Reporting on this year's Hot Chips event in Cupertino, CA, Timothy Prickett Morgan speculates on the future of the SPARC T5 chip in Oracle's apparent growing interest in big iron featuring multithreaded processors in terms of cores and sockets. In his view, the scalability enhancements coming from the SPARC T5 machines, sporting faster cores that can do superior single-threaded work, will be big enough for all but the absolutely largest Solaris workloads. He also expects to see continued collaboration between Oracle and Fujitsu, though he is uncertain of the exact direction it will take. Prickett Morgan devotes a substantial part of his article to looking at the history of the SPARC T3, T4 and T5 chips and their family resemblances. He ventures a guess that the SPARC T5 owes much to the cancelled UltraSPARC-RK (the Rock) and that the resemblance will be clear.

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