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#switch-transformer
1 articles
01
2026-08-12
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Paper Deep-Dives
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FREE
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PAPER
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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.