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#long-context News & Analysis

35 articles tagged with #long-context. AI-curated summaries with sentiment analysis and key takeaways from 50+ sources.

35 articles
AIBullisharXiv – CS AI · Mar 267/10
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MSA: Memory Sparse Attention for Efficient End-to-End Memory Model Scaling to 100M Tokens

Researchers present Memory Sparse Attention (MSA), a new AI framework that enables language models to process up to 100 million tokens with linear complexity and less than 9% performance degradation. The technology addresses current limitations in long-term memory processing and can run 100M-token inference on just 2 GPUs, potentially revolutionizing applications like large-corpus analysis and long-history reasoning.

AIBullisharXiv – CS AI · May 127/10
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Priming: Hybrid State Space Models From Pre-trained Transformers

Researchers introduce Priming, a method that converts pre-trained Transformers into efficient Hybrid State-Space models through knowledge transfer rather than training from scratch. The technique recovers downstream performance using less than 0.5% of original pre-training tokens and enables the first large-scale comparison of SSM architectures, with Hybrid GKA 32B achieving 3.8-point reasoning improvements while delivering 2.3x faster decoding.

🧠 Llama
AIBullisharXiv – CS AI · May 127/10
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RDKV: Rate-Distortion Bit Allocation for Joint Eviction and Quantization of the KV Cache

Researchers propose RDKV, a novel compression technique that jointly optimizes eviction and quantization of the Key-Value cache in large language models to reduce memory bottlenecks during inference. The method achieves 4.5x decode speedup and 1.9x peak memory reduction on 128K context lengths while maintaining 97.81% accuracy, addressing a critical performance constraint in LLM deployment.

AIBullisharXiv – CS AI · May 127/10
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Human-Inspired Memory Architecture for LLM Agents

Researchers present a biologically-inspired memory architecture for LLM agents that addresses persistent memory management across long interaction horizons. The system incorporates six cognitive mechanisms including sleep-phase consolidation and interference-based forgetting, achieving 97.2% retention precision with 58% storage reduction on a VSCode dataset and matching retrieval accuracy on streaming evaluations.

AIBullisharXiv – CS AI · May 127/10
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Bridging Modalities, Spanning Time: Structured Memory for Ultra-Long Agentic Video Reasoning

Researchers introduce MAGIC-Video, a training-free framework that enables multimodal AI systems to process and reason about ultra-long videos spanning days or weeks by combining a structured memory graph with narrative chains. The system outperforms existing baselines on multiple benchmarks, addressing a critical limitation where current LLMs can only handle tens of minutes of video despite having million-token context windows.

AIBullisharXiv – CS AI · May 127/10
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Key-Value Means

Researchers introduce Key-Value Means (KVM), a novel attention mechanism that bridges traditional transformers and linear RNNs by supporting both fixed-size and growing state with linear time complexity. The approach achieves competitive long-context performance while reducing KV-cache memory requirements and enabling flexible prefill time complexity between O(N) and O(N²).

🏢 Hugging Face
AIBullisharXiv – CS AI · May 127/10
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Kaczmarz Linear Attention

Researchers propose Kaczmarz Linear Attention (KLA), an improved algorithm for long-context language modeling that replaces empirically-learned coefficients with mathematically-derived key-norm-normalized step sizes. KLA outperforms existing linear attention baselines like Gated DeltaNet while maintaining computational efficiency and enabling stable processing of up to 65K token contexts.

🏢 Perplexity
AIBullisharXiv – CS AI · May 117/10
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MISA: Mixture of Indexer Sparse Attention for Long-Context LLM Inference

Researchers introduce MISA, an optimization technique that reduces computational costs in DeepSeek's sparse attention mechanism for large language models by treating indexer heads as a mixture-of-experts system. The method achieves 3.82x speedup on GPU inference while maintaining performance across benchmarks, addressing a key bottleneck in long-context LLM processing.

🏢 Nvidia
AIBullisharXiv – CS AI · May 117/10
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Reformulating KV Cache Eviction Problem for Long-Context LLM Inference

Researchers introduce LaProx, a novel KV Cache eviction strategy for long-context LLM inference that reformulates the problem from head-wise weight averaging to output-aware layer-wise matrix multiplication. The method achieves 2× accuracy loss reduction under extreme compression while maintaining performance with just 5% of the original KV cache.

AIBullisharXiv – CS AI · May 77/10
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LCM: Lossless Context Management

Researchers introduce Lossless Context Management (LCM), a deterministic architecture for LLM memory that outperforms Claude Code on long-context tasks up to 1M tokens. LCM combines recursive context compression with engine-managed task partitioning, representing an evolution of recursive language models that prioritizes reliability and state retrievability over flexibility.

🧠 Claude🧠 Opus
AIBullisharXiv – CS AI · Apr 207/10
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OjaKV: Context-Aware Online Low-Rank KV Cache Compression

OjaKV introduces a novel framework for compressing key-value caches in large language models through online low-rank projection, addressing a critical memory bottleneck in long-context inference. The method combines selective full-rank storage for important tokens with adaptive compression for intermediate tokens, maintaining accuracy while reducing memory consumption without requiring model fine-tuning.

🧠 Llama
AIBullisharXiv – CS AI · Apr 207/10
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CoMeT: Collaborative Memory Transformer for Efficient Long Context Modeling

Researchers introduce CoMeT (Collaborative Memory Transformer), a novel architecture that enables large language models to process arbitrarily long sequences with constant memory usage and linear time complexity. The system uses a dual-memory approach with FIFO queues and gated updates, demonstrating remarkable performance on long-context tasks including 1M token sequences and real-world applications.

AIBullisharXiv – CS AI · Apr 147/10
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IceCache: Memory-efficient KV-cache Management for Long-Sequence LLMs

IceCache is a new memory management technique for large language models that reduces KV cache memory consumption by 75% while maintaining 99% accuracy on long-sequence tasks. The method combines semantic token clustering with PagedAttention to intelligently offload cache data between GPU and CPU, addressing a critical bottleneck in LLM inference on resource-constrained hardware.

AIBullisharXiv – CS AI · Apr 137/10
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CSAttention: Centroid-Scoring Attention for Accelerating LLM Inference

Researchers introduce CSAttention, a training-free sparse attention method that accelerates LLM inference by 4.6x for long-context applications. The technique optimizes the offline-prefill/online-decode workflow by precomputing query-centric lookup tables, enabling faster token generation without sacrificing accuracy even at 95% sparsity levels.

AIBullisharXiv – CS AI · Mar 277/10
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SWAA: Sliding Window Attention Adaptation for Efficient and Quality Preserving Long Context Processing

Researchers propose SWAA (Sliding Window Attention Adaptation), a toolkit that enables efficient long-context processing in large language models by adapting full attention models to sliding window attention without expensive retraining. The solution achieves 30-100% speedups for long context inference while maintaining acceptable performance quality through four core strategies that address training-inference mismatches.

AIBullisharXiv – CS AI · Mar 117/10
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ARKV: Adaptive and Resource-Efficient KV Cache Management under Limited Memory Budget for Long-Context Inference in LLMs

Researchers propose ARKV, a new framework for managing memory in large language models that reduces KV cache memory usage by 4x while preserving 97% of baseline accuracy. The adaptive system dynamically allocates precision levels to cached tokens based on attention patterns, enabling more efficient long-context inference without requiring model retraining.

AIBullisharXiv – CS AI · Mar 37/102
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RMAAT: Astrocyte-Inspired Memory Compression and Replay for Efficient Long-Context Transformers

Researchers introduce RMAAT (Recurrent Memory Augmented Astromorphic Transformer), a new architecture inspired by brain astrocyte cells that addresses the quadratic complexity problem in Transformer models for long sequences. The system uses recurrent memory tokens and adaptive compression to achieve linear complexity while maintaining competitive accuracy on benchmark tests.

AIBullisharXiv – CS AI · Mar 37/105
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Long-Context Generalization with Sparse Attention

Researchers introduce ASEntmax, a new attention mechanism for transformer models that uses sparse attention with learnable temperature parameters. This approach significantly outperforms traditional softmax attention, achieving up to 1000x length extrapolation on synthetic tasks and better long-context performance in language modeling.

AIBullisharXiv – CS AI · Mar 37/102
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MiniCPM-SALA: Hybridizing Sparse and Linear Attention for Efficient Long-Context Modeling

MiniCPM-SALA introduces a 9B-parameter hybrid language model architecture that combines sparse and linear attention mechanisms to handle ultra-long contexts up to 1M tokens. The model achieves 3.5x faster inference than full-attention models while reducing training costs by 75% through a continual training framework that transforms existing Transformer models.

AIBullisharXiv – CS AI · Feb 277/102
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S2O: Early Stopping for Sparse Attention via Online Permutation

Researchers introduce S2O, a new sparse attention method that uses online permutation and early stopping to dramatically improve AI model efficiency. The technique achieves 3.81x end-to-end speedup on Llama-3.1-8B with 128K context while maintaining accuracy.

AIBullishOpenAI News · Dec 117/104
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Introducing GPT-5.2

OpenAI has announced GPT-5.2, their most advanced frontier AI model designed for professional applications. The model features enhanced reasoning capabilities, long-context understanding, coding abilities, and vision functionality, available through ChatGPT and OpenAI API for improved agentic workflows.

AINeutralarXiv – CS AI · 2d ago6/10
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Semantic and Visual Evidence for Efficient Long-Video Reasoning: A Solution for the HD-EPIC VQA Challenge

Researchers propose a unified framework for long-form egocentric video understanding that separates reasoning into semantic and visual evidence streams, achieving competitive results on the HD-EPIC-VQA benchmark. The approach addresses fundamental limitations in how multimodal language models process extended video content by combining procedural structure extraction with fine-grained object grounding.

AINeutralarXiv – CS AI · 3d ago6/10
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MGRetrieval: Memory-Guided Reflective Retrieval for Long-Term Dialogue Agents

Researchers introduce MGRetrieval, a novel retrieval strategy for long-term dialogue agents that uses semantic memory structures to guide multi-step retrieval rather than one-shot approaches. The method improves performance on dialogue benchmarks by 8-11% while maintaining computational efficiency, addressing a key limitation in LLM-based conversational systems.

AINeutralarXiv – CS AI · May 126/10
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When Does Value-Aware KV Eviction Help? A Fixed-Contract Diagnostic for Non-Monotone Cache Compression

Researchers present a diagnostic framework for evaluating KV cache eviction selectors in large language models, identifying three failure modes and demonstrating that value-aware ranking combined with evidence recovery achieves 72.6% accuracy on positive-margin test cases. The work addresses a critical bottleneck in long-context LLM inference by revealing why compression strategies succeed or fail.

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