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 4 10 12.0 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 3 9 12.0 18.5 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 133 23 60 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 150 25 66 45.9 52.1 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 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 8.7 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 220 0 3 11.6 8.9 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 226 0 3 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 9.6 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 21 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 7 0 1.7 dash -
13 12 1 3.3 bash -
90 53 44 3.4 zsh -
15 10 5 28.5 bumpleak/osh mut
17 14 2 29.3 _bin/cxx-opt+bumproot/osh mut
19 15 4 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 13 12 25.4 osh-native mut+alloc
27 16 11 25.8 osh-native mut+alloc+free
31 21 10 18.2 osh-native mut+alloc+free+gc
32 25 7 18.1 osh-native mut+alloc+free+gc+exit
28 18 10 26.0 osh-nosouffle mut+alloc
30 20 10 26.2 osh-nosouffle mut+alloc+free
34 27 7 18.5 osh-nosouffle mut+alloc+free+gc
34 28 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 21 18 32.5 _bin/cxx-opt+nopool/osh mut+alloc
46 38 8 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 21 2 1.6 dash -
42 41 1 3.4 bash -
329 189 165 3.7 zsh -
45 35 10 85.0 bumpleak/osh mut
48 39 9 85.4 _bin/cxx-opt+bumproot/osh mut
59 45 14 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 45 37 73.5 osh-native mut+alloc
92 66 26 75.4 osh-native mut+alloc+free
133 109 24 51.7 osh-native mut+alloc+free+gc
136 112 24 52.5 osh-native mut+alloc+free+gc+exit
92 63 29 74.1 osh-nosouffle mut+alloc
102 66 36 76.0 osh-nosouffle mut+alloc+free
150 122 28 52.1 osh-nosouffle mut+alloc+free+gc
153 130 23 52.6 osh-nosouffle mut+alloc+free+gc+exit
128 78 50 98.8 _bin/cxx-opt+nopool/osh mut+alloc
198 166 32 73.6 _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 1.7 dash -
4 2 1 3.3 bash -
6 3 3 3.4 zsh -
6 1 5 14.6 bumpleak/osh mut
7 7 0 12.4 _bin/cxx-opt+bumproot/osh mut
6 4 2 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.4 osh-native mut+alloc
9 6 3 10.7 osh-native mut+alloc+free
9 5 4 8.8 osh-native mut+alloc+free+gc
10 8 2 8.8 osh-native mut+alloc+free+gc+exit
9 7 2 11.0 osh-nosouffle mut+alloc
10 6 3 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
11 6 5 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 4 7 11.8 _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
10 9 1 1.6 dash -
30 28 2 3.3 bash -
21 18 3 3.5 zsh -
17 15 2 32.2 bumpleak/osh mut
18 14 4 32.3 _bin/cxx-opt+bumproot/osh mut
21 16 5 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 21 7 26.9 osh-native mut+alloc
30 20 10 27.3 osh-native mut+alloc+free
20 17 3 8.1 osh-native mut+alloc+free+gc
20 16 4 8.3 osh-native mut+alloc+free+gc+exit
34 20 13 27.3 osh-nosouffle mut+alloc
35 25 10 27.7 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 20 5 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 30 17 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 27 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
105 103 2 3.5 bash -
216 160 56 56.8 bumpleak/osh mut
229 176 53 57.7 _bin/cxx-opt+bumproot/osh mut
241 181 60 57.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
259 190 69 48.8 osh-native mut+alloc
267 200 67 50.7 osh-native mut+alloc+free
220 171 49 8.9 osh-native mut+alloc+free+gc
223 164 59 9.0 osh-native mut+alloc+free+gc+exit
260 179 81 49.1 osh-nosouffle mut+alloc
271 196 75 51.2 osh-nosouffle mut+alloc+free
226 181 45 9.6 osh-nosouffle mut+alloc+free+gc
230 179 51 9.6 osh-nosouffle mut+alloc+free+gc+exit
279 208 71 65.3 _bin/cxx-opt+nopool/osh mut+alloc
254 210 44 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 4 6 3.9 dash -
16 11 5 5.0 bash -
15 7 9 3.9 zsh -
18 6 13 12.9 bumpleak/osh mut
17 9 9 13.9 _bin/cxx-opt+bumproot/osh mut
18 8 11 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.3 osh-native mut+alloc
20 6 15 11.8 osh-native mut+alloc+free
20 13 7 9.6 osh-native mut+alloc+free+gc
20 12 9 9.6 osh-native mut+alloc+free+gc+exit
20 12 8 12.2 osh-nosouffle mut+alloc
22 12 10 12.2 osh-nosouffle mut+alloc+free
21 9 13 10.0 osh-nosouffle mut+alloc+free+gc
22 12 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 13 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc