170
My new laptop chip has an 'AI' processor in it, and it's a complete waste of space
(www.pcgamer.com)
this post was submitted on 12 Aug 2025
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I have to wonder if NPUs are just going to eventually become a normal part of the instruction set.
When SIMD was first becoming a thing, it was advertised as accelerating "multimedia," as that was the hot buzzword of the 1990s. Now, SIMD instructions are used everywhere, any place there is a benefit from processing an array of values in parallel.
I could see NPUs becoming the same. Developers start using NPU instructions, and the compiler can "NPU-ify" scalar code when it thinks it's appropriate.
NPUs are advertised for "AI," but they're really just a specialized math coprocessor. I don't really see this as a bad thing to have. Surely there are plenty of other uses.
I agree, we should push more to get the open and standardized API for these accelerators, better drivers and better third party software support. As long as the manufacturers keep them locked and proprietary, we won't be able to use them outside of niche copilot features no one wants anyway.