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Multi-tier memory hierarchies (HBM, DDR, Flash)

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Dwarkesh Podcast

Episodes

Dwarkesh Podcast

Dwarkesh Podcast · Apr 29, 2026

Reiner Pope – The math behind how LLMs are trained and served

Roofline analysis for transformer inference Batch size optimization and latency-cost tradeoffs Memory bandwidth as binding constraint on inference Mixture of experts parallelism and communication patterns Expert parallelism vs tensor parallelism vs pipeline parallelism