ROCm vs Vulkan for AMD Local LLM Hosting: 2026 Guide
Choose the right AMD backend per engine
ROCm and Vulkan both accelerate AMD GPUs for local LLM hosting, but they are not interchangeable. The right choice depends on the engine, GPU, and workload.
Llamacpp
KV Cache on 16 GB GPUs: Making Long Context Actually Fit
Why 128K context dies on 16 GB
A model can advertise a 128K context window and still fail at 40K tokens on a 16 GB GPU. The architecture ceiling never promised that weights, KV cache, compute buffers, and the desktop compositor would fit on your card at the same time.