A processing unit (CPU, GPU or whatever) and RAM are typically separate things built on separate chips. But what if they were part of the same chip, all mixed together? That’s exactly what Samsung did to create the world’s first High Bandwidth Memory (HBM) with built-in AI processing hardware called HBM-PIM (for processing-in-memory). It took its HBM2 Aquabolt chips and added Programmable Computing Units (PCU) between the memory banks. These are relatively simple and operate on 16-bit floating point values with a limited instruction set – they can move data around and perform...
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