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 9 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 131 23 59 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 143 23 59 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 9.2 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 25 0 1 2.8 8.8 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 220 0 3 11.6 9.2 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 226 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 10.0 117,246 277 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 5 1 1.8 dash -
13 12 1 3.4 bash -
90 49 48 3.5 zsh -
15 12 3 29.0 bumpleak/osh mut
16 11 5 28.9 _bin/cxx-opt+bumproot/osh mut
20 12 8 29.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 18 7 25.4 osh-native mut+alloc
27 17 10 25.8 osh-native mut+alloc+free
31 21 10 18.1 osh-native mut+alloc+free+gc
31 27 4 18.2 osh-native mut+alloc+free+gc+exit
28 18 10 25.8 osh-nosouffle mut+alloc
30 15 15 26.2 osh-nosouffle mut+alloc+free
34 25 8 18.6 osh-nosouffle mut+alloc+free+gc
35 27 8 18.6 osh-nosouffle mut+alloc+free+gc+exit
40 29 11 32.4 _bin/cxx-opt+nopool/osh mut+alloc
44 38 7 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 41 1 3.4 bash -
323 178 168 3.7 zsh -
45 31 14 86.1 bumpleak/osh mut
48 40 8 85.1 _bin/cxx-opt+bumproot/osh mut
60 43 16 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 49 33 73.8 osh-native mut+alloc
91 49 42 75.5 osh-native mut+alloc+free
131 108 23 51.7 osh-native mut+alloc+free+gc
139 116 23 52.4 osh-native mut+alloc+free+gc+exit
93 64 29 74.2 osh-nosouffle mut+alloc
101 63 37 76.0 osh-nosouffle mut+alloc+free
143 117 26 52.3 osh-nosouffle mut+alloc+free+gc
150 122 28 52.9 osh-nosouffle mut+alloc+free+gc+exit
125 83 42 98.4 _bin/cxx-opt+nopool/osh mut+alloc
189 151 37 74.8 _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 1.6 dash -
4 3 1 3.3 bash -
6 4 2 3.4 zsh -
6 4 2 12.6 bumpleak/osh mut
6 5 1 13.2 _bin/cxx-opt+bumproot/osh mut
6 6 0 11.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
8 5 3 10.7 osh-native mut+alloc+free
9 9 0 8.7 osh-native mut+alloc+free+gc
10 6 4 8.7 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
10 9 1 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 5 7 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 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
9 8 1 1.6 dash -
31 31 0 3.3 bash -
21 19 2 3.4 zsh -
16 12 4 33.4 bumpleak/osh mut
17 14 3 33.5 _bin/cxx-opt+bumproot/osh mut
21 16 5 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 19 10 27.1 osh-native mut+alloc
31 21 10 27.0 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 19 1 8.1 osh-native mut+alloc+free+gc+exit
33 21 13 27.5 osh-nosouffle mut+alloc
36 25 11 27.7 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
24 20 4 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 31 15 36.5 _bin/cxx-opt+nopool/osh mut+alloc
30 26 3 9.7 _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 -
212 162 49 56.1 bumpleak/osh mut
221 172 48 57.9 _bin/cxx-opt+bumproot/osh mut
237 168 69 57.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 178 79 48.8 osh-native mut+alloc
266 195 71 50.7 osh-native mut+alloc+free
220 171 49 9.2 osh-native mut+alloc+free+gc
222 172 50 9.0 osh-native mut+alloc+free+gc+exit
264 188 76 49.4 osh-nosouffle mut+alloc
271 202 68 51.2 osh-nosouffle mut+alloc+free
226 182 44 9.4 osh-nosouffle mut+alloc+free+gc
228 180 48 9.7 osh-nosouffle mut+alloc+free+gc+exit
279 199 80 65.1 _bin/cxx-opt+nopool/osh mut+alloc
250 207 43 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 2 7 3.8 dash -
16 10 7 4.8 bash -
15 7 9 3.8 zsh -
18 11 8 13.0 bumpleak/osh mut
19 8 12 13.7 _bin/cxx-opt+bumproot/osh mut
19 4 15 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 11 11.5 osh-native mut+alloc
20 10 11 11.7 osh-native mut+alloc+free
20 9 12 9.4 osh-native mut+alloc+free+gc
20 8 13 9.7 osh-native mut+alloc+free+gc+exit
20 10 11 12.2 osh-nosouffle mut+alloc
22 8 14 12.2 osh-nosouffle mut+alloc+free
21 11 11 10.0 osh-nosouffle mut+alloc+free+gc
21 12 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 7 16 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 10 14 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc