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 18.5 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 144 29 70 45.9 51.5 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 153 26 70 45.9 52.3 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 10 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 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 223 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 10.1 117,234 277 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 7 0 1.7 dash -
13 11 2 3.3 bash -
89 49 47 3.5 zsh -
15 10 5 30.6 bumpleak/osh mut
17 12 5 29.2 _bin/cxx-opt+bumproot/osh mut
19 15 4 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
27 17 11 25.6 osh-native mut+alloc
29 16 13 26.0 osh-native mut+alloc+free
32 28 4 18.5 osh-native mut+alloc+free+gc
33 25 8 18.4 osh-native mut+alloc+free+gc+exit
29 23 6 25.8 osh-nosouffle mut+alloc
31 18 13 26.3 osh-nosouffle mut+alloc+free
34 28 6 18.7 osh-nosouffle mut+alloc+free+gc
35 25 10 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 27 13 32.1 _bin/cxx-opt+nopool/osh mut+alloc
46 33 13 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 42 0 3.5 bash -
329 189 162 3.7 zsh -
45 37 8 85.4 bumpleak/osh mut
49 39 10 85.8 _bin/cxx-opt+bumproot/osh mut
59 49 10 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
86 51 35 73.7 osh-native mut+alloc
92 59 33 75.5 osh-native mut+alloc+free
144 116 28 51.5 osh-native mut+alloc+free+gc
142 122 20 52.4 osh-native mut+alloc+free+gc+exit
94 68 26 74.0 osh-nosouffle mut+alloc
104 73 31 75.9 osh-nosouffle mut+alloc+free
153 134 19 52.3 osh-nosouffle mut+alloc+free+gc
157 136 21 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 86 41 98.4 _bin/cxx-opt+nopool/osh mut+alloc
211 176 35 73.3 _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 1.6 dash -
4 4 0 3.1 bash -
7 5 1 3.4 zsh -
6 5 1 12.7 bumpleak/osh mut
6 4 2 13.1 _bin/cxx-opt+bumproot/osh mut
7 3 4 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.5 osh-native mut+alloc
9 5 4 10.7 osh-native mut+alloc+free
10 5 5 8.7 osh-native mut+alloc+free+gc
10 8 2 8.7 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
9 5 5 11.1 osh-nosouffle mut+alloc+free
10 8 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
13 8 5 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 30 1 3.1 bash -
22 12 10 3.4 zsh -
17 15 2 32.1 bumpleak/osh mut
18 14 4 32.0 _bin/cxx-opt+bumproot/osh mut
21 15 6 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 12 26.9 osh-native mut+alloc
31 22 9 27.0 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
20 18 2 8.4 osh-native mut+alloc+free+gc+exit
35 25 9 27.3 osh-nosouffle mut+alloc
36 23 13 27.5 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 32 14 36.7 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 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
103 99 4 3.5 bash -
214 151 63 57.7 bumpleak/osh mut
224 173 51 56.1 _bin/cxx-opt+bumproot/osh mut
240 176 64 58.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 192 65 48.9 osh-native mut+alloc
267 206 61 50.9 osh-native mut+alloc+free
223 166 56 9.0 osh-native mut+alloc+free+gc
222 172 49 9.0 osh-native mut+alloc+free+gc+exit
262 190 72 49.1 osh-nosouffle mut+alloc
271 199 72 51.4 osh-nosouffle mut+alloc+free
228 183 45 9.6 osh-nosouffle mut+alloc+free+gc
229 178 51 9.6 osh-nosouffle mut+alloc+free+gc+exit
282 214 68 65.0 _bin/cxx-opt+nopool/osh mut+alloc
252 193 59 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 5 3.8 dash -
16 11 6 4.8 bash -
16 5 11 3.9 zsh -
17 9 9 12.3 bumpleak/osh mut
18 9 9 12.6 _bin/cxx-opt+bumproot/osh mut
20 9 11 14.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 11 9 11.5 osh-native mut+alloc
21 11 11 11.7 osh-native mut+alloc+free
21 12 9 9.4 osh-native mut+alloc+free+gc
21 13 9 9.7 osh-native mut+alloc+free+gc+exit
21 11 11 12.1 osh-nosouffle mut+alloc
23 12 12 12.2 osh-nosouffle mut+alloc+free
22 10 13 10.1 osh-nosouffle mut+alloc+free+gc
23 11 13 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 13 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 16 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc