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Virtualization And HPC

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In this Blog, Thomas Francis from UberCloud, elaborates on the pros and cons of virtualization for high performance computing (HPC). We still have the old wisdom in mind that virtualization consumes so much performance in HPC that it is basically useless. But things have changes. Inspired by a presentation from VMware’s Mohan Potheri at this week’s Stanford HPC Conference, Thomas discusses underlying technology such as Device Partitioning and RDMA. Device partitioning includes Single Root I/O Virtualization (SR-IOV) which is a PCI standard to virtualize the I/O path from the server to a peripheral device. RDMA is a memory access protocol that lets you directly share the contents of memory between two computers, bypassing both operating systems and the traditional network stack. Read Thomas’ blog HERE.

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