DiFfRG::TBB_ExecutionSpace Struct Reference

The CPU execution space: TBB, the one host thread pool DiFfRG runs on. More...

#include <kokkos.hh>

Public Types
using	memory_space = Kokkos::DefaultHostExecutionSpace::memory_space

Public Member Functions
void	fence () const

Detailed Description

The CPU execution space: TBB, the one host thread pool DiFfRG runs on.

Not a Kokkos backend but a tag that routes an integrator through tbb::parallel_for instead, so that its work is stolen by the same arena deal.II's MeshWorker pipeline uses. This is what every production flow's CPU integrators are instantiated with, and it is optimal in conjunction with the FE discretizations, whose cell workers it nests inside.

Its sibling KokkosHost_exec is the Kokkos host backend, which is Kokkos::Serial unless the build sets KOKKOS_THREADS=ON. Keeping it serial is deliberate: a second pool of spinning workers on the same cores only contends with this one.

Member Typedef Documentation

memory_space

using DiFfRG::TBB_ExecutionSpace::memory_space = Kokkos::DefaultHostExecutionSpace::memory_space

Member Function Documentation

fence()

void DiFfRG::TBB_ExecutionSpace::fence ( ) const

inline

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The documentation for this struct was generated from the following file:

• /home/runner/work/DiFfRG_current/DiFfRG_current/DiFfRG/include/DiFfRG/common/kokkos.hh