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Rust lands inside CUDA kernels & AI learns PostgreSQL query planning - Hacker News (Sep 17, 2026)

Rust lands inside CUDA kernels & AI learns PostgreSQL query planning - Hacker News (Sep 17, 2026)

Published 2 weeks, 5 days ago
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Today's topics:

Rust lands inside CUDA kernels - NVIDIA is pushing Rust deeper into CUDA with native GPU kernel support through cuda-oxide and cutile-rs. It matters for GPU programming, memory safety, PTX, and safer high-performance compute without leaving the CUDA ecosystem.

AI learns PostgreSQL query planning - A 4B open-weights model was trained to generate better PostgreSQL query plans and cut latency on join-heavy benchmarks. The story highlights reinforcement learning, SQL optimization, database performance, and practical AI for infrastructure.

Ternary models get denser storage - Researchers showed that ternary LLMs can be stored more efficiently by exploiting how often weights are zero. The result touches model compression, inference throughput, CPUs, GPUs, and lower-cost LLM serving.

.NET 11 stacks quiet speedups - Microsoft says .NET 11 gets faster through many small wins across the JIT, garbage collection, networking, and core libraries. The bigger takeaway is runtime performance, LINQ efficiency, and cumulative gains for real applications.

Small engineering knowledge compounds productivity - One essay argues that tiny coding habits and bits of team knowledge can deliver outsized engineering gains. It is a useful reminder about developer productivity, debugging, incident response, and knowledge sharing.

AWS data loss sparks backup debate - AWS says some customer data in Bahrain and the UAE cannot be recovered after this year's attacks, raising hard questions about resilience. Paired with a separate backup essay, the story underscores disaster recovery, offsite copies, restore testing, and cloud risk.

Why emergency oil lives underground - A deep dive into the U.S. Strategic Petroleum Reserve explains why massive salt caverns are used instead of tanks. It is a strong example of infrastructure engineering, energy security, storage economics, and resilient design.



-NVIDIA Introduces Two Rust Paths for CUDA GPU Kernels
-Training a 4B Model to Beat Postgres Query Plans
-Why Small Programming Tricks Matter
-MIMO-v2.6 RL Runs Hit Infrastructure Issues but Continue Training
-AWS Says Some Middle East Data May Be Lost After Iran Strikes
-Performance Improvements in .NET 11
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