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 18.5 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 10 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 149 27 73 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 160 28 72 45.9 52.3 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,804 180 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 2 2.8 8.4 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.8 572,128 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 4 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 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.0 117,234 277 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 -
12 13 0 3.4 bash -
89 52 43 3.4 zsh -
15 11 4 28.6 bumpleak/osh mut
16 14 2 28.8 _bin/cxx-opt+bumproot/osh mut
19 13 6 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 16 10 25.4 osh-native mut+alloc
28 16 11 25.7 osh-native mut+alloc+free
33 26 7 18.5 osh-native mut+alloc+free+gc
33 24 9 18.4 osh-native mut+alloc+free+gc+exit
28 18 11 26.1 osh-nosouffle mut+alloc
31 19 12 26.2 osh-nosouffle mut+alloc+free
35 32 3 18.7 osh-nosouffle mut+alloc+free+gc
37 29 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 25 14 32.1 _bin/cxx-opt+nopool/osh mut+alloc
47 36 10 22.5 _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 1.6 dash -
42 40 2 3.4 bash -
322 177 169 3.5 zsh -
45 37 8 86.1 bumpleak/osh mut
48 35 13 86.2 _bin/cxx-opt+bumproot/osh mut
60 45 15 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 50 35 73.5 osh-native mut+alloc
93 60 33 75.5 osh-native mut+alloc+free
149 129 20 51.9 osh-native mut+alloc+free+gc
154 129 25 52.5 osh-native mut+alloc+free+gc+exit
94 65 29 74.2 osh-nosouffle mut+alloc
104 66 38 76.0 osh-nosouffle mut+alloc+free
160 134 26 52.3 osh-nosouffle mut+alloc+free+gc
161 139 22 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 81 46 97.9 _bin/cxx-opt+nopool/osh mut+alloc
238 203 35 72.2 _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 2 1 3.3 bash -
7 4 3 3.4 zsh -
6 5 1 13.0 bumpleak/osh mut
6 5 1 11.8 _bin/cxx-opt+bumproot/osh mut
8 3 4 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 2 6 10.5 osh-native mut+alloc
9 5 3 10.6 osh-native mut+alloc+free
9 7 2 8.8 osh-native mut+alloc+free+gc
10 8 2 8.8 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
9 8 1 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 9 2 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 6 6 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
10 9 1 1.6 dash -
31 30 1 3.3 bash -
22 18 4 3.4 zsh -
17 15 2 32.5 bumpleak/osh mut
18 16 2 32.1 _bin/cxx-opt+bumproot/osh mut
22 17 5 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 16 12 26.7 osh-native mut+alloc
30 24 6 27.2 osh-native mut+alloc+free
20 16 4 8.4 osh-native mut+alloc+free+gc
20 17 3 8.4 osh-native mut+alloc+free+gc+exit
33 20 13 27.4 osh-nosouffle mut+alloc
36 27 9 27.6 osh-nosouffle mut+alloc+free
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 29 16 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 28 2 9.9 _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 3.4 bash -
211 154 57 57.7 bumpleak/osh mut
221 177 45 57.1 _bin/cxx-opt+bumproot/osh mut
242 175 66 57.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 189 68 48.9 osh-native mut+alloc
265 185 79 50.9 osh-native mut+alloc+free
222 176 46 9.0 osh-native mut+alloc+free+gc
223 171 52 9.0 osh-native mut+alloc+free+gc+exit
262 196 66 49.2 osh-nosouffle mut+alloc
278 199 79 51.4 osh-nosouffle mut+alloc+free
228 184 44 9.6 osh-nosouffle mut+alloc+free+gc
232 192 40 9.7 osh-nosouffle mut+alloc+free+gc+exit
279 205 74 65.1 _bin/cxx-opt+nopool/osh mut+alloc
251 204 47 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 2 7 3.9 dash -
16 8 9 4.8 bash -
15 9 6 3.9 zsh -
18 8 10 13.1 bumpleak/osh mut
17 8 10 14.4 _bin/cxx-opt+bumproot/osh mut
18 9 10 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.7 osh-native mut+alloc
21 12 9 11.8 osh-native mut+alloc+free
21 12 10 9.4 osh-native mut+alloc+free+gc
21 12 9 9.7 osh-native mut+alloc+free+gc+exit
20 9 12 12.1 osh-nosouffle mut+alloc
22 11 12 12.2 osh-nosouffle mut+alloc+free
22 11 11 10.0 osh-nosouffle mut+alloc+free+gc
22 12 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 9 14 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 17 8 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc