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Forum: And now for something completely different 2021-05-10, 00:04
Replies: 49
Views: 2,061
Posted By paulunderwood
Hah. I'll abort my run,

Hah. I'll abort my run,
Forum: And now for something completely different 2021-05-09, 21:29
Replies: 49
Views: 2,061
Posted By paulunderwood
I'll gladly run it. Starting now.

I'll gladly run it. Starting now.
Forum: GPU Computing 2021-05-09, 20:09
Replies: 18
Views: 279
Posted By paulunderwood
The k80 has a non-standard power socket. This is...

The k80 has a non-standard power socket. This is why we strongly recommend a power feed from two PCI-e to K80 (special) which can get from eBay for a fiver. Search: "K80 power cable"..
Forum: And now for something completely different 2021-05-09, 15:30
Replies: 49
Views: 2,061
Posted By paulunderwood
:party:

:party:
Forum: GPU Computing 2021-05-09, 13:41
Replies: 18
Views: 279
Posted By paulunderwood
:goodposting: :tu:

:goodposting: :tu:
Forum: GPU Computing 2021-05-09, 13:02
Replies: 18
Views: 279
Posted By paulunderwood
https://www.youtube.com/watch?v=wB9QtsDeAMo ...

https://www.youtube.com/watch?v=wB9QtsDeAMo

It looks like you have a power pin-out problem. This guy says you need a CPU plug not PCI-e. Maybe you can get a converter (at your own risk). If you...
Forum: GPU Computing 2021-05-09, 12:45
Replies: 18
Views: 279
Posted By paulunderwood
This was one solution:...

This was one solution: https://www.dell.com/community/Rack-Servers/R730-and-NVIDIA-Tesla-K80-Not-Detected/td-p/7629428
Forum: GPU Computing 2021-05-09, 12:27
Replies: 18
Views: 279
Posted By paulunderwood
The WX 2100 is 250w max and the GV100 is 35w....

The WX 2100 is 250w max and the GV100 is 35w. However, the k80 is 300w and this is possibly too much for your DELL system and risks damage to it.
Forum: Lounge 2021-05-09, 07:50
Replies: 217
Views: 35,428
Posted By paulunderwood
Not really anything to do with M52 predictions......

Not really anything to do with M52 predictions... If you want a site to be "mobile friendly" why not do the changes needed yourself? Or pay somebody else for the makeover? Why do you expect things to...
Forum: And now for something completely different 2021-05-09, 02:26
Replies: 49
Views: 2,061
Posted By paulunderwood
But, Serge, you have not told what it is! Why the...

But, Serge, you have not told what it is! Why the suspense?

OMG, over 8 million digits!

Bigger than M42, and if it was proven 11th largest prime.
Forum: Hardware 2021-05-07, 10:57
Replies: 172
Views: 22,559
Posted By paulunderwood
Scary number of pads on the "chip" -- would have...

Scary number of pads on the "chip" -- would have to be carefully accurate putting into the socket.
Forum: Miscellaneous Math 2021-05-07, 10:24
Replies: 0
Views: 103
Posted By paulunderwood
Cool Divertimento

Based on the Frobenius tests over:

x^2-a*x+a==0 with kronecker(a^2-4*a,n)==-1
x^2-a*x-a==0 with kronecker(a^2+4*a,n)==-1

which can be transformed into

a^((n-2)/2)==kronecker(a,n) (mod n)...
Forum: Hardware 2021-05-06, 18:09
Replies: 16
Views: 448
Posted By paulunderwood
And sell the system, and wait and buy 2nm tech...

And sell the system, and wait and buy 2nm tech (https://www.bbc.co.uk/news/technology-57009930).
Forum: Hardware 2021-05-06, 01:44
Replies: 16
Views: 448
Posted By paulunderwood
Remove 2 sticks of RAM (DIMMS) if the CPU runs...

Remove 2 sticks of RAM (DIMMS) if the CPU runs with dual channel -- make sure it is running in channel afterwards.

Underclock the CPU and reduce the CPU voltage -- this might require some...
Forum: Lounge 2021-05-05, 03:15
Replies: 40
Views: 2,694
Posted By paulunderwood
Tchaikovsky's 6th symphony, 2nd movement: ...

Tchaikovsky's 6th symphony, 2nd movement:

dLlo3i7qZME
Forum: And now for something completely different 2021-05-05, 02:09
Replies: 54
Views: 18,150
Posted By paulunderwood
Bill Allombert replied to my enquiry to him about...

Bill Allombert replied to my enquiry to him about the certiifcation of U(130021):
Forum: Lounge 2021-05-04, 20:50
Replies: 40
Views: 2,694
Posted By paulunderwood
Mars, "the bringer of war", The Planets, Gustav...

Mars, "the bringer of war", The Planets, Gustav Holst is in 5/4 time

Jmk5frp6-3Q
Forum: And now for something completely different 2021-05-04, 19:41
Replies: 54
Views: 18,150
Posted By paulunderwood
It will interesting to hear of what hardware they...

It will interesting to hear of what hardware they are using -- maybe a cluster?
Forum: Information & Answers 2021-05-04, 18:44
Replies: 15
Views: 368
Posted By paulunderwood
https://www.mersenne.org/report_exponent/?exp_lo=1...

https://www.mersenne.org/report_exponent/?exp_lo=110826539&full=1 now shows "verified" :smile:

I can only reiterate that you run ls -laR | grep root in your mprime directory.
Forum: Information & Answers 2021-05-04, 15:36
Replies: 15
Views: 368
Posted By paulunderwood
gpuOwl comes with a file called upload.py...

gpuOwl comes with a file called upload.py (https://github.com/preda/gpuowl/blob/master/tools/upload.py) which I use like this

./upload.py PaulUnderwood <blah>.proof

mprime should do the upload...
Forum: Information & Answers 2021-05-04, 15:06
Replies: 15
Views: 368
Posted By paulunderwood
Please see my previous post. I defer to another...

Please see my previous post. I defer to another to tell how to do a manual upload of the proof file. Firstly you will have to copy and paste the json information for the exponent from the results.txt...
Forum: Information & Answers 2021-05-04, 14:48
Replies: 15
Views: 368
Posted By paulunderwood
Sure. My advice is stop mprime and exit. Remove...

Sure. My advice is stop mprime and exit. Remove the line form worktodo.txt. Start mprime. Wait for a communication between the server and the local spool file OR do a manual upload of the proof this...
Forum: Information & Answers 2021-05-04, 13:44
Replies: 15
Views: 368
Posted By paulunderwood
I think the worktodo.txt file if for work to do...

I think the worktodo.txt file if for work to do and not upload. You have to await comms with the server for the spool (https://en.wikipedia.org/wiki/Spooling) to be processed.

(Yes, you can go to...
Forum: Information & Answers 2021-05-04, 13:19
Replies: 15
Views: 368
Posted By paulunderwood
Do ls -laR * in your mprime directory. If you see...

Do ls -laR * in your mprime directory. If you see ownership to root run sudo chown -R dave:dave * in your mprime directory, assuming "dave" is your username.
Forum: Software 2021-05-03, 16:49
Replies: 2
Views: 118
Posted By paulunderwood
That looks okay; I don't think command line...

That looks okay; I don't think command line options are needed. Thanks.
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