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[General] Visite ANL #513

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@jbcaillau

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@jbcaillau

@amontoison To be discussed:

  • GPU benchmarking (allocations...) check Test with ExaModels CTBenchmarks.jl#26 (comment)
  • bicoloring, coloring for ADNLP Try different order for colouring CTDirect.jl#385
  • linear solvers
  • kernels for matrix vector operations such $Ax$ (linear) and $\sum_i u_i B_i x$ (bilinear) with $A$ and $B$ matrices and $x$, $u$ vectors; use case: x an (1:n, 0:N) array, u an (1:m, 0:N) array for time discretisation of vector valued functions $x(t) \in \mathbf{R}^n$ and $u(t) \in \mathbf{R}^m$, and bilinear dynamics (target application: quantum control with large matrices $A$, $B_i$)

$$ \dot{x}(t) = A x(t) + \sum_i u_i(t) B_i x(t) $$

  • MadNCL: to be tested soon (see benchmarking above)

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