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 10 12.0 18.1 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 10 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 167 24 81 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 149 24 65 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 8.5 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.0 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 19 0 1 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 24 0 1 2.8 8.5 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 223 0 4 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 229 0 3 11.6 9.6 990,273 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 21 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 7 0 1.7 dash -
13 12 1 3.3 bash -
90 49 49 3.4 zsh -
15 12 3 30.1 bumpleak/osh mut
16 12 4 29.7 _bin/cxx-opt+bumproot/osh mut
19 13 6 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 19 7 25.4 osh-native mut+alloc
28 20 8 25.8 osh-native mut+alloc+free
33 29 4 18.1 osh-native mut+alloc+free+gc
38 30 8 18.1 osh-native mut+alloc+free+gc+exit
29 18 11 26.0 osh-nosouffle mut+alloc
31 22 9 26.1 osh-nosouffle mut+alloc+free
35 28 7 18.7 osh-nosouffle mut+alloc+free+gc
35 28 8 18.9 osh-nosouffle mut+alloc+free+gc+exit
40 24 16 32.2 _bin/cxx-opt+nopool/osh mut+alloc
45 32 12 22.9 _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 40 2 3.5 bash -
329 186 166 3.7 zsh -
46 36 10 84.9 bumpleak/osh mut
48 36 12 84.5 _bin/cxx-opt+bumproot/osh mut
58 47 11 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
87 56 32 73.8 osh-native mut+alloc
102 65 36 75.5 osh-native mut+alloc+free
167 136 31 51.7 osh-native mut+alloc+free+gc
144 123 21 52.4 osh-native mut+alloc+free+gc+exit
92 62 30 74.2 osh-nosouffle mut+alloc
103 67 36 76.0 osh-nosouffle mut+alloc+free
149 127 22 52.1 osh-nosouffle mut+alloc+free+gc
151 124 27 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 77 50 99.6 _bin/cxx-opt+nopool/osh mut+alloc
197 166 31 73.0 _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 3.3 bash -
7 3 3 3.4 zsh -
7 6 1 12.3 bumpleak/osh mut
7 4 2 12.1 _bin/cxx-opt+bumproot/osh mut
7 5 2 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 4 5 10.6 osh-native mut+alloc+free
9 7 2 8.5 osh-native mut+alloc+free+gc
9 8 1 8.9 osh-native mut+alloc+free+gc+exit
9 4 5 10.9 osh-nosouffle mut+alloc
9 4 5 11.0 osh-nosouffle mut+alloc+free
10 8 2 9.0 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 5 11.8 _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 9 1 1.6 dash -
30 29 1 3.4 bash -
22 14 7 3.3 zsh -
18 13 5 33.5 bumpleak/osh mut
18 15 3 31.9 _bin/cxx-opt+bumproot/osh mut
20 16 4 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 17 10 26.9 osh-native mut+alloc
30 19 11 27.2 osh-native mut+alloc+free
19 17 2 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
33 20 13 27.4 osh-nosouffle mut+alloc
35 23 12 27.5 osh-nosouffle mut+alloc+free
24 21 3 8.5 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 21 24 36.1 _bin/cxx-opt+nopool/osh mut+alloc
32 26 4 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
107 101 6 3.5 bash -
213 158 55 56.5 bumpleak/osh mut
223 165 59 56.6 _bin/cxx-opt+bumproot/osh mut
238 178 60 57.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 188 68 48.9 osh-native mut+alloc
265 204 61 50.9 osh-native mut+alloc+free
223 168 55 9.0 osh-native mut+alloc+free+gc
222 174 48 9.0 osh-native mut+alloc+free+gc+exit
264 199 65 49.6 osh-nosouffle mut+alloc
271 189 82 51.3 osh-nosouffle mut+alloc+free
229 188 41 9.6 osh-nosouffle mut+alloc+free+gc
228 177 51 9.8 osh-nosouffle mut+alloc+free+gc+exit
282 204 78 65.3 _bin/cxx-opt+nopool/osh mut+alloc
251 190 60 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 5 3.9 dash -
16 10 7 4.8 bash -
16 9 7 3.9 zsh -
18 9 10 13.3 bumpleak/osh mut
19 9 10 13.8 _bin/cxx-opt+bumproot/osh mut
18 7 12 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 7 13 11.7 osh-native mut+alloc
21 9 12 11.7 osh-native mut+alloc+free
20 10 11 9.6 osh-native mut+alloc+free+gc
21 11 10 9.6 osh-native mut+alloc+free+gc+exit
20 13 8 12.2 osh-nosouffle mut+alloc
22 11 11 12.2 osh-nosouffle mut+alloc+free
21 13 9 10.0 osh-nosouffle mut+alloc+free+gc
22 13 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 6 18 13.2 _bin/cxx-opt+nopool/osh mut+alloc
23 14 10 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc