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Intel Reveals Two New Xeon Processor Lines at Hot Chips 2023
Intel's newest Xeon processors are based on either performance cores (P-cores) or efficiency cores (E-cores), giving designers more flexibility to prioritize speed or power efficiency.
www.allaboutcircuits.com/, Aug. 30, 2023 –
Intel has revealed two new Intel Xeon processors this week at Hot Chips 2023 to give designers new options for efficient server-level performance. As computationally heavy workloads such as AI and machine learning become more common, Intel's new processors may help to optimize performance based on individual needs.
In previous Xeon generations, Intel listed performance per core as the primary metric for success, alongside power and space efficiency. With the new generation, however, designers can now trade raw performance per core for increased power efficiency for high-density deployments.
The two new chips, codenamed Sierra Forest and Granite Rapids, use new architectures to access higher performance and flexibility. This article dives into some preliminary technical details of the processors to give readers a sense of how they build on previous generations and where they may find use in future computing systems.
P-Cores vs. E-Cores
It's no secret that modern processors, though quite powerful, are not optimized for every computing task. To add more flexibility and better average performance, many processors forgo niche hardware for a widely applicable computing system to address the needs of a broader audience.
Intel, however, has adopted a different approach starting with the 12th-generation Intel Core processors. Instead of using a common core architecture for each core, Intel developed performance cores (P-cores) and efficiency cores (E-cores) to address different processing tasks. Using this architecture, resource-hungry processes can use P-cores, while less intensive computing tasks can make use of the improved power efficiency of E-cores.
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