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 18.4 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 33 4 10 12.0 18.7 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 125 20 58 45.9 51.9 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 136 20 60 45.9 52.3 1,638,013 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 8 1 2 2.6 8.7 102,803 180 3 86,646 1 43,323 osh-native
parse.abuild 9 1 2 2.6 9.0 102,803 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.4 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.8 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 174 0 4 11.6 9.0 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 175 0 4 11.6 9.6 990,272 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 17 1 2 3.0 9.6 117,234 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 18 1 2 3.0 10.2 117,233 277 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 1.6 dash -
11 9 2 3.4 bash -
64 40 28 3.5 zsh -
16 12 4 29.9 bumpleak/osh mut
17 10 7 30.4 _bin/cxx-opt+bumproot/osh mut
20 15 4 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 14 9 25.7 osh-native mut+alloc
24 16 9 25.8 osh-native mut+alloc+free
30 22 8 18.4 osh-native mut+alloc+free+gc
31 24 7 18.2 osh-native mut+alloc+free+gc+exit
24 17 7 26.0 osh-nosouffle mut+alloc
27 20 7 26.5 osh-nosouffle mut+alloc+free
33 28 5 18.7 osh-nosouffle mut+alloc+free+gc
36 29 7 18.9 osh-nosouffle mut+alloc+free+gc+exit
32 21 12 32.3 _bin/cxx-opt+nopool/osh mut+alloc
43 34 9 22.4 _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 17 1 1.6 dash -
38 37 1 3.5 bash -
238 150 96 3.7 zsh -
47 29 19 86.5 bumpleak/osh mut
52 37 15 85.2 _bin/cxx-opt+bumproot/osh mut
61 47 15 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
71 50 21 73.8 osh-native mut+alloc
80 55 25 75.8 osh-native mut+alloc+free
125 101 23 51.9 osh-native mut+alloc+free+gc
136 115 21 52.5 osh-native mut+alloc+free+gc+exit
80 58 22 74.2 osh-nosouffle mut+alloc
91 64 26 76.2 osh-nosouffle mut+alloc+free
136 116 20 52.3 osh-nosouffle mut+alloc+free+gc
143 125 18 52.9 osh-nosouffle mut+alloc+free+gc+exit
109 81 28 99.4 _bin/cxx-opt+nopool/osh mut+alloc
182 157 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 3 0 3.1 bash -
5 3 2 3.4 zsh -
6 3 2 13.3 bumpleak/osh mut
6 4 2 11.6 _bin/cxx-opt+bumproot/osh mut
7 4 2 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
6 4 2 10.6 osh-native mut+alloc
7 5 2 10.7 osh-native mut+alloc+free
8 7 1 8.7 osh-native mut+alloc+free+gc
8 8 0 9.0 osh-native mut+alloc+free+gc+exit
7 7 0 11.0 osh-nosouffle mut+alloc
8 7 1 11.0 osh-nosouffle mut+alloc+free
9 6 3 9.0 osh-nosouffle mut+alloc+free+gc
9 8 1 9.4 osh-nosouffle mut+alloc+free+gc+exit
9 6 3 11.9 _bin/cxx-opt+nopool/osh mut+alloc
10 9 1 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
9 9 0 1.6 dash -
29 28 1 3.1 bash -
16 11 5 3.3 zsh -
18 11 7 33.5 bumpleak/osh mut
20 16 4 33.2 _bin/cxx-opt+bumproot/osh mut
23 17 6 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 16 9 26.9 osh-native mut+alloc
28 22 6 27.1 osh-native mut+alloc+free
20 19 1 8.4 osh-native mut+alloc+free+gc
20 17 3 8.4 osh-native mut+alloc+free+gc+exit
30 22 8 27.4 osh-nosouffle mut+alloc
33 23 9 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
39 28 10 36.1 _bin/cxx-opt+nopool/osh mut+alloc
28 25 3 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
96 94 2 3.5 bash -
172 140 31 57.1 bumpleak/osh mut
179 153 26 56.6 _bin/cxx-opt+bumproot/osh mut
186 152 33 58.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
192 157 35 48.9 osh-native mut+alloc
205 166 39 50.9 osh-native mut+alloc+free
174 153 21 9.0 osh-native mut+alloc+free+gc
171 151 20 9.0 osh-native mut+alloc+free+gc+exit
198 159 39 49.3 osh-nosouffle mut+alloc
207 172 35 51.5 osh-nosouffle mut+alloc+free
175 158 17 9.6 osh-nosouffle mut+alloc+free+gc
176 153 23 9.7 osh-nosouffle mut+alloc+free+gc+exit
220 171 49 66.1 _bin/cxx-opt+nopool/osh mut+alloc
203 190 13 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 4.1 dash -
14 7 7 5.0 bash -
13 8 4 3.9 zsh -
16 10 6 13.7 bumpleak/osh mut
15 8 7 14.4 _bin/cxx-opt+bumproot/osh mut
15 9 7 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
16 5 11 11.5 osh-native mut+alloc
17 11 6 11.7 osh-native mut+alloc+free
17 8 10 9.6 osh-native mut+alloc+free+gc
18 11 7 9.6 osh-native mut+alloc+free+gc+exit
17 10 8 12.2 osh-nosouffle mut+alloc
18 10 9 12.3 osh-nosouffle mut+alloc+free
18 13 5 10.2 osh-nosouffle mut+alloc+free+gc
19 13 6 10.2 osh-nosouffle mut+alloc+free+gc+exit
19 11 8 13.1 _bin/cxx-opt+nopool/osh mut+alloc
20 12 8 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc