InverseLBFGSOperator for GPU #306

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1. tmigot

   added

   enhancement

   GPU

   on Dec 20, 2023
2. dpo commented on Dec 20, 2023

   

   dpo

   on Dec 20, 2023

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   The solution is probably #258, but needs to be revisited.
3. amontoison commented on Jan 29, 2025

   

   amontoison

   on Jan 29, 2025

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   We would like to run lbfgs from JSOSolvers.jl with @michel2323 on GPU.
   What is the issue with InverseLBFGSOperator except the type in the workspace?
4. dpo commented on Jan 29, 2025

   

   dpo

   on Jan 29, 2025

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   Sorry, I don’t understand the question
5. amontoison commented on Jan 29, 2025

   

   amontoison

   on Jan 29, 2025

   Last edited by amontoison

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   Sorry I should reformulate my question. Why is it not working on GPU?
   Is it only related to the type of the vectors in the workspace (Vector{T}) ?
6. amontoison commented on Jan 30, 2025

   

   amontoison

   on Jan 30, 2025

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   Ok, I investigated, and it requires more than just making the array types generic. :(

   We need some GPU kernels because some updates affect only specific coefficients in the vectors.

   It's a full day's work.