DC Field | Value | Language |
---|---|---|
dc.contributor.author | Han, Jaeung | ko |
dc.contributor.author | Ahn, Jeongseob | ko |
dc.contributor.author | Kim, Changdae | ko |
dc.contributor.author | Kwon, Youngjin | ko |
dc.contributor.author | Choi, Young-ri | ko |
dc.contributor.author | Huh, Jaehyuk | ko |
dc.date.accessioned | 2011-02-14T09:14:05Z | - |
dc.date.available | 2011-02-14T09:14:05Z | - |
dc.date.created | 2012-02-06 | - |
dc.date.created | 2012-02-06 | - |
dc.date.created | 2012-02-06 | - |
dc.date.created | 2012-02-06 | - |
dc.date.issued | 2010-08-31 | - |
dc.identifier.citation | 2010 conference on Parallel processing, pp.615 - 623 | - |
dc.identifier.uri | http://hdl.handle.net/10203/22132 | - |
dc.description.abstract | In this paper, we evaluate the overheads of virtualization in commercial multicore architectures with shared memory and MPI-based applications. We find that the non-uniformity of memory latencies affects the performance of virtualized systems significantly. Due to the lack of support for non-uniform memory access (NUMA) in the Xen hypervisor, shared memory applications suffer from a significant performance degradation by virtualization. MPI-based applications show more resilience on sub-optimal NUMA memory allocation and virtual machine (VM) scheduling. However, using multiple VMs on a physical system for the same instance of MPI applications may adversely affect the overall performance, by increasing I/O operations through the domain 0 VM. As the number of cores increases on a chip, the cache hierarchy and external memory will become more asymmetric. As such non-uniformity in memory systems increases, NUMA and cache awareness in VM scheduling will be critical for shared memory applications. | - |
dc.language | English | - |
dc.language.iso | en_US | en |
dc.publisher | VHPC | - |
dc.title | The Effect of Multi-core on HPC Applications in Virtualized Systems | - |
dc.type | Conference | - |
dc.identifier.wosid | 000371301900076 | - |
dc.identifier.scopusid | 2-s2.0-80051701397 | - |
dc.type.rims | CONF | - |
dc.citation.beginningpage | 615 | - |
dc.citation.endingpage | 623 | - |
dc.citation.publicationname | 2010 conference on Parallel processing | - |
dc.identifier.conferencecountry | IT | - |
dc.embargo.liftdate | 9999-12-31 | - |
dc.embargo.terms | 9999-12-31 | - |
dc.contributor.localauthor | Kwon, Youngjin | - |
dc.contributor.localauthor | Huh, Jaehyuk | - |
dc.contributor.nonIdAuthor | Han, Jaeung | - |
dc.contributor.nonIdAuthor | Ahn, Jeongseob | - |
dc.contributor.nonIdAuthor | Kim, Changdae | - |
dc.contributor.nonIdAuthor | Choi, Young-ri | - |
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