The Arm-based CPU is called the Graviton3E and has been optimized for floating point math, key in HPC, the company announced at AWS re:Invent conference. Amazon said Hpc7g instances powered by the new Graviton3E chips offer up to double the floating point and vector performance compared to the current generation of instances.
The vast datasets that accompany HPC need to be moved around, so Amazon also introduced the fifth generation of its Nitro smartNICs, offering up to twice the network bandwidth and up to 50% higher packet processing-per-second performance compared to current generation networking-optimized instances.
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