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 3 9 12.0 18.2 471,269 1,282 6 413,154 5 206,577 osh-native
parse.configure-cpython 35 4 10 12.0 18.9 471,269 1,282 6 413,162 5 206,581 osh-nosouffle
parse.configure-coreutils 134 24 62 45.9 51.6 1,638,008 4,764 12 1,056,652 6 787,847 osh-native
parse.configure-coreutils 147 24 64 45.9 52.3 1,638,007 4,764 12 1,056,660 6 787,851 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,797 180 3 86,640 1 43,320 osh-native
parse.abuild 10 1 2 2.6 9.0 102,797 180 3 86,648 1 43,324 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 572,121 22,608 12 50,000 0 2,987 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,121 22,608 12 50,000 0 2,992 osh-nosouffle
ex.bashcomp-parse-help 220 0 3 11.6 9.0 990,267 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 228 0 4 11.6 9.4 990,266 15,258 21 50,000 0 3,971 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,228 277 3 84,002 1 42,001 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,227 277 3 84,010 1 42,005 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.6 dash -
13 12 1 3.4 bash -
88 48 47 3.5 zsh -
16 9 7 30.4 bumpleak/osh mut
16 11 5 29.0 _bin/cxx-opt+bumproot/osh mut
19 15 4 30.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 14 11 25.6 osh-native mut+alloc
27 16 11 25.8 osh-native mut+alloc+free
32 20 12 18.2 osh-native mut+alloc+free+gc
32 28 4 18.3 osh-native mut+alloc+free+gc+exit
28 17 11 26.0 osh-nosouffle mut+alloc
32 25 7 26.3 osh-nosouffle mut+alloc+free
35 26 9 18.9 osh-nosouffle mut+alloc+free+gc
35 32 3 18.9 osh-nosouffle mut+alloc+free+gc+exit
39 25 14 33.0 _bin/cxx-opt+nopool/osh mut+alloc
46 35 11 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 1.8 dash -
42 39 3 3.4 bash -
320 181 161 3.5 zsh -
45 37 8 85.7 bumpleak/osh mut
47 39 8 86.5 _bin/cxx-opt+bumproot/osh mut
59 43 16 87.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 43 39 73.7 osh-native mut+alloc
91 58 33 75.5 osh-native mut+alloc+free
134 115 19 51.6 osh-native mut+alloc+free+gc
133 102 31 52.4 osh-native mut+alloc+free+gc+exit
91 66 25 74.2 osh-nosouffle mut+alloc
101 69 32 75.9 osh-nosouffle mut+alloc+free
147 125 22 52.3 osh-nosouffle mut+alloc+free+gc
152 118 34 52.9 osh-nosouffle mut+alloc+free+gc+exit
125 81 44 98.2 _bin/cxx-opt+nopool/osh mut+alloc
204 166 38 71.7 _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 2 0 1.7 dash -
4 2 1 3.1 bash -
6 3 4 3.3 zsh -
6 3 3 11.3 bumpleak/osh mut
6 5 1 11.5 _bin/cxx-opt+bumproot/osh mut
7 3 4 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.4 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
9 4 5 10.9 osh-nosouffle mut+alloc
9 4 5 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.0 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.7 _bin/cxx-opt+nopool/osh mut+alloc
12 9 4 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
10 10 0 1.6 dash -
31 30 1 3.3 bash -
21 18 3 3.5 zsh -
17 13 3 32.1 bumpleak/osh mut
19 17 2 33.4 _bin/cxx-opt+bumproot/osh mut
21 19 2 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 16 11 26.7 osh-native mut+alloc
30 22 7 27.1 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
20 19 1 8.1 osh-native mut+alloc+free+gc+exit
35 24 11 27.3 osh-nosouffle mut+alloc
35 24 11 27.4 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
44 31 13 36.2 _bin/cxx-opt+nopool/osh mut+alloc
29 24 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
102 95 7 3.5 bash -
211 165 46 57.5 bumpleak/osh mut
222 174 48 58.1 _bin/cxx-opt+bumproot/osh mut
240 185 55 57.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 194 61 48.9 osh-native mut+alloc
264 208 56 50.7 osh-native mut+alloc+free
220 169 51 9.0 osh-native mut+alloc+free+gc
221 179 42 9.0 osh-native mut+alloc+free+gc+exit
263 192 71 49.2 osh-nosouffle mut+alloc
267 201 66 51.3 osh-nosouffle mut+alloc+free
228 188 40 9.4 osh-nosouffle mut+alloc+free+gc
227 184 43 9.6 osh-nosouffle mut+alloc+free+gc+exit
279 201 79 64.3 _bin/cxx-opt+nopool/osh mut+alloc
249 203 46 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 -
15 7 9 4.7 bash -
15 6 10 3.9 zsh -
19 9 10 13.6 bumpleak/osh mut
18 9 10 13.4 _bin/cxx-opt+bumproot/osh mut
19 8 11 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 11 9 11.5 osh-native mut+alloc
20 11 10 11.7 osh-native mut+alloc+free
20 11 9 9.4 osh-native mut+alloc+free+gc
21 12 9 9.6 osh-native mut+alloc+free+gc+exit
20 8 13 12.1 osh-nosouffle mut+alloc
21 8 14 12.3 osh-nosouffle mut+alloc+free
22 13 9 10.1 osh-nosouffle mut+alloc+free+gc
22 16 6 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 13 13.3 _bin/cxx-opt+nopool/osh mut+alloc
23 15 9 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc