The AI Said Mandatory. I Measured 23% Slower.
An AI reviewer told me a hash swap was mandatory and 300 to 400 percent faster. It was 23 percent slower. The lesson is not about hashing, it is about what an LLM can and cannot know about your code.
Go
How We Cut Our Go API Latency by 75%
A practical guide to modern Go performance patterns we applied to our feed service at Wishew. P50 latency from ~200ms to ~50ms.