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- W2377029269 abstract "In multi-core processors,Distributed Shared Memory(DSM) offers ease of programming by maintaining a global virtual memory space as well as imports the inherent overhead of translating virtual memory addresses into physical memory addresses,resulting in negative performance.We observe that,in parallel applications,different data have different properties(private or shared).Even for the same datum,its property may be changeable in different phases of the program execution.This paper firstly introduces a hybrid DSM,aiming at supporting fast and physical memory accesses for private data and maintaining a global and single virtual memory space for shared data.A run-time partitioning technique is proposed to change the hybrid DSM organization during the program execution.It ensures fast physical memory addressing on private data and conventional virtual memory addressing on shared data,improving the performance of the entire system by reducing virtual-to-physical address translation overhead as much as possible.The experimental results show that the hybrid DSM with run-time partitioning demonstrates performance advantage over the conventional DSM counterpart.The percentage of performance improvement depends on network size,problem size,way of data partitioning,etc.In our experiments,the maximal improvement is 13.14%,and the minimal improvement 6.98%." @default.
- W2377029269 created "2016-06-24" @default.
- W2377029269 creator A5072973899 @default.
- W2377029269 date "2012-01-01" @default.
- W2377029269 modified "2023-09-25" @default.
- W2377029269 title "Run-time Partitioning Technique of Hybrid Distributed Shared Memory Space in Multi-core Processors" @default.
- W2377029269 hasPublicationYear "2012" @default.
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