Memory Management Overhead

Source code: oil/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 37 4 10 12.1 17.7 476,708 1,282 6 409,064 5 204,532 osh-native
parse.configure-cpython 34 3 10 12.0 17.4 476,708 1,282 6 408,722 5 204,361 osh-native-souffle
parse.configure-coreutils 146 22 60 44.7 49.9 1,653,296 4,764 12 1,030,978 6 769,626 osh-native
parse.configure-coreutils 145 27 67 46.1 51.1 1,653,295 4,764 12 1,069,088 6 798,625 osh-native-souffle
parse.abuild 9 1 1 2.6 8.5 101,899 180 2 75,194 1 37,597 osh-native
parse.abuild 8 1 1 2.6 8.3 101,899 180 2 75,064 1 37,532 osh-native-souffle
ex.compute-fib 28 0 1 2.4 8.0 584,164 22,608 12 50,000 0 2,875 osh-native
ex.compute-fib 22 0 1 2.4 7.3 584,164 22,608 12 50,000 0 2,813 osh-native-souffle
ex.bashcomp-parse-help 184 0 4 10.3 8.8 995,245 12,911 21 50,000 0 3,865 osh-native
ex.bashcomp-parse-help 175 0 3 10.3 8.3 995,244 12,911 21 50,000 0 3,795 osh-native-souffle
ex.abuild-print-help 22 1 2 2.8 8.9 116,314 270 3 85,430 1 42,715 osh-native
ex.abuild-print-help 21 1 2 2.8 8.5 116,314 270 3 85,306 1 42,653 osh-native-souffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 6 0 1.6 dash -
23 19 4 3.1 bash -
104 56 54 3.4 zsh -
17 7 10 29.4 bumpleak/osh mut
19 15 4 29.1 _bin/cxx-opt+bumproot/osh mut
23 15 8 28.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 22 7 25.0 osh-native mut+alloc
32 16 16 25.7 osh-native mut+alloc+free
37 33 4 17.7 osh-native mut+alloc+free+gc
37 28 8 18.1 osh-native mut+alloc+free+gc+exit
44 32 12 32.5 _bin/cxx-opt+nopool/osh mut+alloc
52 36 16 22.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 15 12 24.8 osh-native-souffle mut+alloc
30 21 8 25.2 osh-native-souffle mut+alloc+free
34 34 0 17.4 osh-native-souffle mut+alloc+free+gc
33 33 0 17.8 osh-native-souffle mut+alloc+free+gc+exit

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
22 21 0 1.6 dash -
79 79 0 3.3 bash -
378 201 198 3.7 zsh -
49 30 19 84.3 bumpleak/osh mut
59 51 8 84.7 _bin/cxx-opt+bumproot/osh mut
73 48 24 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 73 24 73.4 osh-native mut+alloc
107 51 55 75.1 osh-native mut+alloc+free
146 134 12 49.9 osh-native mut+alloc+free+gc
151 130 20 50.7 osh-native mut+alloc+free+gc+exit
140 102 37 97.7 _bin/cxx-opt+nopool/osh mut+alloc
226 198 28 67.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
89 64 24 73.2 osh-native-souffle mut+alloc
96 64 32 75.0 osh-native-souffle mut+alloc+free
145 128 16 51.1 osh-native-souffle mut+alloc+free+gc
148 136 12 51.8 osh-native-souffle mut+alloc+free+gc+exit

parse.abuild

Parsing abuild from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
2 2 0 1.3 dash -
6 6 0 3.0 bash -
8 4 4 3.4 zsh -
5 5 0 11.8 bumpleak/osh mut
7 7 0 11.0 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 5 5 8.8 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 4 8 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 4 4 9.7 osh-native-souffle mut+alloc
8 0 8 9.7 osh-native-souffle mut+alloc+free
8 8 0 8.3 osh-native-souffle mut+alloc+free+gc
9 0 9 8.4 osh-native-souffle mut+alloc+free+gc+exit

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 1.4 dash -
29 25 4 3.0 bash -
24 16 8 3.4 zsh -
20 16 4 32.7 bumpleak/osh mut
25 18 7 33.4 _bin/cxx-opt+bumproot/osh mut
28 25 4 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 32 4 26.3 osh-native mut+alloc
39 27 12 26.6 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
54 39 15 35.8 _bin/cxx-opt+nopool/osh mut+alloc
38 33 4 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
31 15 15 25.8 osh-native-souffle mut+alloc
33 24 8 26.2 osh-native-souffle mut+alloc+free
22 22 0 7.3 osh-native-souffle mut+alloc+free+gc
22 22 0 7.6 osh-native-souffle mut+alloc+free+gc+exit

ex.bashcomp-parse-help

A realistic bash-completion workload.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
73 73 0 3.0 bash -
168 116 52 53.9 bumpleak/osh mut
182 101 81 56.6 _bin/cxx-opt+bumproot/osh mut
194 150 44 56.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 131 80 47.0 osh-native mut+alloc
221 156 64 48.7 osh-native mut+alloc+free
184 131 52 8.8 osh-native mut+alloc+free+gc
182 129 52 8.8 osh-native mut+alloc+free+gc+exit
232 128 104 63.7 _bin/cxx-opt+nopool/osh mut+alloc
211 167 44 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
212 152 60 46.6 osh-native-souffle mut+alloc
212 100 112 48.5 osh-native-souffle mut+alloc+free
175 119 55 8.3 osh-native-souffle mut+alloc+free+gc
175 127 48 8.4 osh-native-souffle mut+alloc+free+gc+exit

ex.abuild-print-help

Running abuild -h from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
10 9 1 3.5 dash -
20 14 7 4.5 bash -
18 5 14 3.4 zsh -
18 12 7 11.2 bumpleak/osh mut
20 12 8 12.2 _bin/cxx-opt+bumproot/osh mut
20 12 9 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 15 7 11.0 osh-native mut+alloc
22 14 9 11.1 osh-native mut+alloc+free
22 16 7 8.9 osh-native mut+alloc+free+gc
23 16 8 9.3 osh-native mut+alloc+free+gc+exit
25 17 8 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 16 9 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 19 2 10.5 osh-native-souffle mut+alloc
22 11 11 10.7 osh-native-souffle mut+alloc+free
21 13 9 8.5 osh-native-souffle mut+alloc+free+gc
22 13 10 8.8 osh-native-souffle mut+alloc+free+gc+exit