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 32 4 10 12.0 18.1 471,252 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 151 30 75 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 162 28 74 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 9.0 102,780 180 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 1 2.8 8.7 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 222 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 9.7 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 3 3.0 9.4 117,247 277 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 5 1 1.6 dash -
13 12 1 3.3 bash -
90 60 37 3.4 zsh -
15 12 3 29.3 bumpleak/osh mut
16 11 5 29.7 _bin/cxx-opt+bumproot/osh mut
19 17 2 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 19 7 25.4 osh-native mut+alloc
28 14 14 25.8 osh-native mut+alloc+free
32 24 8 18.1 osh-native mut+alloc+free+gc
33 28 5 18.4 osh-native mut+alloc+free+gc+exit
28 17 12 25.8 osh-nosouffle mut+alloc
31 20 11 26.3 osh-nosouffle mut+alloc+free
34 26 8 18.7 osh-nosouffle mut+alloc+free+gc
35 25 10 18.9 osh-nosouffle mut+alloc+free+gc+exit
39 21 19 32.2 _bin/cxx-opt+nopool/osh mut+alloc
44 34 10 22.8 _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 1.7 dash -
42 39 3 3.4 bash -
330 180 173 3.7 zsh -
45 35 9 85.9 bumpleak/osh mut
48 38 10 85.1 _bin/cxx-opt+bumproot/osh mut
60 44 16 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 51 34 73.7 osh-native mut+alloc
96 58 38 75.2 osh-native mut+alloc+free
151 122 29 51.7 osh-native mut+alloc+free+gc
168 141 27 52.5 osh-native mut+alloc+free+gc+exit
93 61 32 74.3 osh-nosouffle mut+alloc
102 65 37 75.9 osh-nosouffle mut+alloc+free
162 133 29 52.1 osh-nosouffle mut+alloc+free+gc
168 142 26 52.8 osh-nosouffle mut+alloc+free+gc+exit
129 87 42 99.5 _bin/cxx-opt+nopool/osh mut+alloc
222 190 32 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 2 0 1.6 dash -
4 3 1 3.0 bash -
7 2 4 3.4 zsh -
6 4 2 12.8 bumpleak/osh mut
7 5 2 12.1 _bin/cxx-opt+bumproot/osh mut
7 4 3 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.6 osh-native mut+alloc
8 6 2 10.6 osh-native mut+alloc+free
9 6 3 8.8 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
9 5 4 10.9 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
10 6 4 9.0 osh-nosouffle mut+alloc+free+gc
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 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
9 9 0 1.4 dash -
31 30 1 3.4 bash -
21 14 7 3.5 zsh -
17 14 3 33.0 bumpleak/osh mut
19 13 6 33.0 _bin/cxx-opt+bumproot/osh mut
21 18 3 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 19 10 27.0 osh-native mut+alloc
31 23 8 27.3 osh-native mut+alloc+free
20 18 2 8.1 osh-native mut+alloc+free+gc
20 17 3 8.1 osh-native mut+alloc+free+gc+exit
34 24 10 27.5 osh-nosouffle mut+alloc
36 26 10 27.9 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
47 22 25 36.2 _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
103 98 5 3.5 bash -
213 148 65 57.3 bumpleak/osh mut
223 180 43 56.1 _bin/cxx-opt+bumproot/osh mut
239 177 62 57.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
261 191 70 48.8 osh-native mut+alloc
304 231 73 50.9 osh-native mut+alloc+free
222 172 50 9.0 osh-native mut+alloc+free+gc
224 172 52 9.2 osh-native mut+alloc+free+gc+exit
264 172 92 49.3 osh-nosouffle mut+alloc
271 216 54 51.2 osh-nosouffle mut+alloc+free
228 184 44 9.7 osh-nosouffle mut+alloc+free+gc
227 184 43 9.6 osh-nosouffle mut+alloc+free+gc+exit
281 213 68 65.0 _bin/cxx-opt+nopool/osh mut+alloc
252 208 44 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 7 3 4.1 dash -
16 7 9 4.6 bash -
16 5 11 3.9 zsh -
18 10 9 12.6 bumpleak/osh mut
19 10 10 13.4 _bin/cxx-opt+bumproot/osh mut
19 11 9 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.5 osh-native mut+alloc
22 9 13 11.7 osh-native mut+alloc+free
21 10 12 9.4 osh-native mut+alloc+free+gc
22 10 12 9.6 osh-native mut+alloc+free+gc+exit
21 7 15 12.1 osh-nosouffle mut+alloc
23 9 14 12.2 osh-nosouffle mut+alloc+free
22 12 10 10.0 osh-nosouffle mut+alloc+free+gc
23 13 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 9 14 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 13 12 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc