopool/osh mut+alloc
208 176 32 73.2 _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 1.6 dash -
4 2 1 3.1 bash -
6 1 5 3.4 zsh -
6 4 2 13.2 bumpleak/osh mut
6 5 1 12.8 _bin/cxx-opt+bumproot/osh mut
7 2 5 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.6 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 5 4 8.7 osh-native mut+alloc+free+gc
9 8 1 8.8 osh-native mut+alloc+free+gc+exit
9 5 3 11.0 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
10 9 1 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.4 _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 1 1.6 dash -
31 30 1 3.3 bash -
21 17 4 3.4 zsh -
17 14 3 32.9 bumpleak/osh mut
18 17 1 33.5 _bin/cxx-opt+bumproot/osh mut
21 17 4 33.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 17 11 26.9 osh-native mut+alloc
31 22 9 27.0 osh-native mut+alloc+free
21 19 2 8.3 osh-native mut+alloc+free+gc
21 16 5 8.1 osh-native mut+alloc+free+gc+exit
34 26 8 27.4 osh-nosouffle mut+alloc
36 29 7 27.7 osh-nosouffle mut+alloc+free
25 21 4 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 30 16 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 26 4 10.0 _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
103 101 2 3.5 bash -
213 169 44 56.6 bumpleak/osh mut
220 168 52 57.9 _bin/cxx-opt+bumproot/osh mut
239 172 67 57.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 186 68 48.8 osh-native mut+alloc
261 185 76 50.9 osh-native mut+alloc+free
221 173 48 9.2 osh-native mut+alloc+free+gc
220 174 47 9.0 osh-native mut+alloc+free+gc+exit
260 202 58 49.4 osh-nosouffle mut+alloc
266 188 78 51.1 osh-nosouffle mut+alloc+free
226 181 45 9.8 osh-nosouffle mut+alloc+free+gc
228 176 52 9.7 osh-nosouffle mut+alloc+free+gc+exit
281 204 77 64.9 _bin/cxx-opt+nopool/osh mut+alloc
251 205 46 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 3.9 dash -
16 7 10 4.7 bash -
16 8 8 3.8 zsh -
19 6 13 12.9 bumpleak/osh mut
19 11 9 13.0 _bin/cxx-opt+bumproot/osh mut
19 12 8 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 11 11.7 osh-native mut+alloc
21 7 14 11.8 osh-native mut+alloc+free
21 13 8 9.4 osh-native mut+alloc+free+gc
21 13 9 9.7 osh-native mut+alloc+free+gc+exit
21 13 8 12.1 osh-nosouffle mut+alloc
23 12 11 12.3 osh-nosouffle mut+alloc+free
22 16 7 10.0 osh-nosouffle mut+alloc+free+gc
23 10 13 10.1 osh-nosouffle mut+alloc+free+gc+exit
24 13 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
25 13 12 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc