UltraSPARC T1, throughput computing

Mark spoke of his design goals and then itemised his success in meeting them. He stated that in a world where 30% performance improvements were sought Sun's T1 CPU based systems will offer integer improvements. (This is just as well; the US T1 has relatively poor floating point and struggles with fractions. This is a very technical and poor joke - you had to be there.Blush!)

Sun are shipping SPARC steams that offer 32 way SMP (8 cores/4 threads each) in a one rack unit, the CPU draws 70 Watts and the chip has 4 memory controllers on the chip. This has been designed to leverage the growing disparity between CPU and memory speeds, and to win business on the basis that faster can be cooler. The slide in Mark's presentation illustrating faster can be cooler impressed me with a real heat map of an "industry standard CPU" compared with the heat map for the UltraSPARC T1. The impressive architecture translates into price/performance and raw performance as Sun's recent Oracle world record benchmarks show. (See here...).

You can hear Mark in his own words here... at www.sun.com.

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