Perplexity AI Introduces Hybrid Local-Server Inference Orchestrator for Personal Computer: Automatic On-Device and Cloud Task Routing

Perplexity AI

Perplexity AI announces a hybrid local-server inference orchestrator for Personal Computer, automatically routing AI tasks between on-device and cloud models.

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Google SensorFM: The Wearable Health AI Trained on One Trillion Minutes of Data

SensorFM, a wearable health foundation model from Google Research, Google DeepMind, and university collaborators. We walk through its ViT-1D masked-autoencoder backbone, pretrained on more than one trillion minutes of unlabeled sensor signals from 5,000,000 consented participants. We examine the co-scaling results across four model sizes and four data volumes, including the case where capacity outruns data. We show how frozen embeddings plus a PCA-50 linear probe beat feature-engineered baselines on 34 of 35 tasks. We also review the agentic classroom that searched 30,516 prediction heads, and the clinician evaluation grounding a Personal Health Agent.

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Mira Murati’s Thinking Machines Lab Makes the Case for Human-Owned AI

Mira Maruti's Thinking Machines

Thinking Machines Lab published “The Future Worth Building Is Human.” The essay frames human participation, model ownership, and decentralized alignment as technical challenges. It ties them to interaction models and Tinker’s LoRA fine-tuning, where teams train and keep their own model weights.

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How Netflix Slashed Database Read Times from Seconds to Milliseconds

Netflix Casandra

Netflix engineers detailed how they handle wide partitions in Apache Cassandra for the TimeSeries Abstraction. Two approaches work together: Time Slice re-partitioning tunes future partitions at the table level, while dynamic partitioning detects and splits oversized partitions per TimeSeries ID on the read path. Detection runs via byte counting and Kafka, splits are checksum-validated, and Bloom filters route reads to parallel child partitions. Average read latency dropped from seconds to low double-digit milliseconds, with 500MB+ partitions staying available.

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