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 34 5 11 12.0 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 36 5 11 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 148 26 72 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 165 27 80 45.9 52.1 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,780 180 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 21 0 2 2.8 8.1 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 25 0 2 2.8 8.8 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 8.9 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 229 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 9.4 117,208 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 22 1 2 3.0 10.0 117,207 277 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 7 0 1.6 dash -
13 13 0 3.4 bash -
90 52 45 3.4 zsh -
16 13 3 29.0 bumpleak/osh mut
17 12 5 30.1 _bin/cxx-opt+bumproot/osh mut
19 16 3 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 15 10 25.4 osh-native mut+alloc
27 18 9 25.8 osh-native mut+alloc+free
34 27 7 18.1 osh-native mut+alloc+free+gc
35 26 9 18.2 osh-native mut+alloc+free+gc+exit
28 18 10 26.0 osh-nosouffle mut+alloc
31 24 7 26.3 osh-nosouffle mut+alloc+free
36 28 8 18.7 osh-nosouffle mut+alloc+free+gc
37 33 4 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 27 12 33.6 _bin/cxx-opt+nopool/osh mut+alloc
51 42 8 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 1.7 dash -
42 40 2 3.4 bash -
329 194 158 3.5 zsh -
45 34 11 86.3 bumpleak/osh mut
49 43 6 85.0 _bin/cxx-opt+bumproot/osh mut
59 44 15 84.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 52 30 73.8 osh-native mut+alloc
92 63 29 75.5 osh-native mut+alloc+free
148 122 26 51.7 osh-native mut+alloc+free+gc
154 133 21 52.3 osh-native mut+alloc+free+gc+exit
91 50 41 74.1 osh-nosouffle mut+alloc
102 67 35 76.0 osh-nosouffle mut+alloc+free
165 141 24 52.1 osh-nosouffle mut+alloc+free+gc
160 133 27 52.9 osh-nosouffle mut+alloc+free+gc+exit
127 84 43 98.9 _bin/cxx-opt+nopool/osh mut+alloc
216 184 31 74.2 _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 2 3.3 bash -
6 2 4 3.4 zsh -
6 2 4 11.1 bumpleak/osh mut
7 3 4 12.5 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.4 osh-native mut+alloc
8 5 3 10.5 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
9 6 4 8.9 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
9 6 3 11.0 osh-nosouffle mut+alloc+free
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 4 7 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 6 6 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 0 1.4 dash -
31 29 2 3.3 bash -
21 14 7 3.3 zsh -
17 11 6 32.5 bumpleak/osh mut
19 15 4 33.5 _bin/cxx-opt+bumproot/osh mut
20 13 7 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 17 12 26.7 osh-native mut+alloc
30 21 9 27.0 osh-native mut+alloc+free
21 20 1 8.1 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
34 24 11 27.1 osh-nosouffle mut+alloc
36 25 11 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 25 0 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 29 15 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
105 98 7 3.4 bash -
214 161 53 56.6 bumpleak/osh mut
225 169 56 55.9 _bin/cxx-opt+bumproot/osh mut
243 178 65 58.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 187 68 48.8 osh-native mut+alloc
266 200 65 50.7 osh-native mut+alloc+free
222 178 44 8.9 osh-native mut+alloc+free+gc
223 178 45 9.2 osh-native mut+alloc+free+gc+exit
261 188 73 49.2 osh-nosouffle mut+alloc
270 205 65 51.1 osh-nosouffle mut+alloc+free
229 172 57 9.4 osh-nosouffle mut+alloc+free+gc
229 184 45 9.4 osh-nosouffle mut+alloc+free+gc+exit
281 199 83 65.9 _bin/cxx-opt+nopool/osh mut+alloc
256 197 59 10.7 _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 3 7 3.8 dash -
16 8 8 4.8 bash -
16 6 10 3.8 zsh -
19 5 14 13.0 bumpleak/osh mut
18 6 12 14.0 _bin/cxx-opt+bumproot/osh mut
19 10 10 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 12 8 11.4 osh-native mut+alloc
21 10 11 11.8 osh-native mut+alloc+free
21 10 12 9.4 osh-native mut+alloc+free+gc
21 12 10 9.6 osh-native mut+alloc+free+gc+exit
21 10 11 12.1 osh-nosouffle mut+alloc
22 14 8 12.2 osh-nosouffle mut+alloc+free
22 13 10 10.0 osh-nosouffle mut+alloc+free+gc
23 13 11 10.2 osh-nosouffle mut+alloc+free+gc+exit
24 12 12 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 15 10 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc