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Performance Measurement

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Agents/2026-08-05Advanced

Reading the Same History in 38 Seconds — or 0.4: Handing a Read-Only .git to Your Agent

Antigravity CLI 1.1.10 lets the sandbox read .git without write access. I built a per-session history summary two ways, measured a roughly 100x speed gap, traced it to process spawn cost, and added a guard for shallow clones that silently corrupt the numbers.