In summary:

  • vSphere can achieve close to PMEM device bandwidth and latency.
  • The virtualization overhead of PMEM in vSphere is less than 3%.
  • vSphere PMEM gives up to 8x throughput and improvement in micro-benchmarks, and up to 35% improvement in tier-1 workloads compared to NVMe SSD.
  • Scaling out VMs on vSphere PMEM can take full advantage of the device bandwidth.
  • Performance of VMs with PMEM during vMotion is much better than NVMe SSD (or all-flash SAN) performance (even when there is no vMotion).
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