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TRACE: Trajectory-robust Admission with Evidence Ordering for Efficient GUI Agents

A new method called TRACE (Trajectory-robust Admission with Evidence Ordering) addresses the growing inference latency and memory costs of GUI agents that accumulate high-resolution screenshots as their trajectories unfold. The approach targets training-free visual token pruning, but the work notes that cache reuse imposes a fundamental constraint: once tokens are discarded, the corresponding visual evidence cannot be recovered.

read1 min views2 publishedSep 14, 2026

GUI agents accumulate high-resolution screenshots as the trajectory unfolds, increasing inference latency and memory usage. Training-free visual token pruning can reduce this cost, but cache reuse introduces a fundamental constraint. Once tokens are discarded, the corresponding visual evidence canno

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