When chips and programs went from 32 bit to 64 bit it was a huge leap forward, what is holding us back from going to 128bit?
In: Technology
The biggest leap forward when going from 32 bit to 64 bit was that we were able to natively address more then 4GB of virtual memory in one process. There were also other changes made at the same time such as doubling the number of registers, not only their size. The 64 bit architecture we now have is well suited for the tasks we have today. We are several decades away from the same type of memory addressing issues we had. There are other issues with the modern CPU architectures that is much more pressing then those that can be solved by going to a 128 bit architecture. That in itself does not prevent anyone from developing a 128 bit computer and there are several out there, but they are mostly for research and specialty applications rather then mainstream use.
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