From Brute Force to Finesse: The Evolution and Future of AI Training Infrastructure

This article explores the dramatic history of AI training, dissects the critical bottlenecks that threaten to stall progress, and peers into the future of the infrastructure being engineered to overcome these monumental challenges. From the AlexNet moment in 2012 to the Transformer revolution and the current foundation model era, the piece traces how exponential growth in model scale has pushed underlying infrastructure to its limits — and what innovations are being developed to address communication overhead, memory walls, and energy constraints.

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