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Tpetra: Initialize KokkosKernels TPLs during init #13630
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Signed-off-by: Brian Kelley <[email protected]>
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Good call
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@trilinos/tpetra
Now that KokkosKernels 4.5 is out, call
KokkosKernels::eager_initialize()
inside all versions ofTpetra::initialize()
.Motivation
From kokkos/kokkos-kernels#2317:
There have been 3 instances I know of where TPL handle initialization caused specific kernel calls to take way longer than expected. The current behavior makes it hard to understand the true performance cost of that kernel from a Trilinos StackedTimer or Kokkos tools profile.
Related Issues
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Testing
Tpetra::initialize
is well tested in tpetra/core/test/Core.