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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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6
lib/kokkos/example/tutorial/03_simple_view_lambda/CMakeLists.txt
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@ -1,10 +1,10 @@
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})
IF (Kokkos_ENABLE_CXX11)
# This is a tutorial, not a test, so we don't ask CTest to run it.
TRIBITS_ADD_EXECUTABLE(
KOKKOS_ADD_EXECUTABLE(
tutorial_03_simple_view_lambda
SOURCES simple_view_lambda.cpp
COMM serial mpi

78
lib/kokkos/example/tutorial/03_simple_view_lambda/simple_view_lambda.cpp
View File

@ -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
@ -65,10 +66,10 @@
//
// The first dimension of the View is the dimension over which it is
// efficient for Kokkos to parallelize.
typedef Kokkos::View<double*[3]> view_type;
typedef Kokkos::View<double * [3]> view_type;
int main (int argc, char* argv[]) {
Kokkos::initialize (argc, argv);
int main(int argc, char* argv[]) {
Kokkos::initialize(argc, argv);
{
// Allocate the View. The first dimension is a run-time parameter
@ -86,37 +87,40 @@ int main (int argc, char* argv[]) {
//
// The string "A" is just the label; it only matters for debugging.
// Different Views may have the same label.
view_type a ("A", 10);
view_type a("A", 10);
// Fill the View with some data. The parallel_for loop will iterate
// over the View's first dimension N.
//
// Note that the View is passed by value into the lambda. The macro
// KOKKOS_LAMBDA includes the "capture by value" clause [=]. This
// tells the lambda to "capture all variables in the enclosing scope
// by value." Views have "view semantics"; they behave like
// pointers, not like std::vector. Passing them by value does a
// shallow copy. A deep copy never happens unless you explicitly
// ask for one.
// 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_for (10, KOKKOS_LAMBDA (const int i) {
// Acesss the View just like a Fortran array. The layout depends
// on the View's memory space, so don't rely on the View's
// physical memory layout unless you know what you're doing.
a(i,0) = 1.0*i;
a(i,1) = 1.0*i*i;
a(i,2) = 1.0*i*i*i;
});
// Fill the View with some data. The parallel_for loop will iterate
// over the View's first dimension N.
//
// Note that the View is passed by value into the lambda. The macro
// KOKKOS_LAMBDA includes the "capture by value" clause [=]. This
// tells the lambda to "capture all variables in the enclosing scope
// by value." Views have "view semantics"; they behave like
// pointers, not like std::vector. Passing them by value does a
// shallow copy. A deep copy never happens unless you explicitly
// ask for one.
// 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_for(
10, KOKKOS_LAMBDA(const int i) {
// Acesss the View just like a Fortran array. The layout depends
// on the View's memory space, so don't rely on the View's
// physical memory layout unless you know what you're doing.
a(i, 0) = 1.0 * i;
a(i, 1) = 1.0 * i * i;
a(i, 2) = 1.0 * i * i * i;
});
// Reduction functor that reads the View given to its constructor.
double sum = 0;
Kokkos::parallel_reduce (10, KOKKOS_LAMBDA (const int i, double& lsum) {
lsum += a(i,0)*a(i,1)/(a(i,2)+0.1);
}, sum);
printf ("Result: %f\n", sum);
#endif
Kokkos::parallel_reduce(
10,
KOKKOS_LAMBDA(const int i, double& lsum) {
lsum += a(i, 0) * a(i, 1) / (a(i, 2) + 0.1);
},
sum);
printf("Result: %f\n", sum);
#endif
}
Kokkos::finalize ();
Kokkos::finalize();
}