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 18.2 471,271 1,282 6 413,158 5 206,579 osh-native
parse.configure-cpython 35 4 10 12.0 18.9 471,271 1,282 6 413,166 5 206,583 osh-nosouffle
parse.configure-coreutils 130 23 58 45.9 51.7 1,638,010 4,764 12 1,056,656 6 787,849 osh-native
parse.configure-coreutils 147 27 64 45.9 52.2 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 9.3 102,799 180 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 1 2.8 8.8 572,123 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 228 0 3 11.6 9.7 990,268 15,258 21 50,000 0 3,973 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.3 117,230 277 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
6 5 1 1.6 dash -
13 11 2 3.3 bash -
89 55 40 3.7 zsh -
16 10 6 28.8 bumpleak/osh mut
16 12 5 28.8 _bin/cxx-opt+bumproot/osh mut
19 14 4 30.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 22 3 25.3 osh-native mut+alloc
28 18 10 25.8 osh-native mut+alloc+free
32 24 8 18.2 osh-native mut+alloc+free+gc
33 26 7 18.2 osh-native mut+alloc+free+gc+exit
28 21 7 26.0 osh-nosouffle mut+alloc
30 21 9 26.2 osh-nosouffle mut+alloc+free
35 29 6 18.9 osh-nosouffle mut+alloc+free+gc
35 28 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
38 24 14 32.2 _bin/cxx-opt+nopool/osh mut+alloc
46 39 7 22.5 _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 1.6 dash -
42 41 1 3.4 bash -
326 194 155 3.8 zsh -
46 34 12 86.1 bumpleak/osh mut
48 38 10 86.2 _bin/cxx-opt+bumproot/osh mut
59 47 12 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 54 28 73.8 osh-native mut+alloc
90 58 32 75.5 osh-native mut+alloc+free
130 112 18 51.7 osh-native mut+alloc+free+gc
136 115 21 52.3 osh-native mut+alloc+free+gc+exit
92 53 39 74.1 osh-nosouffle mut+alloc
99 60 39 76.0 osh-nosouffle mut+alloc+free
147 120 27 52.2 osh-nosouffle mut+alloc+free+gc
149 125 23 52.9 osh-nosouffle mut+alloc+free+gc+exit
124 87 37 98.0 _bin/cxx-opt+nopool/osh mut+alloc
189 156 33 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 1.7 dash -
4 4 0 3.1 bash -
6 5 1 3.3 zsh -
6 4 2 11.7 bumpleak/osh mut
6 6 0 12.5 _bin/cxx-opt+bumproot/osh mut
7 2 5 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.6 osh-native mut+alloc
8 4 4 10.9 osh-native mut+alloc+free
9 8 1 8.8 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
9 7 2 11.0 osh-nosouffle mut+alloc
9 5 4 11.0 osh-nosouffle mut+alloc+free
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 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
10 10 0 1.4 dash -
30 29 1 3.3 bash -
21 17 4 3.3 zsh -
17 13 3 32.4 bumpleak/osh mut
18 13 5 31.8 _bin/cxx-opt+bumproot/osh mut
21 16 5 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 9 26.9 osh-native mut+alloc
30 22 8 27.3 osh-native mut+alloc+free
20 18 2 8.1 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
34 24 10 27.4 osh-nosouffle mut+alloc
35 23 12 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 31 14 36.8 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 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
103 101 2 3.5 bash -
211 159 52 57.1 bumpleak/osh mut
219 159 60 57.6 _bin/cxx-opt+bumproot/osh mut
239 187 53 58.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
252 174 78 48.8 osh-native mut+alloc
262 200 62 50.6 osh-native mut+alloc+free
221 169 52 9.2 osh-native mut+alloc+free+gc
219 172 47 9.0 osh-native mut+alloc+free+gc+exit
259 204 55 49.6 osh-nosouffle mut+alloc
269 188 81 51.4 osh-nosouffle mut+alloc+free
228 185 43 9.7 osh-nosouffle mut+alloc+free+gc
227 177 51 9.6 osh-nosouffle mut+alloc+free+gc+exit
279 206 72 64.4 _bin/cxx-opt+nopool/osh mut+alloc
249 194 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 4 3.9 dash -
15 4 12 4.8 bash -
15 4 11 3.9 zsh -
19 11 8 13.6 bumpleak/osh mut
17 12 6 12.6 _bin/cxx-opt+bumproot/osh mut
18 6 13 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 11 11.5 osh-native mut+alloc
21 10 12 11.8 osh-native mut+alloc+free
20 13 8 9.3 osh-native mut+alloc+free+gc
20 11 10 9.7 osh-native mut+alloc+free+gc+exit
20 9 11 12.2 osh-nosouffle mut+alloc
22 9 13 12.3 osh-nosouffle mut+alloc+free
21 13 9 10.0 osh-nosouffle mut+alloc+free+gc
21 12 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 13 12 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc