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 31 3 9 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 33 3 9 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 135 24 62 45.9 51.8 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 142 23 58 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 9.0 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 24 0 1 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 223 0 3 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 228 0 4 11.6 9.7 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,259 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 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
6 6 1 1.6 dash -
13 12 1 3.3 bash -
91 49 48 3.5 zsh -
15 11 4 30.0 bumpleak/osh mut
17 13 4 29.0 _bin/cxx-opt+bumproot/osh mut
19 13 7 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 16 9 25.4 osh-native mut+alloc
27 18 9 25.8 osh-native mut+alloc+free
31 23 8 18.2 osh-native mut+alloc+free+gc
32 27 5 18.5 osh-native mut+alloc+free+gc+exit
28 16 12 26.0 osh-nosouffle mut+alloc
30 19 11 26.2 osh-nosouffle mut+alloc+free
33 28 5 18.7 osh-nosouffle mut+alloc+free+gc
35 27 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 22 17 32.6 _bin/cxx-opt+nopool/osh mut+alloc
45 30 15 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 22 1 1.6 dash -
43 42 1 3.4 bash -
323 181 164 3.7 zsh -
46 39 7 85.2 bumpleak/osh mut
49 40 9 85.4 _bin/cxx-opt+bumproot/osh mut
59 48 11 86.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 49 34 73.8 osh-native mut+alloc
90 57 33 75.6 osh-native mut+alloc+free
135 105 30 51.8 osh-native mut+alloc+free+gc
147 123 24 52.5 osh-native mut+alloc+free+gc+exit
93 64 29 74.2 osh-nosouffle mut+alloc
100 71 28 76.0 osh-nosouffle mut+alloc+free
142 114 27 52.1 osh-nosouffle mut+alloc+free+gc
146 127 19 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 73 54 98.9 _bin/cxx-opt+nopool/osh mut+alloc
192 160 31 74.7 _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 1.6 dash -
4 4 0 3.1 bash -
6 6 0 3.4 zsh -
6 4 2 11.5 bumpleak/osh mut
6 5 1 11.6 _bin/cxx-opt+bumproot/osh mut
6 5 1 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.6 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 8 1 8.7 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
9 8 1 11.0 osh-nosouffle mut+alloc
9 6 3 10.9 osh-nosouffle mut+alloc+free
10 10 0 9.0 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 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
9 8 1 1.7 dash -
31 29 2 3.3 bash -
21 14 7 3.5 zsh -
16 11 5 33.5 bumpleak/osh mut
18 15 3 32.8 _bin/cxx-opt+bumproot/osh mut
21 16 5 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 9 26.7 osh-native mut+alloc
30 19 11 27.0 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
26 25 1 8.3 osh-native mut+alloc+free+gc+exit
33 23 10 27.4 osh-nosouffle mut+alloc
34 24 11 27.5 osh-nosouffle mut+alloc+free
24 19 5 8.7 osh-nosouffle mut+alloc+free+gc
24 21 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 31 16 36.1 _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
103 97 6 3.5 bash -
215 171 44 56.5 bumpleak/osh mut
222 164 57 56.8 _bin/cxx-opt+bumproot/osh mut
240 192 48 57.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 183 74 48.8 osh-native mut+alloc
265 200 64 50.9 osh-native mut+alloc+free
223 176 46 9.0 osh-native mut+alloc+free+gc
222 179 43 9.0 osh-native mut+alloc+free+gc+exit
262 197 65 49.2 osh-nosouffle mut+alloc
267 204 63 51.3 osh-nosouffle mut+alloc+free
228 178 50 9.7 osh-nosouffle mut+alloc+free+gc
229 194 35 9.7 osh-nosouffle mut+alloc+free+gc+exit
279 206 73 65.6 _bin/cxx-opt+nopool/osh mut+alloc
253 213 40 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 4 6 3.9 dash -
16 9 7 4.8 bash -
16 6 10 4.1 zsh -
17 7 10 12.6 bumpleak/osh mut
19 8 12 13.2 _bin/cxx-opt+bumproot/osh mut
20 7 14 14.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.7 osh-native mut+alloc
20 6 15 11.8 osh-native mut+alloc+free
20 12 8 9.4 osh-native mut+alloc+free+gc
21 9 12 9.6 osh-native mut+alloc+free+gc+exit
21 7 14 12.2 osh-nosouffle mut+alloc
21 9 13 12.2 osh-nosouffle mut+alloc+free
21 10 12 10.1 osh-nosouffle mut+alloc+free+gc
22 8 14 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 12 11 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 11 13 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc