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Search: Posts Made By: keisentraut
Forum: Software 2020-08-31, 10:56
Replies: 338
Sticky: Prime95 v30.3
Views: 17,520
Posted By keisentraut
Another issue: Here is an example of Ben Delo...

Another issue: Here is an example of Ben Delo having certified his own result: M99841073 (https://www.mersenne.org/report_exponent/?exp_lo=99841073&full=1). I do not understand the math enough, but...
Forum: Software 2020-08-31, 10:25
Replies: 338
Sticky: Prime95 v30.3
Views: 17,520
Posted By keisentraut
I think the server upload is congested. I run...

I think the server upload is congested. I run into timeouts, using an ISP in Germany. Speed of downloading the new mprime build was very slow, too.


Please note that you easily might create an...
Forum: Software 2020-08-27, 20:19
Replies: 338
Sticky: Prime95 v30.3
Views: 17,520
Posted By keisentraut
I just got a CERT assignment which was assigned...

I just got a CERT assignment which was assigned while I had left mprime unattended for a few hours. This is not good, because I have one machine which runs mprime only sometimes and takes around 2...
Forum: Software 2020-08-19, 19:14
Replies: 338
Sticky: Prime95 v30.3
Views: 17,520
Posted By keisentraut
That is not what I am experiencing. Just...

That is not what I am experiencing. Just restarted mprime on my laptop and it got a new CERT test but then continued the the LL-DC which does not end before September:

[user@laptop mprime]$...
Forum: Software 2020-08-18, 19:14
Replies: 338
Sticky: Prime95 v30.3
Views: 17,520
Posted By keisentraut
I just tested this and feel honored to have...

I just tested this and feel honored to have certified M98282071 (https://www.mersenne.org/report_exponent/?exp_lo=98282071&full=1) from George Woltman :smile: One minor comment, not sure if it was...
Forum: Software 2020-08-18, 07:03
Replies: 2
Views: 472
Posted By keisentraut
Ok, so this was totally stupid, sorry for asking...

Ok, so this was totally stupid, sorry for asking in the first place: I recently had to put kernel updates on hold because of some unrelated regression. This prevented the nvidia driver from loading...
Forum: Software 2020-08-17, 12:46
Replies: 2
Views: 472
Posted By keisentraut
mfaktc 0.21 - CUDA runtime wrong

I want to compile and run mfaktc 0.21 on my Arch Linux laptop. This has worked well until a few months ago, but now it doesn't, likely because of some upgrade which I didn't pay attention to....
I...
Forum: Factoring 2020-07-30, 10:49
Replies: 8
Views: 755
Posted By keisentraut
Thanks for your feedback. My assumption was that...

Thanks for your feedback. My assumption was that a single ECM curve is equally likely to find a factor like a P-1 run, but for P-1 computations are easier and you additionally gain extra "B1" because...
Forum: Factoring 2020-07-30, 09:23
Replies: 8
Views: 755
Posted By keisentraut
Are ECM curves with B1=50000 useful at all?

I recently did some ECM factoring (worktype 5, first factors of Mersenne numbers) on my laptop, mainly because those assignment do need less memory and finish fast (laptop does not run 24/7). Also,...
Forum: Cloud Computing 2020-07-30, 08:51
Replies: 52
Views: 11,657
Posted By keisentraut
I think the EFS/EBS method in this guide is not...

I think the EFS/EBS method in this guide is not optimal for Spot instance because you have fixed costs if you stop for a long time when spot prices are high.


I have a S3 bucket, where mprime,...
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