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 18.5 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 38 6 12 12.0 18.6 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 150 27 74 45.9 51.9 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 157 28 72 45.9 52.0 1,638,013 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,803 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.2 102,803 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.4 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.5 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 223 0 4 11.6 9.0 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 230 0 4 11.6 9.6 990,272 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,234 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.0 117,233 277 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 13 0 3.3 bash -
91 52 46 3.5 zsh -
16 14 2 30.4 bumpleak/osh mut
17 13 3 29.2 _bin/cxx-opt+bumproot/osh mut
19 15 4 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 11 25.4 osh-native mut+alloc
29 19 10 25.8 osh-native mut+alloc+free
33 23 10 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
31 20 11 26.3 osh-nosouffle mut+alloc+free
38 29 9 18.6 osh-nosouffle mut+alloc+free+gc
36 30 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 18 22 33.1 _bin/cxx-opt+nopool/osh mut+alloc
50 32 18 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 -
326 173 176 3.8 zsh -
46 40 6 85.4 bumpleak/osh mut
48 40 8 85.3 _bin/cxx-opt+bumproot/osh mut
59 45 14 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 51 33 73.7 osh-native mut+alloc
92 60 32 75.5 osh-native mut+alloc+free
150 122 28 51.9 osh-native mut+alloc+free+gc
154 128 26 52.5 osh-native mut+alloc+free+gc+exit
92 65 28 74.2 osh-nosouffle mut+alloc
101 71 30 75.8 osh-nosouffle mut+alloc+free
157 132 25 52.0 osh-nosouffle mut+alloc+free+gc
161 137 24 52.9 osh-nosouffle mut+alloc+free+gc+exit
124 82 42 99.4 _bin/cxx-opt+nopool/osh mut+alloc
208 179 29 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 2 0 1.7 dash -
4 3 1 3.0 bash -
6 3 4 3.3 zsh -
7 7 0 12.3 bumpleak/osh mut
6 2 4 11.6 _bin/cxx-opt+bumproot/osh mut
7 4 3 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 7 1 10.5 osh-native mut+alloc
8 7 1 10.7 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
9 6 3 8.9 osh-native mut+alloc+free+gc+exit
9 4 5 11.0 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 9 2 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 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 1.6 dash -
30 29 1 3.3 bash -
21 15 6 3.4 zsh -
17 12 5 33.6 bumpleak/osh mut
19 16 3 33.4 _bin/cxx-opt+bumproot/osh mut
21 14 7 33.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 18 11 26.9 osh-native mut+alloc
31 19 12 27.1 osh-native mut+alloc+free
20 19 1 8.4 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
33 19 15 27.3 osh-nosouffle mut+alloc
37 22 15 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.5 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 31 15 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 24 6 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
105 101 4 3.5 bash -
213 159 54 56.4 bumpleak/osh mut
224 166 58 56.9 _bin/cxx-opt+bumproot/osh mut
239 180 59 57.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
259 209 50 48.8 osh-native mut+alloc
264 191 73 50.7 osh-native mut+alloc+free
223 169 54 9.0 osh-native mut+alloc+free+gc
225 172 53 9.0 osh-native mut+alloc+free+gc+exit
264 194 70 49.2 osh-nosouffle mut+alloc
276 194 82 51.3 osh-nosouffle mut+alloc+free
230 174 56 9.6 osh-nosouffle mut+alloc+free+gc
231 181 50 9.6 osh-nosouffle mut+alloc+free+gc+exit
281 201 80 64.3 _bin/cxx-opt+nopool/osh mut+alloc
252 198 54 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 7 9 4.7 bash -
16 7 9 3.9 zsh -
19 9 10 13.0 bumpleak/osh mut
19 9 10 13.3 _bin/cxx-opt+bumproot/osh mut
21 11 11 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 9 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
21 10 12 9.7 osh-native mut+alloc+free+gc+exit
20 6 15 12.1 osh-nosouffle mut+alloc
22 10 13 12.3 osh-nosouffle mut+alloc+free
22 13 9 10.0 osh-nosouffle mut+alloc+free+gc
22 14 9 10.0 osh-nosouffle mut+alloc+free+gc+exit
24 11 14 12.9 _bin/cxx-opt+nopool/osh mut+alloc
24 13 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc