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 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 33 4 10 12.0 18.7 471,276 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 128 18 53 45.9 52.4 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 8.4 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 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 9.3 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 177 0 4 11.6 9.7 990,273 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 18 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 -
64 43 25 3.5 zsh -
16 9 7 28.7 bumpleak/osh mut
17 11 6 30.7 _bin/cxx-opt+bumproot/osh mut
19 14 5 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 13 9 25.6 osh-native mut+alloc
24 18 6 26.0 osh-native mut+alloc+free
30 25 5 18.4 osh-native mut+alloc+free+gc
31 22 9 18.2 osh-native mut+alloc+free+gc+exit
24 13 11 26.1 osh-nosouffle mut+alloc
27 20 7 26.2 osh-nosouffle mut+alloc+free
33 27 6 18.7 osh-nosouffle mut+alloc+free+gc
34 25 9 18.8 osh-nosouffle mut+alloc+free+gc+exit
33 22 11 32.5 _bin/cxx-opt+nopool/osh mut+alloc
42 33 9 22.8 _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 1.7 dash -
38 38 0 3.7 bash -
231 140 107 3.7 zsh -
48 33 14 84.6 bumpleak/osh mut
52 38 14 86.5 _bin/cxx-opt+bumproot/osh mut
59 42 17 85.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
71 43 28 73.7 osh-native mut+alloc
80 54 26 75.6 osh-native mut+alloc+free
119 104 15 51.9 osh-native mut+alloc+free+gc
124 106 18 52.5 osh-native mut+alloc+free+gc+exit
82 50 31 74.2 osh-nosouffle mut+alloc
92 62 30 76.2 osh-nosouffle mut+alloc+free
128 109 19 52.4 osh-nosouffle mut+alloc+free+gc
131 113 18 52.9 osh-nosouffle mut+alloc+free+gc+exit
107 73 34 99.8 _bin/cxx-opt+nopool/osh mut+alloc
166 130 36 71.8 _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 1.6 dash -
3 1 2 3.1 bash -
5 4 1 3.5 zsh -
6 4 2 14.6 bumpleak/osh mut
6 4 2 13.0 _bin/cxx-opt+bumproot/osh mut
6 2 4 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
6 5 1 10.6 osh-native mut+alloc
7 6 1 10.5 osh-native mut+alloc+free
8 8 0 8.8 osh-native mut+alloc+free+gc
8 6 2 9.0 osh-native mut+alloc+free+gc+exit
7 7 0 11.1 osh-nosouffle mut+alloc
8 5 3 11.3 osh-nosouffle mut+alloc+free
9 8 1 9.2 osh-nosouffle mut+alloc+free+gc
9 5 5 9.2 osh-nosouffle mut+alloc+free+gc+exit
9 6 3 11.8 _bin/cxx-opt+nopool/osh mut+alloc
10 10 0 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 9 0 1.6 dash -
28 27 1 3.3 bash -
17 13 3 3.5 zsh -
18 13 5 33.5 bumpleak/osh mut
20 15 5 32.5 _bin/cxx-opt+bumproot/osh mut
22 16 7 34.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 18 7 26.9 osh-native mut+alloc
28 21 7 27.2 osh-native mut+alloc+free
20 17 3 8.4 osh-native mut+alloc+free+gc
20 19 1 8.4 osh-native mut+alloc+free+gc+exit
30 19 11 27.3 osh-nosouffle mut+alloc
32 24 8 27.7 osh-nosouffle mut+alloc+free
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc
26 25 0 8.8 osh-nosouffle mut+alloc+free+gc+exit
40 28 12 36.3 _bin/cxx-opt+nopool/osh mut+alloc
27 24 3 10.0 _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 -
170 136 34 57.1 bumpleak/osh mut
179 150 29 58.0 _bin/cxx-opt+bumproot/osh mut
187 153 34 57.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
195 146 49 48.9 osh-native mut+alloc
203 165 38 50.9 osh-native mut+alloc+free
171 154 17 9.3 osh-native mut+alloc+free+gc
173 161 12 9.0 osh-native mut+alloc+free+gc+exit
202 165 36 49.4 osh-nosouffle mut+alloc
208 172 36 51.4 osh-nosouffle mut+alloc+free
177 150 26 9.7 osh-nosouffle mut+alloc+free+gc
178 157 21 10.0 osh-nosouffle mut+alloc+free+gc+exit
219 182 37 65.5 _bin/cxx-opt+nopool/osh mut+alloc
199 182 17 10.4 _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 4.1 dash -
13 8 5 4.8 bash -
11 6 6 4.1 zsh -
14 8 6 14.0 bumpleak/osh mut
15 8 7 14.5 _bin/cxx-opt+bumproot/osh mut
15 11 4 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
15 9 7 11.5 osh-native mut+alloc
17 10 8 11.7 osh-native mut+alloc+free
17 11 7 9.6 osh-native mut+alloc+free+gc
18 13 5 9.6 osh-native mut+alloc+free+gc+exit
17 10 7 12.2 osh-nosouffle mut+alloc
19 15 4 12.5 osh-nosouffle mut+alloc+free
18 9 9 10.1 osh-nosouffle mut+alloc+free+gc
19 11 8 10.2 osh-nosouffle mut+alloc+free+gc+exit
18 9 10 13.3 _bin/cxx-opt+nopool/osh mut+alloc
20 14 6 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc