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 18.1 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 36 5 11 12.0 18.7 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 147 28 73 45.9 51.9 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 146 25 63 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 8.5 102,803 180 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 228 0 4 11.6 9.2 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 237 0 4 11.6 9.7 990,272 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 7 0 1.6 dash -
13 12 1 3.3 bash -
91 42 55 3.5 zsh -
16 12 4 28.8 bumpleak/osh mut
17 12 5 30.5 _bin/cxx-opt+bumproot/osh mut
20 16 4 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 8 25.4 osh-native mut+alloc
28 15 13 25.8 osh-native mut+alloc+free
33 23 10 18.1 osh-native mut+alloc+free+gc
34 29 5 18.2 osh-native mut+alloc+free+gc+exit
28 19 9 25.8 osh-nosouffle mut+alloc
30 19 12 26.3 osh-nosouffle mut+alloc+free
36 31 5 18.7 osh-nosouffle mut+alloc+free+gc
36 29 6 18.8 osh-nosouffle mut+alloc+free+gc+exit
40 23 17 32.2 _bin/cxx-opt+nopool/osh mut+alloc
47 35 12 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 21 2 1.7 dash -
42 41 1 3.5 bash -
332 199 155 3.7 zsh -
46 34 12 85.7 bumpleak/osh mut
49 37 12 85.2 _bin/cxx-opt+bumproot/osh mut
58 44 14 85.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 53 29 73.7 osh-native mut+alloc
89 56 34 75.6 osh-native mut+alloc+free
147 122 25 51.9 osh-native mut+alloc+free+gc
153 127 26 52.5 osh-native mut+alloc+free+gc+exit
90 54 37 74.1 osh-nosouffle mut+alloc
99 68 30 75.9 osh-nosouffle mut+alloc+free
146 127 19 52.1 osh-nosouffle mut+alloc+free+gc
163 140 22 52.9 osh-nosouffle mut+alloc+free+gc+exit
125 80 46 98.4 _bin/cxx-opt+nopool/osh mut+alloc
201 172 29 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 1.7 dash -
4 4 0 3.1 bash -
7 2 4 3.4 zsh -
6 5 1 12.7 bumpleak/osh mut
6 4 3 11.6 _bin/cxx-opt+bumproot/osh mut
7 4 3 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.6 osh-native mut+alloc
8 5 3 10.7 osh-native mut+alloc+free
9 8 1 8.5 osh-native mut+alloc+free+gc
10 7 3 8.8 osh-native mut+alloc+free+gc+exit
9 4 5 11.0 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
10 6 4 9.0 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 4 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 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
10 9 1 1.6 dash -
31 29 2 3.3 bash -
22 14 7 3.4 zsh -
16 13 4 31.7 bumpleak/osh mut
18 15 3 32.3 _bin/cxx-opt+bumproot/osh mut
21 18 2 33.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 16 13 26.7 osh-native mut+alloc
31 19 12 27.1 osh-native mut+alloc+free
20 17 4 8.3 osh-native mut+alloc+free+gc
20 16 5 8.4 osh-native mut+alloc+free+gc+exit
34 24 9 27.1 osh-nosouffle mut+alloc
35 28 7 27.6 osh-nosouffle mut+alloc+free
25 21 4 8.8 osh-nosouffle mut+alloc+free+gc
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
48 26 22 36.4 _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
104 102 2 3.4 bash -
214 180 34 56.7 bumpleak/osh mut
221 168 52 57.0 _bin/cxx-opt+bumproot/osh mut
239 180 59 58.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
264 194 70 48.8 osh-native mut+alloc
270 213 58 50.7 osh-native mut+alloc+free
228 180 48 9.2 osh-native mut+alloc+free+gc
229 182 47 9.2 osh-native mut+alloc+free+gc+exit
269 206 63 49.3 osh-nosouffle mut+alloc
279 206 73 51.3 osh-nosouffle mut+alloc+free
237 189 48 9.7 osh-nosouffle mut+alloc+free+gc
233 181 52 9.6 osh-nosouffle mut+alloc+free+gc+exit
288 202 86 64.9 _bin/cxx-opt+nopool/osh mut+alloc
268 216 52 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 7 3.8 dash -
16 6 10 4.8 bash -
20 9 9 3.9 zsh -
18 10 8 12.4 bumpleak/osh mut
19 8 12 13.5 _bin/cxx-opt+bumproot/osh mut
19 7 12 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 11 10 11.7 osh-native mut+alloc
21 8 14 11.7 osh-native mut+alloc+free
21 10 12 9.6 osh-native mut+alloc+free+gc
21 12 10 9.6 osh-native mut+alloc+free+gc+exit
20 10 11 12.2 osh-nosouffle mut+alloc
22 13 9 11.9 osh-nosouffle mut+alloc+free
22 12 11 10.0 osh-nosouffle mut+alloc+free+gc
23 12 11 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 14 10 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 13 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc