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Aliquot sequence 3133782 and 3277056 have terminated!!!





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Création : 10 avril 2025

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Science United found a megaprime for base R980.
The prime 31*980^433853-1 has 1.297.754 digits and entered the T5k PrimePages.

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Création : 6 avril 2025

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From April 13 04:29 to April 20 04:29 PrimeGrid will be running a 7 day challenge on the Generalized Cullen/Woodall Prime Search LLR (GCW) project. Note the unusual start and end times! For more information, please see this forum thread.

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Création : 5 avril 2025

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For a little while now, we've been having some problems with outgoing email failing intermittently. All emails from the server seem to have been affected. This includes emails for finding primes, private messages, friend requests, forum subscriptions, and so forth. We're working on it, but as of now we don't understand the root cause and therefore we do not have an ETA for when it will be fixed.

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Création : 4 avril 2025

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Hi everyone,

As I'm sure was noticed, there's a 2nd version of the "xoroshigo" project denoted by v1.1.
This new version has had changes made to its input variables that made it incompatible with the old version, so we could not run it as an updated version of the same app.

That being said, after extensive testing, we've deployed v1.02 of xoroshigo2(or v1.1.1.02, depending on who you ask) to production.
I believe there should also be a potential fix for the issue where work would not suspend when changes are made to computing preferences or work is just simply suspended.

The most notable change is that a member of our team, Andrew, developed a port of one of the most expensive functions (95+% of execution time spent in this function) used in the app to run it as native code for a 20x speedup.
We've cranked the dials, so tasks should be roughly the same size as before, but you may experience runtime variances compared to before. Overall this just means you're completing 20x what you used to in the same amount of time (cheaper on compute resources) - so the credit values are remaining the same.

There is also now an aarch64 build of this app available. We've made best efforts to test this with our limited aarch64 machines, so if any issues are encountered, please let us know.

Finally, I wanted to mention that as of now, we're enforcing a GLIBC 2.17 or above requirement for our apps going forward. I've built a lot of CI test harnesses over the last day or two that allow me to detect issues before they ever hit BOINC, and while I had been doing this already, there is now a check on our internal repo preventing any merges with binaries with a GLIBC over 2.17. This does also mean you'll need GLIBC 2.17 or higher to run the apps we build going forward.

Anyway, happy crunching! As always, please let us know if you run into any issues.

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Création : 4 avril 2025

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Aliquot sequence 3072384, 3176376, 3246240 have terminated!!!







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Création : 3 avril 2025