How-To Guides

Single-task recipes — pick these when you know what you want and need the answer fast. For whole-program walkthroughs, see Tutorials; for the design rationale behind a feature, see Concepts.

For users

• Using Ginkgo
  • Switch executor
  • Move data between executors
  • Zero-copy from application memory
  • Read and write matrices
  • Pick a solver / preconditioner pair
  • Configure stopping criteria
  • Log convergence and timings
  • Configure solvers via JSON
  • Use an existing MPI communicator
  • Assemble a distributed matrix
  • Tune a sparse direct solve
  • Use a batched solver
  • Mixed and multi-precision solvers and preconditioners
  • Build a mixed-precision kernel with accessors
  • Integrate ProfilerHook with Caliper

For contributors

• Contributing to Ginkgo
  • Set up a development environment
  • Speed up rebuilds
  • Add a new kernel
  • Add a new matrix format
  • Add a new iterative solver
  • Add a new preconditioner
  • Add a backend extension
  • Write tests
  • Run the benchmark suite
  • Submit a pull request