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 34 4 11 12.0 18.2 471,271 1,282 6 413,158 5 206,579 osh-native
parse.configure-cpython 36 4 11 12.0 18.7 471,271 1,282 6 413,166 5 206,583 osh-nosouffle
parse.configure-coreutils 145 26 70 45.9 51.7 1,638,010 4,764 12 1,056,656 6 787,849 osh-native
parse.configure-coreutils 151 25 68 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 8.5 102,799 180 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 1 2.8 8.8 572,123 22,608 12 50,000 0 2,994 osh-nosouffle
ex.bashcomp-parse-help 227 0 4 11.6 9.2 990,269 15,258 21 50,000 0 3,967 osh-native
ex.bashcomp-parse-help 231 0 4 11.6 9.4 990,268 15,258 21 50,000 0 3,973 osh-nosouffle
ex.abuild-print-help 21 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 6 0 1.7 dash -
13 12 1 3.4 bash -
91 53 45 3.5 zsh -
16 12 3 28.8 bumpleak/osh mut
16 11 6 30.4 _bin/cxx-opt+bumproot/osh mut
19 15 4 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 8 25.6 osh-native mut+alloc
28 14 14 25.8 osh-native mut+alloc+free
34 25 9 18.2 osh-native mut+alloc+free+gc
33 22 11 18.4 osh-native mut+alloc+free+gc+exit
28 19 9 26.0 osh-nosouffle mut+alloc
30 20 11 26.3 osh-nosouffle mut+alloc+free
36 27 9 18.7 osh-nosouffle mut+alloc+free+gc
37 30 7 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 25 14 32.9 _bin/cxx-opt+nopool/osh mut+alloc
45 36 9 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 3.5 bash -
333 191 165 3.8 zsh -
46 36 10 85.6 bumpleak/osh mut
48 41 7 84.8 _bin/cxx-opt+bumproot/osh mut
60 49 11 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 52 33 73.7 osh-native mut+alloc
92 69 23 75.5 osh-native mut+alloc+free
145 118 27 51.7 osh-native mut+alloc+free+gc
151 128 23 52.4 osh-native mut+alloc+free+gc+exit
92 64 28 73.9 osh-nosouffle mut+alloc
99 66 33 76.2 osh-nosouffle mut+alloc+free
151 135 16 52.1 osh-nosouffle mut+alloc+free+gc
157 136 21 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 90 37 97.7 _bin/cxx-opt+nopool/osh mut+alloc
216 185 31 73.1 _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 4 0 3.1 bash -
6 4 3 3.5 zsh -
6 3 3 11.8 bumpleak/osh mut
6 4 2 13.1 _bin/cxx-opt+bumproot/osh mut
8 4 3 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
8 5 4 10.6 osh-native mut+alloc+free
9 7 2 8.5 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
9 3 6 11.0 osh-nosouffle mut+alloc
9 6 3 11.3 osh-nosouffle mut+alloc+free
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc
10 7 4 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.9 _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
10 9 1 1.6 dash -
31 29 2 3.3 bash -
21 15 6 3.5 zsh -
17 14 3 32.1 bumpleak/osh mut
19 15 4 33.2 _bin/cxx-opt+bumproot/osh mut
21 18 3 31.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 16 12 27.0 osh-native mut+alloc
32 22 10 27.1 osh-native mut+alloc+free
21 18 2 8.3 osh-native mut+alloc+free+gc
20 16 4 8.3 osh-native mut+alloc+free+gc+exit
35 25 10 27.3 osh-nosouffle mut+alloc
36 26 10 27.5 osh-nosouffle mut+alloc+free
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc
25 21 4 8.8 osh-nosouffle mut+alloc+free+gc+exit
47 25 22 36.3 _bin/cxx-opt+nopool/osh mut+alloc
31 25 6 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 95 8 3.4 bash -
213 160 53 56.2 bumpleak/osh mut
224 169 56 56.3 _bin/cxx-opt+bumproot/osh mut
240 186 54 58.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 181 73 48.8 osh-native mut+alloc
273 207 66 50.7 osh-native mut+alloc+free
227 184 43 9.2 osh-native mut+alloc+free+gc
225 174 51 9.2 osh-native mut+alloc+free+gc+exit
268 207 61 49.3 osh-nosouffle mut+alloc
282 219 63 51.2 osh-nosouffle mut+alloc+free
231 191 40 9.4 osh-nosouffle mut+alloc+free+gc
230 182 48 9.6 osh-nosouffle mut+alloc+free+gc+exit
279 203 76 65.2 _bin/cxx-opt+nopool/osh mut+alloc
260 208 52 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 2 8 4.1 dash -
16 9 9 4.7 bash -
16 4 12 3.9 zsh -
19 6 13 12.9 bumpleak/osh mut
19 9 11 13.3 _bin/cxx-opt+bumproot/osh mut
19 10 9 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 7 13 11.7 osh-native mut+alloc
21 12 10 11.7 osh-native mut+alloc+free
21 13 8 9.6 osh-native mut+alloc+free+gc
22 12 11 9.4 osh-native mut+alloc+free+gc+exit
21 9 12 12.1 osh-nosouffle mut+alloc
23 9 14 12.3 osh-nosouffle mut+alloc+free
22 14 9 10.1 osh-nosouffle mut+alloc+free+gc
23 13 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 12 13.2 _bin/cxx-opt+nopool/osh mut+alloc
25 15 10 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc