Do you care about the H.264 hardware decoding function in the ATIdisplay cards?

  • Thread starter Thread starter Man-wai Chang ToDie (+MS=V32B)
  • Start date Start date
First said:
Just installed CoreAVC v1.9.5.0 in the link (previously I was running
v1.8.5.0). Looks like they put in an option for CUDA acceleration. For what
it's worth, CPU utilization dropped by half compared to the numbers I gave
below.
Click to expand...

CUDA? That's not ATI stuff.... ?

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To answer your question, I don't care about H.264 hardware decoding, because
well-optimized software decoding with CoreAVC is fast enough (even without
invoking CUDA on my Geforce 285).
Click to expand...

DO you know whether Arcsoft TotalMedia could make use of it?
I am using it to watch HDTV broadcast in Hong Kong (format
DMB-TH).

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First said:
TotalMedia is a packaged app that does scheduling, TV recording and viewing,
right? I don't know if TotalMedia has an option to use other codecs besides
its own.

If you use another app like Media Player Classic to play the recorded shows,
then CoreAVC can be used.
Click to expand...

OK. Thanks

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You might find this interesting:
http://tmpgenc.pegasys-inc.com/en/press/09_0415.html

http://www.bit-tech.net/news/hardware/2009/04/16/tmpgenc-supports-spursengine/1
Click to expand...

Any results for OpenCL?

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They have it working with CUDA now, so I would think they
would be likely to adapt it for OpenCL. It would be interesting
to see how well the card's processors are open to "OpenCL"'s
use. The Plug-in should be quickly and easily made to work
with OpenCL, in place of CUDA, it may even allow for some
sort of optimization of the hardware encoder and supporting
"Filter" operations using both technologies.

This is all speculation at this point, though.

Luck;
Ken
Click to expand...
Pretty retarded to only support the proprietary CUDA when OpenCL is the
standard.
 
Not any more so than all the programs that use some other 3D graphics
engine, instead of OpenGL.

I haven't done more than glance at either CUDA or OpenCL, but it may
be that they are not totally incompatable. It may be that you could have
OpenCL manage the overall parellel processing effort and it interface with
CUDA to make use of the GPU processing functions. This new card's
multiple processors may be accessible to OpenCL when they are not
needed for their normally dedicated encoding processing, there is no way
CUDA has any access to them now or in the future.

Luck;
Ken
Click to expand...

Even Nvidia has stated that cuda is more the hardware layer and the OpenCL
standard will run on it. As i stated , Both Nvidia and AMD/ATI are going
forward withe the OpenCL standard.


Old but info on AMD's OpenCL support
http://hothardware.com/News/AMD-Adopts-OpenCL-10-Specification/


http://www.appleinsider.
com/articles/08/12/10/nvidia_pioneering_opencl_support_on_top_of_cuda.html

OpenCL vs CUDA?

When asked how NVIDIA's CUDA compares with OpenCL, and if NVIDIA is planning
to support both in its future products, Hegde explained, "This is probably
better put by saying how does C for CUDA compare with OpenCL – this is a
language to language comparison."

Hegde added, "The answer is that the two share very similar constructs for
defining data parallelism, which is generally the major task, so the code will
be very similar and the porting efforts will be minor.

"As OpenCL is another method of accessing the GPU, we wholeheartedly support
it. Its sits seamlessly on top of our CUDA architecture and as such,
developers using NVIDA hardware have a choice of language and programming
environment.

"With regards to product support, we plan to have OpenCL supported on the CUDA
architecture which means that any NVIDIA GPU built upon the CUDA architecture
will support OpenCL. This means every GPU (including GeForce, Tesla and Quadro
lines) from the GeForce 8 series onwards will support OpenCL. This gives
OpenCL developers an installed base of more than 100 million GPUs."
 
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