Knowledge Hub

Engineering Cookbooks

Dense, tactical implementation guides for building and scaling AI in production.

Updated 2026-07-05

Orchestrating Persistent Agent Memory in n8n

A practical design for session-scoped conversational memory in n8n, including retention, persistence, privacy, and failure handling.

n8nAI AgentsMemory ManagementNo-code

Updated 2026-07-05

Implementing Flash Attention in PyTorch

How IO-aware exact attention reduces memory traffic, how PyTorch selects scaled-dot-product attention kernels, and how to verify the backend you actually used.

PyTorchFlash AttentionCUDALLM Training