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Re: SIMDebian: Debian Partial Fork with Radical ISA Baseline

El sábado, 6 de abril de 2019 17:55:35 -03 Guillem Jover escribió:
> If what you are interested in though is just a small subset of the
> archive, another option that would benefit everyone and is perhaps
> less cumbersome than having to jugle around with multiple archives
> and package rebuilds/variants, is to make use of libc's hwcaps [H]
> support, which means the dynamic linker will automatically load the
> best optimized shared object for the current hardware. This of course
> can complicate a bit the packaging, and bloat it, but if the performance
> improvement is substantial, it might be a very good trade-off.

FWIW: we did this with qtbase-opensource-src for some specific packages, 
namely sse2.

So fully agreeing with Guillem here: if you *really* think the effort is worth 
then going this way might be the best thing to do.

No subestimes el ancho de banda de un camión
cargado de cintas.
  Andrew S. Tanenbaum

Lisandro Damián Nicanor Pérez Meyer

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