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 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 4 10 12.0 18.9 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 132 22 59 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 142 24 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 8.7 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.0 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 21 0 1 2.8 8.3 572,128 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 221 0 3 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.7 990,273 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
6 4 3 1.7 dash -
13 11 2 3.4 bash -
98 60 46 3.5 zsh -
16 12 3 30.7 bumpleak/osh mut
16 13 3 29.5 _bin/cxx-opt+bumproot/osh mut
19 13 6 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
27 17 10 25.6 osh-native mut+alloc
27 13 14 25.8 osh-native mut+alloc+free
31 22 9 18.4 osh-native mut+alloc+free+gc
32 27 5 18.2 osh-native mut+alloc+free+gc+exit
28 19 9 26.0 osh-nosouffle mut+alloc
30 20 10 26.2 osh-nosouffle mut+alloc+free
34 27 7 18.9 osh-nosouffle mut+alloc+free+gc
35 26 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
38 25 13 33.1 _bin/cxx-opt+nopool/osh mut+alloc
46 33 13 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
23 22 1 1.6 dash -
42 42 0 3.4 bash -
327 175 175 3.7 zsh -
45 40 5 86.3 bumpleak/osh mut
49 42 7 85.0 _bin/cxx-opt+bumproot/osh mut
59 43 16 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 55 28 73.7 osh-native mut+alloc
90 58 32 75.5 osh-native mut+alloc+free
132 112 20 51.9 osh-native mut+alloc+free+gc
139 115 24 52.4 osh-native mut+alloc+free+gc+exit
91 56 35 74.1 osh-nosouffle mut+alloc
100 66 34 76.0 osh-nosouffle mut+alloc+free
142 117 26 52.4 osh-nosouffle mut+alloc+free+gc
150 130 20 52.9 osh-nosouffle mut+alloc+free+gc+exit
126 81 45 99.2 _bin/cxx-opt+nopool/osh mut+alloc
201 161 40 72.4 _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 2 2 3.1 bash -
6 1 5 3.5 zsh -
6 3 3 13.1 bumpleak/osh mut
6 4 2 12.7 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.6 osh-native mut+alloc
8 4 4 10.6 osh-native mut+alloc+free
9 8 1 8.7 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
9 8 1 11.0 osh-nosouffle mut+alloc
9 4 5 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.0 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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
10 8 2 1.4 dash -
30 30 0 3.3 bash -
21 19 3 3.4 zsh -
17 14 3 32.4 bumpleak/osh mut
19 16 3 33.6 _bin/cxx-opt+bumproot/osh mut
21 12 9 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 16 12 26.7 osh-native mut+alloc
30 20 10 27.0 osh-native mut+alloc+free
21 17 4 8.3 osh-native mut+alloc+free+gc
20 20 0 8.1 osh-native mut+alloc+free+gc+exit
33 22 11 27.1 osh-nosouffle mut+alloc
37 29 8 27.4 osh-nosouffle mut+alloc+free
24 20 4 8.7 osh-nosouffle mut+alloc+free+gc
24 23 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 35 10 36.1 _bin/cxx-opt+nopool/osh mut+alloc
29 26 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
105 100 5 3.4 bash -
212 157 54 55.8 bumpleak/osh mut
220 171 48 57.4 _bin/cxx-opt+bumproot/osh mut
242 180 62 58.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 181 74 48.8 osh-native mut+alloc
263 186 77 50.9 osh-native mut+alloc+free
221 175 45 9.0 osh-native mut+alloc+free+gc
222 166 56 8.9 osh-native mut+alloc+free+gc+exit
263 202 61 49.3 osh-nosouffle mut+alloc
269 182 87 51.3 osh-nosouffle mut+alloc+free
227 183 44 9.7 osh-nosouffle mut+alloc+free+gc
227 184 43 9.7 osh-nosouffle mut+alloc+free+gc+exit
281 209 71 66.1 _bin/cxx-opt+nopool/osh mut+alloc
250 203 47 10.7 _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 2 7 3.9 dash -
16 7 9 4.7 bash -
15 6 9 3.8 zsh -
18 6 13 12.8 bumpleak/osh mut
19 7 12 13.9 _bin/cxx-opt+bumproot/osh mut
18 10 9 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 10 11.7 osh-native mut+alloc
20 10 11 11.7 osh-native mut+alloc+free
20 12 9 9.4 osh-native mut+alloc+free+gc
21 11 11 9.6 osh-native mut+alloc+free+gc+exit
20 10 11 12.2 osh-nosouffle mut+alloc
22 12 10 12.3 osh-nosouffle mut+alloc+free
21 13 8 10.0 osh-nosouffle mut+alloc+free+gc
22 13 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 13 10 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 13 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc