On Fri, 26 Dec 2014 18:25:09 +0200, Saul Luizaga <sau### [at] gmailcom> wrote:

> Nekar Xenos wrote:
>> I have a 1Gb ATI HD5770 which has no double precission floating point
>> suppport.
>
> Looks like it, http://www.realtech-vr.com
>
> Are you sure isn't a 4770? , the HD5000 series tend to have 256-bit  
> memory (DDR-5) bus and 64-bit FP support (double precision).
>
> Do you used a diagnostic tool to check your DPFP?
> You can use AIDA64 it iused to have a free version of the extreme  
> edition when they merged with Everst, anyway, once in it you can go to  
> Display -> GPGPU -> Device Features
>

Thanks. I downloaded AIDA64 trial and My HD5770 does not support DPFP

http://www.geeks3d.com/20091014/radeon-hd-5770-has-no-double-precision-floating-point-support/

And the HD4770 does support DPFP !?!?!?


-- 
-Nekar Xenos-

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