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 5 11 12.0 18.1 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 9 12.0 18.6 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 154 28 77 45.9 51.8 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 173 31 87 45.9 52.1 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 10 1 2 2.6 8.8 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.2 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 228 0 4 11.6 9.7 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.0 117,234 277 3 84,016 1 42,008 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 3.3 bash -
93 54 46 3.5 zsh -
23 18 5 30.0 bumpleak/osh mut
17 13 4 29.4 _bin/cxx-opt+bumproot/osh mut
19 15 4 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
27 16 11 25.6 osh-native mut+alloc
29 18 10 25.8 osh-native mut+alloc+free
34 25 9 18.1 osh-native mut+alloc+free+gc
34 30 4 18.2 osh-native mut+alloc+free+gc+exit
29 23 6 26.1 osh-nosouffle mut+alloc
31 20 11 26.3 osh-nosouffle mut+alloc+free
35 30 5 18.6 osh-nosouffle mut+alloc+free+gc
36 27 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 25 14 32.8 _bin/cxx-opt+nopool/osh mut+alloc
51 43 8 22.7 _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 1.7 dash -
42 42 0 3.5 bash -
326 183 166 3.8 zsh -
45 36 9 85.9 bumpleak/osh mut
48 39 9 85.8 _bin/cxx-opt+bumproot/osh mut
59 42 17 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 49 36 73.7 osh-native mut+alloc
91 62 30 75.5 osh-native mut+alloc+free
154 128 26 51.8 osh-native mut+alloc+free+gc
165 136 29 52.4 osh-native mut+alloc+free+gc+exit
93 52 40 74.2 osh-nosouffle mut+alloc
104 76 28 75.9 osh-nosouffle mut+alloc+free
173 152 21 52.1 osh-nosouffle mut+alloc+free+gc
178 156 22 52.9 osh-nosouffle mut+alloc+free+gc+exit
133 79 54 97.9 _bin/cxx-opt+nopool/osh mut+alloc
222 188 33 74.9 _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 2 2 3.1 bash -
7 4 3 3.4 zsh -
7 3 4 12.4 bumpleak/osh mut
6 4 3 13.0 _bin/cxx-opt+bumproot/osh mut
7 5 2 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.5 osh-native mut+alloc
8 5 3 10.7 osh-native mut+alloc+free
10 7 3 8.8 osh-native mut+alloc+free+gc
9 5 4 8.8 osh-native mut+alloc+free+gc+exit
9 2 7 11.0 osh-nosouffle mut+alloc
9 4 5 11.1 osh-nosouffle mut+alloc+free
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 5 7 12.0 _bin/cxx-opt+nopool/osh mut+alloc
13 8 5 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 -
31 29 2 3.3 bash -
22 15 7 3.4 zsh -
17 11 7 33.1 bumpleak/osh mut
19 15 4 33.7 _bin/cxx-opt+bumproot/osh mut
22 17 4 33.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 12 26.7 osh-native mut+alloc
32 16 16 27.3 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
34 26 8 27.1 osh-nosouffle mut+alloc
37 27 9 27.7 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 20 5 8.7 osh-nosouffle mut+alloc+free+gc+exit
48 28 19 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 24 6 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
104 101 3 3.5 bash -
212 160 52 57.0 bumpleak/osh mut
222 169 52 57.3 _bin/cxx-opt+bumproot/osh mut
242 184 58 58.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 182 74 48.8 osh-native mut+alloc
266 191 74 50.9 osh-native mut+alloc+free
222 184 38 9.0 osh-native mut+alloc+free+gc
225 184 41 9.2 osh-native mut+alloc+free+gc+exit
264 202 62 49.3 osh-nosouffle mut+alloc
271 199 72 51.3 osh-nosouffle mut+alloc+free
228 177 51 9.7 osh-nosouffle mut+alloc+free+gc
229 174 55 9.6 osh-nosouffle mut+alloc+free+gc+exit
279 210 69 65.3 _bin/cxx-opt+nopool/osh mut+alloc
249 208 41 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 3 7 3.8 dash -
16 8 9 4.7 bash -
16 9 7 3.9 zsh -
18 10 8 14.2 bumpleak/osh mut
18 9 10 14.0 _bin/cxx-opt+bumproot/osh mut
19 9 11 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 9 12 11.7 osh-native mut+alloc
22 7 16 11.7 osh-native mut+alloc+free
21 9 13 9.4 osh-native mut+alloc+free+gc
22 10 13 9.4 osh-native mut+alloc+free+gc+exit
21 13 9 12.1 osh-nosouffle mut+alloc
23 8 15 12.2 osh-nosouffle mut+alloc+free
22 11 11 10.0 osh-nosouffle mut+alloc+free+gc
23 10 13 10.2 osh-nosouffle mut+alloc+free+gc+exit
24 14 11 13.2 _bin/cxx-opt+nopool/osh mut+alloc
25 13 13 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc