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 33 4 10 12.0 18.2 471,271 1,282 6 413,158 5 206,579 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,271 1,282 6 413,166 5 206,583 osh-nosouffle
parse.configure-coreutils 142 27 67 45.9 51.6 1,638,010 4,764 12 1,056,656 6 787,849 osh-native
parse.configure-coreutils 150 25 66 45.9 52.1 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 8.1 572,123 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 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 9.6 990,268 15,258 21 50,000 0 3,973 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.6 117,230 277 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 7 0 1.7 dash -
13 13 0 3.1 bash -
90 49 48 3.5 zsh -
16 12 4 29.0 bumpleak/osh mut
16 13 4 30.3 _bin/cxx-opt+bumproot/osh mut
20 16 4 29.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 14 12 25.4 osh-native mut+alloc
27 20 8 26.0 osh-native mut+alloc+free
33 25 7 18.2 osh-native mut+alloc+free+gc
32 24 8 18.2 osh-native mut+alloc+free+gc+exit
28 19 9 25.8 osh-nosouffle mut+alloc
30 14 16 26.2 osh-nosouffle mut+alloc+free
34 26 8 18.7 osh-nosouffle mut+alloc+free+gc
35 30 5 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 28 11 32.9 _bin/cxx-opt+nopool/osh mut+alloc
47 36 10 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 40 2 3.5 bash -
328 183 168 3.7 zsh -
46 37 9 84.6 bumpleak/osh mut
48 41 8 84.9 _bin/cxx-opt+bumproot/osh mut
60 48 12 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 55 28 73.6 osh-native mut+alloc
90 55 35 75.5 osh-native mut+alloc+free
142 121 21 51.6 osh-native mut+alloc+free+gc
143 114 29 52.4 osh-native mut+alloc+free+gc+exit
93 58 34 74.1 osh-nosouffle mut+alloc
102 72 29 76.2 osh-nosouffle mut+alloc+free
150 124 26 52.1 osh-nosouffle mut+alloc+free+gc
154 126 28 52.9 osh-nosouffle mut+alloc+free+gc+exit
124 84 40 98.7 _bin/cxx-opt+nopool/osh mut+alloc
197 168 29 71.8 _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 1.4 dash -
4 2 1 3.1 bash -
6 2 4 3.4 zsh -
6 4 2 11.5 bumpleak/osh mut
7 4 3 12.2 _bin/cxx-opt+bumproot/osh mut
7 5 2 12.0 _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 7 2 8.8 osh-native mut+alloc+free+gc
9 6 3 8.9 osh-native mut+alloc+free+gc+exit
9 8 1 11.0 osh-nosouffle mut+alloc
9 6 3 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 8 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 1 1.6 dash -
31 31 0 3.4 bash -
21 12 9 3.5 zsh -
16 13 4 31.7 bumpleak/osh mut
18 14 4 31.8 _bin/cxx-opt+bumproot/osh mut
21 20 1 34.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 18 10 27.0 osh-native mut+alloc
30 18 12 27.1 osh-native mut+alloc+free
20 18 2 8.1 osh-native mut+alloc+free+gc
20 15 5 8.3 osh-native mut+alloc+free+gc+exit
34 22 12 27.4 osh-nosouffle mut+alloc
35 26 9 27.5 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 24 1 8.5 osh-nosouffle mut+alloc+free+gc+exit
45 27 18 36.4 _bin/cxx-opt+nopool/osh mut+alloc
29 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
107 104 3 3.4 bash -
214 174 39 55.9 bumpleak/osh mut
222 171 51 57.3 _bin/cxx-opt+bumproot/osh mut
238 175 64 57.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 188 69 48.8 osh-native mut+alloc
263 195 68 50.9 osh-native mut+alloc+free
221 168 53 9.2 osh-native mut+alloc+free+gc
220 172 48 8.9 osh-native mut+alloc+free+gc+exit
262 192 70 49.2 osh-nosouffle mut+alloc
272 196 76 51.3 osh-nosouffle mut+alloc+free
226 174 52 9.6 osh-nosouffle mut+alloc+free+gc
225 185 39 9.7 osh-nosouffle mut+alloc+free+gc+exit
278 205 73 65.7 _bin/cxx-opt+nopool/osh mut+alloc
254 199 55 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 5 5 3.8 dash -
16 6 10 4.7 bash -
16 7 9 3.9 zsh -
17 8 10 14.2 bumpleak/osh mut
20 6 14 14.0 _bin/cxx-opt+bumproot/osh mut
20 11 9 14.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 11 9 11.7 osh-native mut+alloc
21 7 15 11.7 osh-native mut+alloc+free
20 11 10 9.6 osh-native mut+alloc+free+gc
21 11 11 9.6 osh-native mut+alloc+free+gc+exit
20 8 13 12.1 osh-nosouffle mut+alloc
22 12 11 12.2 osh-nosouffle mut+alloc+free
21 11 11 10.0 osh-nosouffle mut+alloc+free+gc
22 10 13 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 14 10 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc