Where CPUs play in GPU-accelerated AI systems

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Where CPUs play in GPU-accelerated AI systems
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Find out how the Intel Xeon 6 with P-Cores makes the case for the host CPU

Since OpenAI first released ChatGPT into the world two years ago, generative AI has been a playground mostly for GPUs and primarily those from Nvidia, even though graphics chips from others and AI-focused silicon have tried to make their way in.

CPUs haven't been sidelined in the AI era; they've always played a role in AI inferencing and deliver greater flexibility than their more specialized GPU brethren. In addition, their cost and power efficiency play well with those small language models that carry hundreds of millions to fewer than 10 billion parameters rather than the billions to trillions of parameters of those power-hungry LLMs.

At the Intel Vision event in April, Intel introduced the next generation of its datacenter stalwart Xeon processor line. The Intel Xeon 6 was designed with the highly distributed and continuously evolving computing environment in mind, including two microarchitectures rather than a single core. In June, Intel introduced the Intel Xeon 6 with single-threaded E-cores for high-density and scale-out environments like the edge, IoT devices, cloud-native, and hyperscale workloads.

The high system memory capacity also ensures there is enough memory for large AI models that can't fit entirely in GPU memory, guaranteeing flexibility and high performance. Intel is first to market with MRDIMM support, which comes with a strong ecosystem backing by the likes of Micron, SKH, and Samsung.

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