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Choose the system.
Not the sticker.
A practical, sourced guide to how GPUs work, which variant fits, how AI inference is served, when orchestration helps, and how to optimize cost without optimizing away the SLO.
Choose your path through the playbook
Read in order if you are new to accelerators. Experienced operators can enter at the decision they are making now.
Eleven chapters, one decision system
Every chapter ends in a rule, worksheet, checklist, or operating artifact - so the playbook can be used during an actual purchase or deployment.
- 018 min↗
Start here
Turn a workload, service target, and operating envelope into a benchmarkable shortlist.
- 0212 min↗
How GPUs work
A practical model of compute, memory, bandwidth, precision, and the links between accelerators.
- 0315 min↗
GPU catalog
Compare representative NVIDIA, AMD, and Intel data-center accelerators without mixing incompatible metrics.
- 0412 min↗
Workload selection
Selection recipes for training, fine-tuning, inference, image and video, rendering, and HPC.
- 0518 min↗
Inference
Prefill, decode, KV cache, latency metrics, batching, caching, quantization, and capacity planning.
- 0612 min↗
Scaling & topology
Choose data, tensor, pipeline, expert, and context parallelism - and place them on the right fabric.
- 0715 min↗
Orchestration
Understand what the inference engine, Ray, Kubernetes, GPU Operator, Kueue, and Volcano each own.
- 0814 min↗
Cost & procurement
Model fully loaded cost, SLO goodput, purchase options, commitments, and interruption risk.
- 0912 min↗
Optimization
A measured sequence from idle cleanup and right-sizing through batching, precision, caching, and power.
- 1012 min↗
Operations
Observe service, engine, GPU, fabric, and scheduler signals - and rehearse failures before production.
- 1110 min↗
Reference
The reusable math, vocabulary, caveats, and dated primary sources behind this playbook.
Useful beyond the next GPU launch
Stable conceptsArchitecture, formulas, benchmarking, and operating principles are explained from primary sources.
Exact variantsMemory, links, power, and sharing are attached to a named package - not a family nickname.
Changing factsPrice, availability, lifecycle, and compatibility are dated or routed to live official sources.
Claims with conditionsVendor benchmarks stay vendor claims; production decisions require the target workload and SLO.