> On Tuesday, August 1, 2023 at 12:54:10 PM PDT, Steve Thompson 
 ><ste...@wkyr.net> wrote:
 
> when IBM comes up with a new Architecture...


AFAIK, IBM z is not a new architecture. Intel, Sun & HP invented multi-core CPU 
chips. Intel invented PCI and PCIe. What is the new architecture that IBM z 
introduced?

> How long will it take to need > 64bit addressing?


64 bit data adressing already exists. As for programs, does anyone think they 
can write a 4TB ( 64 bit ) program? 



  

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