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Re:GigaByte CXL memory expansion card with up to 512GB DRAM by wmf on Saturday September 06, 2025 @06:09PM (#45153336)
It's only ~2x worse latency than main memory but 100x lower than SSD.
Re:GigaByte CXL memory expansion card with up to 512GB DRAM by JonChesterfield on Saturday September 06, 2025 @06:53PM (#45153653)
I'm finding ~50ns best case for pcie, ~10ns for system. Which is a lot closer than I expected.
Re:GigaByte CXL memory expansion card with up to 512GB DRAM by adgjlsfhk1 on Saturday September 06, 2025 @10:24PM (#45154834)
no system ram is 10ns. That's closer to L2 cache.