Sun has been developing a high-end SPARC processor with the codename Rock. One of Sun's top engineers Marc Tremblay, delivered a paper at the ISSCC 2008 conference where he confirmed that Rock based systems would ship in the "second half of 2009".A brief technical summary of Marc Tremblay's ISSCC presentation is available on ars technica under the title, "Sun: Can you smell what the Rock is cookin'?". ... 16 cores (32 threads) ... 2.3GHz ... 250W ... scout threads ... speculative execution ...
"A Third-Generation 65nm 16-Core 32-Thread Plus 32-Scout-Thread CMT SPARC Processor "
Marc Tremblay, Shailender Chaudhry
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