lora
AI infra interview questions tagged lora, across every topic.
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Concepts behind "lora"
The curriculum that explains the ideas these questions test.
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Multi-LoRA ServingA LoRA adapter is a few hundred megabytes of low-rank matrices that turn a base model into a fine-tuned variant, and multi-LoRA serving runs hundreds of them on one copy of the base weights by keeping the adapters in memory and applying the right one per request inside the batch. It is how a platform serves a thousand customers' fine-tunes without a thousand deployments. The costs are an extra small matmul per layer, adapter memory and loading, and a scheduler that has to batch across adapters without starving any of them.🚀 Inference & Serving🔒 Premium
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Multi-Tenant Fine-Tuning ServiceA fine-tuning service takes a customer's dataset and a base model and returns a model, and the design problem is that many customers want this at once, cheaply, without seeing each other's data, on GPUs that must not sit idle between jobs. LoRA changes the shape: an adapter is a few hundred megabytes rather than a copy of the base, so many jobs can share a base in memory and many adapters can be served from one replica. This page designs the service end to end: the pipeline, the LoRA arithmetic that sets memory and cost, the isolation, the scheduler that packs jobs, and the serving path.📐 AI Systems Design🔒 Premium