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 18.4 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 35 3 10 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 139 25 65 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 154 26 70 45.9 52.0 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 9 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 8.3 572,104 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 222 0 3 11.6 9.0 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 230 0 4 11.6 9.6 990,249 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 10.1 117,207 277 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
6 6 0 1.7 dash -
13 13 0 3.4 bash -
91 52 46 3.5 zsh -
15 11 4 28.6 bumpleak/osh mut
16 12 4 29.8 _bin/cxx-opt+bumproot/osh mut
19 11 8 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 8 25.4 osh-native mut+alloc
27 15 12 25.8 osh-native mut+alloc+free
31 25 6 18.4 osh-native mut+alloc+free+gc
32 29 3 18.2 osh-native mut+alloc+free+gc+exit
28 18 10 26.0 osh-nosouffle mut+alloc
31 21 10 26.2 osh-nosouffle mut+alloc+free
35 31 4 18.6 osh-nosouffle mut+alloc+free+gc
35 26 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 26 13 33.4 _bin/cxx-opt+nopool/osh mut+alloc
44 31 13 22.6 _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 39 3 3.4 bash -
325 175 172 3.8 zsh -
44 36 8 86.2 bumpleak/osh mut
48 40 8 84.8 _bin/cxx-opt+bumproot/osh mut
59 46 13 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 48 35 73.7 osh-native mut+alloc
90 57 33 75.4 osh-native mut+alloc+free
139 117 22 51.7 osh-native mut+alloc+free+gc
140 118 22 52.4 osh-native mut+alloc+free+gc+exit
94 52 41 74.2 osh-nosouffle mut+alloc
102 65 36 76.0 osh-nosouffle mut+alloc+free
154 135 19 52.0 osh-nosouffle mut+alloc+free+gc
157 135 22 53.1 osh-nosouffle mut+alloc+free+gc+exit
123 77 46 99.3 _bin/cxx-opt+nopool/osh mut+alloc
197 169 28 74.6 _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 3 1 3.1 bash -
6 3 4 3.4 zsh -
6 6 0 12.7 bumpleak/osh mut
6 3 3 11.3 _bin/cxx-opt+bumproot/osh mut
7 5 2 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 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 4 4 11.1 osh-nosouffle mut+alloc
9 6 3 10.9 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 8 3 12.0 _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
10 9 1 1.6 dash -
30 29 1 3.1 bash -
22 17 4 3.4 zsh -
17 13 4 32.2 bumpleak/osh mut
18 14 5 32.3 _bin/cxx-opt+bumproot/osh mut
21 18 3 33.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 16 12 26.9 osh-native mut+alloc
30 21 10 27.0 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
34 21 13 27.3 osh-nosouffle mut+alloc
36 24 12 27.7 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
26 23 3 8.5 osh-nosouffle mut+alloc+free+gc+exit
46 27 19 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 28 2 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
104 100 4 3.5 bash -
211 151 60 57.6 bumpleak/osh mut
224 181 43 57.3 _bin/cxx-opt+bumproot/osh mut
239 179 60 57.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 198 58 48.8 osh-native mut+alloc
267 195 72 50.9 osh-native mut+alloc+free
222 172 50 9.0 osh-native mut+alloc+free+gc
225 183 42 8.9 osh-native mut+alloc+free+gc+exit
264 197 67 49.3 osh-nosouffle mut+alloc
273 206 67 51.1 osh-nosouffle mut+alloc+free
230 185 45 9.6 osh-nosouffle mut+alloc+free+gc
229 178 51 9.6 osh-nosouffle mut+alloc+free+gc+exit
279 199 80 64.9 _bin/cxx-opt+nopool/osh mut+alloc
252 208 44 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 4 6 3.9 dash -
16 7 10 4.8 bash -
16 6 11 3.9 zsh -
17 10 8 12.2 bumpleak/osh mut
18 11 7 14.5 _bin/cxx-opt+bumproot/osh mut
20 8 12 14.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 10 11.7 osh-native mut+alloc
21 12 9 11.7 osh-native mut+alloc+free
21 11 11 9.4 osh-native mut+alloc+free+gc
21 13 9 9.6 osh-native mut+alloc+free+gc+exit
21 11 10 11.9 osh-nosouffle mut+alloc
22 9 14 12.2 osh-nosouffle mut+alloc+free
22 13 9 10.1 osh-nosouffle mut+alloc+free+gc
22 10 13 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 10 14 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 12 12 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc