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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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17
lib/kokkos/example/tutorial/02_simple_reduce_lambda/CMakeLists.txt
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@ -1,12 +1,9 @@
INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR})
INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
KOKKOS_INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR})
KOKKOS_INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
KOKKOS_ADD_EXECUTABLE(
tutorial_02_simple_reduce_lambda
SOURCES simple_reduce_lambda.cpp
)
IF (Kokkos_ENABLE_CXX11)
# This is a tutorial, not a test, so we don't ask CTest to run it.
TRIBITS_ADD_EXECUTABLE(
tutorial_02_simple_reduce_lambda
SOURCES simple_reduce_lambda.cpp
COMM serial mpi
)
ENDIF ()

49
lib/kokkos/example/tutorial/02_simple_reduce_lambda/simple_reduce_lambda.cpp
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@ -2,10 +2,11 @@
//@HEADER
// ************************************************************************
//
// Kokkos v. 2.0
// Copyright (2014) Sandia Corporation
// Kokkos v. 3.0
// Copyright (2020) National Technology & Engineering
// Solutions of Sandia, LLC (NTESS).
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// 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
@ -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
@ -56,8 +57,8 @@
// of the parallel_reduce.
//
int main (int argc, char* argv[]) {
Kokkos::initialize (argc, argv);
int main(int argc, char* argv[]) {
Kokkos::initialize(argc, argv);
const int n = 10;
// Compute the sum of squares of integers from 0 to n-1, in
@ -65,30 +66,32 @@ int main (int argc, char* argv[]) {
// functor. The lambda takes the same arguments as the functor's
// operator().
int sum = 0;
// The KOKKOS_LAMBDA macro replaces the capture-by-value clause [=].
// It also handles any other syntax needed for CUDA.
// We also need to protect the usage of a lambda against compiling
// with a backend which doesn't support it (i.e. Cuda 6.5/7.0).
#if defined(KOKKOS_ENABLE_CXX11_DISPATCH_LAMBDA)
Kokkos::parallel_reduce (n, KOKKOS_LAMBDA (const int i, int& lsum) {
lsum += i*i;
}, sum);
#endif
printf ("Sum of squares of integers from 0 to %i, "
"computed in parallel, is %i\n", n - 1, sum);
// The KOKKOS_LAMBDA macro replaces the capture-by-value clause [=].
// It also handles any other syntax needed for CUDA.
// We also need to protect the usage of a lambda against compiling
// with a backend which doesn't support it (i.e. Cuda 6.5/7.0).
#if defined(KOKKOS_ENABLE_CXX11_DISPATCH_LAMBDA)
Kokkos::parallel_reduce(
n, KOKKOS_LAMBDA(const int i, int& lsum) { lsum += i * i; }, sum);
#endif
printf(
"Sum of squares of integers from 0 to %i, "
"computed in parallel, is %i\n",
n - 1, sum);
// Compare to a sequential loop.
int seqSum = 0;
for (int i = 0; i < n; ++i) {
seqSum += i*i;
seqSum += i * i;
}
printf ("Sum of squares of integers from 0 to %i, "
"computed sequentially, is %i\n", n - 1, seqSum);
Kokkos::finalize ();
printf(
"Sum of squares of integers from 0 to %i, "
"computed sequentially, is %i\n",
n - 1, seqSum);
Kokkos::finalize();
#if defined(KOKKOS_ENABLE_CXX11_DISPATCH_LAMBDA)
return (sum == seqSum) ? 0 : -1;
#else
return 0;
#endif
}