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 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 136 27 63 45.9 51.6 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 150 26 66 45.9 52.2 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 9 1 2 2.6 9.2 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.1 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 25 0 1 2.8 8.7 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 223 0 4 11.6 9.0 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 228 0 4 11.6 9.6 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,246 277 3 83,988 1 41,994 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 7 0 1.7 dash -
13 12 1 3.3 bash -
90 46 51 3.5 zsh -
15 12 3 30.0 bumpleak/osh mut
16 13 3 29.2 _bin/cxx-opt+bumproot/osh mut
19 16 3 30.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 13 12 25.6 osh-native mut+alloc
27 14 13 25.8 osh-native mut+alloc+free
31 25 6 18.2 osh-native mut+alloc+free+gc
32 26 6 18.4 osh-native mut+alloc+free+gc+exit
30 16 14 26.1 osh-nosouffle mut+alloc
30 19 11 26.2 osh-nosouffle mut+alloc+free
34 26 8 18.7 osh-nosouffle mut+alloc+free+gc
35 29 6 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 21 17 32.3 _bin/cxx-opt+nopool/osh mut+alloc
44 29 15 22.5 _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
24 24 0 1.6 dash -
43 41 2 3.4 bash -
324 181 165 3.5 zsh -
44 37 7 85.3 bumpleak/osh mut
49 38 11 85.8 _bin/cxx-opt+bumproot/osh mut
59 46 13 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 51 32 73.8 osh-native mut+alloc
93 57 36 75.5 osh-native mut+alloc+free
136 109 27 51.6 osh-native mut+alloc+free+gc
142 112 30 52.4 osh-native mut+alloc+free+gc+exit
91 62 28 74.1 osh-nosouffle mut+alloc
103 68 35 75.9 osh-nosouffle mut+alloc+free
150 121 29 52.2 osh-nosouffle mut+alloc+free+gc
152 128 24 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 84 44 98.9 _bin/cxx-opt+nopool/osh mut+alloc
211 176 35 73.0 _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
2 2 0 1.6 dash -
4 3 1 3.1 bash -
6 2 4 3.4 zsh -
6 3 3 12.8 bumpleak/osh mut
6 3 2 13.0 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 6 1 10.5 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 7 2 8.8 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
8 6 2 11.0 osh-nosouffle mut+alloc
9 6 2 11.0 osh-nosouffle mut+alloc+free
9 7 2 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 12.0 _bin/cxx-opt+nopool/osh mut+alloc
11 8 4 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
10 10 0 1.4 dash -
31 30 1 3.4 bash -
21 17 4 3.4 zsh -
18 11 7 33.6 bumpleak/osh mut
18 14 4 33.9 _bin/cxx-opt+bumproot/osh mut
21 16 5 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 16 13 27.0 osh-native mut+alloc
30 18 12 27.4 osh-native mut+alloc+free
20 17 3 8.1 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 26 7 27.3 osh-nosouffle mut+alloc
36 26 10 27.7 osh-nosouffle mut+alloc+free
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 25 21 36.1 _bin/cxx-opt+nopool/osh mut+alloc
30 28 2 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
106 100 6 3.5 bash -
216 167 49 56.9 bumpleak/osh mut
221 164 57 57.3 _bin/cxx-opt+bumproot/osh mut
241 176 64 57.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 184 72 48.6 osh-native mut+alloc
264 184 79 50.5 osh-native mut+alloc+free
223 173 49 9.0 osh-native mut+alloc+free+gc
222 175 47 9.0 osh-native mut+alloc+free+gc+exit
263 195 68 49.4 osh-nosouffle mut+alloc
269 191 78 51.2 osh-nosouffle mut+alloc+free
228 187 41 9.6 osh-nosouffle mut+alloc+free+gc
227 179 48 9.6 osh-nosouffle mut+alloc+free+gc+exit
283 199 84 65.7 _bin/cxx-opt+nopool/osh mut+alloc
254 207 47 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 3 7 3.9 dash -
16 9 8 4.8 bash -
15 4 11 3.9 zsh -
17 9 8 12.3 bumpleak/osh mut
19 10 9 13.1 _bin/cxx-opt+bumproot/osh mut
19 9 11 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.5 osh-native mut+alloc
20 12 9 11.8 osh-native mut+alloc+free
20 13 8 9.4 osh-native mut+alloc+free+gc
21 10 11 9.6 osh-native mut+alloc+free+gc+exit
20 9 11 12.1 osh-nosouffle mut+alloc
22 10 13 12.2 osh-nosouffle mut+alloc+free
21 14 8 10.1 osh-nosouffle mut+alloc+free+gc
22 14 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 13 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 13 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc