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 34 4 12 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 11 12.0 18.9 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 140 24 64 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 149 26 63 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 8.7 102,804 180 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 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 224 0 4 11.6 8.9 990,274 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 9.6 117,235 277 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 6 1 1.7 dash -
13 12 1 3.3 bash -
92 47 52 3.5 zsh -
16 12 4 28.7 bumpleak/osh mut
17 13 4 30.0 _bin/cxx-opt+bumproot/osh mut
20 18 2 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 12 14 25.4 osh-native mut+alloc
28 17 11 25.7 osh-native mut+alloc+free
34 28 6 18.2 osh-native mut+alloc+free+gc
33 22 11 18.4 osh-native mut+alloc+free+gc+exit
28 20 9 25.8 osh-nosouffle mut+alloc
30 21 10 26.2 osh-nosouffle mut+alloc+free
35 30 6 18.9 osh-nosouffle mut+alloc+free+gc
37 31 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 27 13 32.5 _bin/cxx-opt+nopool/osh mut+alloc
46 35 11 22.5 _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 39 3 3.4 bash -
327 182 169 3.7 zsh -
46 35 10 84.9 bumpleak/osh mut
48 41 7 86.5 _bin/cxx-opt+bumproot/osh mut
59 45 14 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 49 35 73.7 osh-native mut+alloc
92 64 28 75.6 osh-native mut+alloc+free
140 119 21 51.9 osh-native mut+alloc+free+gc
142 120 22 52.4 osh-native mut+alloc+free+gc+exit
92 53 39 74.2 osh-nosouffle mut+alloc
102 67 35 75.8 osh-nosouffle mut+alloc+free
149 129 20 52.1 osh-nosouffle mut+alloc+free+gc
152 127 25 52.8 osh-nosouffle mut+alloc+free+gc+exit
126 82 44 99.0 _bin/cxx-opt+nopool/osh mut+alloc
206 176 30 72.4 _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 2 3.1 bash -
6 4 3 3.4 zsh -
6 3 3 11.6 bumpleak/osh mut
6 3 3 12.9 _bin/cxx-opt+bumproot/osh mut
7 5 3 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.6 osh-native mut+alloc
9 3 6 10.5 osh-native mut+alloc+free
10 7 3 8.7 osh-native mut+alloc+free+gc
9 6 4 8.8 osh-native mut+alloc+free+gc+exit
9 4 4 10.9 osh-nosouffle mut+alloc
9 4 5 11.1 osh-nosouffle mut+alloc+free
10 6 4 9.0 osh-nosouffle mut+alloc+free+gc
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.9 _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
9 9 1 1.6 dash -
31 30 1 3.1 bash -
21 15 6 3.4 zsh -
17 12 5 32.4 bumpleak/osh mut
18 11 8 33.6 _bin/cxx-opt+bumproot/osh mut
21 16 5 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 15 14 27.0 osh-native mut+alloc
30 20 10 27.0 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 17 3 8.4 osh-native mut+alloc+free+gc+exit
34 24 10 27.3 osh-nosouffle mut+alloc
35 22 13 27.4 osh-nosouffle mut+alloc+free
25 21 4 8.8 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 26 20 36.8 _bin/cxx-opt+nopool/osh mut+alloc
30 27 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
105 102 3 3.5 bash -
213 157 56 56.2 bumpleak/osh mut
223 167 56 56.2 _bin/cxx-opt+bumproot/osh mut
241 182 59 58.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 193 65 48.8 osh-native mut+alloc
267 199 69 50.7 osh-native mut+alloc+free
224 178 46 8.9 osh-native mut+alloc+free+gc
224 177 47 9.0 osh-native mut+alloc+free+gc+exit
264 200 64 49.3 osh-nosouffle mut+alloc
273 198 75 51.3 osh-nosouffle mut+alloc+free
229 180 49 9.7 osh-nosouffle mut+alloc+free+gc
230 186 45 9.6 osh-nosouffle mut+alloc+free+gc+exit
284 201 82 65.7 _bin/cxx-opt+nopool/osh mut+alloc
252 204 49 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 5 3.9 dash -
16 7 9 4.7 bash -
16 5 11 3.9 zsh -
17 8 10 14.1 bumpleak/osh mut
18 7 11 12.4 _bin/cxx-opt+bumproot/osh mut
18 10 9 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 11 9 11.7 osh-native mut+alloc
21 9 12 11.7 osh-native mut+alloc+free
21 12 9 9.6 osh-native mut+alloc+free+gc
21 11 10 9.6 osh-native mut+alloc+free+gc+exit
20 10 11 12.2 osh-nosouffle mut+alloc
21 8 14 12.2 osh-nosouffle mut+alloc+free
21 11 11 10.0 osh-nosouffle mut+alloc+free+gc
22 15 8 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 12 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 14 10 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc