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This was true up until now, but the upcoming 3900X and 3950X have 2 separate dies ("chiplets"). I assume this means it will have the same architecture as the cu
by paol 7y ago
This was true up until now, but the upcoming 3900X and 3950X have 2 separate dies ("chiplets"). I assume this means it will have the same architecture as the current TR 2920X and 2950X.
Edit: opencl post above says apparently not, it's a different memory architecture.
- horyzen 7y agoThe 2 smaller chiplets are for core complex, the memory controller is on the IO die(the other bigger one) that these 2 CCX share. So there is still one single memory controller, and hence, not NUMA.
- bryanlarsen 7y agoAll memory access is through the single I/O die, so neither the new Ryzen nor the new Epyc are technically NUMA. However, because all cores in a single chiplet share a single L3 cache, doing NUMA-like optimizations will still yield significant benefits. AFAICT.