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 36 6 13 12.0 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 37 5 11 12.0 18.9 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 158 28 82 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 169 28 83 45.9 52.0 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 10 1 2 2.6 8.8 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 10 1 2 2.6 9.2 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.5 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 224 0 4 11.6 9.2 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 228 0 4 11.6 9.4 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.3 117,208 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,207 277 3 83,988 1 41,994 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 10 3 3.4 bash -
91 56 43 3.7 zsh -
16 13 3 28.5 bumpleak/osh mut
17 10 7 29.1 _bin/cxx-opt+bumproot/osh mut
20 15 4 30.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 13 12 25.6 osh-native mut+alloc
28 19 10 25.8 osh-native mut+alloc+free
36 29 7 18.1 osh-native mut+alloc+free+gc
36 30 6 18.2 osh-native mut+alloc+free+gc+exit
29 17 12 26.0 osh-nosouffle mut+alloc
31 19 13 26.3 osh-nosouffle mut+alloc+free
37 31 6 18.9 osh-nosouffle mut+alloc+free+gc
36 29 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 25 15 33.0 _bin/cxx-opt+nopool/osh mut+alloc
55 46 9 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 22 1 1.7 dash -
42 40 3 3.4 bash -
332 176 181 3.7 zsh -
47 38 9 85.6 bumpleak/osh mut
48 41 7 84.8 _bin/cxx-opt+bumproot/osh mut
60 46 13 87.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
86 52 35 73.5 osh-native mut+alloc
94 59 35 75.5 osh-native mut+alloc+free
158 136 22 51.7 osh-native mut+alloc+free+gc
169 149 20 52.4 osh-native mut+alloc+free+gc+exit
94 65 29 74.1 osh-nosouffle mut+alloc
104 67 37 75.9 osh-nosouffle mut+alloc+free
169 141 28 52.0 osh-nosouffle mut+alloc+free+gc
168 144 24 52.8 osh-nosouffle mut+alloc+free+gc+exit
125 87 38 99.5 _bin/cxx-opt+nopool/osh mut+alloc
219 184 35 71.3 _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 2 1 3.3 bash -
7 2 5 3.4 zsh -
6 4 3 11.9 bumpleak/osh mut
6 3 4 13.0 _bin/cxx-opt+bumproot/osh mut
8 4 4 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
9 4 4 10.6 osh-native mut+alloc+free
10 9 1 8.8 osh-native mut+alloc+free+gc
10 7 3 9.0 osh-native mut+alloc+free+gc+exit
9 8 1 10.9 osh-nosouffle mut+alloc
10 5 5 11.1 osh-nosouffle mut+alloc+free
10 6 5 9.2 osh-nosouffle mut+alloc+free+gc
11 7 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
12 4 8 11.9 _bin/cxx-opt+nopool/osh mut+alloc
13 9 4 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
10 9 1 1.4 dash -
31 30 1 3.3 bash -
21 16 5 3.5 zsh -
17 14 3 32.8 bumpleak/osh mut
18 16 2 32.0 _bin/cxx-opt+bumproot/osh mut
23 16 7 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 15 14 26.9 osh-native mut+alloc
31 19 12 27.0 osh-native mut+alloc+free
20 17 3 8.5 osh-native mut+alloc+free+gc
20 19 1 8.1 osh-native mut+alloc+free+gc+exit
34 21 13 27.1 osh-nosouffle mut+alloc
36 25 11 27.4 osh-nosouffle mut+alloc+free
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc+exit
47 27 20 36.6 _bin/cxx-opt+nopool/osh mut+alloc
31 27 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 98 6 3.4 bash -
215 162 53 56.4 bumpleak/osh mut
222 167 55 58.0 _bin/cxx-opt+bumproot/osh mut
241 186 55 56.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
260 195 65 48.8 osh-native mut+alloc
273 204 69 50.7 osh-native mut+alloc+free
224 172 51 9.2 osh-native mut+alloc+free+gc
225 173 52 9.2 osh-native mut+alloc+free+gc+exit
263 190 73 49.3 osh-nosouffle mut+alloc
273 198 75 51.3 osh-nosouffle mut+alloc+free
228 176 52 9.4 osh-nosouffle mut+alloc+free+gc
229 197 32 9.7 osh-nosouffle mut+alloc+free+gc+exit
280 185 96 65.8 _bin/cxx-opt+nopool/osh mut+alloc
274 233 42 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 4.1 dash -
16 8 9 4.8 bash -
16 6 10 4.1 zsh -
18 8 10 12.3 bumpleak/osh mut
20 8 12 14.0 _bin/cxx-opt+bumproot/osh mut
19 7 12 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 13 8 11.5 osh-native mut+alloc
21 11 10 11.7 osh-native mut+alloc+free
21 10 12 9.3 osh-native mut+alloc+free+gc
22 14 9 9.4 osh-native mut+alloc+free+gc+exit
21 10 11 12.1 osh-nosouffle mut+alloc
22 10 13 12.2 osh-nosouffle mut+alloc+free
22 15 8 10.1 osh-nosouffle mut+alloc+free+gc
23 10 13 10.1 osh-nosouffle mut+alloc+free+gc+exit
24 13 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 13 12 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc