Reading up on performance-optimization
3 deep · digging since jan 01
- Karpathy's Autoresearch found a 3-year-old bug in our query engine (and improved performance by 11%) - PostHog
PostHog used a Karpathy-style AI agent to find a 3-year-old ClickHouse bug where `toTimeZone()` disabled primary key usage, and the fix cut query time by 37%
- Shopify/liquid: Performance: 53% faster parse+render, 61% fewer allocations
Shopify CEO Tobias Lütke used the autoresearch pattern with a coding agent to achieve 53% faster parse+render and 61% fewer allocations in the Liquid template engine.
- GitHub - LMCache/LMCache: Supercharge Your LLM with the Fastest KV Cache Layer
LMCache is a vendor-neutral KV cache management layer that reduces time-to-first-token and improves throughput for LLM inference by enabling persistent storage and reuse of cached states.