3 ms·
> The unidirectional bandwidth across a two socket system is roughly equal to a single DDR channel Depends on the implementation. Epyc Rome's 2P socket design
by kllrnohj 6y ago
> The unidirectional bandwidth across a two socket system is roughly equal to a single DDR channel
Depends on the implementation. Epyc Rome's 2P socket design is 64 PCI-E 4.0 lanes between the two CPUs. That's 128 GB/s bandwidth, which is roughly equivalent to 6-channel DDR4 2666.
- StillBored 6y agoYes, I should have been clearer that I was speaking of intel products (which is what the article was talking about) not NUMA in general.