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Agents & compute / Reading guide

What runs between an agent’s model calls?

Connect industrial agents to their execution environments, CPU measurements, and processor architecture.

01Agentic AI02Where the work runs03CPU time is not elapsed time04The Host CPU in an AI System
01 / Agentic AI

Start with the work the agent does

Reading prompt: Distinguish a vendor's description of an autonomous workflow from measured production outcomes.

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Industrial agentic AI executes workflows rather than answering questions — monitoring process data, deciding and acting — as distinct from conversational copilots; Siemens describes its agents as independently executing complete industrial workflows.

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At Hannover Messe 2026, twelve IoT Analytics analysts counted 29 industrial agentic AI solutions of which 72% were commercially available rather than pilots and 78% were model-agnostic — a measure of what vendors are selling, not what manufacturers are running.

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02 / Where the work runs

Locate the execution environment

Reading prompt: Separate the model, harness, and tools before assigning resource usage to a processor.

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Anthropic describes Managed Agents as separate session, harness, and sandbox components. The harness calls the model and routes tool requests; the sandbox executes code and edits files. This is an operator's architecture description, not a measurement of CPU consumption. It explains why model serving and tool execution should be examined separately.

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03 / CPU time is not elapsed time

Separate work from waiting

Reading prompt: Identify whether the reported time is elapsed latency or CPU time, and which process or machine the measurement covers.

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Python's process_time measures the current process's user and system CPU time and excludes sleep. perf_counter measures elapsed duration, including sleep. A slow tool call therefore does not by itself establish high CPU use. A timer around the harness also does not account for CPU work performed by a separate sandbox or remote service.

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04 / The Host CPU in an AI System

Return to the processor architecture

Reading prompt: Read the host CPU's role alongside the workload evidence. A platform configuration is not a universal CPU-to-GPU requirement.

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NVIDIA's March 2026 Vera Rubin platform announces the Vera CPU as one of seven coordinated chips, with the NVL72 rack pairing 72 GPUs to 36 CPUs — the host processor shipping as a component of a rack-scale product rather than as the machine itself.

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NVIDIA's Grace CPU Superchip pairs 144 Arm Neoverse V2 cores and LPDDR5X memory at up to 1 TB/s with a 900 GB/s NVLink-C2C link to the accelerator — an Arm design in an x86 data centre, specified around the bandwidth of that link rather than around compute.

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