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Xoroshiro128++ - New version available, new input data

Tag: boinc:minecraft@home
Published 2025-04-04 09:46:02

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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