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Matching papers

Why Gated DeltaNet Survives 4-Bit Quantization: NVFP4 W4A4 for the Recurrent Half of a Hybrid 27B LLM

73 upvotes · 3 SEP 2026 · Sergii Kozyrev, Davyd Maiboroda

This paper investigates why a specific neural network architecture, Gated DeltaNet, can survive 4-bit quantization. The researchers found that a new quantization technique, NVFP4, can be used to quantize the recurrent state of GDN without significant loss of performance, and they provide a mechanistic explanation for why this is the case.

Grouped Value Attention: Efficient KV Caching via On-Demand Key Reconstruction

64 upvotes · 8 SEP 2026 · Vishesh Tripathi, Abhay Kumar, Ramsha Khan

This paper introduces Grouped Value Attention (GVA), a technique to reduce the memory footprint of Transformer decoding by storing grouped values and reconstructing content keys. Practitioners might care about this because it could lead to faster and more efficient models.