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Search: Posts Made By: paulunderwood
Forum: GPU Computing 2020-06-06, 23:36
Replies: 2,284
Views: 120,358
Posted By paulunderwood
The later versions of gpuowl are auto-geared for...

The later versions of gpuowl are auto-geared for P-1.

The server issues the right code if P-1 is required.
Forum: Hardware 2020-06-06, 01:31
Replies: 1
Views: 70
Posted By paulunderwood
Maybe run Slax-PXE to serve those computers that...

Maybe run Slax-PXE to serve those computers that can handle the kernel over PXE. Would mean having two servers? Or can you deliver a 32-bit kernel from Slax-PXE to those computers that are 32-bit?...
Forum: GPU Computing 2020-06-05, 13:16
Replies: 2,284
Views: 120,358
Posted By paulunderwood
In the config you have "GPUOwl Shared" but the...

In the config you have "GPUOwl Shared" but the error has an underscore: "GPUOwl_Shared". Also an extraneous "/"
Forum: Linux 2020-06-05, 12:42
Replies: 27
Views: 463
Posted By paulunderwood
What about a series of mercury delay line tubes?

What about a series of mercury delay line tubes?
Forum: Linux 2020-06-05, 12:38
Replies: 27
Views: 463
Posted By paulunderwood
:direction: Isn't NAS about (controlling)...

:direction:

Isn't NAS about (controlling) file availability on a network, not a backup solution?
Forum: Hardware 2020-06-05, 00:00
Replies: 43
Views: 1,512
Posted By paulunderwood
It is a long shot... Make the beginning of you...

It is a long shot... Make the beginning of you LIBPATH look like this:

LIBPATH = -L/opt/rocm-3.5.0/opencl/lib/x86_64 ...the rest

and run make clean && make gpuowl
Forum: Hardware 2020-06-04, 23:20
Replies: 43
Views: 1,512
Posted By paulunderwood
Try running gpuowl with -h as preda wrote. ...

Try running gpuowl with -h as preda wrote.

What is your gpuowl Makefile's LIBPATH?
Forum: Hardware 2020-06-04, 22:55
Replies: 43
Views: 1,512
Posted By paulunderwood
I told Ernst to sudo ln -s...

I told Ernst to sudo ln -s /usr/lib/x86_64-linux-gnu/libOpenCL.so.1.0.0 /usr/lib/x86_64-linux-gnu/libOpenCL.so but I have this:

ls -l /opt/rocm-3.5.0/lib/libOpenCL.so*
lrwxrwxrwx 1 root root 30...
Forum: Hardware 2020-06-04, 22:13
Replies: 43
Views: 1,512
Posted By paulunderwood
According to (the fallible) Wiki yours is "Lexa"...

According to (the fallible) Wiki yours is "Lexa" type and ROCm says it only supports "Polaris" from the 500 series. Although it does say:



Further, according to this page...
Forum: Linux 2020-06-04, 10:06
Replies: 27
Views: 463
Posted By paulunderwood
OpenMediaVault (https://www.openmediavault.org/)...

OpenMediaVault (https://www.openmediavault.org/) (OMV) is flexible in that you can install it on a r-pi (or similar). A r-pi with 4x 13TB disks should meet your needs!
Forum: Hardware 2020-06-04, 02:36
Replies: 43
Views: 1,512
Posted By paulunderwood
I think you are out of luck: ...

I think you are out of luck:

https://github.com/RadeonOpenCompute/ROCm#Hardware-and-Software-Support

https://en.wikipedia.org/wiki/Radeon_RX_500_series
Forum: GPU Computing 2020-06-03, 04:24
Replies: 2,284
Views: 120,358
Posted By paulunderwood
I managed to get rocm-3.5.0 running after a short...

I managed to get rocm-3.5.0 running after a short battle with Debian Buster, which involved an upgrade, getting some held back packages installed, an "autoclean", another upgrade, a dist-upgrade, a...
Forum: GPU Computing 2020-06-02, 12:11
Replies: 2,284
Views: 120,358
Posted By paulunderwood
What does uname -a report? And ls -d...

What does uname -a report?

And ls -d /opt/roc*?

And what happens when you run (in the gpuowl directory) sudo ./gpuowl?
Forum: GPU Computing 2020-06-02, 02:43
Replies: 2,284
Views: 120,358
Posted By paulunderwood
Please be more explicit in your errors by posting...

Please be more explicit in your errors by posting in code tags the last few lines where it hangs

Did you precede your command with sudo? I.e, sudo ./gpuowl.
Forum: Miscellaneous Math 2020-05-31, 04:23
Replies: 20
Views: 530
Posted By paulunderwood
Congrats on the proof of your number!

Congrats on the proof of your number!
Forum: Miscellaneous Math 2020-05-31, 03:17
Replies: 30
Views: 1,397
Posted By paulunderwood
Another test needs to be done to get matching...

Another test needs to be done to get matching residue. There remains a non-zero chance that the number is prime. Maybe something like 1/2^10000 considering how fantastically accurate GEC is :wink:
Forum: And now for something completely different 2020-05-31, 03:03
Replies: 7
Views: 1,806
Posted By paulunderwood
Are you using a 32 core system?

Are you using a 32 core system?
Forum: GPU Computing 2020-05-29, 20:41
Replies: 284
Views: 14,296
Posted By paulunderwood
You are nearly in the top 50 "First Primality...

You are nearly in the top 50 "First Primality Tests Top Producers (https://www.mersenne.org/report_top_500_ll/)" and it won't be long until you overtake me with my single R7. I max out my bookings,...
Forum: Wagstaff PRP Search 2020-05-27, 08:14
Replies: 371
Views: 29,469
Posted By paulunderwood
grep has results.txt | cut -d' ' -f7,3 | sort |...

grep has results.txt | cut -d' ' -f7,3 | sort | uniq | sed -e's/ / \| /'


Should do it
Forum: Wagstaff PRP Search 2020-05-27, 05:24
Replies: 371
Views: 29,469
Posted By paulunderwood
Fair enough. It is just a polymorphed symbol.

Fair enough. It is just a polymorphed symbol.
Forum: Wagstaff PRP Search 2020-05-26, 22:46
Replies: 371
Views: 29,469
Posted By paulunderwood
If anything A | B is preferable and shorter.

If anything A | B is preferable and shorter.
Forum: Homework Help 2020-05-25, 10:49
Replies: 36
Views: 90,727
Posted By paulunderwood
Do you mean \(\exists\) and \(\Sigma\) and...

Do you mean \(\exists\) and \(\Sigma\) and \(\in\)?
Forum: Miscellaneous Math 2020-05-23, 18:38
Replies: 30
Views: 1,397
Posted By paulunderwood
Is it 3 mod 4? How many tons of coal are...

Is it 3 mod 4?

How many tons of coal are needed to LL test it?

What do you calculate the "chance" of being prime is?

Let me give you an example prime p=2^82589933-1 definitely has no small...
Forum: Miscellaneous Math 2020-05-23, 14:15
Replies: 30
Views: 1,397
Posted By paulunderwood
The "8" --> "10" in the exponent would be beyond...

The "8" --> "10" in the exponent would be beyond expectation. It would take a day on a GPU you to dismiss this claim, assuming P-1 does not turn up a factor.
Forum: Programming 2020-05-22, 21:09
Replies: 5
Views: 396
Posted By paulunderwood
We need to put it to the test with a...

We need to put it to the test with a (b^n-1)/(b-1) number of considerable size not necessarily prime.

./llr64 -q"(10^49081-1)/9" -t4
Invalid expression in command line.


./pfgw64...
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