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 18.1 471,252 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 137 25 64 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 140 24 58 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 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 8.5 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 227 0 3 11.6 8.9 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 228 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 9.4 117,247 277 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 -
89 48 48 3.5 zsh -
15 11 4 30.3 bumpleak/osh mut
16 14 2 29.6 _bin/cxx-opt+bumproot/osh mut
19 13 6 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 12 13 25.4 osh-native mut+alloc
27 18 9 25.7 osh-native mut+alloc+free
31 21 10 18.1 osh-native mut+alloc+free+gc
32 26 6 18.4 osh-native mut+alloc+free+gc+exit
28 20 8 26.0 osh-nosouffle mut+alloc
31 22 8 26.2 osh-nosouffle mut+alloc+free
34 28 6 18.7 osh-nosouffle mut+alloc+free+gc
34 28 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 23 16 33.2 _bin/cxx-opt+nopool/osh mut+alloc
46 36 10 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
23 21 2 1.7 dash -
43 40 3 3.4 bash -
333 185 171 3.7 zsh -
45 34 11 84.4 bumpleak/osh mut
48 39 9 86.6 _bin/cxx-opt+bumproot/osh mut
59 45 14 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 50 32 73.5 osh-native mut+alloc
91 57 34 75.5 osh-native mut+alloc+free
137 115 22 51.7 osh-native mut+alloc+free+gc
147 124 23 52.2 osh-native mut+alloc+free+gc+exit
92 66 26 74.2 osh-nosouffle mut+alloc
102 63 39 76.0 osh-nosouffle mut+alloc+free
140 114 26 52.1 osh-nosouffle mut+alloc+free+gc
146 120 26 52.8 osh-nosouffle mut+alloc+free+gc+exit
126 66 60 98.2 _bin/cxx-opt+nopool/osh mut+alloc
199 161 38 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 1 1 1.7 dash -
4 2 1 3.1 bash -
6 1 5 3.4 zsh -
7 5 2 12.2 bumpleak/osh mut
6 3 3 11.5 _bin/cxx-opt+bumproot/osh mut
6 4 2 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.4 osh-native mut+alloc
8 7 1 10.6 osh-native mut+alloc+free
9 6 3 8.8 osh-native mut+alloc+free+gc
9 8 1 8.8 osh-native mut+alloc+free+gc+exit
8 5 3 11.0 osh-nosouffle mut+alloc
9 3 6 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.0 osh-nosouffle mut+alloc+free+gc
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 12.0 _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
10 10 0 1.4 dash -
31 30 1 3.1 bash -
21 16 5 3.4 zsh -
16 11 5 33.4 bumpleak/osh mut
19 14 5 33.5 _bin/cxx-opt+bumproot/osh mut
21 14 7 34.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 18 11 27.0 osh-native mut+alloc
30 19 10 27.3 osh-native mut+alloc+free
20 18 2 8.1 osh-native mut+alloc+free+gc
19 16 4 8.3 osh-native mut+alloc+free+gc+exit
34 21 12 27.3 osh-nosouffle mut+alloc
35 23 12 27.7 osh-nosouffle mut+alloc+free
25 23 2 8.5 osh-nosouffle mut+alloc+free+gc
25 20 5 8.8 osh-nosouffle mut+alloc+free+gc+exit
47 31 16 36.2 _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
104 99 5 3.5 bash -
214 168 46 56.2 bumpleak/osh mut
221 158 63 57.5 _bin/cxx-opt+bumproot/osh mut
242 186 56 58.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 185 72 48.8 osh-native mut+alloc
265 189 76 50.7 osh-native mut+alloc+free
227 181 46 8.9 osh-native mut+alloc+free+gc
222 168 54 9.0 osh-native mut+alloc+free+gc+exit
261 194 67 49.3 osh-nosouffle mut+alloc
269 190 79 51.2 osh-nosouffle mut+alloc+free
228 178 49 9.6 osh-nosouffle mut+alloc+free+gc
227 172 55 9.6 osh-nosouffle mut+alloc+free+gc+exit
282 189 93 66.2 _bin/cxx-opt+nopool/osh mut+alloc
253 209 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 5 3.9 dash -
16 7 9 5.0 bash -
15 8 8 4.1 zsh -
17 6 11 12.2 bumpleak/osh mut
18 9 9 14.3 _bin/cxx-opt+bumproot/osh mut
19 5 15 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.4 osh-native mut+alloc
20 9 12 11.7 osh-native mut+alloc+free
20 9 12 9.4 osh-native mut+alloc+free+gc
21 10 11 9.6 osh-native mut+alloc+free+gc+exit
20 10 11 12.1 osh-nosouffle mut+alloc
22 11 12 12.3 osh-nosouffle mut+alloc+free
21 14 7 10.0 osh-nosouffle mut+alloc+free+gc
22 10 12 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 12.9 _bin/cxx-opt+nopool/osh mut+alloc
24 10 14 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc