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 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 4 9 12.0 18.6 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 145 26 69 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 148 26 65 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 8.9 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 11 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 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 225 0 4 11.6 9.0 990,274 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 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 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
6 5 1 1.7 dash -
13 13 0 3.4 bash -
89 55 41 3.5 zsh -
15 10 5 29.6 bumpleak/osh mut
17 12 5 30.4 _bin/cxx-opt+bumproot/osh mut
19 15 4 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 14 11 25.4 osh-native mut+alloc
27 16 11 26.0 osh-native mut+alloc+free
32 26 6 18.4 osh-native mut+alloc+free+gc
33 26 7 18.2 osh-native mut+alloc+free+gc+exit
28 20 8 25.8 osh-nosouffle mut+alloc
30 20 10 26.5 osh-nosouffle mut+alloc+free
34 26 8 18.6 osh-nosouffle mut+alloc+free+gc
35 24 11 18.9 osh-nosouffle mut+alloc+free+gc+exit
39 24 15 32.5 _bin/cxx-opt+nopool/osh mut+alloc
44 32 13 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 22 1 1.7 dash -
42 41 1 3.4 bash -
329 175 177 3.7 zsh -
46 36 10 85.1 bumpleak/osh mut
49 42 7 86.4 _bin/cxx-opt+bumproot/osh mut
58 48 10 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 54 30 73.5 osh-native mut+alloc
91 58 33 75.5 osh-native mut+alloc+free
145 120 25 51.7 osh-native mut+alloc+free+gc
151 128 22 52.5 osh-native mut+alloc+free+gc+exit
92 66 26 74.2 osh-nosouffle mut+alloc
102 73 29 75.9 osh-nosouffle mut+alloc+free
148 127 21 52.3 osh-nosouffle mut+alloc+free+gc
153 137 16 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 78 50 98.9 _bin/cxx-opt+nopool/osh mut+alloc
198 168 30 72.6 _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 3 1 3.1 bash -
7 3 4 3.4 zsh -
6 2 4 12.7 bumpleak/osh mut
6 4 2 12.7 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
9 6 2 10.7 osh-native mut+alloc+free
10 6 4 8.9 osh-native mut+alloc+free+gc
10 6 4 8.9 osh-native mut+alloc+free+gc+exit
9 5 4 10.9 osh-nosouffle mut+alloc
9 4 6 11.0 osh-nosouffle mut+alloc+free
11 9 1 9.0 osh-nosouffle mut+alloc+free+gc
10 5 5 9.6 osh-nosouffle mut+alloc+free+gc+exit
11 4 7 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 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 30 1 3.3 bash -
21 14 8 3.3 zsh -
17 15 2 32.0 bumpleak/osh mut
19 12 7 33.2 _bin/cxx-opt+bumproot/osh mut
21 17 4 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 19 10 26.9 osh-native mut+alloc
31 20 11 27.2 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 23 10 27.3 osh-nosouffle mut+alloc
35 27 8 27.6 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 34 12 36.1 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 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
103 96 7 3.4 bash -
214 162 52 56.0 bumpleak/osh mut
222 170 52 56.2 _bin/cxx-opt+bumproot/osh mut
241 189 52 58.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 183 73 48.8 osh-native mut+alloc
263 185 78 50.7 osh-native mut+alloc+free
225 173 52 9.0 osh-native mut+alloc+free+gc
224 175 48 9.2 osh-native mut+alloc+free+gc+exit
265 189 76 49.3 osh-nosouffle mut+alloc
271 189 83 51.1 osh-nosouffle mut+alloc+free
229 181 48 9.7 osh-nosouffle mut+alloc+free+gc
231 182 48 9.7 osh-nosouffle mut+alloc+free+gc+exit
280 194 86 65.0 _bin/cxx-opt+nopool/osh mut+alloc
258 214 43 10.4 _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 4.1 dash -
16 9 7 4.7 bash -
15 8 8 3.9 zsh -
18 9 9 12.2 bumpleak/osh mut
19 6 14 13.8 _bin/cxx-opt+bumproot/osh mut
20 9 12 14.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 9 11 11.7 osh-native mut+alloc
21 9 12 11.8 osh-native mut+alloc+free
21 10 11 9.4 osh-native mut+alloc+free+gc
22 11 11 9.6 osh-native mut+alloc+free+gc+exit
21 10 11 12.1 osh-nosouffle mut+alloc
23 10 13 12.2 osh-nosouffle mut+alloc+free
22 12 10 10.0 osh-nosouffle mut+alloc+free+gc
22 14 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 13 11 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 13 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc