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 10 12.0 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 32 4 10 12.0 18.9 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 119 18 54 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 133 19 58 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 19 0 2 2.8 8.4 572,128 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 4 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 177 0 5 11.6 9.8 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 19 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 10.1 117,234 277 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
5 5 0 1.7 dash -
11 10 1 3.3 bash -
67 47 24 3.4 zsh -
17 12 4 29.7 bumpleak/osh mut
17 12 5 29.4 _bin/cxx-opt+bumproot/osh mut
21 14 7 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 13 9 25.7 osh-native mut+alloc
24 18 6 26.1 osh-native mut+alloc+free
30 23 7 18.4 osh-native mut+alloc+free+gc
32 28 4 18.4 osh-native mut+alloc+free+gc+exit
24 14 10 26.1 osh-nosouffle mut+alloc
27 16 11 26.3 osh-nosouffle mut+alloc+free
32 27 5 18.9 osh-nosouffle mut+alloc+free+gc
34 29 5 18.8 osh-nosouffle mut+alloc+free+gc+exit
33 20 13 33.3 _bin/cxx-opt+nopool/osh mut+alloc
42 32 10 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
19 17 2 1.7 dash -
41 39 2 3.5 bash -
258 161 106 3.8 zsh -
48 32 17 86.5 bumpleak/osh mut
52 39 14 86.3 _bin/cxx-opt+bumproot/osh mut
61 44 17 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
72 52 20 73.7 osh-native mut+alloc
80 58 22 75.8 osh-native mut+alloc+free
119 97 22 51.9 osh-native mut+alloc+free+gc
131 114 17 52.5 osh-native mut+alloc+free+gc+exit
78 54 24 74.2 osh-nosouffle mut+alloc
89 69 20 76.0 osh-nosouffle mut+alloc+free
133 114 19 52.3 osh-nosouffle mut+alloc+free+gc
138 116 22 52.9 osh-nosouffle mut+alloc+free+gc+exit
107 72 35 97.8 _bin/cxx-opt+nopool/osh mut+alloc
182 154 28 72.0 _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 1 1.8 dash -
3 2 2 3.1 bash -
5 5 0 3.4 zsh -
5 4 1 13.0 bumpleak/osh mut
6 3 3 12.9 _bin/cxx-opt+bumproot/osh mut
7 4 3 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 4 3 10.6 osh-native mut+alloc
7 4 3 10.7 osh-native mut+alloc+free
8 8 0 8.8 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
7 6 1 11.1 osh-nosouffle mut+alloc
8 8 0 11.1 osh-nosouffle mut+alloc+free
9 8 1 9.2 osh-nosouffle mut+alloc+free+gc
9 6 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
9 7 2 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 1.6 dash -
29 29 0 3.3 bash -
17 14 3 3.3 zsh -
19 9 10 33.5 bumpleak/osh mut
21 14 7 32.8 _bin/cxx-opt+bumproot/osh mut
23 18 5 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 20 5 26.9 osh-native mut+alloc
28 19 9 27.1 osh-native mut+alloc+free
19 18 1 8.4 osh-native mut+alloc+free+gc
20 17 3 8.5 osh-native mut+alloc+free+gc+exit
30 22 8 27.4 osh-nosouffle mut+alloc
33 27 6 27.5 osh-nosouffle mut+alloc+free
24 23 1 8.8 osh-nosouffle mut+alloc+free+gc
24 22 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
42 31 11 36.3 _bin/cxx-opt+nopool/osh mut+alloc
29 25 4 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
96 92 4 3.4 bash -
170 140 30 57.3 bumpleak/osh mut
179 153 25 56.3 _bin/cxx-opt+bumproot/osh mut
186 158 28 57.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
192 148 44 48.9 osh-native mut+alloc
200 163 37 50.9 osh-native mut+alloc+free
171 149 22 9.2 osh-native mut+alloc+free+gc
175 151 24 9.2 osh-native mut+alloc+free+gc+exit
198 159 39 49.4 osh-nosouffle mut+alloc
207 171 36 51.4 osh-nosouffle mut+alloc+free
177 154 23 9.8 osh-nosouffle mut+alloc+free+gc
175 147 28 9.7 osh-nosouffle mut+alloc+free+gc+exit
219 173 47 65.5 _bin/cxx-opt+nopool/osh mut+alloc
204 194 10 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 5 2 3.9 dash -
15 7 9 5.0 bash -
14 3 9 3.9 zsh -
16 9 7 12.7 bumpleak/osh mut
15 7 8 12.4 _bin/cxx-opt+bumproot/osh mut
15 8 8 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
17 10 7 11.8 osh-native mut+alloc
18 9 9 11.7 osh-native mut+alloc+free
19 11 9 9.6 osh-native mut+alloc+free+gc
21 13 9 9.7 osh-native mut+alloc+free+gc+exit
18 8 10 12.2 osh-nosouffle mut+alloc
19 11 9 12.5 osh-nosouffle mut+alloc+free
19 11 9 10.1 osh-nosouffle mut+alloc+free+gc
19 14 6 10.4 osh-nosouffle mut+alloc+free+gc+exit
19 11 8 13.2 _bin/cxx-opt+nopool/osh mut+alloc
21 11 10 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc