> Intel has only claimed that Optane is 3-4 times faster than flash-based NVMe Which you can't talk to directly, you have to traverse OS and the cache. Optane

> Intel has only claimed that Optane is 3-4 times faster than flash-based NVMe Which you can't talk to directly, you have to traverse OS and the cache. Optane sits directly on the memory bus, reads and writes can bypass the OS completely. We aren't talking about the same things. It sounds like there is something wrong with your M1. https://swanson.ucsd.edu/data/bib/pdfs/2019arXiv-AEP.pdf https://swanson.ucsd.edu/data/bib/pdfs/2019arXiv-AEP.pdf