Virtual Memory

Is Your Application Really Using Persistent Memory? Here’s How to Tell.

Steve Scargall
Linux , Storage

Persistent memory (PMEM), especially when accessed via technologies like CXL, promises the best of both worlds: DRAM-like speed with the durability of an SSD.

How to Confirm Virtual to Physical Memory Mappings for PMem and FSDAX Files

Steve Scargall
Linux , Persistent memory

Are you curious whether your application’s memory-mapped files are really using Intel Optane Persistent Memory (PMem), Compute Express Link (CXL) Non-Volatile Memory Modules (NV-CMM), or another DAX-enabled persistent memory device?