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 18.1 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 33 3 9 12.0 18.9 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 131 24 57 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 142 23 57 45.9 52.3 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 9 1 2 2.6 9.3 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 222 0 3 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 226 0 3 11.6 9.7 990,273 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 10.1 117,234 277 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
6 6 0 1.6 dash -
13 12 1 3.4 bash -
90 54 43 3.5 zsh -
15 13 2 29.5 bumpleak/osh mut
16 14 2 29.7 _bin/cxx-opt+bumproot/osh mut
19 13 6 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 8 25.4 osh-native mut+alloc
28 20 7 25.8 osh-native mut+alloc+free
31 25 6 18.1 osh-native mut+alloc+free+gc
32 23 9 18.2 osh-native mut+alloc+free+gc+exit
28 20 8 26.0 osh-nosouffle mut+alloc
30 18 12 26.2 osh-nosouffle mut+alloc+free
33 26 7 18.9 osh-nosouffle mut+alloc+free+gc
34 26 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 27 12 33.7 _bin/cxx-opt+nopool/osh mut+alloc
44 35 9 22.7 _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 21 2 1.6 dash -
42 41 1 3.3 bash -
327 180 171 3.7 zsh -
45 39 6 85.6 bumpleak/osh mut
49 37 12 85.3 _bin/cxx-opt+bumproot/osh mut
59 44 15 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 51 32 73.7 osh-native mut+alloc
93 59 33 75.6 osh-native mut+alloc+free
131 111 20 51.7 osh-native mut+alloc+free+gc
136 114 22 52.4 osh-native mut+alloc+free+gc+exit
93 59 34 74.2 osh-nosouffle mut+alloc
102 71 31 76.0 osh-nosouffle mut+alloc+free
142 115 27 52.3 osh-nosouffle mut+alloc+free+gc
142 120 22 52.9 osh-nosouffle mut+alloc+free+gc+exit
126 75 51 98.3 _bin/cxx-opt+nopool/osh mut+alloc
192 152 40 73.5 _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 4 0 3.1 bash -
6 4 3 3.4 zsh -
6 5 1 11.5 bumpleak/osh mut
6 4 2 11.6 _bin/cxx-opt+bumproot/osh mut
6 3 3 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.6 osh-native mut+alloc
8 6 2 10.9 osh-native mut+alloc+free
9 6 3 8.8 osh-native mut+alloc+free+gc
9 6 3 8.7 osh-native mut+alloc+free+gc+exit
8 2 6 10.9 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
9 7 3 9.3 osh-nosouffle mut+alloc+free+gc
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 12.0 _bin/cxx-opt+nopool/osh mut+alloc
11 8 3 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 9 1 1.6 dash -
31 30 1 3.3 bash -
22 15 7 3.4 zsh -
17 12 5 33.0 bumpleak/osh mut
17 15 2 31.8 _bin/cxx-opt+bumproot/osh mut
20 14 6 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 22 6 26.9 osh-native mut+alloc
31 18 12 27.0 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 21 12 27.3 osh-nosouffle mut+alloc
35 26 9 27.5 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
45 27 18 36.4 _bin/cxx-opt+nopool/osh mut+alloc
29 25 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
103 97 5 3.5 bash -
213 170 43 56.8 bumpleak/osh mut
225 169 56 56.7 _bin/cxx-opt+bumproot/osh mut
244 190 54 58.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 184 73 48.9 osh-native mut+alloc
263 187 76 50.7 osh-native mut+alloc+free
222 170 52 9.2 osh-native mut+alloc+free+gc
219 172 47 9.0 osh-native mut+alloc+free+gc+exit
260 188 72 49.3 osh-nosouffle mut+alloc
268 188 80 51.3 osh-nosouffle mut+alloc+free
226 176 50 9.7 osh-nosouffle mut+alloc+free+gc
228 181 47 9.8 osh-nosouffle mut+alloc+free+gc+exit
281 198 83 64.1 _bin/cxx-opt+nopool/osh mut+alloc
250 204 46 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 6 3 3.9 dash -
16 9 8 4.8 bash -
15 7 9 3.9 zsh -
18 10 8 13.5 bumpleak/osh mut
18 9 10 13.0 _bin/cxx-opt+bumproot/osh mut
20 10 11 14.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 12 11.5 osh-native mut+alloc
20 10 11 11.5 osh-native mut+alloc+free
20 12 9 9.6 osh-native mut+alloc+free+gc
21 9 12 9.6 osh-native mut+alloc+free+gc+exit
20 10 11 12.2 osh-nosouffle mut+alloc
21 10 12 12.2 osh-nosouffle mut+alloc+free
21 10 11 10.1 osh-nosouffle mut+alloc+free+gc
22 10 13 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 12 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 14 10 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc