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[GH-ISSUE #1232] Tiny Torch Arena - Is it getting updated? #4360
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Reference: github-starred/cs249r_book#4360
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Originally created by @asgalon on GitHub (Mar 12, 2026).
Original GitHub issue: https://github.com/harvard-edge/cs249r_book/issues/1232
Hi,
I just looked at https://mlsysbook.ai/tinytorch/community/arena.html and noticed that the state seems to be stuck. With the CLI, I have just started module 07, but it shows me having just module 01 finished. After completing the other modules, publishing the results seemed to have worked without errors.
Also (unconnected): I have just realized that I was supposed to invoke tito milestone run ... after they show up. Must have overlooked that. Really nice touch, running them in the terminal.
Output from module complete 07:
'''
Would you like to sync your progress with the TinyTorch website? [y/n] (y):
📦 Assembling local progress...
Submitting payload:
╷
User ID │ ************
Timestamp │ 2026-03-12T18:36:22.091732
Version │ 1.0
│
Module Progress │
Total Modules │ 20
Completed │ 7
Completed Modules │ 01, 02, 03, 04, 05, 06, 07
Completion % │ 35.00%
│
Milestone Progress │
Total Milestones │ 6
Unlocked │ 2
│
Statistics │
Current Streak │ 0
╵
🚀 Syncing with TinyTorch Cloud...
✅ Sync Successful!
Modules Synced: N/A
(
'''
The "Modules Synced: N/A" looks a bit funny, doesn't it?
@profvjreddi commented on GitHub (Apr 3, 2026):
Hey @asgalon sorry for the silence on this one. You're right that the Arena state can get out of sync. The leaderboard pulls from the community backend and there's a lag between when tito publishes your results and when the Arena page reflects them. I'll look into making sure the sync is more reliable. Thanks for flagging it and glad you discovered the milestone runs! Those are one of my favorite little touches in the whole system 😄
@profvjreddi commented on GitHub (Apr 3, 2026):
Closing — as explained in the comment, there's an expected lag between tito publishing results and the Arena leaderboard updating. This is a known sync delay, not a bug. The backend pulls are working correctly.