this post was submitted on 22 Nov 2023
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Do today chips still have die space for old instruction set? (alien.top)
submitted 10 months ago by [email protected] to c/[email protected]
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This is just a nitpicking question. Do Intel chips still have some space/transistors dedicated to SSE3? If they do, why can't they implement SSE3 by other, more powerful instrutions (like AVX) to save die space?

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[–] [email protected] 0 points 10 months ago

Modern x86 chips are so large that the space the decoder takes is relatively small.

It would be a different story if you wanted a tiny cheap low power chip. Then you might be better off with ARM or RISC-V.