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 3 10 12.0 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 35 3 10 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 144 25 69 45.9 51.9 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 149 25 65 45.9 52.0 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 1 2.8 8.3 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 25 0 2 2.8 8.9 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 223 0 4 11.6 9.2 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 227 0 3 11.6 9.6 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,208 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 21 1 2 3.0 9.8 117,207 277 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 7 0 1.7 dash -
13 12 1 3.4 bash -
89 49 47 3.4 zsh -
15 11 4 29.4 bumpleak/osh mut
17 12 5 29.0 _bin/cxx-opt+bumproot/osh mut
19 12 7 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 19 6 25.4 osh-native mut+alloc
28 20 8 25.8 osh-native mut+alloc+free
32 27 5 18.1 osh-native mut+alloc+free+gc
33 28 5 18.2 osh-native mut+alloc+free+gc+exit
29 18 11 26.0 osh-nosouffle mut+alloc
31 23 8 26.3 osh-nosouffle mut+alloc+free
35 24 11 18.7 osh-nosouffle mut+alloc+free+gc
38 30 8 18.9 osh-nosouffle mut+alloc+free+gc+exit
39 28 10 32.4 _bin/cxx-opt+nopool/osh mut+alloc
46 34 12 22.4 _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 42 1 3.3 bash -
329 181 172 3.7 zsh -
45 33 12 85.6 bumpleak/osh mut
49 38 11 86.7 _bin/cxx-opt+bumproot/osh mut
59 46 14 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 46 36 73.7 osh-native mut+alloc
91 65 27 75.5 osh-native mut+alloc+free
144 126 18 51.9 osh-native mut+alloc+free+gc
145 123 22 52.4 osh-native mut+alloc+free+gc+exit
94 55 39 73.9 osh-nosouffle mut+alloc
101 68 32 76.0 osh-nosouffle mut+alloc+free
149 132 17 52.0 osh-nosouffle mut+alloc+free+gc
155 133 22 52.9 osh-nosouffle mut+alloc+free+gc+exit
124 85 39 99.1 _bin/cxx-opt+nopool/osh mut+alloc
206 170 36 73.7 _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 5 1 3.4 zsh -
6 3 3 11.5 bumpleak/osh mut
6 6 0 11.3 _bin/cxx-opt+bumproot/osh mut
7 2 5 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.5 osh-native mut+alloc
8 7 1 10.6 osh-native mut+alloc+free
9 7 2 8.8 osh-native mut+alloc+free+gc
9 6 4 8.9 osh-native mut+alloc+free+gc+exit
9 4 5 11.0 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 4 7 11.9 _bin/cxx-opt+nopool/osh mut+alloc
13 9 3 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 -
31 30 1 3.3 bash -
21 13 8 3.4 zsh -
17 14 3 32.9 bumpleak/osh mut
19 15 4 33.5 _bin/cxx-opt+bumproot/osh mut
21 19 2 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 20 8 27.0 osh-native mut+alloc
30 17 13 27.1 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
33 22 11 27.3 osh-nosouffle mut+alloc
35 23 12 27.5 osh-nosouffle mut+alloc+free
25 22 3 8.9 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 32 13 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 9.6 _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 3.3 bash -
211 164 47 57.4 bumpleak/osh mut
222 163 59 57.3 _bin/cxx-opt+bumproot/osh mut
237 173 64 58.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 187 68 48.9 osh-native mut+alloc
265 186 79 50.7 osh-native mut+alloc+free
223 176 47 9.2 osh-native mut+alloc+free+gc
222 165 57 9.2 osh-native mut+alloc+free+gc+exit
261 187 74 49.3 osh-nosouffle mut+alloc
270 194 76 51.1 osh-nosouffle mut+alloc+free
227 182 45 9.6 osh-nosouffle mut+alloc+free+gc
227 190 37 9.6 osh-nosouffle mut+alloc+free+gc+exit
278 198 80 65.9 _bin/cxx-opt+nopool/osh mut+alloc
252 203 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 4 5 4.1 dash -
16 8 9 4.7 bash -
16 5 11 3.9 zsh -
17 6 12 13.7 bumpleak/osh mut
17 8 10 14.2 _bin/cxx-opt+bumproot/osh mut
20 8 13 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 12 9 11.4 osh-native mut+alloc
22 6 16 11.5 osh-native mut+alloc+free
21 9 12 9.6 osh-native mut+alloc+free+gc
21 9 13 9.7 osh-native mut+alloc+free+gc+exit
20 11 10 11.9 osh-nosouffle mut+alloc
22 12 11 12.2 osh-nosouffle mut+alloc+free
21 13 9 9.8 osh-nosouffle mut+alloc+free+gc
22 12 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
29 13 16 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 10 15 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc