Title: Jim Keller Suggests Nvidia Should Have Used Ethernet to Stitch Together Blackwell GPUs — Nvidia Could Have Saved Billions - Tom's Hardware

In a recent interview, renowned chip architect Jim Keller expressed his belief that Nvidia could have saved billions if they had employed Ethernet to connect their Blackwell GPUs. Keller, known for his work at companies like AMD, Apple, and Tesla, suggested that utilizing Ethernet for stitching together the GPUs would have made them more programmable and easily portable to other platforms. This recommendation comes amidst ongoing discussions in the tech industry about the most effective ways to optimize GPU performance and connectivity.

Keller's proposal highlights the importance of considering alternative approaches in semiconductor design, emphasizing the need for flexibility and scalability in GPU architectures. By suggesting the use of Ethernet for connecting the Blackwell GPUs, he points to the potential benefits of enhanced programmability and portability. This approach could have allowed Nvidia to adapt its GPUs more seamlessly to different hardware configurations and software environments, ultimately resulting in cost savings and improved efficiency. The shift towards Ethernet-based solutions in GPU architecture represents a new frontier in the ever-evolving realm of computational hardware.

As the tech industry continues to explore innovative approaches to GPU design, Keller's insights serve as a valuable contribution to the ongoing conversation. His suggestion to leverage Ethernet for stitching together Blackwell GPUs underscores the importance of reexamining established methodologies and embracing new, potentially game-changing technologies. While Nvidia's current GPU architecture has undoubtedly been successful, Keller's proposal opens up a world of possibilities for future developments in high-performance computing. By reimagining the traditional approach to GPU connectivity, companies like Nvidia may discover significant cost savings and performance enhancements that could revolutionize the semiconductor industry.

Learn more about this article from the source at https://www.tomshardware.com/tech-industry/artificial-intelligence/jim-keller-suggests-nvidia-should-have-used-ethernet-to-stitch-together-blackwell-gpus

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