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 30 4 11 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 33 4 11 12.0 18.9 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 121 18 56 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 131 19 57 45.9 52.3 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 8 1 2 2.6 8.8 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 9 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 24 0 2 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 171 0 5 11.6 8.9 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 176 0 5 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 18 1 2 3.0 9.6 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 19 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
5 5 0 1.7 dash -
11 10 1 3.4 bash -
64 46 22 3.5 zsh -
16 11 5 28.5 bumpleak/osh mut
17 10 7 30.6 _bin/cxx-opt+bumproot/osh mut
19 14 5 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 15 6 25.4 osh-native mut+alloc
24 20 5 25.8 osh-native mut+alloc+free
30 23 7 18.2 osh-native mut+alloc+free+gc
31 24 7 18.4 osh-native mut+alloc+free+gc+exit
25 18 6 26.2 osh-nosouffle mut+alloc
27 22 5 26.3 osh-nosouffle mut+alloc+free
33 30 3 18.9 osh-nosouffle mut+alloc+free+gc
34 27 7 18.9 osh-nosouffle mut+alloc+free+gc+exit
33 20 13 32.3 _bin/cxx-opt+nopool/osh mut+alloc
42 32 10 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
18 17 1 1.6 dash -
38 36 2 3.5 bash -
234 145 104 3.7 zsh -
48 33 16 84.8 bumpleak/osh mut
53 38 15 86.4 _bin/cxx-opt+bumproot/osh mut
61 42 19 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
71 45 25 73.7 osh-native mut+alloc
81 58 24 75.6 osh-native mut+alloc+free
121 101 19 51.7 osh-native mut+alloc+free+gc
128 106 22 52.6 osh-native mut+alloc+free+gc+exit
79 58 21 74.1 osh-nosouffle mut+alloc
90 65 26 75.8 osh-nosouffle mut+alloc+free
131 113 18 52.3 osh-nosouffle mut+alloc+free+gc
138 115 23 52.9 osh-nosouffle mut+alloc+free+gc+exit
108 72 35 97.9 _bin/cxx-opt+nopool/osh mut+alloc
173 149 24 72.6 _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
1 1 0 1.4 dash -
3 2 1 3.1 bash -
5 5 0 3.5 zsh -
5 4 1 11.4 bumpleak/osh mut
6 3 3 12.8 _bin/cxx-opt+bumproot/osh mut
6 4 2 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 3 4 10.6 osh-native mut+alloc
7 3 4 10.7 osh-native mut+alloc+free
8 6 2 8.8 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
7 7 0 11.0 osh-nosouffle mut+alloc
8 7 1 11.3 osh-nosouffle mut+alloc+free
9 9 0 9.2 osh-nosouffle mut+alloc+free+gc
9 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
9 4 5 12.0 _bin/cxx-opt+nopool/osh mut+alloc
11 8 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 8 1 1.4 dash -
29 28 1 3.1 bash -
16 13 3 3.3 zsh -
18 14 4 32.3 bumpleak/osh mut
20 12 7 33.6 _bin/cxx-opt+bumproot/osh mut
22 17 6 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 17 8 27.0 osh-native mut+alloc
28 20 7 27.3 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 19 1 8.1 osh-native mut+alloc+free+gc+exit
30 22 8 27.3 osh-nosouffle mut+alloc
32 27 5 27.7 osh-nosouffle mut+alloc+free
24 21 3 8.8 osh-nosouffle mut+alloc+free+gc
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc+exit
38 23 15 36.4 _bin/cxx-opt+nopool/osh mut+alloc
28 26 2 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
96 93 3 3.4 bash -
170 139 31 57.0 bumpleak/osh mut
179 152 27 56.1 _bin/cxx-opt+bumproot/osh mut
187 152 35 57.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
194 160 34 49.0 osh-native mut+alloc
205 167 38 50.9 osh-native mut+alloc+free
171 160 11 8.9 osh-native mut+alloc+free+gc
174 156 18 9.2 osh-native mut+alloc+free+gc+exit
201 158 43 49.6 osh-nosouffle mut+alloc
209 170 39 51.3 osh-nosouffle mut+alloc+free
176 156 20 9.6 osh-nosouffle mut+alloc+free+gc
175 155 20 9.8 osh-nosouffle mut+alloc+free+gc+exit
218 182 37 64.4 _bin/cxx-opt+nopool/osh mut+alloc
199 184 15 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
7 3 4 4.2 dash -
13 8 5 4.8 bash -
12 7 4 3.9 zsh -
16 10 7 13.1 bumpleak/osh mut
14 8 6 14.5 _bin/cxx-opt+bumproot/osh mut
15 7 9 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
16 10 6 11.5 osh-native mut+alloc
17 9 9 11.7 osh-native mut+alloc+free
18 10 8 9.6 osh-native mut+alloc+free+gc
18 9 9 9.7 osh-native mut+alloc+free+gc+exit
17 9 8 12.2 osh-nosouffle mut+alloc
18 9 9 12.3 osh-nosouffle mut+alloc+free
19 10 9 10.0 osh-nosouffle mut+alloc+free+gc
19 17 2 10.2 osh-nosouffle mut+alloc+free+gc+exit
18 10 8 13.2 _bin/cxx-opt+nopool/osh mut+alloc
20 12 8 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc