OpenCL lib not detected AMD 5500XT and Mint 20

It seems that a lot of GPU problems revolve around specific versions of drivers. Though AMD has their own support structure, you can often learn from information reported by others who fold.

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Re: OpenCL lib not detected AMD 5500XT and Mint 20

Postby bruce » Thu Aug 13, 2020 4:35 am

jeffmr4 wrote:Looks like it is folding a little slow though. Over 5 hours to process a unit. Not sure if that is slow or normal?


Where did you get the information that this is a little slow? 5 hours is not unexpected.

FAH computes different WUs in widely varying amounts of time. It depends on the total numbers of atoms in the protein AND on the characteristics of your computer. Deadlines for individual projects vary from a fraction of a day to as much as 20 days. See https://apps.foldingathome.org/psummary
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Re: OpenCL lib not detected AMD 5500XT and Mint 20

Postby jeffmr4 » Thu Aug 13, 2020 5:55 am

I just saw that the unit was 5 times the size of the cpu unit so this seems like it might be right.
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Re: OpenCL lib not detected AMD 5500XT and Mint 20

Postby gunnarre » Thu Aug 13, 2020 6:48 am

What do "Estimated TPF" and "Estimated PPD" say when you select the GPU slot? (Let it work for about 5% at least.)
Image
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Re: OpenCL lib not detected AMD 5500XT and Mint 20

Postby bruce » Thu Aug 13, 2020 7:59 am

jeffmr4 wrote:I just saw that the unit was 5 times the size of the cpu unit so this seems like it might be right.


You also might consider the fact that if one WU has N atoms and another WU has 5*N atoms, that means that there might be the need to calculate a lot more than 5x as many forces between pairs of atoms
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