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- W82183796 abstract "Single Root I/O Virtualization (SR-IOV) technology has been introduced for high-performance interconnects such as InfiniBand. Recent studies mainly focus on performance characteristics of high-performance communication middleware (e.g. MPI) and applications on SR-IOV enabled HPC clusters. However, current SR-IOV based MPI applications do not take advantage of the locality-aware communication on intra-host inter-VM environment. Although Inter-VM Shared Memory (IVShmem) has been proven to support efficient locality-aware communication, the performance benefits of IVShmem for MPI libraries on virtualized environments are yet to be explored. In this paper, we present a comprehensive performance evaluation for IVShmem backed MPI using micro-benchmarks and HPC applications. The performance evaluations show that, through IVShmem, the performance of MPI point-to-point and collective operations can be improved up to 193% and 91%, respectively. The application performance can be improved up to 96%, compared to SR-IOV. The results further show that IVShmem just brings minor overhead compared to native environment." @default.
- W82183796 created "2016-06-24" @default.
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- W82183796 date "2014-01-01" @default.
- W82183796 modified "2023-09-23" @default.
- W82183796 title "Can Inter-VM Shmem Benefit MPI Applications on SR-IOV Based Virtualized Infiniband Clusters?" @default.
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- W82183796 doi "https://doi.org/10.1007/978-3-319-09873-9_29" @default.
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