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 4 11 12.0 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 12 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 129 21 61 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 141 21 64 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 8.7 102,804 180 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 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 174 0 5 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 179 0 6 11.6 9.8 990,273 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 20 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 3.4 bash -
66 42 28 3.5 zsh -
16 12 4 30.2 bumpleak/osh mut
17 13 4 29.4 _bin/cxx-opt+bumproot/osh mut
20 15 5 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 17 5 25.6 osh-native mut+alloc
26 21 5 25.8 osh-native mut+alloc+free
31 26 5 18.4 osh-native mut+alloc+free+gc
33 29 4 18.2 osh-native mut+alloc+free+gc+exit
25 15 10 26.0 osh-nosouffle mut+alloc
28 18 10 26.5 osh-nosouffle mut+alloc+free
35 31 4 18.7 osh-nosouffle mut+alloc+free+gc
35 31 4 18.7 osh-nosouffle mut+alloc+free+gc+exit
33 25 8 32.2 _bin/cxx-opt+nopool/osh mut+alloc
44 36 8 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 1.7 dash -
38 36 2 3.5 bash -
235 153 99 3.8 zsh -
49 32 17 86.1 bumpleak/osh mut
53 37 16 84.8 _bin/cxx-opt+bumproot/osh mut
62 42 20 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
72 52 20 73.8 osh-native mut+alloc
84 61 23 75.5 osh-native mut+alloc+free
129 112 17 51.9 osh-native mut+alloc+free+gc
140 119 21 52.4 osh-native mut+alloc+free+gc+exit
82 59 22 74.1 osh-nosouffle mut+alloc
93 66 27 75.8 osh-nosouffle mut+alloc+free
141 125 15 52.3 osh-nosouffle mut+alloc+free+gc
148 128 20 53.0 osh-nosouffle mut+alloc+free+gc+exit
110 72 38 97.6 _bin/cxx-opt+nopool/osh mut+alloc
186 161 25 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 1.6 dash -
3 2 1 3.1 bash -
5 4 1 3.4 zsh -
6 4 2 12.4 bumpleak/osh mut
6 4 2 12.7 _bin/cxx-opt+bumproot/osh mut
6 5 2 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 6 1 10.7 osh-native mut+alloc
7 5 2 10.7 osh-native mut+alloc+free
8 5 4 8.7 osh-native mut+alloc+free+gc
9 5 3 8.9 osh-native mut+alloc+free+gc+exit
8 3 5 11.0 osh-nosouffle mut+alloc
8 6 2 11.3 osh-nosouffle mut+alloc+free
10 9 1 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.4 osh-nosouffle mut+alloc+free+gc+exit
9 8 1 12.0 _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 8 1 1.6 dash -
29 28 1 3.3 bash -
16 13 3 3.3 zsh -
19 12 7 32.3 bumpleak/osh mut
21 18 3 32.6 _bin/cxx-opt+bumproot/osh mut
24 18 6 33.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 17 9 27.0 osh-native mut+alloc
28 21 7 27.1 osh-native mut+alloc+free
20 19 1 8.4 osh-native mut+alloc+free+gc
20 20 0 8.3 osh-native mut+alloc+free+gc+exit
30 22 8 27.4 osh-nosouffle mut+alloc
33 25 9 27.7 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
41 27 14 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 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
95 90 5 3.4 bash -
174 155 19 56.1 bumpleak/osh mut
181 147 33 58.0 _bin/cxx-opt+bumproot/osh mut
187 154 34 58.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
195 162 33 48.9 osh-native mut+alloc
204 169 35 50.9 osh-native mut+alloc+free
174 149 25 9.2 osh-native mut+alloc+free+gc
173 149 24 9.2 osh-native mut+alloc+free+gc+exit
201 159 41 49.3 osh-nosouffle mut+alloc
213 171 42 51.4 osh-nosouffle mut+alloc+free
179 157 22 9.8 osh-nosouffle mut+alloc+free+gc
179 163 16 9.8 osh-nosouffle mut+alloc+free+gc+exit
223 183 40 65.9 _bin/cxx-opt+nopool/osh mut+alloc
202 175 27 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 5 3.9 dash -
13 6 8 5.0 bash -
12 5 7 4.1 zsh -
16 9 8 13.2 bumpleak/osh mut
16 8 8 14.4 _bin/cxx-opt+bumproot/osh mut
16 7 10 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
16 9 8 11.7 osh-native mut+alloc
18 13 6 11.9 osh-native mut+alloc+free
18 14 5 9.6 osh-native mut+alloc+free+gc
19 11 8 9.6 osh-native mut+alloc+free+gc+exit
17 8 9 12.2 osh-nosouffle mut+alloc
19 10 9 12.3 osh-nosouffle mut+alloc+free
20 14 7 10.1 osh-nosouffle mut+alloc+free+gc
20 13 7 10.2 osh-nosouffle mut+alloc+free+gc+exit
19 12 7 13.1 _bin/cxx-opt+nopool/osh mut+alloc
20 12 9 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc