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Nov 3
PapersSelected14:29
AttentionIndex Speeds Learned Sparse Attention on GLM-5.3 and DeepSeek-V4-Flash

The method cuts indexer cost, which accounts for over half of prefill time at one million tokens, without the recall degradation that two-stage block approaches like HiSA suffer as context grows. Serving teams running long-context inference on models with learned sparse attention, such as GLM-5 or DeepSeek-V4, can use it to raise prefill throughput 1.3-1.8 times while preserving retrieval accuracy. Both target models come from Chinese labs, making it directly relevant to practitioners deploying these open-weight models.

arXiv: DeepSeek@Jeongmin Brian Park, Wen-mei HwuSource
PapersBuildersSelected14:29
J-PACT Detects Collusion Between LLM Agents via J-Space

Unsupervised detection matters because supervised probes need labelled collusion data that real deployments rarely have, so J-PACT lowers the barrier to auditing multi-agent systems. Teams running agent swarms — especially in finance, trading or messaging pipelines where hidden coordination is hard to spot — can use J-space signals as an oversight layer. The method worked across four open-weight model families, suggesting the collusion signature is not model-specific.

arXiv: DeepSeek@Marco Molinari, Gabriele BettineschiSource
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