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 30 3 9 12.0 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 33 3 9 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 126 23 55 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 138 23 56 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 8.5 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 9 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 8.3 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 25 0 2 2.8 8.5 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 222 0 3 11.6 9.0 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 227 0 3 11.6 9.4 990,259 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 10.1 117,246 277 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 2 1.7 dash -
13 12 1 3.4 bash -
88 55 40 3.4 zsh -
15 11 4 29.9 bumpleak/osh mut
16 12 4 28.9 _bin/cxx-opt+bumproot/osh mut
18 15 3 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 16 9 25.4 osh-native mut+alloc
27 17 10 25.8 osh-native mut+alloc+free
30 23 7 18.1 osh-native mut+alloc+free+gc
31 24 7 18.2 osh-native mut+alloc+free+gc+exit
28 19 8 26.0 osh-nosouffle mut+alloc
30 15 15 26.2 osh-nosouffle mut+alloc+free
33 26 7 18.7 osh-nosouffle mut+alloc+free+gc
34 29 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 21 19 32.6 _bin/cxx-opt+nopool/osh mut+alloc
44 36 8 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 22 1 1.7 dash -
42 42 0 3.4 bash -
329 174 178 3.5 zsh -
44 36 8 84.8 bumpleak/osh mut
47 38 9 86.2 _bin/cxx-opt+bumproot/osh mut
59 44 15 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 46 36 73.7 osh-native mut+alloc
89 59 30 75.4 osh-native mut+alloc+free
126 105 21 51.7 osh-native mut+alloc+free+gc
130 106 24 52.4 osh-native mut+alloc+free+gc+exit
90 55 35 74.1 osh-nosouffle mut+alloc
98 62 36 75.9 osh-nosouffle mut+alloc+free
138 111 27 52.3 osh-nosouffle mut+alloc+free+gc
141 113 28 52.9 osh-nosouffle mut+alloc+free+gc+exit
126 84 41 99.5 _bin/cxx-opt+nopool/osh mut+alloc
186 145 41 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 1.7 dash -
4 2 1 3.1 bash -
6 3 3 3.4 zsh -
6 2 4 11.1 bumpleak/osh mut
6 6 0 12.0 _bin/cxx-opt+bumproot/osh mut
7 5 2 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 4 4 10.6 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 5 4 8.5 osh-native mut+alloc+free+gc
9 5 4 8.8 osh-native mut+alloc+free+gc+exit
8 5 3 11.0 osh-nosouffle mut+alloc
9 6 3 11.0 osh-nosouffle mut+alloc+free
9 8 1 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.9 _bin/cxx-opt+nopool/osh mut+alloc
11 6 5 9.6 _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 1.6 dash -
31 29 2 3.3 bash -
21 16 5 3.4 zsh -
17 12 5 33.4 bumpleak/osh mut
18 13 5 32.7 _bin/cxx-opt+bumproot/osh mut
20 14 6 33.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 20 7 27.1 osh-native mut+alloc
29 20 10 27.3 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
33 22 11 27.4 osh-nosouffle mut+alloc
35 26 9 27.8 osh-nosouffle mut+alloc+free
25 23 2 8.5 osh-nosouffle mut+alloc+free+gc
25 23 1 8.8 osh-nosouffle mut+alloc+free+gc+exit
45 31 15 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 26 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
104 103 1 3.4 bash -
213 165 47 57.8 bumpleak/osh mut
221 178 42 57.3 _bin/cxx-opt+bumproot/osh mut
237 195 42 58.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 192 63 48.8 osh-native mut+alloc
261 188 73 50.7 osh-native mut+alloc+free
222 160 62 9.0 osh-native mut+alloc+free+gc
221 170 51 9.2 osh-native mut+alloc+free+gc+exit
261 172 89 49.2 osh-nosouffle mut+alloc
269 206 63 51.0 osh-nosouffle mut+alloc+free
227 171 56 9.4 osh-nosouffle mut+alloc+free+gc
226 177 49 9.6 osh-nosouffle mut+alloc+free+gc+exit
279 194 85 64.6 _bin/cxx-opt+nopool/osh mut+alloc
250 207 43 10.4 _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 4.8 bash -
15 7 9 3.9 zsh -
17 7 10 12.3 bumpleak/osh mut
17 9 9 14.1 _bin/cxx-opt+bumproot/osh mut
18 9 10 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 12 11.7 osh-native mut+alloc
20 11 10 11.7 osh-native mut+alloc+free
20 10 11 9.4 osh-native mut+alloc+free+gc
21 11 11 9.6 osh-native mut+alloc+free+gc+exit
20 10 10 12.1 osh-nosouffle mut+alloc
21 10 11 12.2 osh-nosouffle mut+alloc+free
21 14 8 10.1 osh-nosouffle mut+alloc+free+gc
21 12 10 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 12 11 13.2 _bin/cxx-opt+nopool/osh mut+alloc
23 14 10 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc