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27151

LUMI, Europe’s most powerful supercomputer

LUMI is the first pre-exascale supercomputer of the EuroHPC Joint Undertaking and is now Europe’s most powerful supercomputer. It will be inaugurated on Monday 13 June 2022 in Kajaani. LUMI offers European researchers a world-class tool for understanding complicated phenomena, such as climate change. LUMI serves as a…

27168

How far behind a plane is its noise?

If you’re ever near a relatively low flying airplane, you may have noticed that it sounds like it’s in a different spot in the sky than where it actually is. You can hear the loud engines, and your ears tell you it should be in one place, but your eyes tell you it’s clearly well ahead of its noise. It’s a funny visual…

27169

Making Code Faster

I’ve enjoyed writing software for 40+ years now. Lots of activities fall into that “writing software” basket, and here’s my favorite: When you have a body of code with a decent unit-test suite and you need to make it go faster. This part of the Quamina diary is a case study of making a piece of the library faster.

27179

A new day for Insteon

We are a small group of passionate Insteon users that have successfully acquired Insteon. Like many of you, our homes are powered by Insteon’s amazing dual-mesh technology and highly configurable products. Most of you discovered that the Insteon Hubs began coming back online. Our first priority was getting the hubs on