Dimension Reducers builds tools to formalize, stress-test, verify, and structure mathematical knowledge. They offer solutions for LLM training, automated refereeing, and retrieval that understands mathematical structure. Their platform includes tools for refereeing at scale, adversarial testing ("torture testing"), and structured Retrieval Augmented Generation (RAG).
Key products include DiRe-JAX (a dimensionality reduction library), arXiv Math Semantic Search, arXiv Proof Audit Database, Mathematics Torture Chamber, and a Lean 4 Formalization Pipeline. They also publish research and benchmarks in mathematical formalization and OCR, emphasizing semantic accuracy and robustness.
Key products include DiRe-JAX (a dimensionality reduction library), arXiv Math Semantic Search, arXiv Proof Audit Database, Mathematics Torture Chamber, and a Lean 4 Formalization Pipeline. They also publish research and benchmarks in mathematical formalization and OCR, emphasizing semantic accuracy and robustness.
Greg Kroah-Hartman, a long-term Linux kernel maintainer, has observed a significant shift in AI-driven activity around Linux security and code review. Previously receiving "AI slop" – inaccurate or low-quality reports – the past month has seen a marked improvement in the quality and relevance of AI-generated bug reports and security findings across open-source projects. While the cause of this change remains unknown, Kroah-Hartman notes the kernel team can handle the increased volume, but smaller projects may struggle. AI is increasingly used as a reviewer and assistant, and is even beginning to contribute patches, with tools like Sashiko being integrated to manage the influx.
This handbook provides a comprehensive introduction to Claude Code, Anthropic's AI-powered software development agent. It details how Claude Code differs from traditional autocomplete tools, functioning as an agent that reads, reasons about, and modifies codebases with user direction. The guide covers installation, initial setup, advanced workflows, integrations, and autonomous loops. It's aimed at developers, founders, and anyone seeking to leverage AI in software creation, emphasizing building real applications, accelerating feature development, and maintaining codebases efficiently. The handbook also highlights the importance of prompt discipline, planning, and understanding the underlying model to maximize Claude Code's capabilities.
1. **Retrieval-Augmented Generation (RAG):** Ground responses in trusted, retrieved data instead of relying on the model's memory.
2. **Require Citations:** Demand sources for factual claims; retract claims without support.
3. **Tool Calling:** Use LLMs to route requests to verified systems of record (databases, APIs) rather than generating facts directly.
4. **Post-Generation Verification:** Employ a "judge" model to evaluate and score responses for factual accuracy, regenerating or refusing low-scoring outputs. Chain-of-Verification (CoVe) is highlighted.
5. **Bias Toward Quoting:** Prioritize direct quotes over paraphrasing to reduce factual drift.
6. **Calibrate Uncertainty:** Design for safe failure by incorporating confidence scoring, thresholds, and fallback responses.
7. **Continuous Evaluation & Monitoring:** Track hallucination rates and other key metrics to identify and address performance degradation. User feedback loops are critical.
2. **Require Citations:** Demand sources for factual claims; retract claims without support.
3. **Tool Calling:** Use LLMs to route requests to verified systems of record (databases, APIs) rather than generating facts directly.
4. **Post-Generation Verification:** Employ a "judge" model to evaluate and score responses for factual accuracy, regenerating or refusing low-scoring outputs. Chain-of-Verification (CoVe) is highlighted.
5. **Bias Toward Quoting:** Prioritize direct quotes over paraphrasing to reduce factual drift.
6. **Calibrate Uncertainty:** Design for safe failure by incorporating confidence scoring, thresholds, and fallback responses.
7. **Continuous Evaluation & Monitoring:** Track hallucination rates and other key metrics to identify and address performance degradation. User feedback loops are critical.
This article explores how temperature and seed values impact the reliability of agentic loops, which combine LLMs with an Observe-Reason-Act cycle. Low temperatures can lead to deterministic loops where agents get stuck, while high temperatures introduce reasoning drift and instability. Fixed seed values in production environments create reproducibility issues, essentially locking the agent into repeating failed reasoning paths. The piece advocates for dynamic adjustment of these parameters during retries, leveraging techniques like raising temperature or randomizing seeds to encourage exploration and escape failure modes, and highlights the benefits of cost-free tools for testing these adjustments.
This project, `autoresearch-opencode`, is an autonomous experiment loop designed for use with OpenCode. It's a port of `pi-autoresearch`, but implemented as a pure skill, eliminating the need for an MCP server and relying solely on instructions the agent follows using its built-in tools. The skill allows users to automate optimization tasks, as demonstrated by the example of optimizing the BogoSort algorithm which achieved a 7,802x speedup by leveraging Python's `bisect` module for sorted-state detection.
The system maintains state using a JSONL file, enabling resume/pause functionality and detailed experiment tracking. It provides a dashboard for monitoring progress and ensures data integrity through atomic writes and validation checks.
The system maintains state using a JSONL file, enabling resume/pause functionality and detailed experiment tracking. It provides a dashboard for monitoring progress and ensures data integrity through atomic writes and validation checks.
This paper introduces KVTC, a lightweight transform coder designed to compress key-value (KV) caches, which are crucial for efficient large language model (LLM) serving. KV caches enable reuse across conversation turns, but can consume significant GPU memory. KVTC addresses this by applying techniques from classical media compression – PCA-based decorrelation, adaptive quantization, and entropy coding – to reduce cache size without requiring changes to the underlying model. The authors demonstrate that KVTC achieves up to 20x compression while maintaining reasoning accuracy and long-context performance, and even higher compression for specific applications.
The New Stack encourages its readers to contribute to Towards Data Science, a leading platform for data science and AI. Recognizing the increasing convergence of cloud infrastructure, DevOps, and AI engineering, the article invites practitioners to share their experiences with building and deploying AI systems. Successful TDS submissions are technically detailed, timely, and specific. Authors can also benefit from editorial support, promotion, and potential payment opportunities, while building their reputation within the AI community.
The article details “autoresearch,” a project by Karpathy where an AI agent autonomously experiments with training a small language model (nanochat) to improve its performance. The agent modifies the `train.py` file, trains for a fixed 5-minute period, and evaluates the results, repeating this process to iteratively refine the model. The project aims to demonstrate autonomous AI research, focusing on a simplified, single-GPU setup with a clear metric (validation bits per byte).
* **Autonomous Research:** The core concept of AI-driven experimentation.
* **nanochat:** The small language model used for training.
* **Fixed Time Budget:** Each experiment runs for exactly 5 minutes.
* **program.md:** The file containing instructions for the AI agent.
* **Single-File Modification:** The agent only edits `train.py`.
* **Autonomous Research:** The core concept of AI-driven experimentation.
* **nanochat:** The small language model used for training.
* **Fixed Time Budget:** Each experiment runs for exactly 5 minutes.
* **program.md:** The file containing instructions for the AI agent.
* **Single-File Modification:** The agent only edits `train.py`.
Timer-S1 is a scalable Mixture-of-Experts time series model with 8.3B parameters that uses serial scaling and novel TimeMoE blocks to improve long-term forecasting accuracy.
We introduce Timer-S1, a strong Mixture-of-Experts (MoE) time series foundation model with 8.3B total parameters, 0.75B activated parameters for each token, and a context length of 11.5K. To overcome the scalability bottleneck in existing pre-trained time series foundation models, we perform Serial Scaling in three dimensions: model architecture, dataset, and training pipeline. Timer-S1 integrates sparse TimeMoE blocks and generic TimeSTP blocks for Serial-Token Prediction (STP), a generic training objective that adheres to the serial nature of forecasting. The proposed paradigm introduces serial computations to improve long-term predictions while avoiding costly rolling-style inference and pronounced error accumulation in the standard next-token prediction. Pursuing a high-quality and unbiased training dataset, we curate TimeBench, a corpus with one trillion time points, and apply meticulous data augmentation to mitigate predictive bias. We further pioneer a post-training stage, including continued pre-training and long-context extension, to enhance short-term and long-context performance. Evaluated on the large-scale GIFT-Eval leaderboard, Timer-S1 achieves state-of-the-art forecasting performance, attaining the best MASE and CRPS scores as a pre-trained model. Timer-S1 will be released to facilitate further research.
We introduce Timer-S1, a strong Mixture-of-Experts (MoE) time series foundation model with 8.3B total parameters, 0.75B activated parameters for each token, and a context length of 11.5K. To overcome the scalability bottleneck in existing pre-trained time series foundation models, we perform Serial Scaling in three dimensions: model architecture, dataset, and training pipeline. Timer-S1 integrates sparse TimeMoE blocks and generic TimeSTP blocks for Serial-Token Prediction (STP), a generic training objective that adheres to the serial nature of forecasting. The proposed paradigm introduces serial computations to improve long-term predictions while avoiding costly rolling-style inference and pronounced error accumulation in the standard next-token prediction. Pursuing a high-quality and unbiased training dataset, we curate TimeBench, a corpus with one trillion time points, and apply meticulous data augmentation to mitigate predictive bias. We further pioneer a post-training stage, including continued pre-training and long-context extension, to enhance short-term and long-context performance. Evaluated on the large-scale GIFT-Eval leaderboard, Timer-S1 achieves state-of-the-art forecasting performance, attaining the best MASE and CRPS scores as a pre-trained model. Timer-S1 will be released to facilitate further research.
