Article 6RT0B PCIe TPH Coming With Linux 6.13 To Further Enhance 5th Gen AMD EPYC Performance

PCIe TPH Coming With Linux 6.13 To Further Enhance 5th Gen AMD EPYC Performance

by
Michael Larabel
from Phoronix on (#6RT0B)
Going back to earlier in the year AMD Linux engineers have been prepping the kernel for PCI Express TLP Processing Hints (TPH) support that allows for hints that can be injected to improve latency and lowering traffic congestion when there are several possible cache locations on the server with the TPH noting the optimal location of a Transaction Layer Packet (TLP). This PCIe TPH support is set to be merged upstream with the forthcoming Linux 6.13 cycle...
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