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Michael Kuron authored 7 years ago and Christian Godenschwager committed 7 years ago

API changes in blockforest::PhantomBlockForest, blockforest::loadbalancing, pe::amr::weight_assignment
mpi can now only send/receive walberla::optional instead of boost::optional

Michael Kuron authored 7 years ago and Christian Godenschwager committed 7 years ago

API change for vtk::VTKOutput::getFilenames

- Avoid that defining points are aligned on a Plane
- Improve numerical stability of cross product

Also remove some unneeded boost includes

static calcMass and calcInertia functions are now available for all geometries

[API]: changed body mapping functions: removed most of them, added mapping-decider function, accomodated changes to test cases, added new mapping test case

[API]: changed pe coupling mapping functions interfaces, added new mapping functions, adapted test cases and benchmarks

- one python file can now generate multiple source files

Changes introduced in this commit are the following:

- CUDA streams: Add support for asynchronous (un)packing operations using CUDA
  streams in cuda::communication::GPUPackInfo. Through asynchronous operations
  it is possible to overlap GPU computation and MPI communication in simulations
  (e.g. LBM simulations). Asynchronous copies in CUDA require pinned memory on
  the host, and for that purpose a staging buffer is introduced (i.e.
  cuda::communication::PinnedMemoryBuffer) in the cuda module, which is used to
  stage data between the GPU and the MPI buffers.

- zyxf layout: Add zyxf field layout support in GPUPackInfo through extensions
  of the functions in cuda::GPUCopy.

- Extended GPUPackInfo test: Add stream and zyxf layout tests to the
  GPUPackInfoTest to test the proposed implementation.

- Extended Kernel: add CUDA stream and shared memory configuration support in
  cuda::Kernel class.

Signed-off-by: João Victor Tozatti Risso <joaovictortr@protonmail.com>