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Cake day: July 26th, 2023

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  • In modern x86 CPUs, POPCNT is implemented as part of the SSE4 instruction set. For Intel’s chips, it was added as part of SSE4.2 in the original first-generation Core architecture, codenamed Nehalem. In AMD’s processors, it’s included in SSE4a, first used in Phenom, Athlon, and Sempron CPUs based on the K10 architecture. These architectures date back to 2008 and 2007, respectively.

    That effectively bars mid-2000s Intel Core 2 Duo systems and early Athlon 64-era PCs from booting Windows 11 at all, not that they officially supported it in the first place. This means the change should mainly affect retro-computing enthusiasts who spend their days making YouTube videos in the “we installed Windows 11 on a potato, let’s see how it runs” genre rather than users of actual systems.

    You can check if your CPU has SSE 4.2(Intel) or 4a(AMD) but it sounds like unless you’re running some real old stuff you shouldn’t have to worry.










  • During the pandemic, HALO noted on its website that monitoring indoor air quality was an approved use for federal COVID relief money.

    A leading provider, HALO Smart Sensors, sells 90% to 95% of its sensors to schools. The sensors don’t have cameras or record audio but can detect increases in noise in a school bathroom and send a text alert to school officials, said Rick Cadiz, vice president of sales and marketing for IPVideo, the maker of the HALO sensors.

    The sensors are marketed primarily for detecting vape smoke or THC but also can monitor for sounds such as gunshots or keywords indicating possible bullying.

    I don’t know that I’d trust a non-microphone sensor to be good enough to actually identify keywords, but you could probably tell if people were yelling or something.