Two Qwen3 Models on One DGX Spark: The Residency Math for Local LLM Setup
Summary
The article documents a technical exploration of running two Qwen3 models on a DGX Spark for local LLM setups, detailing residency math, memory budgeting, and practical debugging steps. It compares vLLM and Ollama, explains memory budgeting pitfalls, and provides a concrete action plan for co-resident models with Hermes routing and Clawrium orchestration. The piece offers actionable guidance for practitioners deploying multi-model LLM inference on single hardware backends.