What sets SiFive's Intelligence XM-series apart from previous engagements with the likes of Google or Tenstorrent is that rather than having its CPU cores attached to a third-party matrix math engine, all packaged up in the same chip, SiFive is instead bringing out its own complete AI accelerator design for customers to license and put into silicon. This isn't aimed at semiconductor players capable of crafting their own accelerators, such as Google and Tenstorrent - it's aimed at organizations that want to take an off-the-shelf design, customize it, and send it to the fab.
Fabless SiFive is no stranger to the AI arena. As we've previously reported, at least some of Google's tensor processing units are already using SiFive's X280 RISC-V CPU cores to manage the machine-learning accelerators and keep their matrix multiplication units (MXUs) fed with work and data.
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