AI Agents, Engineered

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Figure 11.5: Fan-out is cheap and orderly; the reduce is a wall with one narrow gate

A task fans out to four parallel workers, but their results must pass one at a time through a single merge-queue gate in a wall to become one artifact again.
Figure 11.5 Fan-out is cheap and orderly; the reduce is a wall with one narrow gate. Parallel branches must serialize into single-file writes to become one artifact again.