DeepSeek-V2: A Strong, Economical, and Efficient Mixture-of-Experts Language Model

Authors: DeepSeek-AI (2024)

arXiv: 2405.04434

Domains

ArchitectureInference

TLDR (English)

Introduces Multi-head Latent Attention (MLA) reducing KV cache to 1/13, making 236B MoE inference price crush same-tier closed-source. MLA is core source of V3/R1 inference cost-effectiveness.

TLDR（中文）

引入 Multi-head Latent Attention (MLA) 把 KV cache 砍到 1/13，让 236B MoE 推理价格碾压同档闭源。MLA 是 V3/R1 推理性价比的核心来源。

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Co-cited Papers

These papers appear in the same articles as this one

• GQA: Training Generalized Multi-Query Transformer Models from Multi-Head Checkpoints Joshua Ainslie et al. (2023)
• FlashAttention: Fast and Memory-Efficient Exact Attention with IO-Awareness Tri Dao et al. (2022)
• FlashAttention-2: Faster Attention with Better Parallelism and Work Partitioning Tri Dao (2023)
• FlashAttention-3: Fast and Accurate Attention with Asympotic IO Complexity Jay Shah et al. (2024)

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