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Posts by old_user7711

Posts by old_user7711

1) Questions and Answers : Wish list : Using GPUs for number crunching (Message 33919)
Posted 26 May 2008 by old_user7711
Post:

These climate programs are a million or so lines of Fortran, written by many people over several decades, to run on the supercomputers at the UK\'s Met Office.

The maths uses very large numbers of precision because of the need to encompass the range of things like the large amount of water vapour in the air, while at the same time including the miniscule amounts of things like sulphate particules.

The graphics for computer games don\'t have anywhere near the same range of values.


Thanks for the info. Nice to know there are is at least someone willing to hoist out and be civil.
2) Questions and Answers : Wish list : Using GPUs for number crunching (Message 33154)
Posted 30 Mar 2008 by old_user7711
Post:

This matter has been brought up many times.
It won\'t work, because the maths of the GPU isn\'t good enough for science apps, just graphics displays.


Gee, And here all the time I thought it took a bunch of equations to move the little gobler in packman.
3) Questions and Answers : Wish list : Using GPUs for number crunching (Message 33153)
Posted 30 Mar 2008 by old_user7711
Post:
If it were feasible (problem is CPDN uses Fortran, so it\'s impossible to make calls to the GPU), don\'t you think most of the projects would have done so by now?

There are Cuda add ons for SETI that have been certified. It might require transfering the entire process to a new program. With out the code to look at I can\'t say. That\'s is why I asked.
4) Questions and Answers : Wish list : Using GPUs for number crunching (Message 33133)
Posted 29 Mar 2008 by old_user7711
Post:
Has anyone given any consideration of coding a plug in that would allow using the processor in a GPU to do the math for this project. NVidia has \"cuda\" which enables C programs to utilized the advanced processors in their 8xxx series and higher graphics cards to be used for number crunching.

Considering the time it takes to process a single model, even on a reasonably fast machine I believe this would greatly benifit the project.

Thanks




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