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 30 4 10 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 32 4 10 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 129 22 62 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 143 22 66 45.9 52.4 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 8 1 2 2.6 8.8 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 9 1 2 2.6 9.2 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 172 0 5 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 177 0 4 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 17 1 2 3.0 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 19 1 2 3.0 10.1 117,234 277 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 4 1 1.7 dash -
11 11 0 3.4 bash -
64 39 29 3.7 zsh -
16 11 5 30.4 bumpleak/osh mut
17 11 6 29.1 _bin/cxx-opt+bumproot/osh mut
19 12 7 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 12 10 25.7 osh-native mut+alloc
25 19 5 26.0 osh-native mut+alloc+free
30 22 8 18.2 osh-native mut+alloc+free+gc
31 26 5 18.5 osh-native mut+alloc+free+gc+exit
25 20 4 26.0 osh-nosouffle mut+alloc
27 22 5 26.3 osh-nosouffle mut+alloc+free
32 29 3 18.7 osh-nosouffle mut+alloc+free+gc
34 30 4 18.8 osh-nosouffle mut+alloc+free+gc+exit
33 21 12 33.0 _bin/cxx-opt+nopool/osh mut+alloc
42 34 8 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 -
235 137 112 3.7 zsh -
49 36 13 85.0 bumpleak/osh mut
53 38 15 86.7 _bin/cxx-opt+bumproot/osh mut
61 45 16 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
72 45 27 73.6 osh-native mut+alloc
87 62 24 75.6 osh-native mut+alloc+free
129 112 17 51.9 osh-native mut+alloc+free+gc
136 118 18 52.5 osh-native mut+alloc+free+gc+exit
82 56 26 74.2 osh-nosouffle mut+alloc
94 63 31 76.0 osh-nosouffle mut+alloc+free
143 126 17 52.4 osh-nosouffle mut+alloc+free+gc
149 129 20 53.1 osh-nosouffle mut+alloc+free+gc+exit
108 71 36 98.2 _bin/cxx-opt+nopool/osh mut+alloc
184 159 25 72.6 _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
1 1 0 1.7 dash -
3 2 1 3.3 bash -
5 2 3 3.5 zsh -
6 3 2 13.0 bumpleak/osh mut
6 4 2 11.7 _bin/cxx-opt+bumproot/osh mut
6 4 2 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 4 3 10.7 osh-native mut+alloc
7 4 3 10.7 osh-native mut+alloc+free
8 4 5 8.8 osh-native mut+alloc+free+gc
9 7 1 8.8 osh-native mut+alloc+free+gc+exit
8 6 1 11.1 osh-nosouffle mut+alloc
8 6 2 11.1 osh-nosouffle mut+alloc+free
9 9 0 9.2 osh-nosouffle mut+alloc+free+gc
10 6 4 9.0 osh-nosouffle mut+alloc+free+gc+exit
9 5 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
11 10 1 9.8 _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 8 1 1.6 dash -
29 29 0 3.1 bash -
16 12 4 3.5 zsh -
18 12 6 32.7 bumpleak/osh mut
21 14 7 33.3 _bin/cxx-opt+bumproot/osh mut
23 14 9 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 19 6 27.1 osh-native mut+alloc
29 17 12 27.3 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
20 18 3 8.4 osh-native mut+alloc+free+gc+exit
31 21 9 27.4 osh-nosouffle mut+alloc
34 27 7 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
25 20 5 8.8 osh-nosouffle mut+alloc+free+gc+exit
40 28 13 36.4 _bin/cxx-opt+nopool/osh mut+alloc
28 27 1 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
96 94 2 3.5 bash -
172 150 21 57.6 bumpleak/osh mut
180 153 27 58.3 _bin/cxx-opt+bumproot/osh mut
189 153 36 58.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
198 161 37 48.9 osh-native mut+alloc
205 166 39 50.9 osh-native mut+alloc+free
172 154 18 9.2 osh-native mut+alloc+free+gc
172 155 17 9.2 osh-native mut+alloc+free+gc+exit
201 151 50 49.2 osh-nosouffle mut+alloc
210 168 43 51.4 osh-nosouffle mut+alloc+free
177 155 22 9.6 osh-nosouffle mut+alloc+free+gc
177 154 23 9.8 osh-nosouffle mut+alloc+free+gc+exit
219 170 49 65.0 _bin/cxx-opt+nopool/osh mut+alloc
200 173 27 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 3 4 3.9 dash -
13 9 4 4.8 bash -
11 4 7 3.9 zsh -
14 8 7 12.5 bumpleak/osh mut
15 9 6 12.6 _bin/cxx-opt+bumproot/osh mut
15 10 6 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
16 9 8 11.5 osh-native mut+alloc
17 11 7 11.8 osh-native mut+alloc+free
17 12 6 9.4 osh-native mut+alloc+free+gc
18 12 7 9.6 osh-native mut+alloc+free+gc+exit
18 8 10 12.2 osh-nosouffle mut+alloc
19 10 10 12.3 osh-nosouffle mut+alloc+free
19 13 6 10.1 osh-nosouffle mut+alloc+free+gc
19 15 5 10.1 osh-nosouffle mut+alloc+free+gc+exit
20 14 7 13.0 _bin/cxx-opt+nopool/osh mut+alloc
20 12 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc