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Daily Edition · Page 3

THE DAILY INDEX

Technology, AI, software, security, crypto and business

HEADLINES & LAUNCHES

TLDR AI

TLDR AI

GENERALIZATION DYNAMICS OF LM PRE-TRAINING

Language models (LMs) undergo unpredictable switches between parroting patterns and exhibiting adaptive intelligence during pre-training, a phenomenon termed "mode-hopping." This behavior cannot be corrected by standard optimization techniques and presents as a competition for model capacity, influenced by data from each training window. Researchers propose leveraging these dynamics to better select pre-training checkpoints, curate data for stable generalization, and evaluate metrics predicting LM behavior.

jiaxin-wen.github.io · 17 min

TLDR AI

FINE-TUNING NVIDIA COSMOS PREDICT 2.5 WITH LORA/DORA FOR ROBOT VIDEO GENERATION

NVIDIA Cosmos Predict 2.5 generates videos from text, adapting for specific tasks like robot manipulation using LoRA/DoRA to inject trainable adapters, minimizing memory use. These methods offer efficient fine-tuning on a single GPU, preventing catastrophic forgetting while generating synthetic trajectories quickly. Fine-tuning with LoRA and DoRA significantly improves video quality, with LoRA more suited for tight memory conditions and DoRA preferred for addressing training instability.

huggingface.co · 9 min

TLDR AI

VERA ARRIVES: NVIDIA'S FIRST CPU BUILT FOR AGENTS LANDS AT TOP AI LABS

The first Nvidia Vera CPUs recently arrived at Anthropic, OpenAI, SpaceXAI, and Oracle. They were hand-delivered by Nvidia Vice President of Hyperscale and High-Performance Computing, Ian Buck. Vera features 88 custom Nvidia-designed Olympus cores, 1.2 TB/s of memory bandwidth, and 50% faster per-core performance. It is the host processor for Vera Rubin NVL72, which pairs via second-generation Nvidia NVLink-C2C to a pair of Rubin GPUs.

blogs.nvidia.com · 4 min

TLDR IndexPage 3