An evaluation of directory schemes for cache coherence
ISCA '88 Proceedings of the 15th Annual International Symposium on Computer architecture
SPLASH: Stanford parallel applications for shared-memory
ACM SIGARCH Computer Architecture News
Extending the scalable coherent interface for large-scale shared-memory multiprocessors
Extending the scalable coherent interface for large-scale shared-memory multiprocessors
The performance impact of flexibility in the Stanford FLASH multiprocessor
ASPLOS VI Proceedings of the sixth international conference on Architectural support for programming languages and operating systems
The directory-based cache coherence protocol for the DASH multiprocessor
ISCA '90 Proceedings of the 17th annual international symposium on Computer Architecture
Performance of Pruning-Cache Directories for Large-Scale Multiprocessors
IEEE Transactions on Parallel and Distributed Systems
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SCI (Scalable Coherent Interface) is a pointer-based coherent directory scheme for large-scale multiprocessors. Large message latency is one of the problems with SCI because of its linked list structure: the searching latency can grow as a linear order of the number of processors.In this paper, we focus on a hierarchical architecture to propose a new scheme - EST(Extending SCI-Tree), which may reduce the message traffic and also take the advantages of the topology property. Simulation results show that the EST scheme is effective in reducing message latency and communication cost when compared with other schemes.