[Interest] Slow graphics effect (due to _dl_resolve_runtime_avx)

Thiago Macieira thiago.macieira at intel.com
Sat Nov 26 07:56:15 CET 2016


On sábado, 26 de novembro de 2016 13:11:43 PST Ch'Gans wrote:
> So according to /usr/lib/x86_64-linux-gnu/libQt5Widgets.prl (KUbuntu's
> Qt), Qt was built with avx and avx2, according to
> /opt/Qt/5.7/gcc_64/lib/libQt5Widgets.prl (Form Official Qt binaries),
> Qt was built with avx, avx2, avx512f, avx512er, avx512cd, and avx512pf
> 
> Which means that in both cases, Qt will perform poorly on CPU that
> doesn't support advanced AVX feature...

That's a totally incorrect assumption.

-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center




More information about the Interest mailing list