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 33 3 9 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 131 23 58 45.9 51.9 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 144 24 62 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 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 8.1 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 25 0 1 2.8 8.7 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 224 0 3 11.6 9.0 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 227 0 3 11.6 9.4 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 20 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 10.0 117,207 277 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
6 6 0 1.8 dash -
13 11 1 3.3 bash -
89 60 36 3.4 zsh -
15 11 4 28.8 bumpleak/osh mut
17 11 6 29.1 _bin/cxx-opt+bumproot/osh mut
19 13 6 30.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 16 10 25.6 osh-native mut+alloc
27 19 8 25.8 osh-native mut+alloc+free
31 22 9 18.0 osh-native mut+alloc+free+gc
32 20 12 18.2 osh-native mut+alloc+free+gc+exit
28 15 13 26.0 osh-nosouffle mut+alloc
30 19 11 26.2 osh-nosouffle mut+alloc+free
33 23 10 18.6 osh-nosouffle mut+alloc+free+gc
35 26 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
38 21 17 32.1 _bin/cxx-opt+nopool/osh mut+alloc
44 32 12 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 22 1 1.7 dash -
43 41 2 3.5 bash -
331 185 168 3.7 zsh -
45 38 7 85.1 bumpleak/osh mut
48 38 10 86.5 _bin/cxx-opt+bumproot/osh mut
58 42 16 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 51 30 73.7 osh-native mut+alloc
91 61 30 75.6 osh-native mut+alloc+free
131 112 19 51.9 osh-native mut+alloc+free+gc
140 118 23 52.3 osh-native mut+alloc+free+gc+exit
91 61 30 74.2 osh-nosouffle mut+alloc
99 62 37 75.9 osh-nosouffle mut+alloc+free
144 124 20 52.3 osh-nosouffle mut+alloc+free+gc
145 122 23 52.8 osh-nosouffle mut+alloc+free+gc+exit
124 78 47 97.5 _bin/cxx-opt+nopool/osh mut+alloc
191 155 36 72.6 _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 1 1 1.6 dash -
4 3 1 3.0 bash -
6 4 2 3.4 zsh -
6 3 3 11.7 bumpleak/osh mut
6 5 1 11.9 _bin/cxx-opt+bumproot/osh mut
7 4 3 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 5 4 8.7 osh-native mut+alloc+free+gc
9 8 1 8.8 osh-native mut+alloc+free+gc+exit
8 2 7 11.1 osh-nosouffle mut+alloc
9 5 4 11.3 osh-nosouffle mut+alloc+free
10 6 3 9.0 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 10 1 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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 30 0 3.1 bash -
21 15 6 3.5 zsh -
16 11 5 33.5 bumpleak/osh mut
18 12 6 33.7 _bin/cxx-opt+bumproot/osh mut
21 20 1 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 12 26.9 osh-native mut+alloc
31 21 9 27.1 osh-native mut+alloc+free
20 17 3 8.1 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 26 7 27.3 osh-nosouffle mut+alloc
35 29 6 27.5 osh-nosouffle mut+alloc+free
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc
24 22 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 25 20 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
103 99 4 3.5 bash -
213 153 60 56.0 bumpleak/osh mut
228 175 53 57.7 _bin/cxx-opt+bumproot/osh mut
237 176 61 57.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 189 66 48.9 osh-native mut+alloc
263 209 54 50.7 osh-native mut+alloc+free
224 176 47 9.0 osh-native mut+alloc+free+gc
223 176 47 9.0 osh-native mut+alloc+free+gc+exit
263 195 68 49.3 osh-nosouffle mut+alloc
271 205 66 51.3 osh-nosouffle mut+alloc+free
227 182 45 9.4 osh-nosouffle mut+alloc+free+gc
229 180 48 9.6 osh-nosouffle mut+alloc+free+gc+exit
280 197 82 64.3 _bin/cxx-opt+nopool/osh mut+alloc
251 202 49 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 5 4 4.1 dash -
15 8 8 4.7 bash -
15 6 9 3.9 zsh -
18 7 11 12.8 bumpleak/osh mut
17 8 10 14.0 _bin/cxx-opt+bumproot/osh mut
18 8 11 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 11 9 11.7 osh-native mut+alloc
20 13 8 11.7 osh-native mut+alloc+free
20 9 12 9.4 osh-native mut+alloc+free+gc
21 12 10 9.4 osh-native mut+alloc+free+gc+exit
20 14 7 12.2 osh-nosouffle mut+alloc
21 9 13 12.1 osh-nosouffle mut+alloc+free
21 13 9 10.0 osh-nosouffle mut+alloc+free+gc
22 11 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 12 11 13.2 _bin/cxx-opt+nopool/osh mut+alloc
23 14 10 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc