Regaining America's Supercomputing Supremacy With The Summit Supercomputer

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Colin_10

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This is kind of like the space race of a previous generation. Not sure what the end goal is here though, there doesn't seem to be a "Moon" to reach here, just more and more power.
 

Joao Ribeiro

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Hmmm, this seems it could improve if AMD's EPYC were to be used as it would allow 4 GPU's per socket easily and still have spare PCIe lanes... Hmmm, would really like to see a comparison between the two solutions as honestly I am not aware of enough tech details about the IBM's Power 9, still, from what I have gathered about EPYC from AMD it should allow for a more compatible (less emulation/translation layers and increased x86 support) and consequently higher performing solution due to better optimized code from the get go, but still I need more data to reach a definite conclusion. I would still place my bet on EPYC at this stage against IBM's Power 9, which I must say I praise (in part due to it's heritage, but against practical results nothing competes)
 

kyotokid

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..one downside of Epyc, it doesn't support full NVLink, only x86 so it would use the narrower PCIe pipeline. between the CPU and GPUs. Only the IBM Power 8 and 9 series CPUs are capable of full NVLink.
 
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