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 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 3 10 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 132 23 59 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 147 26 64 45.9 52.1 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,804 180 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 8.1 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 1 2.8 8.9 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 228 0 3 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 9.4 117,259 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,258 277 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 12 1 3.3 bash -
89 48 49 3.5 zsh -
15 11 4 29.6 bumpleak/osh mut
16 12 4 29.3 _bin/cxx-opt+bumproot/osh mut
19 11 8 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 13 13 25.6 osh-native mut+alloc
27 19 8 25.8 osh-native mut+alloc+free
32 23 9 18.4 osh-native mut+alloc+free+gc
32 26 6 18.2 osh-native mut+alloc+free+gc+exit
28 19 10 26.1 osh-nosouffle mut+alloc
31 22 9 26.3 osh-nosouffle mut+alloc+free
34 25 9 18.7 osh-nosouffle mut+alloc+free+gc
34 26 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
38 24 14 32.7 _bin/cxx-opt+nopool/osh mut+alloc
44 35 9 22.9 _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 23 0 1.7 dash -
43 42 1 3.4 bash -
327 196 154 3.8 zsh -
46 37 9 85.6 bumpleak/osh mut
49 39 10 85.7 _bin/cxx-opt+bumproot/osh mut
58 45 13 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 52 30 73.7 osh-native mut+alloc
91 62 29 75.5 osh-native mut+alloc+free
132 106 26 51.7 osh-native mut+alloc+free+gc
134 108 25 52.5 osh-native mut+alloc+free+gc+exit
91 56 35 74.1 osh-nosouffle mut+alloc
99 72 27 75.9 osh-nosouffle mut+alloc+free
147 122 25 52.1 osh-nosouffle mut+alloc+free+gc
152 129 23 52.9 osh-nosouffle mut+alloc+free+gc+exit
123 70 54 98.1 _bin/cxx-opt+nopool/osh mut+alloc
201 172 29 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 1.7 dash -
4 2 2 3.1 bash -
7 6 0 3.4 zsh -
6 4 2 11.7 bumpleak/osh mut
6 4 2 13.3 _bin/cxx-opt+bumproot/osh mut
7 3 4 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 3 10.5 osh-native mut+alloc
8 3 5 10.6 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
8 7 1 10.9 osh-nosouffle mut+alloc
9 4 5 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.6 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.8 _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 0 1.4 dash -
31 30 1 3.1 bash -
21 15 6 3.3 zsh -
17 13 4 33.0 bumpleak/osh mut
19 12 7 32.9 _bin/cxx-opt+bumproot/osh mut
21 19 2 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 22 6 26.9 osh-native mut+alloc
30 17 13 27.0 osh-native mut+alloc+free
20 16 4 8.1 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 22 11 27.1 osh-nosouffle mut+alloc
35 29 7 27.7 osh-nosouffle mut+alloc+free
25 24 1 8.9 osh-nosouffle mut+alloc+free+gc
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 22 23 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 26 4 9.7 _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
104 101 3 3.4 bash -
214 166 48 56.8 bumpleak/osh mut
219 158 61 57.4 _bin/cxx-opt+bumproot/osh mut
241 173 68 58.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 190 67 48.8 osh-native mut+alloc
269 198 71 50.7 osh-native mut+alloc+free
222 175 47 9.0 osh-native mut+alloc+free+gc
221 172 49 9.0 osh-native mut+alloc+free+gc+exit
264 196 68 49.4 osh-nosouffle mut+alloc
270 199 71 51.3 osh-nosouffle mut+alloc+free
228 177 51 9.6 osh-nosouffle mut+alloc+free+gc
228 186 42 9.6 osh-nosouffle mut+alloc+free+gc+exit
279 201 79 65.3 _bin/cxx-opt+nopool/osh mut+alloc
250 194 56 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 4 3.9 dash -
16 8 9 4.8 bash -
16 9 7 3.9 zsh -
18 8 10 12.5 bumpleak/osh mut
18 9 9 14.2 _bin/cxx-opt+bumproot/osh mut
20 9 12 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.5 osh-native mut+alloc
21 9 12 11.7 osh-native mut+alloc+free
21 13 9 9.4 osh-native mut+alloc+free+gc
22 12 11 9.6 osh-native mut+alloc+free+gc+exit
21 11 10 12.2 osh-nosouffle mut+alloc
22 10 13 12.3 osh-nosouffle mut+alloc+free
22 10 13 10.1 osh-nosouffle mut+alloc+free+gc
23 8 15 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 14 9 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 15 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc