Issues

• LinearMHDDriftkineticCC: delta-f energy drift (en_fB) dominates the energy budget in the ITPA TAE example

  struphy-hub/struphy#882 · Filter by author spossann opened on Nov 3, 2026
  2

• Sobol drawing with clones

  bug
  struphy-hub/struphy#826 · Filter by author spossann opened on Oct 23, 2026

• Cyclotron velocity scale: negative velocity and time units for a negatively charged bulk species

  struphy-hub/struphy#825 · Filter by author spossann opened on Oct 23, 2026

• given_in_basis: LiteralOptions.GivenInBasis = None, defaults?

  struphy-hub/struphy#814 · Filter by author spossann opened on Oct 21, 2026

• feectools KroneckerStencilMatrix.dot and .tostencil() are pure-Python loops

  struphy-hub/struphy#792 · Filter by author spossann opened on Oct 19, 2026

• Output.evaluate: document representation="norm" (unit-basis components, not the magnitude); add a Cartesian representation

  AIdocumentationenhancement
  struphy-hub/struphy#770 · Filter by author spossann opened on Oct 14, 2026

• Multi-GPU runs are very slow due to MPI exchange of device (CuPy) arrays in feectools

  CUDAGPU
  struphy-hub/struphy#769 · Filter by author max-models opened on Oct 14, 2026
  1

• Investigate reducing particle counts and timesteps at fixed scientific accuracy

  struphy-hub/struphy#756 · Filter by author max-models opened on Oct 12, 2026

• Reduce global synchronization in particle migration and Krylov solves

  struphy-hub/struphy#755 · Filter by author max-models opened on Oct 12, 2026

• Batch particle kernels by spatial tiles and reuse basis/geometry evaluations

  CUDAGPU
  struphy-hub/struphy#754 · Filter by author max-models opened on Oct 12, 2026

• Reduce nonlinear MHD assembly and inner-solve work with inexact Newton

  struphy-hub/struphy#753 · Filter by author max-models opened on Oct 12, 2026

• Scale multigrid with coarse-level rank reduction and robust geometry support

  struphy-hub/struphy#752 · Filter by author max-models opened on Oct 12, 2026

• Add factored gather–multiply–scatter particle coupling operators

  struphy-hub/struphy#751 · Filter by author max-models opened on Oct 12, 2026

• Use sum factorization and partial assembly for FEEC operator application

  struphy-hub/struphy#750 · Filter by author max-models opened on Oct 12, 2026

• Parallel projector solves ~100x slower: BLAS thread oversubscription under MPI

  AIbug
  struphy-hub/struphy#743 · Filter by author spossann opened on Oct 10, 2026

• GuidingCenter en_fB sums over holes and ghosts; test_scalars en_fB tests fail on devel

  AIbugmedium
  struphy-hub/struphy#727 · Filter by author max-models opened on Oct 7, 2026

• Port GVEC to GPU

  CUDAGPU
  struphy-hub/struphy#715 · Filter by author max-models opened on Oct 7, 2026

• cunumpy features that would replace struphy helpers

  CUDAGPU
  struphy-hub/struphy#700 · Filter by author max-models opened on Oct 7, 2026

• Port the diffusion and SPH kernels to CUDA

  CUDAGPU
  struphy-hub/struphy#694 · Filter by author max-models opened on Oct 7, 2026

• Port the hybrid 5D kernels to CUDA

  CUDAGPU
  struphy-hub/struphy#693 · Filter by author max-models opened on Oct 7, 2026

• Port the hybrid MHD-kinetic 6D kernels to CUDA (current and pressure coupling)

  CUDAGPU
  struphy-hub/struphy#692 · Filter by author max-models opened on Oct 7, 2026

• Port the guiding-centre kernels to CUDA (ToyDrift, DriftKineticElectrostaticAdiabatic)

  CUDAGPU
  struphy-hub/struphy#691 · Filter by author max-models opened on Oct 7, 2026

• First GPU run of the CUDA tests (H100)

  CUDAGPU
  struphy-hub/struphy#687 · Filter by author max-models opened on Oct 7, 2026

• Kernel tests fail in scheduled pipeline

  struphy-hub/struphy#664 · Filter by author spossann opened on Oct 2, 2026

• Move plotting dependencies to pproc

  struphy-hub/struphy#660 · Filter by author max-models opened on Oct 2, 2026
  1