Benchmarks results for FreeBSD 11

[Fernando Herrero Carrón]

El 28/8/2016 14:56, "Dimitry Andric" <dim at freebsd.org> escribió:
>
> On 28 Aug 2016, at 02:10, K. Macy <kmacy at freebsd.org> wrote:
> >
> >> The problem here is that Phoronix took a Beta version of FreeBSD 11.
> >> Beta versions have a lot of debugging (malloc, invariants, witness)
> >> options enabled which make it significantly slower than release
> >> versions. This is even obviously when you run a Beta as a desktop. It
> >> just feels much slower.
> >
> >
> > I don't know what was going on in these particular tests, but in a
> > more recent benchmarking run
> > -
https://www.phoronix.com/scan.php?page=article&item=freebsd11-clang-gcc&num=1
> > - you're seeing the result of openmp being disabled in base. The clang
> > maintainer for src refuses to include libomp as required for -fopenmp
> > because nothing in base requires it.
>
> Come on, this is nonsense.  I have indicated earlier that I would have
> liked to import openmp into base, but this was shot down precisely for
> that reason: nothing in base uses it.
>
> So for now, the solution is simply: install one of the llvm ports, and
> use it.  These have configuration setting to install every optional
> component from the LLVM project.
>
> -Dimitry
>

How does the port infrastructure handle openmp-enabled ports (those with an
openmp option) then? Is an omp-capable compiler automatically pulled in or
is openmp ignored unless the port explicitely requests one from ports?

Fernando