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 3 9 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 3 9 12.0 18.9 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 132 24 58 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 143 26 60 45.9 52.1 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 20 0 1 2.8 8.1 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 24 0 1 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 219 0 3 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 227 0 3 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,259 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,258 277 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
7 5 1 1.7 dash -
13 12 1 3.3 bash -
90 50 47 3.7 zsh -
16 9 7 29.4 bumpleak/osh mut
16 13 3 29.1 _bin/cxx-opt+bumproot/osh mut
19 13 6 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 14 11 25.4 osh-native mut+alloc
27 20 7 25.7 osh-native mut+alloc+free
31 25 6 18.2 osh-native mut+alloc+free+gc
32 26 6 18.2 osh-native mut+alloc+free+gc+exit
28 23 5 26.0 osh-nosouffle mut+alloc
30 18 12 26.3 osh-nosouffle mut+alloc+free
34 26 8 18.9 osh-nosouffle mut+alloc+free+gc
35 27 8 18.6 osh-nosouffle mut+alloc+free+gc+exit
38 21 18 33.0 _bin/cxx-opt+nopool/osh mut+alloc
44 33 11 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
23 23 0 1.6 dash -
42 39 3 3.4 bash -
325 198 149 3.7 zsh -
45 34 11 85.2 bumpleak/osh mut
48 42 6 86.5 _bin/cxx-opt+bumproot/osh mut
58 46 12 87.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 56 26 73.8 osh-native mut+alloc
91 66 25 75.5 osh-native mut+alloc+free
132 106 25 51.7 osh-native mut+alloc+free+gc
145 125 20 52.5 osh-native mut+alloc+free+gc+exit
91 65 26 74.2 osh-nosouffle mut+alloc
99 59 40 75.9 osh-nosouffle mut+alloc+free
143 121 22 52.1 osh-nosouffle mut+alloc+free+gc
147 125 22 52.9 osh-nosouffle mut+alloc+free+gc+exit
127 87 39 98.1 _bin/cxx-opt+nopool/osh mut+alloc
188 153 34 72.5 _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
2 1 1 1.7 dash -
4 3 1 3.1 bash -
7 3 4 3.4 zsh -
6 3 3 11.2 bumpleak/osh mut
6 4 2 13.2 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.7 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 6 3 8.8 osh-native mut+alloc+free+gc
9 6 3 8.9 osh-native mut+alloc+free+gc+exit
8 5 3 11.0 osh-nosouffle mut+alloc
9 6 3 11.1 osh-nosouffle mut+alloc+free
10 10 0 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 4 7 11.9 _bin/cxx-opt+nopool/osh mut+alloc
11 6 5 9.4 _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 1 1.6 dash -
31 30 1 3.3 bash -
21 18 3 3.5 zsh -
17 9 8 32.7 bumpleak/osh mut
19 15 4 33.2 _bin/cxx-opt+bumproot/osh mut
20 13 7 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 19 10 26.9 osh-native mut+alloc
30 22 8 27.1 osh-native mut+alloc+free
20 18 2 8.1 osh-native mut+alloc+free+gc
19 18 1 8.3 osh-native mut+alloc+free+gc+exit
33 18 15 27.4 osh-nosouffle mut+alloc
35 21 15 27.6 osh-nosouffle mut+alloc+free
24 24 0 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 29 17 36.1 _bin/cxx-opt+nopool/osh mut+alloc
30 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
103 97 6 3.5 bash -
210 155 55 57.5 bumpleak/osh mut
219 176 43 57.4 _bin/cxx-opt+bumproot/osh mut
238 177 61 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 183 74 48.8 osh-native mut+alloc
265 192 73 50.9 osh-native mut+alloc+free
219 177 42 9.0 osh-native mut+alloc+free+gc
221 183 38 9.2 osh-native mut+alloc+free+gc+exit
262 179 84 49.3 osh-nosouffle mut+alloc
272 198 74 51.3 osh-nosouffle mut+alloc+free
227 176 51 9.6 osh-nosouffle mut+alloc+free+gc
226 190 36 9.7 osh-nosouffle mut+alloc+free+gc+exit
276 204 72 64.9 _bin/cxx-opt+nopool/osh mut+alloc
251 199 52 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
9 6 3 3.9 dash -
16 6 10 4.7 bash -
15 7 9 3.9 zsh -
18 5 14 13.3 bumpleak/osh mut
19 6 14 13.6 _bin/cxx-opt+bumproot/osh mut
20 12 9 14.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 10 11.7 osh-native mut+alloc
20 8 13 11.8 osh-native mut+alloc+free
20 11 10 9.4 osh-native mut+alloc+free+gc
21 12 10 9.6 osh-native mut+alloc+free+gc+exit
20 9 12 12.2 osh-nosouffle mut+alloc
22 10 12 12.3 osh-nosouffle mut+alloc+free
21 12 9 10.0 osh-nosouffle mut+alloc+free+gc
22 11 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
22 13 10 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 14 9 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc