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Derek Lewis

@dlewis.io

CTO, Software Engineer. Opinions expressed are my own.

9 Posts25 Follower 60 Folgt

Derek Lewis @dlewis.io · 5d ago

New article on the infrastructure used to train Kimi K3:

The screenshot is an excerpt from a Bloomberg article that quotes "The 20,000 chips Moonshot accesses via Alibaba, meanwhile, are from Nvidia's earlier generation of Hopper products, the people familiar with the agreement said. Hoppers were the industrial standard for training and running AI models until Nvidia launched Blackwells."

Derek Lewis @dlewis.io · 6d ago

Continued Fable safeguard triggers and fallback to Opus has me almost wanting to convert back to OpenAI & Codex.

Derek Lewis @dlewis.io · last mo.

Just discovered that macOS in 2026 does not have a fork event mechanism. Trying to debug forking web server implementing that I'm writing, and lldb's follow fork setting to automatically attach to a child process does not work.

Screenshot of a terminal window showing an lldb debugging session on macOS 26. The author attempts to set a breakpoint and have lldb follow the child process on a fork() for the breakpoint to trigger, but macOS does not support follow on fork.