Multi-layer Indexer optimizes DeepSeek sparse attention
Multi-layer Indexer speeds DeepSeek-V3.2 decode up to 14.5% without retraining.
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Multi-layer Indexer speeds DeepSeek-V3.2 decode up to 14.5% without retraining.
LSA clusters keys in learned latent space for subquadratic attention, speeding up layers by 22.7x at 10M tokens while matching full-attention accuracy.
ACCT reduces KV cache size by 75% while matching target model performance and speeding up prefill by 21x.
ZHA uses hierarchical tree indexers for subquadratic attention scaling beyond 1M tokens with maintained performance.
On visual token merging it matches an MLP merger while using 55.6% fewer visual tokens.
Training-free ALLOT gains 11.8 dB PSNR on HunyuanVideo with XAttention at equal or shorter runtime.
On Ministral-3-8B at 50x sparsity, SSA lifts RULER-HARD from 63.8% to 69.3% at 128K.
JSSA sparse attention stays near full-KV accuracy and raises 128K decoding throughput up to 6.43×.
FreeSolo adds linear-time sparse attention that extrapolates context length without long-context fine-tuning.
Training-free MC-Sparse speeds diffusion-transformer denoising up to 2.32× with negligible quality loss.
MC-Sparse narrows the dense-sparse attention gap, speeding diffusion denoising up to 2.32× with little quality loss.
Prism uses dynamic sparse attention to train joint 2K video-audio models 2.5× faster than full attention.
SparseEngine, a sparse-first LLM inference engine, reports over 10x throughput with KV eviction versus existing serving stacks.
A survey frames LLM attention as contextual memory across 14 model lineages and 59 releases.
NaiveAI released Naive-N0.5-Flash, a 309B MoE open-weight model with 15.5B active parameters and a native 1M-token context.
CoWindow Attention covers causal history collectively, cutting 128K training latency up to 8.6x versus FullAttn.
DeepSeek-V4.1 Flash is a 552B-parameter multimodal MoE model with 1M-token context achieving 4x KV cache compression for long-horizon agent workloads.
Fathom introduces per-query bit-depth scanning of offloaded 4-bit KV caches, making long-context decoding 1.67x faster on Qwen3-8B at one million tokens.
SAS trains a gated sparse attention selector end-to-end with the language modeling loss, beating distillation-based sparsifiers on reasoning, long-context, and agentic tasks.

DeepSeek released open-weight V4.1-Flash, a 552B MoE model with 1M context and FP4 KV cache, beating Opus-5 and GPT-5.6 Sol on agent benchmarks.
DeepSeek releases DeepSeek-V4.1-Flash, a 552B-parameter multimodal MoE model with 1M-token context and KV cache cut to 890 bytes per token.
Qwen released Qwen3.8-Flash-Next, an experimental 125B-parameter open-weight MoE previewing the Qwen4 architecture, with Unsloth shipping optimized GGUF quants.
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