Cache coherence in large-scale shared-memory multiprocessors: issues and comparisons
ACM Computing Surveys (CSUR)
Proceedings of the 27th annual international symposium on Computer architecture
IEEE Transactions on Parallel and Distributed Systems
Scalability Port: A Coherent Interface for Shared Memory Multiprocessors
HOTI '02 Proceedings of the 10th Symposium on High Performance Interconnects HOT Interconnects
Improving the accuracy of snoop filtering using stream registers
MEDEA '07 Proceedings of the 2007 workshop on MEmory performance: DEaling with Applications, systems and architecture
Energy-efficient MESI cache coherence with pro-active snoop filtering for multicore microprocessors
Proceedings of the 13th international symposium on Low power electronics and design
Exploring the architecture of a stream register-based snoop filter
Transactions on high-performance embedded architectures and compilers III
Direct distributed memory access for CMPs
Journal of Parallel and Distributed Computing
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This paper describes several selected micro-architectural tradeoffs and optimizations for the scalable memory controller of the Intel E8870 chipset architecture. The Intel E8870 chipset architecture supports scalable coherent multiprocessor systems using 2 to 16 processors, and a point-to-point Scalability Port (SP) Protocol. The scalable memory controller micro-architecture applies a number of micro-architecture techniques to reduce the local & remote idle and loaded latencies. The performance optimizations were achieved within the constraints of maintaining functional correctness, while reducing implementation complexity and cost. High bandwidth point-to-point interconnects and distributed memory are expected to be more common in future platforms to support powerful multi-core processors. The selected techniques discussed in this paper will be applicable to scalable memory controllers needed in those platforms. These techniques have been proven for production systems for the Itanium® II Processor platforms.