Split my DP AMD card in two SP gpus

Message boards : Number crunching : Split my DP AMD card in two SP gpus
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The_Matrix
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Message 1759486 - Posted: 26 Jan 2016, 22:16:49 UTC

Hello, it just an idea I had, but is it possible
to use a DoublePrecision GPU as a twoway SinglePrecision
operating device ?

I have noticed SETI uses only SinglePrecision, why not
use the full capaceties ?

Is there a way to do that ? How could it be make real ?

Must be a gpu splitting in the drivers of AMD !?

I asking this because my HD 6950 can crunsh but why
does it not uses its double capabilitys ?

Have u ever tryed ? Im searching in google , but no success...

Thats all.
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Message 1759506 - Posted: 26 Jan 2016, 23:16:40 UTC

No, thats not possible.
Way to complicated to explain.


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Message 1759508 - Posted: 27 Jan 2016, 0:10:52 UTC

I think a quick explanation might be the same reason why you can't run two 32-bit apps on a 64-bit CPU to "fully use" the 64-bit processor.
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Profile Raistmer
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Message 1759674 - Posted: 27 Jan 2016, 13:25:13 UTC

Actually, GPU uses just reverse sequence. To combine 2 SP units to produce DP number. That's why DP performance much smaller than SP one on GPUs.
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Message boards : Number crunching : Split my DP AMD card in two SP gpus


 
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