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Forum: GpuOwl 2020-08-11, 03:45
Replies: 2
Views: 425
Posted By Prime95
AMD rocm installation guide...

AMD rocm installation guide (https://rocmdocs.amd.com/en/latest/Installation_Guide/Installation-Guide.html) suggests this command

sudo usermod -a -G video $LOGNAME

to add yourself to the video...
Forum: Software 2020-08-11, 00:59
Replies: 11
Sticky: Prime95 v30.3
Views: 459
Posted By Prime95
Please upgrade to 30.3 build 2. Two of the...

Please upgrade to 30.3 build 2.

Two of the reported bugs were serious:
1) PRPs without proofs (say, if you upgraded from v29) will fail at the the end of the PRP test by trying to create a proof...
Forum: Software 2020-08-10, 23:30
Replies: 11
Sticky: Prime95 v30.3
Views: 459
Posted By Prime95
Will have a fix tonight.

Will have a fix tonight.
Forum: Software 2020-08-10, 17:16
Replies: 11
Sticky: Prime95 v30.3
Views: 459
Posted By Prime95
GEC for CERT -- no. Interim residues are now...

GEC for CERT -- no.

Interim residues are now written with an MD5 checksum.

Entire proof file is read back after being written to compare MD5 checksums.

Numerous cases of sloppy error...
Forum: News 2020-08-10, 15:28
Replies: 275
Views: 11,489
Posted By Prime95
Version 30.3 should solve the DLL issue. Let me...

Version 30.3 should solve the DLL issue. Let me know if it does not.



The proof uploader wakes up once an hour (or at the start of the user defined time window for uploading).
Forum: Software 2020-08-10, 15:14
Replies: 11
Sticky: Prime95 v30.3
Views: 459
Posted By Prime95
Proofs only work for base 2 numbers. I'll work...

Proofs only work for base 2 numbers. I'll work on a fix for the bug you found.
Forum: Software 2020-08-10, 02:34
Replies: 11
Sticky: Prime95 v30.3
Views: 459
Posted By Prime95
New in v30.3 compared to 30.2

The DLL for libgmp is not compatible with the previous one. This was causing issues for some users (finding the wrong version of the DLL). In this release, the DLL has been renamed to...
Forum: Software 2020-08-10, 02:27
Replies: 11
Sticky: Prime95 v30.3
Views: 459
Posted By Prime95
Placeholder for bugs fixes 1) If a proof is...

Placeholder for bugs fixes

1) If a proof is not being generated prime95 erroneously tries to which gives a file not found error. Fixed in 30.3 build 2.
2) An error getting the CERT starting...
Forum: Software 2020-08-10, 02:26
Replies: 11
Sticky: Prime95 v30.3
Views: 459
Posted By Prime95
Prime95 v30.3

Prime95 version 30.3 build 2 is available.

From whatsnew.txt:

1) PRP proofs. This allows GIMPS to double-check a PRP test at less than 1% of the cost of a full PRP test!
PRP proofs...
Forum: News 2020-08-10, 01:51
Replies: 275
Views: 11,489
Posted By Prime95
The server does part of the proof certification,...

The server does part of the proof certification, you are downloading for the final step of the certification.
Forum: News 2020-08-10, 01:28
Replies: 275
Views: 11,489
Posted By Prime95
Uploads are ~100MB, a CERT download is just ~13MB.

Uploads are ~100MB, a CERT download is just ~13MB.
Forum: News 2020-08-09, 19:41
Replies: 275
Views: 11,489
Posted By Prime95
Right now, there is a disproportionate number of...

Right now, there is a disproportionate number of proofs coming from gpuowl which cannot do CERT work. This leaves the CERT work to the relatively small number of prime95 clients.

This will...
Forum: News 2020-08-09, 19:35
Replies: 275
Views: 11,489
Posted By Prime95
Well, no. My super-primitive Linux menus require...

Well, no. My super-primitive Linux menus require me to apply some limit and I've upped it to 999999.

In reality 40MB/day and infinite MB/day will result in the same amount of CERT work. The...
Forum: Math 2020-08-09, 04:04
Replies: 11
Views: 327
Posted By Prime95
This small exponent should be done by a...

This small exponent should be done by a prime95/GMP-ECM combination
Forum: News 2020-08-09, 02:41
Replies: 275
Views: 11,489
Posted By Prime95
There is a race condition where a proof upload...

There is a race condition where a proof upload attempt is made before uploading the PRP results. Sending results and uploading proofs are in different threads. I remember thinking to myself the...
Forum: News 2020-08-08, 17:10
Replies: 275
Views: 11,489
Posted By Prime95
This is why we have beta testing :) What is...

This is why we have beta testing :)

What is the exponent? I'll investigate. Do not delete the proof file.

There are a few ways this error can happen. Most likely are:
1) You (or prime95)...
Forum: Data 2020-08-08, 05:52
Replies: 211
Views: 12,009
Posted By Prime95
Lifetime of 6 factors found: M160080763 has...

Lifetime of 6 factors found:

M160080763 has a factor: 6027040288606836258928409 [TF:82:83:mfaktc 0.21 barrett87_mul32_gs]
M160173253 has a factor: 11077083125761109161661041 [TF:83:84:mfaktc 0.21...
Forum: Data 2020-08-05, 21:11
Replies: 65
Views: 5,612
Posted By Prime95
Prime95 P-1 in 2001 was not bug-free

Prime95 P-1 in 2001 was not bug-free
Forum: GpuOwl 2020-08-05, 21:10
Replies: 2,393
Views: 135,398
Posted By Prime95
You can use prime95 v30.2 to upload gpuowl...

You can use prime95 v30.2 to upload gpuowl proofs. Just make sure the proof files are in the same folder as prime95.exe. That's what I do (to get bandwidth limiting and time-of-day features).
Forum: News 2020-08-05, 19:26
Replies: 275
Views: 11,489
Posted By Prime95
Yes, CERTs are run until one matches the proof or...

Yes, CERTs are run until one matches the proof or two do not match the proof but match each other. In the latter case, the PRP result is marked "suspect". It could be OK, but must be double-checked...
Forum: GpuOwl 2020-08-05, 00:39
Replies: 2,393
Views: 135,398
Posted By Prime95
Not quite. There is no DC test. You run the PRP...

Not quite. There is no DC test. You run the PRP test, upload the proof file, someone runs the CERT test. Done.
Forum: GpuOwl 2020-08-04, 18:14
Replies: 2,393
Views: 135,398
Posted By Prime95
Neither Mihai or I have a nVidia card. We tend...

Neither Mihai or I have a nVidia card. We tend to leave around some code that may or may not be useful in the case of nVidia.

The FFT5 and FFT10 would only be used in FFT lengths divisible by 5. ...
Forum: News 2020-08-02, 16:36
Replies: 275
Views: 11,489
Posted By Prime95
CERT crunching can be turned off by setting the...

CERT crunching can be turned off by setting the download limit to zero MB per day.
Forum: News 2020-08-02, 15:55
Replies: 275
Views: 11,489
Posted By Prime95
Yes. Or you can use the python script that comes...

Yes. Or you can use the python script that comes with gpuowl.
Forum: News 2020-08-02, 04:13
Replies: 275
Views: 11,489
Posted By Prime95
Random Prime95 changes under consideration

1) Should estimated hours/day in Options/CPU be ditched (moved to undoc.txt)?
Back in the day, it affected what work you might get assigned. It currently affects estimated completion dates in...
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