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Rock: A High-Performance Sparc CMT Processor

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8 Author(s)
Chaudhry, S. ; Sun Microsyst., Santa Clara, CA ; Cypher, R. ; Ekman, M. ; Karlsson, M.
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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.

Published in:

Micro, IEEE  (Volume:29 ,  Issue: 2 )