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 9 12.0 18.4 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 10 12.0 18.6 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 150 29 74 45.9 51.7 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 171 30 86 45.9 52.3 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 9.0 102,803 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 1 2.8 8.8 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 222 0 3 11.6 9.2 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 231 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 9.7 117,234 277 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 1.6 dash -
13 12 1 3.4 bash -
89 53 44 3.5 zsh -
16 11 5 29.1 bumpleak/osh mut
17 12 4 28.9 _bin/cxx-opt+bumproot/osh mut
20 11 9 30.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 8 25.4 osh-native mut+alloc
28 17 11 26.0 osh-native mut+alloc+free
32 23 9 18.4 osh-native mut+alloc+free+gc
33 28 5 18.2 osh-native mut+alloc+free+gc+exit
29 17 13 26.0 osh-nosouffle mut+alloc
30 19 11 26.2 osh-nosouffle mut+alloc+free
35 26 9 18.6 osh-nosouffle mut+alloc+free+gc
37 32 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
38 28 11 32.2 _bin/cxx-opt+nopool/osh mut+alloc
48 37 11 23.1 _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 -
43 42 1 3.4 bash -
337 203 158 3.7 zsh -
46 36 10 84.6 bumpleak/osh mut
48 38 10 86.8 _bin/cxx-opt+bumproot/osh mut
59 41 18 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 50 35 73.7 osh-native mut+alloc
94 56 37 75.6 osh-native mut+alloc+free
150 132 18 51.7 osh-native mut+alloc+free+gc
158 134 23 52.4 osh-native mut+alloc+free+gc+exit
93 58 35 74.2 osh-nosouffle mut+alloc
102 68 35 76.0 osh-nosouffle mut+alloc+free
171 144 27 52.3 osh-nosouffle mut+alloc+free+gc
176 149 27 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 73 54 98.3 _bin/cxx-opt+nopool/osh mut+alloc
223 191 32 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 1 1 1.8 dash -
4 3 1 3.0 bash -
7 5 2 3.5 zsh -
7 2 5 12.4 bumpleak/osh mut
7 5 2 12.5 _bin/cxx-opt+bumproot/osh mut
7 1 6 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.6 osh-native mut+alloc
8 3 6 10.6 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
9 5 4 10.9 osh-nosouffle mut+alloc
9 7 2 11.3 osh-nosouffle mut+alloc+free
10 7 4 9.0 osh-nosouffle mut+alloc+free+gc
10 9 1 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 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
9 8 2 1.6 dash -
31 30 1 3.3 bash -
21 16 5 3.4 zsh -
17 13 4 32.2 bumpleak/osh mut
18 13 5 32.5 _bin/cxx-opt+bumproot/osh mut
20 13 7 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 17 12 26.9 osh-native mut+alloc
31 21 10 27.1 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
33 23 11 27.4 osh-nosouffle mut+alloc
36 25 11 27.6 osh-nosouffle mut+alloc+free
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc+exit
45 24 21 36.2 _bin/cxx-opt+nopool/osh mut+alloc
29 25 4 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
103 101 2 3.4 bash -
212 175 37 57.7 bumpleak/osh mut
228 178 49 56.4 _bin/cxx-opt+bumproot/osh mut
239 177 62 58.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 199 58 48.8 osh-native mut+alloc
264 199 65 50.7 osh-native mut+alloc+free
222 181 42 9.2 osh-native mut+alloc+free+gc
223 172 51 9.0 osh-native mut+alloc+free+gc+exit
262 195 67 49.2 osh-nosouffle mut+alloc
272 187 84 51.4 osh-nosouffle mut+alloc+free
231 184 46 9.6 osh-nosouffle mut+alloc+free+gc
230 182 48 9.6 osh-nosouffle mut+alloc+free+gc+exit
279 193 85 65.9 _bin/cxx-opt+nopool/osh mut+alloc
256 207 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 5 5 3.8 dash -
16 9 7 4.8 bash -
16 4 12 3.9 zsh -
19 7 12 13.1 bumpleak/osh mut
18 9 10 12.7 _bin/cxx-opt+bumproot/osh mut
20 11 10 14.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 9 11 11.5 osh-native mut+alloc
21 12 10 11.8 osh-native mut+alloc+free
21 13 9 9.7 osh-native mut+alloc+free+gc
21 10 12 9.7 osh-native mut+alloc+free+gc+exit
21 13 9 12.1 osh-nosouffle mut+alloc
22 14 9 12.2 osh-nosouffle mut+alloc+free
22 12 11 10.0 osh-nosouffle mut+alloc+free+gc
22 10 13 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 9 15 13.1 _bin/cxx-opt+nopool/osh mut+alloc
25 13 12 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc