The Tool Desk
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1. Define the workload and its non-negotiable requirements
Start with an inventory of what you will run and how it behaves. Training, fine-tuning, batch inference, and online inference can stress different parts of a GPU cloud. Record enough detail to request comparable configurations and build a meaningful pilot.
- Workload: training, fine-tuning, batch inference, or online inference; model and dataset characteristics; and expected concurrency or utilization patterns.
- Software: framework, library, driver, runtime, container, and other dependency versions.
- Compute: peak GPU memory, GPU count, CPU and host-memory needs, and whether work spans multiple GPUs or nodes.
- Data and communication: dataset size, storage access pattern, inter-GPU communication, and data movement into the target region.
- Service goals: job-time or throughput targets, latency goals where relevant, and availability and recovery needs.
- Constraints: approved processing and storage locations, required controls, and contract or regulatory obligations. Separate hard requirements from preferences.
This inventory becomes the common specification for provider questions, benchmark runs, cost estimates, and migration acceptance.
2. Verify the full compute configuration and available capacity
A GPU model or accelerator count alone does not establish how a workload will perform. Ask each provider for the configuration available in the region you intend to use, and clarify whether the service delivers bare metal or virtual machines.
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- Exact GPU model, memory per GPU, and GPUs per instance.
- Host CPU and memory, along with the GPU-to-host configuration.
- For multi-GPU and multi-node jobs, the interconnect, topology, and how that topology is exposed to the scheduler or tenant.
- Whether virtualization preserves the PCIe and NVLink topology relevant to your workload.
- Current capacity, reservation options, and the process for obtaining capacity when needed.
- Tenant controls and APIs for provisioning, lifecycle operations, and resource visibility.
NVIDIA’s AI cloud requirements, version 2.4 dated 2026-09-01, and its performance guidance identify native access to GPU, network, and storage resources and topology-aware placement as performance considerations. Use those considerations to frame questions; they do not establish that a particular provider offers a specific configuration.
3. Test networking and storage from the GPU nodes
For distributed training, collectives, or high-throughput inference, measure node-to-node bandwidth and latency using the topology and software stack you plan to deploy. Ask whether hardware-accelerated networking is available, what virtualized network path is used, and what isolation and traffic controls apply.
For data-intensive work, measure storage throughput and latency from the target GPU compute nodes rather than relying only on a standalone storage benchmark. Confirm whether storage is persistent, how it is mounted, and how data will be staged into the region—including the process and cost of moving it.
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NVIDIA’s performance reference discusses networking, topology, and storage connectivity in virtualized AI clouds; its AI cloud requirements also discuss data-movement capabilities. These are evaluation criteria, not proof of an unnamed provider’s configuration or results.
4. Check security, privacy, and data sovereignty across the lifecycle
Map the controls that apply from data ingestion through retirement. Include source data, features and embeddings, training and evaluation data, model weights, checkpoints, inference inputs and outputs, and logs. A region choice for compute alone may not answer where related data and artifacts are processed or stored.
- Approved locations for processing and storage, including derived data, logs, model artifacts, and backups where applicable.
- Encryption in transit and at rest, plus customer-controlled or external key management if your requirements call for it.
- Private access, identity controls, least privilege, tenant isolation, and audit-log availability.
- Provider personnel access and operational oversight, including how privileged access is controlled and recorded.
- Incident response, data sanitization, and the handling of data and artifacts when a workload ends.
- Evidence and contract language that match your actual jurisdiction and regulatory obligations.
Microsoft’s AI sovereignty guidance discusses residency, encryption and key control, confidential processing, operational oversight, model provenance, and responsible-use controls across AI lifecycle phases. It is cloud-vendor guidance, not a legal conclusion or evidence that another provider offers the same controls. Confirm requirements with your organization’s security, privacy, and legal owners.
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5. Establish who operates each layer and what the service guarantees
Request a shared-responsibility matrix and name the owner for each operational task. Depending on the service, responsibilities may be divided among your team, the cloud provider, and managed-service operators.
- Host hardware, GPU drivers, and patching.
- Kubernetes or other scheduler control plane, upgrades, and workload lifecycle.
- Network and storage configuration, monitoring, and capacity management.
- Backups, incident response, and hardware break-fix.
- Support escalation, access to health and topology information, and quota visibility.
Read service-level terms for the measurement period, exclusions, maintenance, support escalation, recovery objectives, and remedies. NVIDIA’s AI cloud requirements describe operational and API capabilities. Its GB300 NVL72 inference provider requirements give a deployment-specific example of operator and tenant responsibilities and managed Kubernetes expectations. Neither source substitutes for the contract or operating model of the provider you are evaluating.
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6. Estimate cost per useful result, not just the GPU rate
Build estimates with equivalent regions, configurations, workload durations, and utilization assumptions. Choose a unit that reflects delivered work—such as a completed training run, inference request, or token—and estimate its full cost. Include:
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- GPU and host charges.
- Persistent and high-performance storage.
- Networking and data transfer.
- Managed services, software licenses, and support.
- Idle or reserved capacity, commitments, and expected utilization.
- Temporary overlap while the current and target environments both run.
Google Cloud notes that its GPU pricing page excludes disk, networking, sole-tenant nodes, and VM instance pricing; GPU charges are added to machine-type charges. AWS’s Pricing Calculator supports workload scenarios, discounts and commitments, and historical usage baselines. Use current, region-specific inputs and validate estimates against actual billing: prices and discounts change, and a provider’s discount claim is not a universal saving.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.7. Compare providers using the same workload and assumptions
For each candidate, record evidence against the same workload specification rather than comparing marketing labels. Make the comparison include:
- Accelerator model and memory, GPU count, capacity availability, and reservation terms.
- Interconnect, topology visibility, multi-node performance, and network isolation.
- Storage performance measured from GPU nodes, persistence, data staging, and transfer costs.
- Region availability, data locations, key control, tenant isolation, and audit evidence.
- Managed-service scope, APIs and scheduler behavior, support, incident handling, and service-level terms.
- End-to-end performance and cost per useful output, including idle time and migration overlap.
- Portability of containers and runtimes, data-egress terms, exit process, and effort to move workloads back or elsewhere.
Use benchmark results from your own representative configuration to resolve performance questions; a GPU-family name, provider specification, or validation label is not a substitute for workload-specific evidence. NVIDIA’s AI Cloud Ready validation initiative describes an end-to-end infrastructure validation framework, but its existence does not show that a particular provider passed a particular test or that the result predicts your workload’s behavior.
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8. Pilot first, then migrate in controlled stages
Make the pilot representative enough to expose the dependencies and operating work that production will inherit. Use the same model, code, important data characteristics, dependency versions, and service targets where practical. Define acceptance criteria before the test so the decision is based on agreed outcomes rather than impressions.
- Prepare the target: provision the intended region and configuration, stage representative data, and verify access from the GPU nodes.
- Run the workload: measure quality, throughput or job time, tail latency when relevant, reliability, operational effort, and total cost against the current environment.
- Exercise operations: test interruption and recovery, monitoring, access revocation, support escalation, and the rollback procedure.
- Review results: compare observed outcomes with the pre-agreed acceptance criteria and investigate gaps before increasing production traffic or job volume.
- Shift gradually: move workloads in stages, retaining a workable rollback option until the new environment is operating as intended.
NVIDIA describes representative-workload validation in its AI Cloud Ready initiative. Provider-level validation can inform due diligence, but it cannot replace a pilot of your own workload and configuration.
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