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Rock (processor)
Rock (or ROCK) was a multithreading, multicore, SPARC microprocessor developed at Sun Microsystems. Now canceled, it was a separate development from the SPARC T-Series (CoolThreads/Niagara) family of processors.
Rock aimed at higher per-thread performance, higher floating-point performance, and greater SMP scalability than the Niagara family. The Rock processor targeted traditional high-end data-facing workloads, such as back-end database servers, as well as floating-point intensive high-performance computing workloads, whereas the Niagara family targets network-facing workloads such as web servers.
==Processor core==
The Rock processor implements the 64-bit SPARC V9 instruction set and the VIS 3.0 SIMD multimedia instruction set extension. Each Rock processor has 16 cores, with each core capable of running two threads simultaneously, yielding 32 threads per chip. Servers built with Rock use FB-DIMMs to increase reliability, speed and density of memory systems. The Rock processor uses a 65 nm manufacturing process for a design frequency of 2.3 GHz. The maximum power consumption of the Rock processor chip is approximately 250 W.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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