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I found that very interesting, thank you very much. I didn't follow the development closely and had no idea how close apparently ARM64 (well the Graviton2 impl

I found that very interesting, thank you very much. I didn't follow the development closely and had no idea how close apparently ARM64 (well the Graviton2 implementation at least) in performance is to Intel's server CPUs. I wished there would be some published results from a standardized test though. Is there any reason there is none for e.g. SPECpower?

kllrnohj 6y ago
Look at the single core results and you'll see the per-core performance isn't close at all. Depending on what you're doing, this may be a lot more relevant than the number of CPUs you can fit into a single socket. It's unclear how NUMA-aware this benchmark is. The single-socket Intel results are not really that far off from the dual-socket results, which suggests it's not very NUMA friendly? Or there's some other factor in play there. But if it's not NUMA aware, and is suffering from that, then it's not really that surprising that 64 physical cores are faster than 18 physical cores, even if the later are ~2-3x faster cores.
ksec 6y ago
>I wished there would be some published results from a standardized test though. https://www.anandtech.com/show/15578/cloud-clash-amazon-graviton2-arm-against-intel-and-amd https://www.anandtech.com/show/15578/cloud-clash-amazon-grav...