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 4 11 12.0 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 4 11 12.0 18.9 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 127 20 61 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 140 21 63 45.9 52.3 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 9 1 2 2.6 9.3 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.1 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 172 0 5 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 178 0 5 11.6 9.8 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 18 1 2 3.0 9.6 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 19 1 2 3.0 10.0 117,234 277 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
5 5 0 1.7 dash -
11 11 0 3.3 bash -
68 43 30 3.5 zsh -
16 11 5 29.4 bumpleak/osh mut
17 11 7 30.2 _bin/cxx-opt+bumproot/osh mut
19 13 6 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 15 7 25.4 osh-native mut+alloc
25 17 8 26.0 osh-native mut+alloc+free
31 25 6 18.4 osh-native mut+alloc+free+gc
33 27 6 18.4 osh-native mut+alloc+free+gc+exit
25 15 10 26.1 osh-nosouffle mut+alloc
28 19 9 26.2 osh-nosouffle mut+alloc+free
34 26 8 18.9 osh-nosouffle mut+alloc+free+gc
35 29 7 18.8 osh-nosouffle mut+alloc+free+gc+exit
33 20 13 33.0 _bin/cxx-opt+nopool/osh mut+alloc
45 34 11 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
18 16 2 1.7 dash -
38 37 1 3.5 bash -
237 148 107 3.8 zsh -
50 33 17 86.4 bumpleak/osh mut
54 39 15 86.5 _bin/cxx-opt+bumproot/osh mut
61 37 25 87.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
73 53 20 73.7 osh-native mut+alloc
82 56 26 75.7 osh-native mut+alloc+free
127 108 19 51.9 osh-native mut+alloc+free+gc
134 119 15 52.3 osh-native mut+alloc+free+gc+exit
81 49 32 74.1 osh-nosouffle mut+alloc
91 64 27 76.3 osh-nosouffle mut+alloc+free
140 118 22 52.3 osh-nosouffle mut+alloc+free+gc
145 123 22 52.9 osh-nosouffle mut+alloc+free+gc+exit
113 73 40 98.9 _bin/cxx-opt+nopool/osh mut+alloc
181 152 29 71.6 _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 2 0 1.7 dash -
3 3 0 3.0 bash -
5 5 0 3.5 zsh -
6 4 2 12.4 bumpleak/osh mut
6 3 3 13.3 _bin/cxx-opt+bumproot/osh mut
6 5 1 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 4 3 10.6 osh-native mut+alloc
7 1 6 10.9 osh-native mut+alloc+free
9 8 1 8.8 osh-native mut+alloc+free+gc
9 8 1 9.0 osh-native mut+alloc+free+gc+exit
8 3 5 11.3 osh-nosouffle mut+alloc
8 6 2 11.1 osh-nosouffle mut+alloc+free
9 7 3 9.3 osh-nosouffle mut+alloc+free+gc
10 6 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
9 7 2 12.0 _bin/cxx-opt+nopool/osh mut+alloc
11 9 2 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 1.6 dash -
29 28 1 3.3 bash -
17 15 2 3.3 zsh -
19 12 7 32.4 bumpleak/osh mut
20 14 6 32.2 _bin/cxx-opt+bumproot/osh mut
24 16 8 33.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 20 5 27.0 osh-native mut+alloc
29 18 10 27.3 osh-native mut+alloc+free
20 20 0 8.1 osh-native mut+alloc+free+gc
20 20 0 8.3 osh-native mut+alloc+free+gc+exit
30 22 9 27.4 osh-nosouffle mut+alloc
34 28 5 27.4 osh-nosouffle mut+alloc+free
25 25 0 8.8 osh-nosouffle mut+alloc+free+gc
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
39 29 10 36.7 _bin/cxx-opt+nopool/osh mut+alloc
30 26 4 10.0 _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
97 96 1 3.5 bash -
172 149 23 56.7 bumpleak/osh mut
180 152 28 56.3 _bin/cxx-opt+bumproot/osh mut
189 162 27 57.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
195 163 32 48.8 osh-native mut+alloc
203 166 37 50.9 osh-native mut+alloc+free
172 154 18 9.0 osh-native mut+alloc+free+gc
173 152 21 9.2 osh-native mut+alloc+free+gc+exit
200 164 36 49.2 osh-nosouffle mut+alloc
209 172 37 51.1 osh-nosouffle mut+alloc+free
178 155 23 9.8 osh-nosouffle mut+alloc+free+gc
179 157 22 9.7 osh-nosouffle mut+alloc+free+gc+exit
221 169 52 65.6 _bin/cxx-opt+nopool/osh mut+alloc
204 184 20 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
7 4 3 3.9 dash -
13 8 5 4.7 bash -
12 9 3 3.9 zsh -
15 7 8 14.3 bumpleak/osh mut
17 6 11 13.7 _bin/cxx-opt+bumproot/osh mut
16 9 7 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
17 8 9 11.7 osh-native mut+alloc
18 11 7 11.8 osh-native mut+alloc+free
18 10 9 9.6 osh-native mut+alloc+free+gc
19 12 7 9.8 osh-native mut+alloc+free+gc+exit
17 8 10 12.3 osh-nosouffle mut+alloc
19 15 4 12.3 osh-nosouffle mut+alloc+free
19 12 8 10.0 osh-nosouffle mut+alloc+free+gc
20 9 11 10.0 osh-nosouffle mut+alloc+free+gc+exit
19 11 8 13.2 _bin/cxx-opt+nopool/osh mut+alloc
20 14 7 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc