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 34 3 9 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 130 24 58 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 145 26 62 45.9 52.2 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 1 2.8 8.1 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 30 0 1 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 222 0 3 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 229 0 3 11.6 9.6 990,273 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
7 5 1 1.7 dash -
13 13 0 3.4 bash -
90 52 45 3.5 zsh -
15 13 2 29.9 bumpleak/osh mut
16 14 2 29.7 _bin/cxx-opt+bumproot/osh mut
20 16 4 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 20 5 25.4 osh-native mut+alloc
27 19 9 25.8 osh-native mut+alloc+free
31 25 6 18.2 osh-native mut+alloc+free+gc
32 27 5 18.2 osh-native mut+alloc+free+gc+exit
29 19 10 26.0 osh-nosouffle mut+alloc
30 22 8 26.3 osh-nosouffle mut+alloc+free
34 27 7 18.7 osh-nosouffle mut+alloc+free+gc
35 26 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 22 17 33.4 _bin/cxx-opt+nopool/osh mut+alloc
43 31 13 22.4 _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 41 2 3.4 bash -
326 182 167 3.7 zsh -
45 34 11 85.2 bumpleak/osh mut
50 41 9 86.3 _bin/cxx-opt+bumproot/osh mut
59 46 13 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 54 30 73.7 osh-native mut+alloc
90 59 31 75.5 osh-native mut+alloc+free
130 112 18 51.7 osh-native mut+alloc+free+gc
138 113 25 52.4 osh-native mut+alloc+free+gc+exit
92 66 26 74.2 osh-nosouffle mut+alloc
100 71 29 76.0 osh-nosouffle mut+alloc+free
145 117 28 52.2 osh-nosouffle mut+alloc+free+gc
145 124 21 52.9 osh-nosouffle mut+alloc+free+gc+exit
125 80 45 98.6 _bin/cxx-opt+nopool/osh mut+alloc
190 155 35 73.7 _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 1 1 1.7 dash -
4 2 2 3.3 bash -
6 4 3 3.4 zsh -
6 4 2 11.5 bumpleak/osh mut
6 5 1 12.9 _bin/cxx-opt+bumproot/osh mut
6 3 4 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.6 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 7 2 8.8 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 5 5 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 9.6 _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 1.4 dash -
31 30 1 3.1 bash -
21 18 3 3.3 zsh -
17 13 3 33.4 bumpleak/osh mut
18 14 4 33.0 _bin/cxx-opt+bumproot/osh mut
21 13 8 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 16 12 26.9 osh-native mut+alloc
32 19 12 27.1 osh-native mut+alloc+free
20 17 3 8.1 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
32 24 9 27.3 osh-nosouffle mut+alloc
35 23 12 27.7 osh-nosouffle mut+alloc+free
30 29 1 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 25 20 36.4 _bin/cxx-opt+nopool/osh mut+alloc
30 24 6 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 98 6 3.4 bash -
213 154 59 57.2 bumpleak/osh mut
221 169 52 57.0 _bin/cxx-opt+bumproot/osh mut
238 173 65 57.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 187 69 48.7 osh-native mut+alloc
266 197 69 50.7 osh-native mut+alloc+free
222 174 48 9.2 osh-native mut+alloc+free+gc
221 179 42 8.9 osh-native mut+alloc+free+gc+exit
263 194 69 49.3 osh-nosouffle mut+alloc
269 200 69 51.3 osh-nosouffle mut+alloc+free
229 185 44 9.6 osh-nosouffle mut+alloc+free+gc
227 185 42 9.4 osh-nosouffle mut+alloc+free+gc+exit
280 204 76 65.0 _bin/cxx-opt+nopool/osh mut+alloc
250 198 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 5 4 3.9 dash -
16 9 7 4.8 bash -
16 8 9 4.1 zsh -
17 7 10 14.1 bumpleak/osh mut
19 8 12 13.8 _bin/cxx-opt+bumproot/osh mut
18 9 10 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 10 11.5 osh-native mut+alloc
21 9 13 11.8 osh-native mut+alloc+free
20 12 9 9.4 osh-native mut+alloc+free+gc
21 9 13 9.6 osh-native mut+alloc+free+gc+exit
20 10 10 12.2 osh-nosouffle mut+alloc
22 10 12 12.3 osh-nosouffle mut+alloc+free
21 10 12 10.1 osh-nosouffle mut+alloc+free+gc
22 11 12 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 10 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 16 8 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc