Optimal Performance Parameters for NVMe SSDs

Time: Tue Sep 13 | 3:05pm - 3:55pm


This presentation will discuss Optimal Performance Parameters (OPTPERF and OPTRPERF) found in NVM Express® (NVMe) Section 5.8.2 of NVM Command Set Specification. Every performance parameter (NPWG, NPWA, NPDG, NPDA, NOWS, NPRG, NPRA, NORS) has several choices on setting values by SSD manufacturers. In this presentation, the differences intended for some of the parameters (Ex: NPWG vs NOWS) will be highlighted. Sometimes the parameters may be set by either NAND or SSD Controller attributes. The general impactors for setting the Optimal Performance Parameters will be discussed, and attendees will be better prepared to adjust Host SW for optimal SSD performance.

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