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 33 4 11 12.0 18.4 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 36 4 11 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 139 26 66 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 150 27 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 8.7 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 10 1 2 2.6 9.2 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.1 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 25 0 2 2.8 8.8 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 9.2 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 226 0 4 11.6 9.6 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 22 1 2 3.0 10.0 117,246 277 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 6 1 1.7 dash -
13 12 1 3.4 bash -
91 52 46 3.5 zsh -
15 12 3 29.2 bumpleak/osh mut
17 13 4 30.4 _bin/cxx-opt+bumproot/osh mut
20 12 8 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 16 9 25.4 osh-native mut+alloc
28 16 12 25.8 osh-native mut+alloc+free
33 27 6 18.4 osh-native mut+alloc+free+gc
32 26 6 18.2 osh-native mut+alloc+free+gc+exit
28 21 7 25.8 osh-nosouffle mut+alloc
31 17 14 26.2 osh-nosouffle mut+alloc+free
36 26 10 18.7 osh-nosouffle mut+alloc+free+gc
37 34 3 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 24 16 33.8 _bin/cxx-opt+nopool/osh mut+alloc
47 34 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 23 0 1.6 dash -
42 39 3 3.4 bash -
329 169 185 3.7 zsh -
46 34 11 84.6 bumpleak/osh mut
50 38 12 84.8 _bin/cxx-opt+bumproot/osh mut
60 47 13 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 49 35 73.5 osh-native mut+alloc
92 62 31 75.5 osh-native mut+alloc+free
139 116 23 51.7 osh-native mut+alloc+free+gc
150 121 29 52.5 osh-native mut+alloc+free+gc+exit
91 59 32 74.3 osh-nosouffle mut+alloc
103 67 36 75.9 osh-nosouffle mut+alloc+free
150 130 20 52.2 osh-nosouffle mut+alloc+free+gc
157 132 25 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 81 46 98.3 _bin/cxx-opt+nopool/osh mut+alloc
214 180 34 73.7 _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 -
6 5 1 3.5 zsh -
6 2 4 12.6 bumpleak/osh mut
7 3 4 12.3 _bin/cxx-opt+bumproot/osh mut
7 6 1 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.4 osh-native mut+alloc
8 5 3 10.7 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
9 8 1 8.9 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
9 5 4 11.0 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 8 5 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
10 10 0 1.6 dash -
31 30 1 3.3 bash -
21 19 2 3.4 zsh -
18 15 3 33.3 bumpleak/osh mut
20 13 7 33.3 _bin/cxx-opt+bumproot/osh mut
22 15 7 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 20 9 27.0 osh-native mut+alloc
31 18 13 27.3 osh-native mut+alloc+free
20 17 3 8.1 osh-native mut+alloc+free+gc
20 16 4 8.1 osh-native mut+alloc+free+gc+exit
34 24 9 27.5 osh-nosouffle mut+alloc
36 28 8 27.5 osh-nosouffle mut+alloc+free
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 27 19 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 27 4 9.9 _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
104 101 3 3.4 bash -
215 158 57 56.0 bumpleak/osh mut
222 168 54 57.9 _bin/cxx-opt+bumproot/osh mut
239 174 65 57.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 178 80 48.9 osh-native mut+alloc
266 189 76 50.7 osh-native mut+alloc+free
222 177 45 9.2 osh-native mut+alloc+free+gc
225 174 51 9.0 osh-native mut+alloc+free+gc+exit
265 200 65 49.4 osh-nosouffle mut+alloc
273 200 73 51.2 osh-nosouffle mut+alloc+free
226 177 49 9.6 osh-nosouffle mut+alloc+free+gc
228 181 47 9.6 osh-nosouffle mut+alloc+free+gc+exit
279 202 77 66.1 _bin/cxx-opt+nopool/osh mut+alloc
256 200 56 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 7 3 4.1 dash -
16 6 11 4.7 bash -
16 6 10 3.9 zsh -
18 8 10 14.2 bumpleak/osh mut
18 10 9 14.3 _bin/cxx-opt+bumproot/osh mut
19 6 13 14.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 8 13 11.5 osh-native mut+alloc
21 7 15 11.8 osh-native mut+alloc+free
21 12 9 9.6 osh-native mut+alloc+free+gc
22 10 12 9.6 osh-native mut+alloc+free+gc+exit
21 7 15 11.9 osh-nosouffle mut+alloc
23 12 12 12.3 osh-nosouffle mut+alloc+free
22 10 13 10.0 osh-nosouffle mut+alloc+free+gc
23 10 14 10.1 osh-nosouffle mut+alloc+free+gc+exit
24 12 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
25 16 9 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc