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Host lacks double precision

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Message 35596 - Posted: 13 Jan 2010, 14:50:33 UTC

What is this all about?
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Message 35597 - Posted: 13 Jan 2010, 15:14:55 UTC - in response to Message 35596.  

You need a double precision gpu to do this project on a gpu. Single precision is not used. A few other projects may be able to be done on it instead.
Doesn't expecting the unexpected make the unexpected the expected?
If it makes sense, DON'T do it.
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Profile David Glogau*
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Message 35619 - Posted: 13 Jan 2010, 23:37:01 UTC

There are other threads about this subject, but on the hardware side if you are running cuda you need a GTX260 or up, if you are ATI based you need 48XX or up.

If you are thinking to purchase hardware for this project, get ATI equipment as their cards are way faster than cuda.

As to why use double precision? The projects deals in astronomical distances, and single precision does NOT give the accuracy provided.

Cheers
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Message 35620 - Posted: 13 Jan 2010, 23:47:35 UTC - in response to Message 35619.  

well : AMD HD 38xx and 47xx work too !
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Message 35642 - Posted: 14 Jan 2010, 10:37:34 UTC - in response to Message 35620.  

Thanks, I stand corrected, AMD rules.
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Message boards : Number crunching : Host lacks double precision

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