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ISCA '94 Proceedings of the 21st annual international symposium on Computer architecture
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IEEE Transactions on Parallel and Distributed Systems
CANPC '98 Proceedings of the Second International Workshop on Network-Based Parallel Computing: Communication, Architecture, and Applications
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HPCS '02 Proceedings of the 16th Annual International Symposium on High Performance Computing Systems and Applications
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Direct Cache Access for High Bandwidth Network I/O
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MEDEA '05 Proceedings of the 2005 workshop on MEmory performance: DEaling with Applications , systems and architecture
ATEC '96 Proceedings of the 1996 annual conference on USENIX Annual Technical Conference
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The focus of this work is on techniques that promise to reduce the message delivery latency in message passing interface (MPI) environments. The main contributors to message delivery latency in message passing environments are the copying operations needed to transfer and bind a received message to the consuming process/thread. To reduce this copying overhead and to reach toward finer granularity, we introduce architectural extensions comprising of a specialized network cache and instructions to manage the operations of this extension. In this work we study the caching environment and evaluate a new technique called Lazy Direct-to-Cache Transfer (DTCT). Our simulations show that messages can be bound and kept into a network cache where they persist long enough to be consumed. We also demonstrate that lazy DTCT provides a significant reduction in the access latency for I/O intensive environments such as message passing configurations and SMPs without polluting the data cache.