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 18.7 471,271 1,282 6 413,166 5 206,583 osh-nosouffle
parse.configure-coreutils 142 27 68 45.9 51.9 1,638,010 4,764 12 1,056,656 6 787,849 osh-native
parse.configure-coreutils 155 28 72 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 8.7 102,799 180 3 86,644 1 43,322 osh-native
parse.abuild 11 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 8.1 572,123 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 222 0 3 11.6 9.0 990,269 15,258 21 50,000 0 3,967 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.6 990,268 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 10.1 117,229 277 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
7 7 0 1.7 dash -
13 12 1 3.1 bash -
92 53 45 3.5 zsh -
16 14 2 29.1 bumpleak/osh mut
17 13 3 29.2 _bin/cxx-opt+bumproot/osh mut
20 14 5 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 16 10 25.4 osh-native mut+alloc
28 18 10 25.7 osh-native mut+alloc+free
32 22 10 18.2 osh-native mut+alloc+free+gc
32 24 8 18.1 osh-native mut+alloc+free+gc+exit
28 18 10 25.8 osh-nosouffle mut+alloc
31 18 12 26.2 osh-nosouffle mut+alloc+free
35 33 2 18.7 osh-nosouffle mut+alloc+free+gc
36 26 10 18.7 osh-nosouffle mut+alloc+free+gc+exit
38 24 14 33.1 _bin/cxx-opt+nopool/osh mut+alloc
45 34 11 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 40 2 3.5 bash -
332 184 171 3.8 zsh -
46 38 8 85.1 bumpleak/osh mut
48 40 8 86.1 _bin/cxx-opt+bumproot/osh mut
60 46 14 87.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 54 30 73.7 osh-native mut+alloc
93 61 32 75.3 osh-native mut+alloc+free
142 116 26 51.9 osh-native mut+alloc+free+gc
146 115 31 52.5 osh-native mut+alloc+free+gc+exit
92 61 31 74.1 osh-nosouffle mut+alloc
104 65 39 75.9 osh-nosouffle mut+alloc+free
155 133 22 52.1 osh-nosouffle mut+alloc+free+gc
159 136 23 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 71 57 99.2 _bin/cxx-opt+nopool/osh mut+alloc
204 177 27 72.7 _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 2 1 3.3 bash -
6 1 5 3.4 zsh -
7 4 3 12.3 bumpleak/osh mut
6 2 4 11.6 _bin/cxx-opt+bumproot/osh mut
7 5 2 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 4 5 10.7 osh-native mut+alloc+free
9 7 3 8.7 osh-native mut+alloc+free+gc
9 7 3 8.9 osh-native mut+alloc+free+gc+exit
9 3 6 11.0 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
11 7 4 9.0 osh-nosouffle mut+alloc+free+gc
11 9 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 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 1.6 dash -
30 30 0 3.1 bash -
21 15 6 3.4 zsh -
17 15 2 31.6 bumpleak/osh mut
18 14 4 33.4 _bin/cxx-opt+bumproot/osh mut
21 18 3 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 15 14 26.9 osh-native mut+alloc
31 20 11 27.2 osh-native mut+alloc+free
20 17 4 8.1 osh-native mut+alloc+free+gc
20 15 5 8.3 osh-native mut+alloc+free+gc+exit
34 25 9 27.1 osh-nosouffle mut+alloc
36 19 16 27.7 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 27 19 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 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 3.4 bash -
212 158 54 57.2 bumpleak/osh mut
222 175 47 57.6 _bin/cxx-opt+bumproot/osh mut
240 171 69 57.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 200 57 48.8 osh-native mut+alloc
266 188 77 50.7 osh-native mut+alloc+free
222 172 50 9.0 osh-native mut+alloc+free+gc
223 178 45 9.0 osh-native mut+alloc+free+gc+exit
270 193 73 49.3 osh-nosouffle mut+alloc
273 198 75 51.3 osh-nosouffle mut+alloc+free
227 187 40 9.6 osh-nosouffle mut+alloc+free+gc
229 182 47 9.7 osh-nosouffle mut+alloc+free+gc+exit
280 214 66 65.9 _bin/cxx-opt+nopool/osh mut+alloc
253 192 61 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 4.1 dash -
16 10 6 4.8 bash -
16 6 10 3.9 zsh -
19 7 12 13.5 bumpleak/osh mut
17 9 9 14.2 _bin/cxx-opt+bumproot/osh mut
20 9 12 14.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 11 11.7 osh-native mut+alloc
21 13 8 11.7 osh-native mut+alloc+free
21 10 11 9.4 osh-native mut+alloc+free+gc
22 14 8 9.6 osh-native mut+alloc+free+gc+exit
21 9 13 12.2 osh-nosouffle mut+alloc
22 11 12 12.3 osh-nosouffle mut+alloc+free
22 10 13 10.1 osh-nosouffle mut+alloc+free+gc
23 13 11 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 12 12 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc