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UltraSPARC-II extends the family of Sun's 64-bit SPARC V9 microprocessors, building on the UltraSPARC-I pipeline and adding critical enhancements to boost data bandwidth, hide memory latency, and improve floating-point and multimedia performance. New external cache and interface options allow more flexibility in system implementations. This paper describes the motivation and implementation of UltraSPARC-II's enhancements.
Goldman et al. (Mon,) studied this question.