this post was submitted on 04 Dec 2023
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Why hasn't 128 bit been introduced yet? (alien.top)
submitted 11 months ago by [email protected] to c/[email protected]
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x86 came out 1978,

21 years after, x64 came out 1999

we are three years overdue for a shift, and I don't mean to arm. Is there just no point to it? 128 bit computing is a thing and has been in the talks since 1976 according to Wikipedia. Why hasn't it been widely adopted by now?

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[–] [email protected] 1 points 11 months ago

Is address space the only reason we moved away from 32-bit for high-performance computers though? Does 64-bit have any performance advantages over 32-bit apart from that? What about SIMD performance?