Reference documentation for deal.II version 9.5.0
\(\newcommand{\dealvcentcolon}{\mathrel{\mathop{:}}}\) \(\newcommand{\dealcoloneq}{\dealvcentcolon\mathrel{\mkern-1.2mu}=}\) \(\newcommand{\jump}[1]{\left[\!\left[ #1 \right]\!\right]}\) \(\newcommand{\average}[1]{\left\{\!\left\{ #1 \right\}\!\right\}}\)
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kokkos.cc
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1// ---------------------------------------------------------------------
2//
3// Copyright (C) 2022 - 2023 by the deal.II authors
4//
5// This file is part of the deal.II library.
6//
7// The deal.II library is free software; you can use it, redistribute
8// it, and/or modify it under the terms of the GNU Lesser General
9// Public License as published by the Free Software Foundation; either
10// version 2.1 of the License, or (at your option) any later version.
11// The full text of the license can be found in the file LICENSE.md at
12// the top level directory of deal.II.
13//
14// ---------------------------------------------------------------------
15
16#include <deal.II/base/kokkos.h>
18
21
22#include <Kokkos_Core.hpp>
23
25
26namespace internal
27{
29
30 void
32 {
33 if (!Kokkos::is_initialized()
34#if KOKKOS_VERSION >= 30700
35 && !Kokkos::is_finalized()
36#endif
37 )
38 {
39 // only execute once
40 static bool dummy = [] {
42#if KOKKOS_VERSION >= 30700
43 const auto settings =
44 Kokkos::InitializationSettings().set_num_threads(
46#else
47 const Kokkos::InitArguments settings(MultithreadInfo::n_threads());
48#endif
49 Kokkos::initialize(settings);
50 std::atexit(Kokkos::finalize);
51 return true;
52 }();
53 (void)dummy;
54 }
55 }
56} // namespace internal
static unsigned int n_threads()
#define DEAL_II_NAMESPACE_OPEN
Definition config.h:472
#define DEAL_II_NAMESPACE_CLOSE
Definition config.h:473
void ensure_kokkos_initialized()
Definition kokkos.cc:31
bool dealii_initialized_kokkos
Definition kokkos.cc:28
const TriangulationDescription::Settings settings