Restricting maxwell core18

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Restricting maxwell core18

Postby kyleb » Thu Jan 01, 2015 11:04 pm

Given some known driver issues with recent NVIDIA maxwell chips and Core18 (https://www.reddit.com/r/foldingathome/ ... l_support/), we are temporarily restricting our core18 projects (e.g. 1047*) to use pre-maxwell GPUs. I'll be making the changes Friday morning. Hopefully this restriction will be a temporary fix, with full maxwell support in the future.
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Re: Restricting maxwell core18

Postby ChristianVirtual » Fri Jan 02, 2015 6:00 am

Hopefully we have enough 9201 to crunch and it take not much time for nV to deploy a revised version ...

Oh, and happy new year 2015 :D
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Re: Restricting maxwell core18

Postby billford » Fri Jan 02, 2015 2:44 pm

Does this mean that the "workaround" code for the NV bug will be removed from Core_18?

Thus (hopefully) making it easier to produce a Linux version which will be ready to go when nVidia get their act together :wink:
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Re: Restricting maxwell core18

Postby kyleb » Fri Jan 02, 2015 2:49 pm

For now, the core version will stay the same. Eventually we hope that the workaround will no longer be necessary.
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Re: Restricting maxwell core18

Postby billford » Fri Jan 02, 2015 2:54 pm

OK, thanks.
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Re: Restricting maxwell core18

Postby DocJonz » Fri Jan 02, 2015 10:41 pm

Not seen any changes yet on a couple of GTX 970's - did P91xx's get included in this restriction?
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Re: Restricting maxwell core18

Postby kyleb » Fri Jan 02, 2015 11:06 pm

Not yet
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Re: Restricting maxwell core18

Postby msultan » Sat Jan 03, 2015 3:01 am

Happy New Year everyone and thanks to Kyle for getting me up to speed on whats been happening. I have restricted 9104-9114 Core 18 projects to be pre-Maxwell as well. Cheers!
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Re: Restricting maxwell core18

Postby DocJonz » Sat Jan 03, 2015 8:58 am

Excellent - Well I think that is a positive start to GPU Folding in 2015.
We now just need to finish off the rest of the (EOL) Core 15 WU's .... :D
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Re: Restricting maxwell core18

Postby bruce » Sat Jan 03, 2015 4:55 pm

DocJonz wrote:We now just need to finish off the rest of the (EOL) Core 15 WU's .... :D


Maybe ... maybe not. WUs should be assigned based on both availability and on priority. If there are currently no high-priority WUs available for whatever reason, does it make more sense to assign a low-priority WU or to give a message saying no WUs are available? As long as there's still important scientific value in collecting more low-priority data, then shouldn't it be happening?

Of course there are a lot of unknowns about the future. Once FAH's Streaming Infrastructure is rolled out, almost anything can happen but I think it's fair to assume the current infrastructure will remain in place, at least for a long time.
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Re: Restricting maxwell core18

Postby SwingOp3 » Sun Jan 04, 2015 1:55 am

msultan wrote:Happy New Year everyone and thanks to Kyle for getting me up to speed on whats been happening. I have restricted 9104-9114 Core 18 projects to be pre-Maxwell as well. Cheers!


Well, that's an awesome start to the new year!

Thank you for stepping up in support of us Maxwell purchasers - especially those who've purchased them solely to contribute to FAH.
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Re: Restricting maxwell core18

Postby Grandpa_01 » Sun Jan 04, 2015 3:07 am

SwingOp3 wrote:
msultan wrote:Happy New Year everyone and thanks to Kyle for getting me up to speed on whats been happening. I have restricted 9104-9114 Core 18 projects to be pre-Maxwell as well. Cheers!


Well, that's an awesome start to the new year!

Thank you for stepping up in support of us Maxwell purchasers - especially those who've purchased them solely to contribute to FAH.


I do not know that that is a fair statement, The problem is a NVidia driver issue not a F@H issue I do not think PG can do anything about it in this case.
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2 - SM H8QGi-F AMD 6xxx=112 cores @ 3.2 & 3.9Ghz
5 - SM X9QRI-f+ Intel 4650 = 320 cores @ 3.15Ghz
2 - I7 980X 4.4Ghz 2-GTX680
1 - 2700k 4.4Ghz GTX680
Total = 464 cores folding
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Re: Restricting maxwell core18

Postby SwingOp3 » Sun Jan 04, 2015 7:31 am

Grandpa_01 wrote:
SwingOp3 wrote:
msultan wrote:Happy New Year everyone and thanks to Kyle for getting me up to speed on whats been happening. I have restricted 9104-9114 Core 18 projects to be pre-Maxwell as well. Cheers!


Well, that's an awesome start to the new year!

Thank you for stepping up in support of us Maxwell purchasers - especially those who've purchased them solely to contribute to FAH.


I do not know that that is a fair statement, The problem is a NVidia driver issue not a F@H issue I do not think PG can do anything about it in this case.


I understand that it is a driver issue but the fact that PG made a move like this is encouraging to me for all users.
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Re: Restricting maxwell core18

Postby D.G.Lang » Tue Jan 06, 2015 12:43 am

As one who has purchased a GTX980 strictly for folding, I am extremely pleased at this adjustment. The last 19 workunits I've received for my 980 averaged 36,000 and 39,000 every two and a half hours, consistently over 300,000 points per day with a very fast turnover.

The first week I had my 980 it was producing at the same rate but then the new workunits arrived and production plummeted to the point that I almost quit folding entirely. I bought the GTX980, a GTX760, and a GTX770 all during the two months prior to the disaster.

Since I am retired living on Social Security and a very small pension those three video cards were a MAJOR investment for me and I was really offended by the points decrease by those workunits on the 980.
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Re: Restricting maxwell core18

Postby Kjetil » Tue Jan 06, 2015 4:24 pm

And i by 3 more 980, i will then have 11 980 and 5 970. 100% 24/7 FAH.
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