POV-Ray : Newsgroups : povray.off-topic : Suggestion: OpenCL : Re: Suggestion: OpenCL Server Time
5 Sep 2024 17:18:07 EDT (-0400)
  Re: Suggestion: OpenCL  
From: Chambers
Date: 15 Aug 2009 00:01:59
Message: <4a863337$1@news.povray.org>
Saul Luizaga wrote:
> So, you assume that is just a huge amount of hype, and even if it works 
> for other apps., won't for POV-Ray.

NB: There are some apps, which theoretically *should* benefit massively 
from GPGPU, which are actually hurt by it.

Case in point: TMPGEnc, using CUDA.  Video encoding has long been touted 
as one of the best areas for improvement via GPGPU.

On a GeForce 260, it's actually *slower* than a Core 2 Quad 6600 (2.4gHz).

Imagine a dual-processor six-core Xeon system (12 cores, 24 threads) and 
you'd need a few dozen GPUs (running literally *thousands* of threads) 
to match the performance.

...Chambers


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