[x265] [PATCH] cmake: switch to c++11 for Clang and GCC

[Mario *LigH* Rohkrämer]

Am 27.04.2017, 15:27 Uhr, schrieb Mateusz Brzostek  
<mateusz at msystem.waw.pl>:

> After speed test:
> GCC 7.0.1 and GCC 8.0.0 generates identical EXEs with -std=c++11 and  
> -std=gnu++11.
> The rest relative encoding time (to GCC 6.3 gnu++11)
>
> x265c48 	101,16%
> x265g48 	101,15%
> x265c49 	100,67%
> x265g49 	100,92%
> x265c54 	101,50%
> x265g54 	101,49%
> x265c63 	99,95%
> x265g63 	100,00%


Easily within statistical alienation. Just a few hardware interrupts or  
swap file accesses more or less during one or the other test in the pair  
of the same compiler version. I see no reason in comparing the "best of n  
results" to reduce this effect, with such low differences.

-- 

Fun and success!
Mario *LigH* Rohkrämer
mailto:contact at ligh.de