Nvidia Cg download location?

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Old 07 July 2012   #1
Nvidia Cg download location?

Seems like Nvidia are still restoring the developer zone. Does anyone know where I can download the latest Cg toolkit for Mac and Linux?

Is it included with another download?

This is all I could find:
http://www.nvidia.com/content/devzone/index.html
 
Old 07 July 2012   #2
If I'm assuming v1.5 is the latest, this should work ...

http://www.nvidia.com/object/cg-toolkit-15#downloads
 
Old 07 July 2012   #3
It's not the latest, but you did inspire me to change my google syntax and I found this page!:

http://http.developer.nvidia.com/Cg/index_releases.html

And this is the latest:
http://http.developer.nvidia.com/Cg/cg_3_1_0013.html


EDIT:
Updated, this seems to be the current URL:
http://developer.nvidia.com/cg-toolkit

Last edited by teatimebing : 08 August 2012 at 04:48 PM.
 
Old 07 July 2012   #4
Aha, wondered if it wasn't the latest. Not used Cg, thought about but then moved to CUDA/OpenCL.
 
Old 07 July 2012   #5
Interesting! I had been looking at OpenCL and CUDA, I have been trying to make some kind of wrapper for crunching queries similar to what I can achieve in SQL now. But of course I would have to get the whole dataset into VRAM first, then chunkify it for distribution of the trillions of cores your average GPU has for stream processing similar to MapReduce methods.

My current interest in Cg is for shader development, but after going through the documentation I am immediately seeing the benefits of crunching on the GPU in what I think to be a very accessible platform.

This was an interesting read http://www0.cs.ucl.ac.uk/staff/ucac...der-vs-cuda.pdf
 
Old 08 August 2012   #6
Intersting article. Still getting my head round OpenCL at the mo, but is sooo powerful if you get it right!
 
Old 08 August 2012   #7
Just a word of caution right now about using CUDA/OpenCL for things other than graphics display. I have found that the cost of uploading and downloading data to and from the GPU can wipe out any performance gains from all those cores doing the work on the GPU. Your calculations need to be computationally intensive vs. the amount of data input and output. It's worth doing some quick profiling in CUDA to check the time it takes to copy your data to and from the GPU without doing any calculations vs. just doing the calculations on the CPU.
 
Old 08 August 2012   #8
Where are you staging your data though? In RAM or on spinning disks?

An advantage of the Mercury/Fixstars CELL PCIE boards was dual-gigabit ethernet straight into the device.
 
Old 08 August 2012   #9
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