Comments (4)
devmotion
commented on August 15, 2024
Can you try different older Zygote versions and check if it was introduced in some version? Unfortunately, in my experience the Zygote-ChainRules integration is quite unstable and it is not uncommon that new releases break previously working code while fixing something else.
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Red-Portal
commented on August 15, 2024
@devmotion Unfortunately, I can't wind up to older versions of Zygote due to an issue with Flux needing OneElement which seems to not exist anymore. Any idea what might have caused the problem? Or should I knock on the door of ChainRules? It does seem to be a Bijector specific problem though.
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devmotion
commented on August 15, 2024
No clue, I saw so many mysterious bugs that I became tired of hunting them down and gave up on trying to understand all of them 😄 Based on the stacktrace I assume it is a more general issue with sparse arrays (it seems we end up a ZeroTangent where we need a NoTangent) but of course it is triggered by some code in Bijectors and it would be good to have some minimal example without Bijectors if one wants to demonstrate that is a general problem.
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Red-Portal
commented on August 15, 2024
I guess I'll have to try ReverseDiff for the meantime.
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Related Issues (20)
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