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 35 6 12 12.0 18.5 471,276 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 151 29 76 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 163 30 78 45.9 52.1 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 10 1 3 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 2 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 226 0 4 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 229 0 4 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 22 1 2 3.0 9.4 117,259 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,258 277 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 4 3 1.7 dash -
13 11 2 3.4 bash -
93 49 51 3.5 zsh -
16 11 5 28.8 bumpleak/osh mut
16 10 6 29.8 _bin/cxx-opt+bumproot/osh mut
20 15 4 29.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 8 25.6 osh-native mut+alloc
28 18 10 26.0 osh-native mut+alloc+free
35 28 7 18.5 osh-native mut+alloc+free+gc
34 26 8 18.2 osh-native mut+alloc+free+gc+exit
29 17 12 26.1 osh-nosouffle mut+alloc
30 24 6 26.2 osh-nosouffle mut+alloc+free
35 27 7 18.7 osh-nosouffle mut+alloc+free+gc
39 30 9 18.9 osh-nosouffle mut+alloc+free+gc+exit
38 25 14 32.3 _bin/cxx-opt+nopool/osh mut+alloc
47 40 7 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 23 0 1.7 dash -
43 41 2 3.5 bash -
338 185 178 3.8 zsh -
46 36 10 85.4 bumpleak/osh mut
49 41 8 85.5 _bin/cxx-opt+bumproot/osh mut
59 46 13 84.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 48 36 73.8 osh-native mut+alloc
92 59 33 75.5 osh-native mut+alloc+free
151 126 26 51.7 osh-native mut+alloc+free+gc
160 130 30 52.3 osh-native mut+alloc+free+gc+exit
94 59 35 74.1 osh-nosouffle mut+alloc
102 65 37 75.9 osh-nosouffle mut+alloc+free
163 139 24 52.1 osh-nosouffle mut+alloc+free+gc
168 143 25 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 79 49 98.2 _bin/cxx-opt+nopool/osh mut+alloc
228 182 46 74.0 _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 2 1 3.1 bash -
7 4 3 3.4 zsh -
7 6 1 12.2 bumpleak/osh mut
6 3 4 13.0 _bin/cxx-opt+bumproot/osh mut
7 4 4 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
8 5 4 10.7 osh-native mut+alloc+free
10 8 2 8.7 osh-native mut+alloc+free+gc
10 6 4 8.8 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 6 4 11.0 osh-nosouffle mut+alloc+free
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc
10 8 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
12 8 4 12.0 _bin/cxx-opt+nopool/osh mut+alloc
13 9 4 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 1.4 dash -
31 29 2 3.3 bash -
21 17 4 3.4 zsh -
18 12 5 32.4 bumpleak/osh mut
19 16 3 33.0 _bin/cxx-opt+bumproot/osh mut
21 17 4 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 22 7 26.9 osh-native mut+alloc
32 18 13 27.3 osh-native mut+alloc+free
20 17 4 8.3 osh-native mut+alloc+free+gc
21 19 2 8.3 osh-native mut+alloc+free+gc+exit
33 28 5 27.3 osh-nosouffle mut+alloc
36 29 7 27.7 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 33 13 36.3 _bin/cxx-opt+nopool/osh mut+alloc
31 28 3 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
104 95 9 3.4 bash -
213 157 56 56.6 bumpleak/osh mut
224 180 44 56.1 _bin/cxx-opt+bumproot/osh mut
245 193 52 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
263 203 60 48.8 osh-native mut+alloc
269 196 73 50.7 osh-native mut+alloc+free
226 182 44 9.2 osh-native mut+alloc+free+gc
236 196 40 9.0 osh-native mut+alloc+free+gc+exit
269 204 64 49.2 osh-nosouffle mut+alloc
275 197 77 51.1 osh-nosouffle mut+alloc+free
229 181 48 9.6 osh-nosouffle mut+alloc+free+gc
230 176 53 9.8 osh-nosouffle mut+alloc+free+gc+exit
282 198 84 65.0 _bin/cxx-opt+nopool/osh mut+alloc
259 200 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 6 3.8 dash -
16 10 7 4.8 bash -
16 8 9 3.9 zsh -
18 8 11 14.4 bumpleak/osh mut
19 7 13 12.6 _bin/cxx-opt+bumproot/osh mut
20 7 13 13.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 8 12 11.7 osh-native mut+alloc
21 10 12 11.8 osh-native mut+alloc+free
22 12 11 9.4 osh-native mut+alloc+free+gc
22 14 9 9.6 osh-native mut+alloc+free+gc+exit
21 10 12 12.1 osh-nosouffle mut+alloc
23 7 16 12.2 osh-nosouffle mut+alloc+free
22 13 10 10.1 osh-nosouffle mut+alloc+free+gc
24 15 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
24 12 12 13.2 _bin/cxx-opt+nopool/osh mut+alloc
25 14 11 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc