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#sparse-model

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01 ·Paper Deep-Dives·★ MEMBER·PAPER·9 min read Mixture of Experts (MoE) from Scratch — Routing and Load Balancing in the Switch Transformer A ground-up explanation of Mixture of Experts, the sparse architecture behind today's largest LLMs, built strictly from the Switch Transformer paper: the router math, expert capacity, the load-balancing loss, and the three tricks that make sparse training stable.