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 11 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 136 24 63 45.9 51.6 1,638,010 4,764 12 1,056,656 6 787,849 osh-native
parse.configure-coreutils 147 24 65 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 9.0 102,799 180 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 8.9 572,123 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 226 0 3 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 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
6 5 2 1.6 dash -
13 13 0 3.3 bash -
89 59 36 3.7 zsh -
15 10 6 28.7 bumpleak/osh mut
17 12 5 30.6 _bin/cxx-opt+bumproot/osh mut
20 14 6 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 17 8 25.3 osh-native mut+alloc
28 17 11 26.0 osh-native mut+alloc+free
32 24 8 18.5 osh-native mut+alloc+free+gc
34 26 8 18.4 osh-native mut+alloc+free+gc+exit
28 21 8 26.0 osh-nosouffle mut+alloc
31 22 9 26.2 osh-nosouffle mut+alloc+free
37 32 5 18.7 osh-nosouffle mut+alloc+free+gc
40 32 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 22 17 33.4 _bin/cxx-opt+nopool/osh mut+alloc
48 39 9 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 21 2 1.7 dash -
42 41 1 3.4 bash -
325 176 170 3.7 zsh -
46 36 9 84.7 bumpleak/osh mut
49 39 10 85.3 _bin/cxx-opt+bumproot/osh mut
60 42 18 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
81 55 26 73.7 osh-native mut+alloc
89 60 29 75.5 osh-native mut+alloc+free
136 108 28 51.6 osh-native mut+alloc+free+gc
142 120 22 52.4 osh-native mut+alloc+free+gc+exit
91 50 41 74.1 osh-nosouffle mut+alloc
100 70 30 75.9 osh-nosouffle mut+alloc+free
147 124 23 52.3 osh-nosouffle mut+alloc+free+gc
151 134 17 52.9 osh-nosouffle mut+alloc+free+gc+exit
126 77 49 98.1 _bin/cxx-opt+nopool/osh mut+alloc
191 162 29 71.2 _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 2 0 1.8 dash -
4 3 1 3.1 bash -
6 3 3 3.3 zsh -
6 2 4 13.1 bumpleak/osh mut
6 5 1 11.5 _bin/cxx-opt+bumproot/osh mut
7 5 1 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.5 osh-native mut+alloc
8 4 4 10.7 osh-native mut+alloc+free
9 7 2 8.8 osh-native mut+alloc+free+gc
9 4 5 8.8 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
10 5 5 9.0 osh-nosouffle mut+alloc+free+gc
10 9 1 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 2 9 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 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 0 1.7 dash -
31 30 1 3.1 bash -
21 17 4 3.5 zsh -
17 15 1 33.5 bumpleak/osh mut
18 14 4 32.3 _bin/cxx-opt+bumproot/osh mut
21 16 5 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 14 14 27.0 osh-native mut+alloc
30 17 13 27.0 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 19 1 8.1 osh-native mut+alloc+free+gc+exit
33 21 12 27.3 osh-nosouffle mut+alloc
35 23 13 27.6 osh-nosouffle mut+alloc+free
25 23 2 8.9 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 21 26 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 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
106 102 4 3.4 bash -
212 156 56 57.0 bumpleak/osh mut
219 169 50 57.8 _bin/cxx-opt+bumproot/osh mut
238 172 66 58.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 190 64 48.8 osh-native mut+alloc
264 187 76 50.7 osh-native mut+alloc+free
221 177 44 9.2 osh-native mut+alloc+free+gc
222 174 48 9.2 osh-native mut+alloc+free+gc+exit
259 194 65 49.3 osh-nosouffle mut+alloc
269 194 75 51.3 osh-nosouffle mut+alloc+free
226 180 46 9.6 osh-nosouffle mut+alloc+free+gc
227 172 54 9.6 osh-nosouffle mut+alloc+free+gc+exit
276 205 71 64.6 _bin/cxx-opt+nopool/osh mut+alloc
249 201 48 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 6 10 4.8 bash -
16 7 9 3.9 zsh -
17 9 8 12.5 bumpleak/osh mut
19 9 10 13.1 _bin/cxx-opt+bumproot/osh mut
19 10 10 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 7 12 11.7 osh-native mut+alloc
21 12 9 11.8 osh-native mut+alloc+free
20 11 10 9.6 osh-native mut+alloc+free+gc
21 12 10 9.7 osh-native mut+alloc+free+gc+exit
21 8 13 12.1 osh-nosouffle mut+alloc
22 9 13 12.1 osh-nosouffle mut+alloc+free
22 11 11 10.1 osh-nosouffle mut+alloc+free+gc
22 13 10 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 10 14 12.8 _bin/cxx-opt+nopool/osh mut+alloc
24 14 10 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc