# diva: As an AI Engineer. Please learn

**diva @divaagurlxw** · X post

As an AI Engineer. Please learn

>Harness engineering, not just prompt engineering

>Context engineering, not just long prompts

>Prompt caching vs. semantic caching tradeoffs

>KV cache management, eviction, reuse, and memory pressure at scale

>Prefill vs. decode latency and

**Source:** [https://x.com/divaagurlxw/status/2062419864908951606](https://x.com/divaagurlxw/status/2062419864908951606)