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Why we don't have 128-bit CPUs(www.xda-developers.com)

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jwr1@kbin.earth
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sugar_in_your_tea@sh.itjust.works
22 points

And you can get 128-bit data to the CPU, so those things can be fast if we need them to be.

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henfredemars@infosec.pub
21 points

And we have wide instructions that can process this data, such as for multimedia applications.

Addressing and memory size has been the historic motivator for wider registers, but it’s probably not going to be in my lifetime that I see the need for 128.

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