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 36 4 11 12.0 18.6 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 154 30 78 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 162 28 78 45.9 52.1 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 10 1 2 2.6 8.9 102,804 180 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 22 0 2 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 29 0 2 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 231 0 4 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 237 0 4 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 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 1.8 dash -
13 12 1 3.3 bash -
92 47 52 3.5 zsh -
16 11 5 30.1 bumpleak/osh mut
16 13 3 30.0 _bin/cxx-opt+bumproot/osh mut
19 15 5 30.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 8 25.6 osh-native mut+alloc
28 18 10 25.7 osh-native mut+alloc+free
32 24 8 18.2 osh-native mut+alloc+free+gc
35 26 9 18.4 osh-native mut+alloc+free+gc+exit
29 16 13 26.0 osh-nosouffle mut+alloc
31 20 12 26.2 osh-nosouffle mut+alloc+free
36 29 7 18.6 osh-nosouffle mut+alloc+free+gc
36 25 11 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 25 13 32.2 _bin/cxx-opt+nopool/osh mut+alloc
46 34 12 23.0 _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 23 0 1.7 dash -
43 41 2 3.4 bash -
338 191 170 3.8 zsh -
45 37 8 85.4 bumpleak/osh mut
49 41 8 85.6 _bin/cxx-opt+bumproot/osh mut
59 53 6 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 43 41 73.7 osh-native mut+alloc
94 59 35 75.6 osh-native mut+alloc+free
154 126 28 51.9 osh-native mut+alloc+free+gc
158 134 24 52.4 osh-native mut+alloc+free+gc+exit
94 66 28 74.2 osh-nosouffle mut+alloc
102 71 31 76.0 osh-nosouffle mut+alloc+free
162 142 20 52.1 osh-nosouffle mut+alloc+free+gc
167 139 28 53.0 osh-nosouffle mut+alloc+free+gc+exit
127 83 44 98.8 _bin/cxx-opt+nopool/osh mut+alloc
218 190 28 71.7 _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 1.7 dash -
4 4 0 3.3 bash -
7 5 2 3.4 zsh -
6 4 2 12.6 bumpleak/osh mut
6 5 2 13.2 _bin/cxx-opt+bumproot/osh mut
7 6 2 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.5 osh-native mut+alloc
9 5 4 10.6 osh-native mut+alloc+free
10 9 1 8.9 osh-native mut+alloc+free+gc
10 9 1 8.7 osh-native mut+alloc+free+gc+exit
9 6 3 10.9 osh-nosouffle mut+alloc
10 5 5 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
11 8 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
13 10 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
10 10 0 1.6 dash -
31 29 2 3.3 bash -
21 15 6 3.4 zsh -
17 13 4 33.7 bumpleak/osh mut
19 15 3 33.2 _bin/cxx-opt+bumproot/osh mut
21 14 7 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 19 10 26.7 osh-native mut+alloc
31 17 15 27.0 osh-native mut+alloc+free
22 19 3 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
36 28 8 27.3 osh-nosouffle mut+alloc
36 24 12 27.5 osh-nosouffle mut+alloc+free
29 26 3 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 29 16 36.5 _bin/cxx-opt+nopool/osh mut+alloc
31 27 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
104 102 2 3.5 bash -
214 160 54 55.9 bumpleak/osh mut
224 149 75 56.4 _bin/cxx-opt+bumproot/osh mut
244 186 58 58.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
263 202 61 48.8 osh-native mut+alloc
272 199 73 50.7 osh-native mut+alloc+free
231 178 53 9.2 osh-native mut+alloc+free+gc
227 179 48 9.2 osh-native mut+alloc+free+gc+exit
267 188 80 49.4 osh-nosouffle mut+alloc
277 205 72 51.3 osh-nosouffle mut+alloc+free
237 189 48 9.6 osh-nosouffle mut+alloc+free+gc
228 188 40 9.7 osh-nosouffle mut+alloc+free+gc+exit
282 199 83 65.1 _bin/cxx-opt+nopool/osh mut+alloc
257 198 59 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 8 3.9 zsh -
18 9 10 14.0 bumpleak/osh mut
18 6 12 12.6 _bin/cxx-opt+bumproot/osh mut
19 7 12 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 9 12 11.7 osh-native mut+alloc
21 13 8 11.7 osh-native mut+alloc+free
21 11 11 9.4 osh-native mut+alloc+free+gc
22 13 9 9.6 osh-native mut+alloc+free+gc+exit
21 11 11 12.1 osh-nosouffle mut+alloc
23 11 13 12.3 osh-nosouffle mut+alloc+free
22 12 11 10.1 osh-nosouffle mut+alloc+free+gc
23 15 8 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 10 14 13.1 _bin/cxx-opt+nopool/osh mut+alloc
25 13 13 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc