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AI and infrastructure news

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  • October 7, 2026 · arxiv.org

    GraphRAG for questions across document collections

    A paper published on September 24, 2026 presents an approach to answering global questions about a corpus, which standard retrieval of individual passages may not handle well.

  • October 7, 2026 · cameronrwolfe.substack.com

    GRPO and OPD: practical paths for post-training

    A publication dated August 26, 2026 presents two resources on post-training with reinforcement learning: one on scaling vanilla GRPO and another focused on OPD.

  • October 7, 2026 · cameronrwolfe.substack.com

    A reinforcement learning guide for language models

    Published on August 24, 2026, the guide connects reinforcement learning fundamentals to language-model training methods, including policy gradients, REINFORCE, and different ways to define states and rewards.

  • October 7, 2026 · lilianweng.github.io

    Harness engineering and the limits of AI self-improvement

    In an article published on July 7, 2026, Lilian Weng examines recursive self-improvement and identifies harness design and optimization as a practical starting point, while discussing evaluation, diversity, and security challenges.

  • October 7, 2026 · arxiv.org

    HarnessBank: evolving agent harnesses

    An article published on July 17, 2026 describes a method for improving agents by changing prompts, tools, and control loops around the model.

  • October 7, 2026 · x.com

    HydraHead combines two attention types per head

    Published on June 30, 2026, the post about HydraHead describes an architecture that combines Full Attention and Linear Attention at the head level to pursue greater efficiency in long-context models.

  • October 7, 2026 · arxivb.org

    HySparse2 proposes two-level KV sharing

    Dated September 27, 2026, the paper presents a hybrid sparse-attention method intended to reduce prefill demands and compact KV cache storage for agents with long contexts.

  • October 7, 2026 · arxiv.org

    HySparse2 cuts long-context costs through KV reuse

    Published on September 23, 2026, the post describes two levels of KV sharing to reduce prefill FLOPs and cache size, with better retrieval scores than MiMo-V2.6's Hybrid SWA at a context length of 1 million tokens.

  • October 7, 2026 · theinformation.com

    Recurrent-depth AI: monitoring challenges

    A September 2, 2026 publication says the Astra AI uses recurrent-depth reasoning, which may make monitoring harder, affect costs and performance, and complicate oversight.

  • October 7, 2026 · github.com

    IFM-AI releases open tools for LLMs

    On September 28, 2026, IFM-AI announced open-source tools for LLM pre-training, attention, checkpoint conversion, and serving.

  • October 7, 2026 · arxiv.org

    iLLaDA: masked diffusion in an 8B model

    A description published on June 25, 2026 presents iLLaDA, an 8B masked-diffusion language model trained from scratch with fully bidirectional attention.

  • October 7, 2026 · wheels.astral.sh

    GPU indexes expand PyTorch and Python support

    An Astral post published on October 5, 2026, reports support for PyTorch 2.13 and 2.14 and Python 3.15, with GPU wheels for packages including FlashAttention and DeepSpeed.

  • October 7, 2026 · github.com

    LLM inference with limited VRAM

    A post dated July 17, 2026 describes a framework for heterogeneous inference and fine-tuning, distributing experts across GPU and CPU.

  • October 7, 2026 · x.com

    Prompt injection in AI-analyzed binaries

    Research from the Naval Postgraduate School, published on July 12, 2026, describes how strings in C binaries can influence language-model reverse-engineering agents.

  • October 7, 2026 · eeengineer.com

    Authorized inspection of HTTPS traffic with TLS 1.3

    An article published on August 29, 2026, explains how to record session secrets using SSLKEYLOGFILE and load them into Wireshark to inspect HTTP requests in captured HTTPS connections.

  • October 7, 2026 · cdrdv2-public.intel.com

    Intel updates paper on memory protections

    On July 1, 2026, Intel updated its technical paper on memory protections in Intel architecture for confidential computing, document 869103.

  • October 7, 2026 · arxiv.org

    Interpretability beyond human concepts

    Published on September 22, 2026, the paper investigates whether language models use internal representations that do not map adequately to familiar human concepts.

  • October 7, 2026 · x.com

    Automated interpretability for attention heads

    A paper published on June 29, 2026 describes a technique that explains attention heads with Python programs. Replacing about 40% of attention patterns in Llama-3B with program outputs had little effect on performance across tasks.

  • October 7, 2026 · x.com

    IW-OPD reweights tokens in on-policy distillation

    A post published on June 30, 2026 presents IW-OPD, a method that assigns greater weight to early tokens in on-policy distillation and reports a 6.9-point gain over standard OPD on AIME-2025.

  • October 7, 2026 · arxiv.org

    Jamba combines Transformer, Mamba and MoE

    The paper, published on September 20, 2026, describes a hybrid architecture that interleaves Transformer and Mamba blocks and uses mixture-of-experts in some layers.

  • October 7, 2026 · arxivb.org

    JAZ and evaluating recursive agent loops

    Published on September 26, 2026, the post describes JAZ, a minimalist framework that uses a single recursive primitive for agent loops, and claims it may outperform Letta and ACE at lower cost.

  • October 7, 2026 · arxiv.org

    JIT-Agent adapts agent harnesses to each task

    The article on JIT-Agent describes on-demand synthesis and evolution of harnesses for LLM-based agents, using modules for memory, planning, actions, and tools. Published August 27, 2026.

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