deal.II Newsletter #346
Rene Gassmoeller
Hello everyone!
This is deal.II newsletter #346.
It automatically reports recently merged features and discussions about the deal.II finite element library.
Below you find a list of recently proposed or merged features:
#19346: Simplify vec.add(a, other) to vec += other if a==1 (proposed by kronbichler)
#19344: Support for Petsc version 3.25 (proposed by zhaokun-wang)
#19343: Micro-optimization of the Richardson iteration. (proposed by bangerth)
#19341: Make AlignedVector::replicate_across_communicator() more able to deal with big tables. (proposed by bangerth)
#19340: Fix spelling of a cmake message. (proposed by bangerth; merged)
#19339: Make a variable 'const'. (proposed by bangerth; merged)
#19338: Constrain the types a function can deal with. (proposed by bangerth; merged)
#19337: Implement vector copy operation on MemorySpace::Default (proposed by kronbichler; merged)
#19334: PreconditionChebyshev on GPU: Single kernel call for vector updates (proposed by kronbichler; merged)
#19333: Reduce run time of two tests by using FE_RaviartThomasNodal (proposed by kronbichler; merged)
#19332: Reduce run time of a test by reducing sizes (proposed by kronbichler)
#19331: Reduce run time of a test (proposed by kronbichler; merged)
#19330: Reduce run time of fe/fe*_divergence_theorem tests (proposed by kronbichler)
#19329: Use unpreconditioned norm in petsc ksp (proposed by Stuwon)
#19328: Fix memory leak in NonMatching::MappingInfo (proposed by tjhei; merged)
#19327: Optimize InterpolatedUniformGridData delta_x (Fix #19303) (proposed by HarshaMatta; merged)
#19326: `IndexSet::n_elements()`: move the check to `compress()`. (proposed by drwells; merged)
#19325: extend usage of `children_per_object` and `ReferenceCells::max_n_children`. (proposed by AndSte01; merged)
#19324: TriaAccessor: refactor how we represent the level. (proposed by drwells; merged)
#19322: TriaLevel: re-add template arguments. (proposed by drwells; merged)
#19317: Tpetra: Fix const correctness for MueLu preconditioner (proposed by masterleinad; merged)
#19316: VTKWrappers utilities -- part IX -- vtkUnstructuredGrid <-> Triangulation (proposed by luca-heltai; merged)
#19315: VTKWrappers utilities -- part VIII -- read_vtk (proposed by luca-heltai; merged)
#19061: Map DoFs to support points for systems with components lacking support points (proposed by fdrmrc; merged)
And this is a list of recently opened or closed discussions:
#19345 SolverFIRE uses A.residual(). (opened)
#19342 Triangulation::n_global_active_cells() depends on the number of processes. (opened)
#19336 internal face problem with gmsh files (opened)
#19335 Further investigate the odd `IndexSet`s created in #19326 (opened)
#19323 Regression tester regressed eb03c6 (opened and closed)
#19320 Regression tester regressed fbb404 (closed)
#19307 Regression tester regressed 3663c4 (closed)
#19303 InterpolatedUniformGridData::value() should not have to recompute delta_x every time. (closed)
#19298 Regression tester regressed 57ad93 (closed)
#19203 Regression tester regressed 4b2f91 (closed)
#19110 Regression tester regressed 11d828 (closed)
A list of all major changes since the last release can be found at this website.
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