Scaling the Memory Wall: The Rise and Roadmap of HBM

Memory bandwidth and capacity — not FLOPs — set the ceiling on KV-cache size, context length, and serving cost; this explains the roadmap that will determine those limits for the next accelerator generations.

• context window — The maximum amount of text a model can consider at once — its working memory for the current conversation or task.

• articleAnother Giant Leap: The Rubin CPX Specialized Accelerator & Rack
• articleHuawei Ascend Production Ramp: Die Banks, TSMC Continued Production, HBM is The Bottleneck
• articleH100 vs GB200 NVL72 Training Benchmarks – Power, TCO, and Reliability Analysis, Software Improvement Over Time

• articleLong Live the Short King: Why 4-hi HBM WinsMyron Xie
• clipGPU memory hierarchy: SRAM vs HBMJulia Turc
• articleSmoothing the Triangle: Rethinking the Memory Stack for Unconventional AIGiacomo Pedretti

Checking sign-in…

Loading comments…