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OpenCL

Raistmer
Adept II
‎09-05-2019 03:28 AM

Broken OpenCL drivers for RX5700

Hello. I see many messages regarding wrong results that AMD RX 5700 cards producing.

Those results are consistent (being WRONG) enough to pass statistical validation.

Why AMD being long-term and knowable corporation allows itself to put such broken product on market?

And when to expect fix for OpenCL part of drivers for those cards??

Also, who responsible in AMD for OpenCL drivers quality control and is he still not dismissed?

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3 Replies
dipak
Big Boss
‎09-06-2019 02:39 AM

It would be helpful if you can provide more details about the OpenCL related issue(s) that you've mentioned above. I'll check with the concerned team and try to get an update on this.

Thanks.

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Raistmer
Adept II
‎09-08-2019 05:17 PM

I have no time for debugging right now but at first glance it seems wrong computation on very initial pipeline stages of SETI@home app. Perhaps, first FFT already wrong.

So, check available in sources oclFFT work on those cards.

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dipak
In response to Raistmer
Big Boss
‎09-11-2019 06:38 AM

Thank you. If you suspect that some FFT calculation is producing wrong result on RX 5700 with the latest driver, we can try to verify/reproduce it at our end. To reproduce the issue, we need below inputs:

  1. Steps to reproduce the issue.
  2. Link to download the source packages (e.g oclFFT )
  3. Any particular setting/configuration that causing the wrong result

Thanks.

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