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 3 10 12.0 18.4 471,269 1,282 6 413,154 5 206,577 osh-native
parse.configure-cpython 36 4 11 12.0 18.7 471,269 1,282 6 413,162 5 206,581 osh-nosouffle
parse.configure-coreutils 150 28 75 45.9 51.7 1,638,008 4,764 12 1,056,652 6 787,847 osh-native
parse.configure-coreutils 154 27 70 45.9 52.1 1,638,007 4,764 12 1,056,660 6 787,851 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,797 180 3 86,640 1 43,320 osh-native
parse.abuild 10 1 2 2.6 9.2 102,797 180 3 86,648 1 43,324 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,121 22,608 12 50,000 0 2,987 osh-native
ex.compute-fib 26 0 2 2.8 8.7 572,121 22,608 12 50,000 0 2,992 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 8.9 990,267 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 230 0 4 11.6 9.6 990,266 15,258 21 50,000 0 3,971 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,228 277 3 84,002 1 42,001 osh-native
ex.abuild-print-help 22 1 2 3.0 10.0 117,227 277 3 84,010 1 42,005 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 7 0 1.6 dash -
13 12 1 3.4 bash -
92 54 45 3.5 zsh -
16 13 3 29.9 bumpleak/osh mut
17 13 4 29.2 _bin/cxx-opt+bumproot/osh mut
20 14 6 30.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 19 7 25.6 osh-native mut+alloc
28 16 12 25.8 osh-native mut+alloc+free
32 25 7 18.4 osh-native mut+alloc+free+gc
33 24 9 18.1 osh-native mut+alloc+free+gc+exit
29 19 10 26.0 osh-nosouffle mut+alloc
31 25 6 26.2 osh-nosouffle mut+alloc+free
36 29 7 18.7 osh-nosouffle mut+alloc+free+gc
36 31 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 22 17 32.1 _bin/cxx-opt+nopool/osh mut+alloc
47 36 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 20 3 1.6 dash -
42 41 1 3.4 bash -
328 193 159 3.5 zsh -
46 37 8 86.3 bumpleak/osh mut
49 40 9 85.8 _bin/cxx-opt+bumproot/osh mut
60 42 17 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 47 35 73.5 osh-native mut+alloc
91 56 34 75.5 osh-native mut+alloc+free
150 124 26 51.7 osh-native mut+alloc+free+gc
156 137 19 52.4 osh-native mut+alloc+free+gc+exit
93 57 36 74.2 osh-nosouffle mut+alloc
103 65 37 76.0 osh-nosouffle mut+alloc+free
154 131 23 52.1 osh-nosouffle mut+alloc+free+gc
157 135 22 52.9 osh-nosouffle mut+alloc+free+gc+exit
128 81 47 97.6 _bin/cxx-opt+nopool/osh mut+alloc
218 180 38 72.9 _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 1.6 dash -
4 3 1 3.3 bash -
7 3 3 3.4 zsh -
6 5 1 11.4 bumpleak/osh mut
6 3 3 11.7 _bin/cxx-opt+bumproot/osh mut
7 4 3 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.5 osh-native mut+alloc
8 6 2 10.5 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 7 2 8.7 osh-native mut+alloc+free+gc+exit
9 5 3 11.0 osh-nosouffle mut+alloc
9 3 6 11.1 osh-nosouffle mut+alloc+free
10 5 5 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 8 5 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 1.6 dash -
30 28 2 3.3 bash -
21 16 5 3.4 zsh -
17 12 6 32.3 bumpleak/osh mut
19 11 8 32.8 _bin/cxx-opt+bumproot/osh mut
22 15 7 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 19 10 26.9 osh-native mut+alloc
31 20 10 27.1 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
34 20 14 27.5 osh-nosouffle mut+alloc
36 27 9 27.6 osh-nosouffle mut+alloc+free
26 23 3 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 32 13 36.1 _bin/cxx-opt+nopool/osh mut+alloc
31 28 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
104 101 3 3.4 bash -
217 168 49 57.6 bumpleak/osh mut
222 175 47 56.2 _bin/cxx-opt+bumproot/osh mut
242 186 56 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
260 185 75 48.9 osh-native mut+alloc
267 191 76 50.7 osh-native mut+alloc+free
222 163 58 8.9 osh-native mut+alloc+free+gc
225 179 46 9.0 osh-native mut+alloc+free+gc+exit
264 187 77 49.3 osh-nosouffle mut+alloc
273 199 74 51.1 osh-nosouffle mut+alloc+free
230 173 57 9.6 osh-nosouffle mut+alloc+free+gc
228 176 52 9.6 osh-nosouffle mut+alloc+free+gc+exit
290 214 73 65.5 _bin/cxx-opt+nopool/osh mut+alloc
258 198 60 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 3.9 dash -
16 9 8 4.8 bash -
16 9 7 3.9 zsh -
17 7 11 13.8 bumpleak/osh mut
21 10 11 13.1 _bin/cxx-opt+bumproot/osh mut
19 13 7 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 8 12 11.5 osh-native mut+alloc
21 9 13 11.7 osh-native mut+alloc+free
21 11 10 9.6 osh-native mut+alloc+free+gc
22 12 10 9.6 osh-native mut+alloc+free+gc+exit
21 11 11 12.2 osh-nosouffle mut+alloc
22 10 12 12.3 osh-nosouffle mut+alloc+free
22 13 10 10.0 osh-nosouffle mut+alloc+free+gc
23 13 10 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 11 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 15 10 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc