64-Bit Computing
As the complexity and functionality of applications increase, their data sets and address space requirements increase as well. Many applications (databases, web caches, simulation and modeling software, and the like) run more effectively if they are not subject to the 4-gigabyte address space limitation imposed by a 32-bit architecture.
The ability to support larger amounts of primary memory allows the 64-bit architecture to afford performance benefits to a broad class of applications, including the following:
A greater proportion of a database can be held in primary memory.
Larger CAD/CAE models and simulations can fit in primary memory.
Larger scientific computing problems can fit in primary memory.
Web caches hold more data in ...
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