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 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 3 10 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 132 22 59 45.9 51.9 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 139 22 57 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 2 2.8 8.3 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 24 0 1 2.8 8.7 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 221 0 3 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 9.4 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 20 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 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
7 5 2 1.6 dash -
13 12 1 3.4 bash -
90 54 43 3.5 zsh -
15 12 3 30.0 bumpleak/osh mut
16 12 4 29.7 _bin/cxx-opt+bumproot/osh mut
19 10 9 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 17 8 25.4 osh-native mut+alloc
27 17 10 25.7 osh-native mut+alloc+free
31 25 6 18.1 osh-native mut+alloc+free+gc
32 23 9 18.1 osh-native mut+alloc+free+gc+exit
28 20 8 26.0 osh-nosouffle mut+alloc
30 21 10 26.2 osh-nosouffle mut+alloc+free
34 29 5 18.6 osh-nosouffle mut+alloc+free+gc
34 26 8 18.8 osh-nosouffle mut+alloc+free+gc+exit
39 20 19 32.3 _bin/cxx-opt+nopool/osh mut+alloc
44 29 15 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 22 1 1.6 dash -
42 42 0 3.4 bash -
319 175 166 3.7 zsh -
43 32 12 86.3 bumpleak/osh mut
47 39 9 86.4 _bin/cxx-opt+bumproot/osh mut
59 47 12 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 48 34 73.7 osh-native mut+alloc
90 56 34 75.6 osh-native mut+alloc+free
132 107 24 51.9 osh-native mut+alloc+free+gc
132 111 22 52.4 osh-native mut+alloc+free+gc+exit
90 60 30 74.1 osh-nosouffle mut+alloc
99 68 31 76.0 osh-nosouffle mut+alloc+free
139 111 28 52.0 osh-nosouffle mut+alloc+free+gc
144 125 19 52.8 osh-nosouffle mut+alloc+free+gc+exit
126 77 49 97.9 _bin/cxx-opt+nopool/osh mut+alloc
188 154 34 73.4 _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 1.7 dash -
4 4 0 3.1 bash -
6 5 1 3.4 zsh -
6 4 2 13.1 bumpleak/osh mut
6 4 2 12.0 _bin/cxx-opt+bumproot/osh mut
7 4 3 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 2 6 10.5 osh-native mut+alloc
8 4 4 10.7 osh-native mut+alloc+free
9 4 5 8.8 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
8 6 2 10.7 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 12.0 _bin/cxx-opt+nopool/osh mut+alloc
11 9 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
9 9 0 1.6 dash -
31 30 1 3.3 bash -
21 18 3 3.4 zsh -
16 13 4 32.4 bumpleak/osh mut
17 14 3 32.2 _bin/cxx-opt+bumproot/osh mut
21 17 4 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 9 26.9 osh-native mut+alloc
30 15 15 27.1 osh-native mut+alloc+free
20 20 0 8.3 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 22 11 27.4 osh-nosouffle mut+alloc
35 21 14 27.6 osh-nosouffle mut+alloc+free
24 20 4 8.7 osh-nosouffle mut+alloc+free+gc
24 22 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 34 11 36.5 _bin/cxx-opt+nopool/osh mut+alloc
29 28 1 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 97 6 3.4 bash -
211 160 51 56.0 bumpleak/osh mut
222 176 46 56.7 _bin/cxx-opt+bumproot/osh mut
236 172 64 57.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 188 68 48.8 osh-native mut+alloc
264 200 64 50.9 osh-native mut+alloc+free
221 169 52 9.2 osh-native mut+alloc+free+gc
222 171 51 8.9 osh-native mut+alloc+free+gc+exit
261 197 64 49.2 osh-nosouffle mut+alloc
271 193 78 51.2 osh-nosouffle mut+alloc+free
227 179 48 9.4 osh-nosouffle mut+alloc+free+gc
227 170 57 9.4 osh-nosouffle mut+alloc+free+gc+exit
275 202 74 65.3 _bin/cxx-opt+nopool/osh mut+alloc
249 207 42 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 9 7 4.7 bash -
15 9 7 4.1 zsh -
17 6 12 12.8 bumpleak/osh mut
18 8 10 13.0 _bin/cxx-opt+bumproot/osh mut
18 7 11 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 11 8 11.5 osh-native mut+alloc
20 13 7 11.7 osh-native mut+alloc+free
20 13 7 9.6 osh-native mut+alloc+free+gc
20 14 7 9.7 osh-native mut+alloc+free+gc+exit
20 8 12 12.1 osh-nosouffle mut+alloc
21 11 10 12.3 osh-nosouffle mut+alloc+free
21 12 10 10.0 osh-nosouffle mut+alloc+free+gc
22 13 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
22 13 10 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 11 12 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc