Towards NUMA support with distance information
IWOMP'11 Proceedings of the 7th international conference on OpenMP in the Petascale era
Revisiting shared virtual memory systems for non-coherent memory-coupled cores
Proceedings of the 2012 International Workshop on Programming Models and Applications for Multicores and Manycores
Architecture for the next generation system management tools
Future Generation Computer Systems
Node-based memory management for scalable NUMA architectures
Proceedings of the 2nd International Workshop on Runtime and Operating Systems for Supercomputers
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The novel ScaleMP vSMP architecture employs commodity x86-based servers with an InfiniBand network to assemble a large shared memory system at an attractive price point. We examine this combined hardware- and softwareapproach of a DSM system using both system-level kernel benchmarks as well as real-world application codes. We compare this architecture with traditional shared memory machines and elaborate on strategies to tune application codes parallelized with OpenMP on multiple levels. Finally we summarize the necessary conditions which a scalable application has to fulfill in order to profit from the full potential of the ScaleMP approach.