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 18.2 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 10 12.0 18.7 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 133 23 59 45.9 51.6 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 146 25 64 45.9 52.1 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 1 2.8 8.3 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 24 0 2 2.8 8.7 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 221 0 3 11.6 9.2 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 227 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 21 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 7 0 1.8 dash -
13 12 1 3.4 bash -
90 57 39 3.5 zsh -
16 8 8 28.7 bumpleak/osh mut
16 12 4 29.7 _bin/cxx-opt+bumproot/osh mut
19 16 3 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 19 7 25.3 osh-native mut+alloc
28 20 8 26.0 osh-native mut+alloc+free
32 26 6 18.2 osh-native mut+alloc+free+gc
33 24 9 18.2 osh-native mut+alloc+free+gc+exit
28 17 12 26.0 osh-nosouffle mut+alloc
31 23 8 26.2 osh-nosouffle mut+alloc+free
35 28 7 18.7 osh-nosouffle mut+alloc+free+gc
35 26 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 30 9 32.1 _bin/cxx-opt+nopool/osh mut+alloc
45 35 10 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 3.5 bash -
321 184 159 3.5 zsh -
45 33 12 85.4 bumpleak/osh mut
48 41 7 85.9 _bin/cxx-opt+bumproot/osh mut
59 43 16 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 57 28 73.7 osh-native mut+alloc
93 49 44 75.4 osh-native mut+alloc+free
133 106 27 51.6 osh-native mut+alloc+free+gc
140 111 29 52.4 osh-native mut+alloc+free+gc+exit
92 66 26 74.2 osh-nosouffle mut+alloc
101 64 37 76.2 osh-nosouffle mut+alloc+free
146 120 26 52.1 osh-nosouffle mut+alloc+free+gc
147 120 27 52.9 osh-nosouffle mut+alloc+free+gc+exit
126 86 40 98.9 _bin/cxx-opt+nopool/osh mut+alloc
197 156 41 73.9 _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 1 3.1 bash -
6 4 2 3.3 zsh -
6 4 3 11.8 bumpleak/osh mut
6 3 4 11.8 _bin/cxx-opt+bumproot/osh mut
7 4 2 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 7 1 10.5 osh-native mut+alloc
8 4 4 10.6 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 7 3 8.8 osh-native mut+alloc+free+gc+exit
9 6 2 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 7 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 9.5 _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 29 2 3.1 bash -
21 18 3 3.4 zsh -
17 13 4 32.3 bumpleak/osh mut
19 15 4 33.5 _bin/cxx-opt+bumproot/osh mut
21 12 8 33.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 21 7 26.9 osh-native mut+alloc
31 19 12 27.3 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 15 5 8.4 osh-native mut+alloc+free+gc+exit
33 19 14 27.3 osh-nosouffle mut+alloc
35 24 11 27.7 osh-nosouffle mut+alloc+free
24 21 3 8.7 osh-nosouffle mut+alloc+free+gc
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 34 12 36.1 _bin/cxx-opt+nopool/osh mut+alloc
30 23 7 10.0 _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 99 5 3.3 bash -
212 160 52 57.3 bumpleak/osh mut
220 171 49 57.4 _bin/cxx-opt+bumproot/osh mut
240 180 60 58.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 182 76 48.8 osh-native mut+alloc
266 198 68 50.7 osh-native mut+alloc+free
221 174 46 9.2 osh-native mut+alloc+free+gc
222 170 52 9.2 osh-native mut+alloc+free+gc+exit
265 183 82 49.4 osh-nosouffle mut+alloc
269 201 67 51.4 osh-nosouffle mut+alloc+free
227 179 48 9.6 osh-nosouffle mut+alloc+free+gc
228 178 51 9.6 osh-nosouffle mut+alloc+free+gc+exit
280 189 90 64.2 _bin/cxx-opt+nopool/osh mut+alloc
255 203 52 10.7 _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 2 7 4.1 dash -
16 12 4 4.8 bash -
15 8 8 3.9 zsh -
18 9 10 13.1 bumpleak/osh mut
19 10 10 13.2 _bin/cxx-opt+bumproot/osh mut
19 12 7 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.5 osh-native mut+alloc
21 12 9 11.8 osh-native mut+alloc+free
21 12 9 9.6 osh-native mut+alloc+free+gc
21 12 9 9.7 osh-native mut+alloc+free+gc+exit
20 10 11 11.9 osh-nosouffle mut+alloc
21 11 11 12.2 osh-nosouffle mut+alloc+free
21 11 11 10.0 osh-nosouffle mut+alloc+free+gc
22 15 8 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 14 10 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 12 12 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc