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Update Kokkos library in LAMMPS to v3.0

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This commit is contained in:
Stan Moore
2020-03-25 14:08:39 -06:00
parent 0252d8c210
commit 60864e38d1
2169 changed files with 121406 additions and 126492 deletions
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5
lib/kokkos/example/tutorial/04_simple_memoryspaces/CMakeLists.txt
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@ -3,8 +3,7 @@ INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR})
INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
# This is a tutorial, not a test, so we don't ask CTest to run it.
TRIBITS_ADD_EXECUTABLE(
KOKKOS_ADD_EXECUTABLE(
tutorial_04_simple_memoryspaces
SOURCES simple_memoryspaces.cpp
COMM serial mpi
)
)

44
lib/kokkos/example/tutorial/04_simple_memoryspaces/simple_memoryspaces.cpp
View File

@ -1,13 +1,14 @@
/*
//@HEADER
// ************************************************************************
//
// Kokkos v. 2.0
// Copyright (2014) Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
//
// Kokkos v. 3.0
// Copyright (2020) National Technology & Engineering
// Solutions of Sandia, LLC (NTESS).
//
// Under the terms of Contract DE-NA0003525 with NTESS,
// the U.S. Government retains certain rights in this software.
//
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
@ -23,10 +24,10 @@
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// THIS SOFTWARE IS PROVIDED BY NTESS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NTESS OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
@ -36,7 +37,7 @@
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact Christian R. Trott (crtrott@sandia.gov)
//
//
// ************************************************************************
//@HEADER
*/
@ -46,7 +47,7 @@
// The type of a two-dimensional N x 3 array of double.
// It lives in Kokkos' default memory space.
typedef Kokkos::View<double*[3]> view_type;
typedef Kokkos::View<double * [3]> view_type;
// The "HostMirror" type corresponding to view_type above is also a
// two-dimensional N x 3 array of double. However, it lives in the
@ -64,12 +65,12 @@ typedef view_type::HostMirror host_view_type;
struct ReduceFunctor {
view_type a;
ReduceFunctor (view_type a_) : a (a_) {}
typedef int value_type; //Specify type for reduction value, lsum
ReduceFunctor(view_type a_) : a(a_) {}
typedef int value_type; // Specify type for reduction value, lsum
KOKKOS_INLINE_FUNCTION
void operator() (int i, int &lsum) const {
lsum += a(i,0)-a(i,1)+a(i,2);
void operator()(int i, int &lsum) const {
lsum += a(i, 0) - a(i, 1) + a(i, 2);
}
};
@ -77,27 +78,26 @@ int main() {
Kokkos::initialize();
{
view_type a ("A", 10);
view_type a("A", 10);
// If view_type and host_mirror_type live in the same memory space,
// a "mirror view" is just an alias, and deep_copy does nothing.
// Otherwise, a mirror view of a device View lives in host memory,
// and deep_copy does a deep copy.
host_view_type h_a = Kokkos::create_mirror_view (a);
host_view_type h_a = Kokkos::create_mirror_view(a);
// The View h_a lives in host (CPU) memory, so it's legal to fill
// the view sequentially using ordinary code, like this.
for (int i = 0; i < 10; i++) {
for (int j = 0; j < 3; j++) {
h_a(i,j) = i*10 + j;
h_a(i, j) = i * 10 + j;
}
}
Kokkos::deep_copy (a, h_a); // Copy from host to device.
Kokkos::deep_copy(a, h_a); // Copy from host to device.
int sum = 0;
Kokkos::parallel_reduce (10, ReduceFunctor (a), sum);
printf ("Result is %i\n",sum);
Kokkos::parallel_reduce(10, ReduceFunctor(a), sum);
printf("Result is %i\n", sum);
}
Kokkos::finalize ();
Kokkos::finalize();
}