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 31 3 9 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 36 4 10 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 137 23 64 45.9 51.6 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 143 24 60 45.9 52.3 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.9 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.3 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 19 0 1 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 24 0 1 2.8 8.5 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 223 0 3 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 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,234 277 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 1.7 dash -
13 12 1 3.3 bash -
88 52 43 3.5 zsh -
15 9 6 30.3 bumpleak/osh mut
16 11 6 29.2 _bin/cxx-opt+bumproot/osh mut
19 15 4 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 16 9 25.4 osh-native mut+alloc
27 16 11 25.8 osh-native mut+alloc+free
31 27 4 18.2 osh-native mut+alloc+free+gc
32 24 8 18.4 osh-native mut+alloc+free+gc+exit
28 20 8 26.0 osh-nosouffle mut+alloc
30 18 12 26.3 osh-nosouffle mut+alloc+free
36 26 10 18.7 osh-nosouffle mut+alloc+free+gc
36 31 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 24 15 33.2 _bin/cxx-opt+nopool/osh mut+alloc
44 35 9 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 22 1 1.7 dash -
43 41 2 3.4 bash -
326 189 160 3.8 zsh -
46 39 7 85.1 bumpleak/osh mut
48 38 9 85.0 _bin/cxx-opt+bumproot/osh mut
59 47 12 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
81 57 24 73.8 osh-native mut+alloc
89 58 31 75.5 osh-native mut+alloc+free
137 118 19 51.6 osh-native mut+alloc+free+gc
140 114 26 52.4 osh-native mut+alloc+free+gc+exit
91 58 34 74.1 osh-nosouffle mut+alloc
98 64 34 75.9 osh-nosouffle mut+alloc+free
143 126 17 52.3 osh-nosouffle mut+alloc+free+gc
146 122 24 52.8 osh-nosouffle mut+alloc+free+gc+exit
124 79 45 98.0 _bin/cxx-opt+nopool/osh mut+alloc
193 169 24 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 2 0 1.7 dash -
4 4 0 3.1 bash -
6 4 3 3.3 zsh -
6 3 3 11.7 bumpleak/osh mut
7 3 4 12.5 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.6 osh-native mut+alloc
8 4 4 10.7 osh-native mut+alloc+free
9 4 5 8.9 osh-native mut+alloc+free+gc
9 8 1 8.9 osh-native mut+alloc+free+gc+exit
9 4 5 10.9 osh-nosouffle mut+alloc
9 6 3 11.1 osh-nosouffle mut+alloc+free
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc
10 6 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 4 7 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 9.6 _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 1.4 dash -
30 29 1 3.3 bash -
21 15 6 3.5 zsh -
16 13 3 32.0 bumpleak/osh mut
18 13 6 33.3 _bin/cxx-opt+bumproot/osh mut
20 16 4 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 22 6 26.7 osh-native mut+alloc
30 18 11 27.1 osh-native mut+alloc+free
19 17 2 8.3 osh-native mut+alloc+free+gc
19 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 23 10 27.3 osh-nosouffle mut+alloc
35 23 12 27.5 osh-nosouffle mut+alloc+free
24 23 1 8.5 osh-nosouffle mut+alloc+free+gc
25 25 0 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 27 17 36.8 _bin/cxx-opt+nopool/osh mut+alloc
30 28 2 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
103 95 8 3.4 bash -
213 158 55 55.8 bumpleak/osh mut
223 191 32 56.7 _bin/cxx-opt+bumproot/osh mut
240 190 50 58.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 191 65 48.8 osh-native mut+alloc
265 197 68 50.7 osh-native mut+alloc+free
223 170 53 9.0 osh-native mut+alloc+free+gc
225 169 56 9.2 osh-native mut+alloc+free+gc+exit
261 204 57 49.2 osh-nosouffle mut+alloc
273 204 69 51.1 osh-nosouffle mut+alloc+free
228 187 41 9.6 osh-nosouffle mut+alloc+free+gc
229 180 48 9.7 osh-nosouffle mut+alloc+free+gc+exit
277 203 73 64.7 _bin/cxx-opt+nopool/osh mut+alloc
270 215 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 2 7 4.1 dash -
16 8 8 4.8 bash -
16 9 7 3.9 zsh -
19 6 13 13.4 bumpleak/osh mut
19 7 13 13.8 _bin/cxx-opt+bumproot/osh mut
18 9 10 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 10 11.5 osh-native mut+alloc
21 7 14 11.8 osh-native mut+alloc+free
20 9 11 9.4 osh-native mut+alloc+free+gc
21 11 10 9.6 osh-native mut+alloc+free+gc+exit
20 11 10 12.2 osh-nosouffle mut+alloc
22 10 12 12.3 osh-nosouffle mut+alloc+free
21 11 10 10.1 osh-nosouffle mut+alloc+free+gc
22 12 11 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 12 11 13.2 _bin/cxx-opt+nopool/osh mut+alloc
23 12 12 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc