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 18.0 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 3 9 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 137 26 64 45.9 51.8 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 138 23 57 45.9 52.3 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 9 1 2 2.6 9.0 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 24 0 1 2.8 8.7 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 221 0 3 11.6 9.2 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 226 0 3 11.6 9.4 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,208 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,207 277 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 1.8 dash -
13 12 1 3.4 bash -
88 54 41 3.5 zsh -
15 14 1 28.8 bumpleak/osh mut
16 11 5 29.1 _bin/cxx-opt+bumproot/osh mut
19 14 5 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 14 12 25.6 osh-native mut+alloc
27 13 14 26.0 osh-native mut+alloc+free
31 18 13 18.0 osh-native mut+alloc+free+gc
32 28 4 18.2 osh-native mut+alloc+free+gc+exit
28 16 12 25.8 osh-nosouffle mut+alloc
30 17 13 26.3 osh-nosouffle mut+alloc+free
34 31 3 18.6 osh-nosouffle mut+alloc+free+gc
34 27 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 28 11 32.1 _bin/cxx-opt+nopool/osh mut+alloc
44 34 10 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 41 1 3.4 bash -
321 175 167 3.7 zsh -
45 31 14 85.0 bumpleak/osh mut
47 38 9 85.1 _bin/cxx-opt+bumproot/osh mut
59 47 12 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 51 31 73.5 osh-native mut+alloc
89 55 34 75.5 osh-native mut+alloc+free
137 113 24 51.8 osh-native mut+alloc+free+gc
137 117 20 52.4 osh-native mut+alloc+free+gc+exit
91 60 31 74.1 osh-nosouffle mut+alloc
99 64 36 76.0 osh-nosouffle mut+alloc+free
138 112 26 52.3 osh-nosouffle mut+alloc+free+gc
149 132 17 52.8 osh-nosouffle mut+alloc+free+gc+exit
125 89 36 99.2 _bin/cxx-opt+nopool/osh mut+alloc
192 155 37 72.9 _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 1.6 dash -
4 3 1 3.3 bash -
6 4 3 3.3 zsh -
6 4 2 12.2 bumpleak/osh mut
7 3 3 12.5 _bin/cxx-opt+bumproot/osh mut
7 5 3 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 3 10.4 osh-native mut+alloc
8 5 3 10.7 osh-native mut+alloc+free
9 8 1 8.7 osh-native mut+alloc+free+gc
9 8 1 8.8 osh-native mut+alloc+free+gc+exit
8 6 3 10.9 osh-nosouffle mut+alloc
9 5 4 11.3 osh-nosouffle mut+alloc+free
9 5 4 9.0 osh-nosouffle mut+alloc+free+gc
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 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 8 1 1.4 dash -
31 30 1 3.1 bash -
21 14 7 3.4 zsh -
17 13 4 32.0 bumpleak/osh mut
18 13 5 32.3 _bin/cxx-opt+bumproot/osh mut
21 10 11 34.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 20 8 26.7 osh-native mut+alloc
31 19 12 27.0 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 16 4 8.3 osh-native mut+alloc+free+gc+exit
33 21 11 27.3 osh-nosouffle mut+alloc
35 21 13 27.7 osh-nosouffle mut+alloc+free
24 21 3 8.7 osh-nosouffle mut+alloc+free+gc
24 23 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 24 21 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 28 2 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
104 101 3 3.5 bash -
215 170 45 57.0 bumpleak/osh mut
222 170 51 58.0 _bin/cxx-opt+bumproot/osh mut
240 193 47 58.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 193 62 48.9 osh-native mut+alloc
263 186 77 50.9 osh-native mut+alloc+free
221 179 42 9.2 osh-native mut+alloc+free+gc
223 175 48 9.2 osh-native mut+alloc+free+gc+exit
260 188 72 49.4 osh-nosouffle mut+alloc
267 194 73 51.3 osh-nosouffle mut+alloc+free
226 179 47 9.4 osh-nosouffle mut+alloc+free+gc
226 172 54 9.4 osh-nosouffle mut+alloc+free+gc+exit
278 206 71 64.7 _bin/cxx-opt+nopool/osh mut+alloc
249 210 39 10.8 _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 5 4 3.9 dash -
16 6 10 4.8 bash -
15 6 10 3.9 zsh -
18 6 12 12.3 bumpleak/osh mut
18 7 11 12.8 _bin/cxx-opt+bumproot/osh mut
21 10 11 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 10 11.4 osh-native mut+alloc
21 7 15 11.7 osh-native mut+alloc+free
21 11 10 9.4 osh-native mut+alloc+free+gc
21 10 11 9.6 osh-native mut+alloc+free+gc+exit
20 8 13 12.2 osh-nosouffle mut+alloc
21 11 10 12.2 osh-nosouffle mut+alloc+free
21 14 8 10.1 osh-nosouffle mut+alloc+free+gc
21 16 6 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 11 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 16 9 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc