2 ms·
> (...) but it leads to weird choices like not using 56 of 64 PCIe lanes on the second CPU. The article mentions that out of a total of 128 PCI lanes, 64 are u
by rumanator 6y ago
> (...) but it leads to weird choices like not using 56 of 64 PCIe lanes on the second CPU.
The article mentions that out of a total of 128 PCI lanes, 64 are used for CPU-to-CPU communication and only 8 are used for an external PCIe device.
To be fair, a user that feels the need to cram two EPYC processors on the same motherboard is someone who is willing to pay a premium for CPU-bound computations.