Mar 29, 2023 · Artificial Intelligence

Open Letter Calls for a Six‑Month Pause on Training AI Systems More Powerful Than GPT‑4

A coalition of AI researchers, entrepreneurs and technologists has signed an open letter urging a six‑month halt to training AI models surpassing GPT‑4, citing profound societal risks, while industry leaders debate the impact of rapid AIGC adoption on jobs and safety.

AI SafetyAI ethicsGPT-4

0 likes · 10 min read

Open Letter Calls for a Six‑Month Pause on Training AI Systems More Powerful Than GPT‑4

Meituan Technology Team

Apr 16, 2020 · Databases

Analyzing and Optimizing MySQL Performance on Intel Skylake CPUs

Meituan’s DBA team discovered that Intel Skylake CPUs dramatically increased PAUSE‑instruction latency, causing MySQL’s ut_delay spin‑wait loops to consume most CPU cycles and reduce write throughput, and they restored performance by back‑porting MySQL 8.0’s spin_wait_pause_multiplier patch to 5.7, upgrading to CentOS 7, and moving to Cascadelake hardware.

CPULinuxdatabase

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Analyzing and Optimizing MySQL Performance on Intel Skylake CPUs