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Phase 1 write-up: Stabilizing cumulant propagation at depth 32 — a trajectory-calibrated moment chain, with an error budget (submission #314695)
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0
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22
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July 24, 2026
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Submissions score 50/50 with 0 failures but flagged "Evaluation could not complete"
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1
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94
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July 23, 2026
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[whest run] Residual Wall Time in the budget-breakdown panel reads ~39,807 s under --runner subprocess
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0
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97
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July 23, 2026
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[flopscope] budget_summary_dict() cost grows with process history — silently inflates residual and can cost the 0.1 multiplier floor
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0
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108
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July 23, 2026
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There is a bug in flopscope.numpy.linalg.solve that undercounts batched right-hand sides
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3
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357
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July 22, 2026
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Phase 1 write-up: A variance/bias budget for deep white-box mean estimation (submission 317660)
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0
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270
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July 21, 2026
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Flopscope v0.8.0 Release Candidate Available!
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12
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1387
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July 20, 2026
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📹 Townhall Summary & Recording
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0
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398
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July 17, 2026
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[flopscope] Bug report: empty contractions receive negative FLOP charges (budget increases)
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1
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263
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July 17, 2026
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Live Q&A with ARC Organisers | Join the Townhall on July 6
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3
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646
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July 16, 2026
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Leaderboard issue!
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0
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707
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July 12, 2026
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Unbiased randomized-QMC + Rao-Blackwell for post-ReLU activation means — method, unbiasedness proof, and where the frontier is
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1
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1111
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July 7, 2026
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Algorithmic contribution prize guidelines: How ARC judges these prizes — discretion, technical writeups & LLM usage
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4
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1124
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July 6, 2026
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[Phase 1 write-up] Characterizing a systematic scale bias in the Gaussian-closure estimator (submission #314331)
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0
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810
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July 6, 2026
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Same submission but different scores?
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2
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480
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June 30, 2026
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Datasets with higher moments?
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1
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815
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June 30, 2026
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How to use pytorch in this challenge?
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5
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569
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June 26, 2026
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Explain this issue
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1
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485
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June 26, 2026
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Memory usage limit
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2
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514
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June 23, 2026
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:speech_balloon: Feedback & Suggestions
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17
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1368
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June 23, 2026
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Submission validates locally but fails with Evaluation error
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2
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453
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June 23, 2026
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Submission fails due to the redirect
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7
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544
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June 20, 2026
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ARC Phase 1
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5
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819
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June 19, 2026
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Phase 1 Launch - deeper models, and increased prizes!
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2
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1203
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June 19, 2026
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Getting 400 on submissions since yesterday evening
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1
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409
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June 9, 2026
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✨ ARC White-Box Estimation Challenge is Now Open
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1
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845
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June 2, 2026
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:busts_in_silhouette: Looking for teammates?
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2
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427
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June 2, 2026
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What is the meaning of top2 in the new leaderboard?
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3
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6227
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September 17, 2020
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🏆 Challenge Summary & Winner Announcement
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1
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901
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February 20, 2026
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🏆 Final Results & Winner Announcement
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3
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1171
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March 10, 2026
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