The UltraSPARC T1 Processor - High Bandwidth For Throughput Computing

The UltraSPARC T1 Processor - High Bandwidth For Throughput Computing

By William Bryg and Jerome Alabado
December 2005

From the Introduction:

Companies today face significant computing challenges. The demand for network services continues to rise while IT budgets and resources remain limited. Sun's response to this growing problem is innovation. Its Chip Multithreading (CMT) processor strategy for throughput computing will usher in a computing revolution that will dramatically reduce the cost and complexity of network computing by delivering performance and power efficiency that are orders of magnitude greater than contemporary processors.

The first instance of a radical CMT processor is the UltraSPARC T1 processor. The processor's power efficiency and performance advantages are a result of Sun's long history and design philosophy of building wellbalanced systems. An integral part of this balanced approach is an emphasis that a system must have sufficient bandwidth. CMT processors are capable of executing many instructions simultaneously, so the infrastructure inside and around the processor must ensure that data is available when needed. With this notion in mind, Sun designed the UltraSPARC T1 processor capable of sustaining high bandwidths.

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