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A comment on PCIe 7.0 Draft 0.5 Spec: 512 GB/s over PCIe x16 On Track For 2025. Parent comment

Re:PCIe 7.0 Draft 0.5 Spec: 512 GB/s over PCIe x16 On Track ... by avar on Thursday April 04, 2024 @01:25PM (#39933383)
Wouldn't PCI as a "memory bus" just be an SSD connected to the PCI bus setup as a swap space, which you can already do?
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Re:PCIe 7.0 Draft 0.5 Spec: 512 GB/s over PCIe x16 On Track ... by nolist_policy on Thursday April 04, 2024 @02:37PM (#39934238)
No, NVMe SSDs are not memory mapped. While they max out at 14GB/s - giving you 56GB/s per PCIe 5.0 x16 slot - emulating memory/swapping is expensive.
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