Cluster of 131,072 Blackwell GPUs up for grabs starting H1 2025
Oracle says it's already taking orders on a 2.4 zettaFLOPS cluster with"three times as many GPUs as the Frontier supercomputer."supercomputer — those are"AI zettaFLOPS" and the tiniest, sparsest ones Nvidia's chips can muster versus the standard 64-bit way of measuring super performance.
However, for the kind of fuzzy math that makes up modern AI algorithms, we can usually get away with far lower precision, down to 16-bit, 8-bit, or in the case of Oracle's new Blackwell cluster, 4-bit floating points. That's because most models today are still trained at 16-bit floating point or brain float precision. But at that precision, Oracle's cluster only manages about 459 exaFLOPS of AI compute, which just doesn't have the same ring to it as"zettascale".
What's funny is that if Oracle can actually network all those GPUs together with RoCEv2 or InfiniBand, we're still talking about a pretty beefy HPC cluster. At FP64, the peak performance of Oracle's Blackwell Supercluster is between 5.2 and 5.9 exaFLOPS, depending on whether we're talking about the B200 or GB200. That's more than 3x that of the AMD Frontier system's
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