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 34 4 11 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 131 21 63 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 135 20 59 45.9 52.4 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 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 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 5 11.6 9.3 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 186 0 5 11.6 9.8 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 17 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 11 0 3.4 bash -
65 44 26 3.5 zsh -
16 12 4 30.4 bumpleak/osh mut
17 12 5 29.7 _bin/cxx-opt+bumproot/osh mut
20 13 7 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 14 8 25.6 osh-native mut+alloc
25 13 11 26.1 osh-native mut+alloc+free
30 23 7 18.2 osh-native mut+alloc+free+gc
32 28 4 18.4 osh-native mut+alloc+free+gc+exit
25 18 7 26.1 osh-nosouffle mut+alloc
28 20 8 26.3 osh-nosouffle mut+alloc+free
34 31 3 18.7 osh-nosouffle mut+alloc+free+gc
35 31 4 18.7 osh-nosouffle mut+alloc+free+gc+exit
34 20 14 33.6 _bin/cxx-opt+nopool/osh mut+alloc
44 40 4 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
18 17 1 1.6 dash -
38 37 1 3.4 bash -
238 145 108 3.7 zsh -
50 33 17 86.2 bumpleak/osh mut
54 37 16 85.6 _bin/cxx-opt+bumproot/osh mut
62 47 15 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
71 50 22 73.8 osh-native mut+alloc
82 59 23 75.5 osh-native mut+alloc+free
131 115 16 51.9 osh-native mut+alloc+free+gc
140 119 20 52.7 osh-native mut+alloc+free+gc+exit
80 57 23 74.2 osh-nosouffle mut+alloc
91 67 24 76.0 osh-nosouffle mut+alloc+free
135 116 19 52.4 osh-nosouffle mut+alloc+free+gc
143 124 19 52.9 osh-nosouffle mut+alloc+free+gc+exit
111 72 38 98.8 _bin/cxx-opt+nopool/osh mut+alloc
184 161 23 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 0 1.7 dash -
3 2 1 3.3 bash -
5 4 1 3.4 zsh -
6 4 2 11.4 bumpleak/osh mut
6 3 2 11.3 _bin/cxx-opt+bumproot/osh mut
6 4 3 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 6 1 10.5 osh-native mut+alloc
7 5 3 10.7 osh-native mut+alloc+free
9 5 4 8.8 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
8 6 1 10.9 osh-nosouffle mut+alloc
8 7 1 11.1 osh-nosouffle mut+alloc+free
10 9 1 9.2 osh-nosouffle mut+alloc+free+gc
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
9 6 3 11.9 _bin/cxx-opt+nopool/osh mut+alloc
11 10 1 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 1.6 dash -
29 28 1 3.3 bash -
16 15 1 3.4 zsh -
18 13 5 32.3 bumpleak/osh mut
20 13 7 32.4 _bin/cxx-opt+bumproot/osh mut
23 16 8 34.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 18 7 27.0 osh-native mut+alloc
28 16 12 27.1 osh-native mut+alloc+free
19 18 1 8.4 osh-native mut+alloc+free+gc
20 18 2 8.4 osh-native mut+alloc+free+gc+exit
29 19 11 27.3 osh-nosouffle mut+alloc
33 22 11 27.5 osh-nosouffle mut+alloc+free
24 23 1 8.8 osh-nosouffle mut+alloc+free+gc
24 24 0 8.8 osh-nosouffle mut+alloc+free+gc+exit
41 29 12 36.1 _bin/cxx-opt+nopool/osh mut+alloc
29 28 1 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 94 2 3.4 bash -
171 147 24 56.1 bumpleak/osh mut
181 156 25 57.5 _bin/cxx-opt+bumproot/osh mut
191 155 36 58.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
194 158 36 48.9 osh-native mut+alloc
203 170 33 50.9 osh-native mut+alloc+free
171 151 20 9.3 osh-native mut+alloc+free+gc
172 155 17 9.2 osh-native mut+alloc+free+gc+exit
199 165 34 49.2 osh-nosouffle mut+alloc
208 166 42 51.1 osh-nosouffle mut+alloc+free
186 162 24 9.8 osh-nosouffle mut+alloc+free+gc
179 163 16 9.7 osh-nosouffle mut+alloc+free+gc+exit
223 173 50 64.9 _bin/cxx-opt+nopool/osh mut+alloc
203 187 16 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 3 4.1 dash -
13 8 5 5.0 bash -
12 8 4 4.1 zsh -
14 9 5 12.7 bumpleak/osh mut
15 9 6 12.7 _bin/cxx-opt+bumproot/osh mut
16 9 7 14.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
16 9 7 11.5 osh-native mut+alloc
18 10 8 11.8 osh-native mut+alloc+free
17 10 8 9.6 osh-native mut+alloc+free+gc
18 9 10 9.7 osh-native mut+alloc+free+gc+exit
17 12 6 12.1 osh-nosouffle mut+alloc
18 11 7 12.2 osh-nosouffle mut+alloc+free
19 13 6 10.1 osh-nosouffle mut+alloc+free+gc
19 16 4 10.2 osh-nosouffle mut+alloc+free+gc+exit
19 11 9 13.2 _bin/cxx-opt+nopool/osh mut+alloc
20 12 9 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc