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 4 10 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 3 10 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 137 25 62 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 151 24 68 45.9 52.1 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.2 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.4 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 24 0 1 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 225 0 3 11.6 9.4 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.6 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.0 117,234 277 3 84,016 1 42,008 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 6 1 1.6 dash -
13 11 2 3.3 bash -
91 57 41 3.5 zsh -
15 11 4 28.6 bumpleak/osh mut
16 12 4 29.1 _bin/cxx-opt+bumproot/osh mut
19 12 7 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.4 osh-native mut+alloc
28 21 7 25.8 osh-native mut+alloc+free
32 26 6 18.2 osh-native mut+alloc+free+gc
33 28 5 18.4 osh-native mut+alloc+free+gc+exit
28 20 8 26.0 osh-nosouffle mut+alloc
30 23 8 26.2 osh-nosouffle mut+alloc+free
34 29 5 18.7 osh-nosouffle mut+alloc+free+gc
35 23 12 18.6 osh-nosouffle mut+alloc+free+gc+exit
40 27 13 32.6 _bin/cxx-opt+nopool/osh mut+alloc
45 39 6 22.8 _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 -
325 198 152 3.8 zsh -
45 33 12 86.1 bumpleak/osh mut
48 38 10 85.9 _bin/cxx-opt+bumproot/osh mut
60 48 12 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 46 38 73.7 osh-native mut+alloc
93 68 25 75.6 osh-native mut+alloc+free
137 116 21 51.9 osh-native mut+alloc+free+gc
141 113 28 52.4 osh-native mut+alloc+free+gc+exit
93 61 32 74.2 osh-nosouffle mut+alloc
101 64 37 75.9 osh-nosouffle mut+alloc+free
151 130 21 52.1 osh-nosouffle mut+alloc+free+gc
154 124 29 52.8 osh-nosouffle mut+alloc+free+gc+exit
130 75 55 98.6 _bin/cxx-opt+nopool/osh mut+alloc
201 173 28 72.7 _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 1 1 1.6 dash -
4 3 1 3.1 bash -
6 3 3 3.4 zsh -
6 4 2 12.8 bumpleak/osh mut
6 4 2 12.6 _bin/cxx-opt+bumproot/osh mut
7 5 1 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.6 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 6 4 8.7 osh-native mut+alloc+free+gc
10 9 1 8.8 osh-native mut+alloc+free+gc+exit
9 7 1 11.0 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
10 9 1 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 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 8 2 1.6 dash -
31 30 1 3.3 bash -
21 17 4 3.4 zsh -
16 15 1 32.1 bumpleak/osh mut
18 16 2 33.6 _bin/cxx-opt+bumproot/osh mut
21 20 1 33.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 18 10 26.7 osh-native mut+alloc
31 19 12 27.0 osh-native mut+alloc+free
20 16 4 8.4 osh-native mut+alloc+free+gc
20 19 1 8.1 osh-native mut+alloc+free+gc+exit
33 21 12 27.3 osh-nosouffle mut+alloc
35 25 10 27.8 osh-nosouffle mut+alloc+free
24 23 1 8.8 osh-nosouffle mut+alloc+free+gc
24 21 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 28 18 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 28 2 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
103 99 4 3.5 bash -
211 157 54 57.5 bumpleak/osh mut
221 175 46 58.1 _bin/cxx-opt+bumproot/osh mut
238 186 52 57.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 178 77 48.8 osh-native mut+alloc
265 190 75 50.7 osh-native mut+alloc+free
221 184 37 9.0 osh-native mut+alloc+free+gc
223 170 53 9.0 osh-native mut+alloc+free+gc+exit
263 201 62 49.3 osh-nosouffle mut+alloc
268 188 80 51.3 osh-nosouffle mut+alloc+free
225 174 51 9.4 osh-nosouffle mut+alloc+free+gc
226 160 66 9.7 osh-nosouffle mut+alloc+free+gc+exit
278 207 71 65.2 _bin/cxx-opt+nopool/osh mut+alloc
247 205 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 3 7 3.9 dash -
16 9 7 4.8 bash -
16 8 9 4.1 zsh -
19 7 13 13.1 bumpleak/osh mut
18 7 11 14.2 _bin/cxx-opt+bumproot/osh mut
19 9 10 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 14 7 11.4 osh-native mut+alloc
21 14 8 11.7 osh-native mut+alloc+free
20 10 11 9.6 osh-native mut+alloc+free+gc
21 10 12 9.6 osh-native mut+alloc+free+gc+exit
21 9 13 12.2 osh-nosouffle mut+alloc
22 7 15 12.2 osh-nosouffle mut+alloc+free
22 10 12 10.0 osh-nosouffle mut+alloc+free+gc
22 12 10 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 10 14 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 16 8 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc