Why it matters

Full stack view shapes design. Understanding shapes ops.

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The architecture

GPU + driver + CUDA.

Runtime + engine (vLLM / TRT-LLM).

K8s + gateway.

App + observability.

Full LLM stack layersHardware + driversGPU + CUDARuntime + enginevLLM / TRT-LLMApp + gateway + obsuser-facingEach layer optimizable independently; end-to-end perf is combined effect
LLM stack full.
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How it works end to end

Layers: HW → runtime → engine → gateway → app.

Observability across layers.

Each layer choice matters.