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 33 4 11 12.0 18.4 471,266 1,282 6 413,148 5 206,574 osh-native
parse.configure-cpython 35 4 10 12.0 18.6 471,266 1,282 6 413,156 5 206,578 osh-nosouffle
parse.configure-coreutils 139 24 65 45.9 51.7 1,638,005 4,764 12 1,056,646 6 787,844 osh-native
parse.configure-coreutils 151 26 67 45.9 52.1 1,638,004 4,764 12 1,056,654 6 787,848 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,794 180 3 86,634 1 43,317 osh-native
parse.abuild 10 1 2 2.6 9.0 102,794 180 3 86,642 1 43,321 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.1 572,118 22,608 12 50,000 0 2,984 osh-native
ex.compute-fib 25 0 2 2.8 8.5 572,118 22,608 12 50,000 0 2,989 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 8.9 990,264 15,258 21 50,000 0 3,966 osh-native
ex.bashcomp-parse-help 254 0 4 11.6 9.6 990,263 15,258 21 50,000 0 3,968 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.6 117,222 277 3 83,996 1 41,998 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,221 277 3 84,004 1 42,002 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 7 0 1.6 dash -
13 13 0 3.3 bash -
90 59 38 3.5 zsh -
15 12 3 29.7 bumpleak/osh mut
16 16 0 30.1 _bin/cxx-opt+bumproot/osh mut
19 13 6 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 21 5 25.4 osh-native mut+alloc
28 17 11 25.8 osh-native mut+alloc+free
33 27 6 18.4 osh-native mut+alloc+free+gc
34 29 5 18.3 osh-native mut+alloc+free+gc+exit
28 19 9 26.0 osh-nosouffle mut+alloc
30 21 9 26.2 osh-nosouffle mut+alloc+free
35 25 10 18.6 osh-nosouffle mut+alloc+free+gc
36 29 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 23 18 32.4 _bin/cxx-opt+nopool/osh mut+alloc
47 38 9 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 1.8 dash -
42 40 3 3.4 bash -
329 175 176 3.7 zsh -
46 36 10 85.5 bumpleak/osh mut
48 40 8 86.5 _bin/cxx-opt+bumproot/osh mut
60 44 16 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 54 30 73.5 osh-native mut+alloc
93 55 38 75.5 osh-native mut+alloc+free
139 112 27 51.7 osh-native mut+alloc+free+gc
144 121 23 52.3 osh-native mut+alloc+free+gc+exit
93 66 27 74.2 osh-nosouffle mut+alloc
103 65 38 76.0 osh-nosouffle mut+alloc+free
151 136 15 52.1 osh-nosouffle mut+alloc+free+gc
153 131 22 52.9 osh-nosouffle mut+alloc+free+gc+exit
131 72 58 98.9 _bin/cxx-opt+nopool/osh mut+alloc
202 164 38 74.2 _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 4 0 3.1 bash -
6 5 1 3.4 zsh -
6 6 0 12.7 bumpleak/osh mut
6 5 2 11.9 _bin/cxx-opt+bumproot/osh mut
7 6 1 12.9 _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 5 4 8.7 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
9 6 3 10.9 osh-nosouffle mut+alloc
9 3 6 11.0 osh-nosouffle mut+alloc+free
10 7 3 9.0 osh-nosouffle mut+alloc+free+gc
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 9.7 _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 31 0 3.4 bash -
21 14 7 3.3 zsh -
17 15 2 32.8 bumpleak/osh mut
18 12 6 31.8 _bin/cxx-opt+bumproot/osh mut
20 15 6 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 14 14 26.9 osh-native mut+alloc
30 18 12 27.1 osh-native mut+alloc+free
20 18 2 8.1 osh-native mut+alloc+free+gc
20 18 2 8.4 osh-native mut+alloc+free+gc+exit
34 27 7 27.3 osh-nosouffle mut+alloc
36 26 10 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.5 osh-nosouffle mut+alloc+free+gc
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 21 25 36.7 _bin/cxx-opt+nopool/osh mut+alloc
30 26 4 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
105 103 2 3.5 bash -
213 160 53 56.8 bumpleak/osh mut
221 175 46 57.3 _bin/cxx-opt+bumproot/osh mut
239 180 59 57.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 175 81 48.8 osh-native mut+alloc
264 192 72 50.7 osh-native mut+alloc+free
222 173 49 8.9 osh-native mut+alloc+free+gc
220 177 43 8.9 osh-native mut+alloc+free+gc+exit
262 190 72 49.3 osh-nosouffle mut+alloc
269 201 68 51.5 osh-nosouffle mut+alloc+free
254 208 46 9.6 osh-nosouffle mut+alloc+free+gc
227 171 56 9.6 osh-nosouffle mut+alloc+free+gc+exit
277 196 81 65.2 _bin/cxx-opt+nopool/osh mut+alloc
248 194 54 10.7 _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 6 4.1 dash -
16 9 7 5.0 bash -
16 7 9 3.9 zsh -
17 8 9 13.9 bumpleak/osh mut
18 7 11 14.2 _bin/cxx-opt+bumproot/osh mut
20 10 10 14.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 12 11.7 osh-native mut+alloc
21 7 14 11.7 osh-native mut+alloc+free
20 12 10 9.6 osh-native mut+alloc+free+gc
21 13 9 9.6 osh-native mut+alloc+free+gc+exit
20 10 11 12.1 osh-nosouffle mut+alloc
22 10 12 12.2 osh-nosouffle mut+alloc+free
21 14 9 10.1 osh-nosouffle mut+alloc+free+gc
25 14 11 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 12 11 12.8 _bin/cxx-opt+nopool/osh mut+alloc
23 17 7 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc