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 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 38 6 13 12.0 18.9 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 142 26 69 45.9 51.6 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 156 28 72 45.9 52.3 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 10 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 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 222 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 9.7 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,259 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 23 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 6 1 1.7 dash -
13 10 2 3.4 bash -
97 53 49 3.4 zsh -
15 12 3 29.4 bumpleak/osh mut
17 11 6 28.9 _bin/cxx-opt+bumproot/osh mut
20 14 6 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 13 13 25.6 osh-native mut+alloc
28 19 9 25.8 osh-native mut+alloc+free
33 26 7 18.2 osh-native mut+alloc+free+gc
34 26 8 18.4 osh-native mut+alloc+free+gc+exit
28 20 8 25.8 osh-nosouffle mut+alloc
31 22 9 26.3 osh-nosouffle mut+alloc+free
38 32 7 18.9 osh-nosouffle mut+alloc+free+gc
38 30 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 24 15 32.3 _bin/cxx-opt+nopool/osh mut+alloc
51 40 11 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 1.7 dash -
42 41 1 3.5 bash -
330 188 164 3.7 zsh -
46 34 12 85.0 bumpleak/osh mut
48 38 10 86.3 _bin/cxx-opt+bumproot/osh mut
59 48 11 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 49 34 73.5 osh-native mut+alloc
95 62 34 75.5 osh-native mut+alloc+free
142 122 20 51.6 osh-native mut+alloc+free+gc
148 125 23 52.4 osh-native mut+alloc+free+gc+exit
92 53 39 74.1 osh-nosouffle mut+alloc
102 77 26 75.9 osh-nosouffle mut+alloc+free
156 125 31 52.3 osh-nosouffle mut+alloc+free+gc
163 141 22 52.8 osh-nosouffle mut+alloc+free+gc+exit
124 81 43 99.5 _bin/cxx-opt+nopool/osh mut+alloc
210 178 32 72.8 _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 2 1 3.0 bash -
7 6 1 3.3 zsh -
6 5 1 11.4 bumpleak/osh mut
7 3 3 12.1 _bin/cxx-opt+bumproot/osh mut
8 6 1 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.5 osh-native mut+alloc
9 5 4 10.5 osh-native mut+alloc+free
10 10 0 8.7 osh-native mut+alloc+free+gc
10 7 3 8.8 osh-native mut+alloc+free+gc+exit
9 7 2 11.0 osh-nosouffle mut+alloc
9 6 3 11.0 osh-nosouffle mut+alloc+free
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc
10 6 5 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 9 3 11.8 _bin/cxx-opt+nopool/osh mut+alloc
13 12 1 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 -
33 32 1 3.1 bash -
21 15 7 3.4 zsh -
17 14 3 32.4 bumpleak/osh mut
19 17 2 32.8 _bin/cxx-opt+bumproot/osh mut
21 17 4 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 19 10 26.9 osh-native mut+alloc
32 17 15 27.1 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 16 4 8.3 osh-native mut+alloc+free+gc+exit
34 25 9 27.3 osh-nosouffle mut+alloc
37 29 8 27.6 osh-nosouffle mut+alloc+free
25 21 4 8.8 osh-nosouffle mut+alloc+free+gc
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc+exit
47 29 17 36.4 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 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 6 3.5 bash -
216 164 52 56.9 bumpleak/osh mut
224 169 55 57.4 _bin/cxx-opt+bumproot/osh mut
242 184 58 57.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 178 79 48.8 osh-native mut+alloc
269 197 72 50.9 osh-native mut+alloc+free
222 169 53 9.2 osh-native mut+alloc+free+gc
226 170 56 9.0 osh-native mut+alloc+free+gc+exit
264 197 67 49.3 osh-nosouffle mut+alloc
270 191 79 51.4 osh-nosouffle mut+alloc+free
229 180 49 9.7 osh-nosouffle mut+alloc+free+gc
230 179 51 10.0 osh-nosouffle mut+alloc+free+gc+exit
280 207 74 65.3 _bin/cxx-opt+nopool/osh mut+alloc
255 204 51 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 4 6 3.9 dash -
16 8 9 4.7 bash -
16 7 10 4.1 zsh -
18 11 8 13.9 bumpleak/osh mut
19 11 8 13.0 _bin/cxx-opt+bumproot/osh mut
20 10 11 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 10 11.5 osh-native mut+alloc
21 11 11 11.7 osh-native mut+alloc+free
21 12 10 9.4 osh-native mut+alloc+free+gc
22 10 13 9.7 osh-native mut+alloc+free+gc+exit
22 12 10 12.2 osh-nosouffle mut+alloc
22 12 11 12.3 osh-nosouffle mut+alloc+free
23 13 11 10.1 osh-nosouffle mut+alloc+free+gc
23 15 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
24 10 14 13.1 _bin/cxx-opt+nopool/osh mut+alloc
25 15 10 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc