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Issue No. 02 - March/April (2009 vol. 29)
ISSN: 0272-1732
pp: 6-16
Shailender Chaudhry , Sun Microsystems
Robert Cypher , Sun Microsystems
Magnus Ekman , Sun Microsystems
Martin Karlsson , Sun Microsystems
Anders Landin , Sun Microsystems
Sherman Yip , Sun Microsystems
Håkan Zeffer , Sun Microsystems
Marc Tremblay , Sun Microsystems
<p>Rock, Sun's third-generation chip-multithreading processor, contains 16 high-performance cores, each of which can support two software threads. Rock uses a novel checkpoint-based architecture to support automatic hardware scouting under a load miss, speculative out-of-order retirement of instructions, and aggressive dynamic hardware parallelization of a sequential instruction stream. It is also the first processor to support transactional memory in hardware.</p>
system architectures, integration and modeling, processor architectures, multithreaded processors, multicore/single-chip multiprocessors, parallel architectures, speculative multithreading

R. Cypher et al., "Rock: A High-Performance Sparc CMT Processor," in IEEE Micro, vol. 29, no. , pp. 6-16, 2009.
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