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Update evaluation to support MT1 and fix metalearning evaluation issue - #577

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rainx0r wants to merge 4 commits into
Farama-Foundation:mainfrom
rainx0r:fix-metalearning-evaluation
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Update evaluation to support MT1 and fix metalearning evaluation issue#577
rainx0r wants to merge 4 commits into
Farama-Foundation:mainfrom
rainx0r:fix-metalearning-evaluation

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@rainx0r

@rainx0r rainx0r commented May 20, 2026

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A user of my metaworld-algorithms repository recently reported a bug with the metalearning evaluation procedure, primarily seeming to affect ML1 but likely also affects ML10 and ML45. This was discussed in this issue

This PR addresses this issue by decoupling how we track successes per task sampled in the meta batch from the task_name.

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What remains to be done is run some meta-learning experiments for ML10 and ML45 under this fix and compare

axis and avoid misreported success rate in metalearning evaluation
(rainx0r/metaworld-algorithms#10)
@rainx0r rainx0r changed the title Fix metalearning evaluation success aggregation Fix metalearning evaluation to not count more successes than intended per (task,goal) combination May 20, 2026
@rainx0r rainx0r changed the title Fix metalearning evaluation to not count more successes than intended per (task,goal) combination Update evaluation to support MT1 and fix metalearning evaluation issue May 21, 2026
@reginald-mclean
reginald-mclean marked this pull request as ready for review June 24, 2026 22:55
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