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Message 64392 - Posted: 20 Mar 2016, 8:14:42 UTC

Why all amd opencl workunits finally run into failure on my HD6970?
The computing only last 6-8secs then told me they fail to success.
What a pity!
Have you guys fixed that bug yet?
It's important to me, for the only reason I bought HD6970 was running milkyway@home wus.
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Message 64404 - Posted: 23 Mar 2016, 17:50:10 UTC - in response to Message 64392.  
Last modified: 23 Mar 2016, 17:51:53 UTC

MW@H has a ongoing problem with the MW v1.02 app with HD 5800s & 6900s after Cat 13.1 drivers (yea, it's been that long!).

See this thread for more info http://milkyway.cs.rpi.edu/milkyway/forum_thread.php?id=3400

Basically you can either turn off the MW v1.02 app (online account), use Cat 13.1 drivers, or mod later drivers.

[edit]Nm, I see you've already visited that thread ;)
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Message 64533 - Posted: 5 May 2016, 8:40:46 UTC

I'd like to add my own situation here, since this thread seems to have the most recent info on this common question.

Running online upgrade to Ubuntu 16.04 amd64.
BOINC: 7.6.31.
CPU/GPU: AMD A10-7700K Radeon R7.
These extracts from the Event Log show the key points...

Thu 05 May 2016 12:40:45 ICT | | OpenCL: AMD/ATI GPU 0: AMD KAVERI (DRM 2.43.0, LLVM 3.8.0) (driver version 11.2.0, device version OpenCL 1.1 MESA 11.2.0, 1024MB, 1024MB available, 346 GFLOPS peak)
Thu 05 May 2016 12:40:45 ICT | | Host name: john-desktop
Thu 05 May 2016 12:40:45 ICT | | Processor: 4 AuthenticAMD AMD A10-7700K Radeon R7, 10 Compute Cores 4C+6G [Family 21 Model 48 Stepping 1]

This shows that Ubuntu 16.04 can use OpenCL if everything installed, and that OpenCL sees KAVERI as a platform. So far so good? But further down we see...

Thu 05 May 2016 12:53:59 ICT | Milkyway@Home | No tasks sent
Thu 05 May 2016 12:53:59 ICT | Milkyway@Home | Message from server: ATI GPU R600 (R38xx) does not support OpenCL
Thu 05 May 2016 12:53:59 ICT | Milkyway@Home | Tasks for NVIDIA GPU are available, but your preferences are set to not accept them

First question is why doesn't m@h correctly detect the KAVERI AMD APU in use, as BOINC does?
Second, I see some AMD GPUs are cited below, but does anyone know if the R7 series should be able to run GPU units?

I know this is rather an old one, but maybe someone has some ideas. Thanks in advance.
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Message 64534 - Posted: 5 May 2016, 10:10:13 UTC - in response to Message 64533.  

As an afterthought I should have mentioned that I'm using the default Ubuntu graphics drivers. Fglrx is deprecated in 16.04.
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Message 65532 - Posted: 25 Oct 2016, 6:39:20 UTC

In windows 10 home and pro their default drivers from Microsoft do not support openCL and many users could believe this as unsupportable hardware. There are legacy drivers from GPU vendors dating back to windows Vista that do support OpenCL and should be useable. AMD call them Legacy drivers. Perhaps this issue exists in Vista and 7.
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Message 65533 - Posted: 25 Oct 2016, 6:43:37 UTC - in response to Message 65532.  

PERSONALLY I WOULDNT USE XP ANYMORE BUT HEY EVERYONES GOT THEIR LLIKES
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Message 66007 - Posted: 13 Dec 2016, 2:19:41 UTC

Just added a Geforce 210 into a PC without on-board video. Looks like it is not supported by Milkyway. Tried to download some tasks, and am not getting any. I'm just checking to confirm that this card will not work here.

Thanks.

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Message 66012 - Posted: 13 Dec 2016, 16:58:25 UTC - in response to Message 61688.  

I tried this on my GTX-750ti in Ubuntu 14.04 and get the following. I am running 334.21 which as far as I know is the only driver for this card in Ubuntu at this time. The card runs Einstein, DiRT and Collatz fine. But it does not run Folding@Home currently. Is this just a matter of waiting for the developers to provide work units that support Maxwell, or is there something I need to do?

Sun 04 May 2014 10:22:23 AM MDT | | CUDA: NVIDIA GPU 0: GeForce GTX 750 Ti (driver version unknown, CUDA version 6.0, compute capability 5.0, 2047MB, 1856MB available, 2409 GFLOPS peak)
Sun 04 May 2014 10:22:23 AM MDT | | App version needs OpenCL but GPU doesn't support it
Sun 04 May 2014 10:22:23 AM MDT | Milkyway@Home | Application uses missing NVIDIA GPU
Sun 04 May 2014 10:22:23 AM MDT | | App version needs OpenCL but GPU doesn't support it
Sun 04 May 2014 10:22:23 AM MDT | Milkyway@Home | Application uses missing NVIDIA GPU


Sun 04 May 2014 12:30:05 PM MDT | Milkyway@Home | [error] App version uses non-existent NVIDIA GPU
Sun 04 May 2014 12:30:05 PM MDT | Milkyway@Home | [error] Missing coprocessor for task de_separation_86_DR8_Rev_7_4_002_1398336302_3976752_1; aborting


I can run MW on my GTX 750ti, using win7.
Your message looks like you have no open-CL package installed. I would start there when looking for a solution.
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Message 66013 - Posted: 13 Dec 2016, 22:03:02 UTC - in response to Message 66007.  

Just added a Geforce 210 into a PC without on-board video. Looks like it is not supported by Milkyway. Tried to download some tasks, and am not getting any. I'm just checking to confirm that this card will not work here.

Thanks.


The GeForce 210 does not have double precision compute capability required by MW.

Joe
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Message 67966 - Posted: 27 Dec 2018, 16:59:14 UTC - in response to Message 65532.  

In windows 10 home and pro their default drivers from Microsoft do not support openCL and many users could believe this as unsupportable hardware. There are legacy drivers from GPU vendors dating back to windows Vista that do support OpenCL and should be useable. AMD call them Legacy drivers. Perhaps this issue exists in Vista and 7.



Which is why whenever Windows 10 does one of their automatic updates for the video driver, no GPU task will run because of now I have a "GPU not found" error message in BOINC message window. This is solved by just going to the NVIDIA or AMD website and download their drivers. Once installed, all should be well again.

Thank you Microsoft for making life harder.
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Message 67967 - Posted: 27 Dec 2018, 17:08:21 UTC - in response to Message 67966.  

Which is why whenever Windows 10 does one of their automatic updates for the video driver, no GPU task will run because of now I have a "GPU not found" error message in BOINC message window.

I will be building a Windows 10 machine shortly. I would prefer Windows 7, but it does not support the new hardware (AMD Ryzen 2600 APU).
Fortunately, it is a dedicated machine, so after all the updates, etc. I will just disable the MS Update service.

MS is best ignored as much as possible these days. Bill Gates would have never stood for this nonsense.
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Message 67981 - Posted: 3 Jan 2019, 18:07:40 UTC

Matthew

Any chance of an updated table for what old & new GPUs work with the new apps?
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Message 67987 - Posted: 5 Jan 2019, 23:08:31 UTC

Sorry for being difficult. But it looks like DP FPU is more useful here. I plan to buy something to go with my RTX 2070, But from my reading a K80 has 4 times more DP. Will it work for your work?
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Message 67990 - Posted: 7 Jan 2019, 17:49:39 UTC - in response to Message 67987.  

Sorry for being difficult. But it looks like DP FPU is more useful here. I plan to buy something to go with my RTX 2070, But from my reading a K80 has 4 times more DP. Will it work for your work?

I can't verify a K80 will work but I wonder how do you keep it cool? It has passive cooling and you need to force air through it.

What do you plan on spending? For the money there may be better options.
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Message 67991 - Posted: 8 Jan 2019, 1:13:32 UTC

Well I have a RTX 2070. However it is hard to find if a project uses the DP function or not. So I was attempting to find GPU's or compute cards that will do the most work for the $. Passive, I know I would have to adapt cooling ($700) for a K80. If DP function is used I have seen some AMD GPU's that are older and better on that part. If SP is more important then I will stick to RTX series.
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Message 67992 - Posted: 8 Jan 2019, 15:00:12 UTC - in response to Message 67991.  

For Milkyway@Home, GPUs with high DP rule. Einstein@Home uses some DP also but not as much as this project. Cooling is going to be the challenge with a Tesla. As the GPU temps rise above the 60C-70C range it will begin to downclock a little and if they keep going up it will keep downclocking and you will never get the performance you expected. That was my experience messing around with an AMD FirePro S9100 which had passive cooling. Also keep in mind the K80 is really 2xK40 GPUs on a single board so the system and Boinc will see it as two separate GPUs. This may not matter on all projects but those where there's a lot of CPU to GPU communication, like Einstein, the number of PCIe lanes available to each GPU makes a little bit of a difference. A K80 will be 2 GPUs using just 16 PCIe lanes. Another option to get the same processing power as a K80 would be to try to snag a couple Titan Black GPUs. They are the same Kepler chip family as the K40/K80, the Titan Black has a cooler with a fan and if you put them in a LGA 2011 or new system, each GPU should have 16 PCIe lanes. Just food for thought.

Of course, if money were no obstacle, get a Titan V!
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Message 67993 - Posted: 8 Jan 2019, 23:12:18 UTC - in response to Message 67992.  

Thanks for that explanation. And I will compare those keeping in mind the results you found.
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Message 68072 - Posted: 27 Jan 2019, 2:30:56 UTC

fewer people..day by day
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Message 68085 - Posted: 31 Jan 2019, 18:12:19 UTC - in response to Message 68072.  

Huh? Care to clarify? Do you mean the forum or the project? (not that it's really relevant to this thread).
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Message 68133 - Posted: 10 Feb 2019, 21:35:15 UTC - in response to Message 67993.  

Thanks for that explanation. And I will compare those keeping in mind the results you found.

Regarding the GPUs with passive cooling, I saw where people remove the shroud and zip tie a couple case fans on the heat sink.
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