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SPLMeasurementConfigFor Navigation tasks only, Measures the SPL (Success weighted by Path Length) ref: On Evaluation of Embodied Agents - Anderson et. al https://arxiv.org/pdf/1807.06757.pdf Measure is always 0 except at success where it will be the ratio of the optimal distance from start to goal over the total distance traveled by the agent. Maximum value is 1. SPL = success * optimal_distance_to_goal / distance_traveled_so_far