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 31 3 9 12.0 18.1 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 11 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 137 27 63 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 148 24 66 45.9 52.3 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,804 180 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 1 2.8 8.4 572,128 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 224 0 4 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 232 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 9.6 117,235 277 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 6 0 1.6 dash -
13 12 1 3.3 bash -
90 56 41 3.5 zsh -
16 13 3 28.8 bumpleak/osh mut
16 12 4 30.2 _bin/cxx-opt+bumproot/osh mut
20 13 7 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 14 11 25.6 osh-native mut+alloc
28 18 10 25.8 osh-native mut+alloc+free
31 22 9 18.1 osh-native mut+alloc+free+gc
32 23 9 18.4 osh-native mut+alloc+free+gc+exit
28 13 15 25.8 osh-nosouffle mut+alloc
30 19 11 26.2 osh-nosouffle mut+alloc+free
35 29 6 18.7 osh-nosouffle mut+alloc+free+gc
36 27 9 18.9 osh-nosouffle mut+alloc+free+gc+exit
40 22 18 32.4 _bin/cxx-opt+nopool/osh mut+alloc
45 35 10 22.6 _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 -
328 203 148 3.8 zsh -
46 35 10 85.3 bumpleak/osh mut
49 40 9 85.9 _bin/cxx-opt+bumproot/osh mut
59 43 16 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 51 31 73.5 osh-native mut+alloc
91 61 31 75.5 osh-native mut+alloc+free
137 111 26 51.7 osh-native mut+alloc+free+gc
154 134 20 52.4 osh-native mut+alloc+free+gc+exit
91 57 34 74.1 osh-nosouffle mut+alloc
104 74 30 75.9 osh-nosouffle mut+alloc+free
148 120 28 52.3 osh-nosouffle mut+alloc+free+gc
156 137 19 52.8 osh-nosouffle mut+alloc+free+gc+exit
126 77 49 98.4 _bin/cxx-opt+nopool/osh mut+alloc
198 171 27 72.5 _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 3 1 3.1 bash -
7 3 4 3.4 zsh -
6 3 3 11.6 bumpleak/osh mut
6 3 3 12.5 _bin/cxx-opt+bumproot/osh mut
7 5 2 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.6 osh-native mut+alloc
8 3 5 10.6 osh-native mut+alloc+free
9 8 1 8.8 osh-native mut+alloc+free+gc
9 8 1 8.7 osh-native mut+alloc+free+gc+exit
9 5 3 10.9 osh-nosouffle mut+alloc
9 8 1 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 3 8 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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 10 0 1.4 dash -
31 31 0 3.3 bash -
21 18 3 3.5 zsh -
17 11 6 33.1 bumpleak/osh mut
18 13 5 33.7 _bin/cxx-opt+bumproot/osh mut
21 17 4 33.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 10 27.0 osh-native mut+alloc
30 22 8 27.3 osh-native mut+alloc+free
20 17 3 8.4 osh-native mut+alloc+free+gc
20 18 2 8.1 osh-native mut+alloc+free+gc+exit
33 24 9 27.3 osh-nosouffle mut+alloc
35 21 14 27.4 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 36 11 36.1 _bin/cxx-opt+nopool/osh mut+alloc
31 28 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
104 102 2 3.4 bash -
213 163 50 56.8 bumpleak/osh mut
222 173 49 57.0 _bin/cxx-opt+bumproot/osh mut
240 183 57 58.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
261 179 82 48.9 osh-native mut+alloc
266 193 74 50.9 osh-native mut+alloc+free
224 164 60 9.0 osh-native mut+alloc+free+gc
222 186 36 9.0 osh-native mut+alloc+free+gc+exit
267 203 65 49.3 osh-nosouffle mut+alloc
273 206 67 51.3 osh-nosouffle mut+alloc+free
232 181 51 9.6 osh-nosouffle mut+alloc+free+gc
229 183 46 9.7 osh-nosouffle mut+alloc+free+gc+exit
276 189 87 65.2 _bin/cxx-opt+nopool/osh mut+alloc
253 203 50 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 5 5 4.1 dash -
16 9 7 4.8 bash -
16 8 8 3.9 zsh -
19 8 11 13.7 bumpleak/osh mut
19 9 10 13.2 _bin/cxx-opt+bumproot/osh mut
20 6 14 13.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 11 11.7 osh-native mut+alloc
21 9 12 11.7 osh-native mut+alloc+free
21 10 11 9.6 osh-native mut+alloc+free+gc
22 13 9 9.6 osh-native mut+alloc+free+gc+exit
21 11 11 12.2 osh-nosouffle mut+alloc
22 12 11 12.2 osh-nosouffle mut+alloc+free
22 9 13 10.0 osh-nosouffle mut+alloc+free+gc
22 10 13 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 16 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc