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TestNestedReducerCTAD.cpp
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TestNestedReducerCTAD.cpp
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//@HEADER
// ************************************************************************
//
// Kokkos v. 4.0
// Copyright (2022) 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.
//
// Part of Kokkos, under the Apache License v2.0 with LLVM Exceptions.
// See https://kokkos.org/LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//@HEADER
#include <Kokkos_Core.hpp>
namespace {
struct TestNestedReducerCTAD {
using MemorySpace = Kokkos::DefaultExecutionSpace::memory_space;
using ScalarType = int;
using IndexType = int;
using TeamPolicy = Kokkos::TeamPolicy<Kokkos::DefaultExecutionSpace>;
using TeamHandle = TeamPolicy::member_type;
struct FakeComparator {
KOKKOS_FUNCTION bool operator()(ScalarType, ScalarType) const {
return true;
};
};
template <class ValueType>
struct FakeFunctor {
KOKKOS_FUNCTION void operator()(int, ValueType&) const {}
};
template <class ReducerTypeExpected, class TeamHandle,
class ReducerTypeToCheck>
KOKKOS_FUNCTION static void check_types(TeamHandle const& team_handle,
ReducerTypeToCheck const& reducer) {
static_assert(std::is_same_v<ReducerTypeExpected, ReducerTypeToCheck>);
Kokkos::parallel_reduce(
Kokkos::TeamVectorRange(team_handle, 0, 0),
FakeFunctor<typename ReducerTypeExpected::value_type>(), reducer);
}
KOKKOS_FUNCTION void operator()(TeamHandle const& team_handle) const {
{
using ReducerTypeExpected = Kokkos::Sum<ScalarType, MemorySpace>;
using ValueType = ReducerTypeExpected::value_type;
Kokkos::View<ValueType, MemorySpace> view;
Kokkos::Sum reducer(view);
check_types<ReducerTypeExpected>(team_handle, reducer);
}
{
using ReducerTypeExpected = Kokkos::Prod<ScalarType, MemorySpace>;
using ValueType = ReducerTypeExpected::value_type;
Kokkos::View<ValueType, MemorySpace> view;
Kokkos::Prod reducer(view);
check_types<ReducerTypeExpected>(team_handle, reducer);
}
{
using ReducerTypeExpected = Kokkos::Min<ScalarType, MemorySpace>;
using ValueType = ReducerTypeExpected::value_type;
Kokkos::View<ValueType, MemorySpace> view;
Kokkos::Min reducer(view);
check_types<ReducerTypeExpected>(team_handle, reducer);
}
{
using ReducerTypeExpected = Kokkos::Max<ScalarType, MemorySpace>;
using ValueType = ReducerTypeExpected::value_type;
Kokkos::View<ValueType, MemorySpace> view;
Kokkos::Max reducer(view);
check_types<ReducerTypeExpected>(team_handle, reducer);
}
{
using ReducerTypeExpected = Kokkos::LAnd<ScalarType, MemorySpace>;
using ValueType = ReducerTypeExpected::value_type;
Kokkos::View<ValueType, MemorySpace> view;
Kokkos::LAnd reducer(view);
check_types<ReducerTypeExpected>(team_handle, reducer);
}
{
using ReducerTypeExpected = Kokkos::LOr<ScalarType, MemorySpace>;
using ValueType = ReducerTypeExpected::value_type;
Kokkos::View<ValueType, MemorySpace> view;
Kokkos::LOr reducer(view);
check_types<ReducerTypeExpected>(team_handle, reducer);
}
{
using ReducerTypeExpected = Kokkos::BAnd<ScalarType, MemorySpace>;
using ValueType = ReducerTypeExpected::value_type;
Kokkos::View<ValueType, MemorySpace> view;
Kokkos::BAnd reducer(view);
check_types<ReducerTypeExpected>(team_handle, reducer);
}
{
using ReducerTypeExpected = Kokkos::BOr<ScalarType, MemorySpace>;
using ValueType = ReducerTypeExpected::value_type;
Kokkos::View<ValueType, MemorySpace> view;
Kokkos::BOr reducer(view);
check_types<ReducerTypeExpected>(team_handle, reducer);
}
{
using ReducerTypeExpected =
Kokkos::MinLoc<ScalarType, IndexType, MemorySpace>;
using ValueType = ReducerTypeExpected::value_type;
Kokkos::View<ValueType, MemorySpace> view;
Kokkos::MinLoc reducer(view);
check_types<ReducerTypeExpected>(team_handle, reducer);
}
{
using ReducerTypeExpected =
Kokkos::MaxLoc<ScalarType, IndexType, MemorySpace>;
using ValueType = ReducerTypeExpected::value_type;
Kokkos::View<ValueType, MemorySpace> view;
Kokkos::MaxLoc reducer(view);
check_types<ReducerTypeExpected>(team_handle, reducer);
}
{
using ReducerTypeExpected = Kokkos::MinMax<ScalarType, MemorySpace>;
using ValueType = ReducerTypeExpected::value_type;
Kokkos::View<ValueType, MemorySpace> view;
Kokkos::MinMax reducer(view);
check_types<ReducerTypeExpected>(team_handle, reducer);
}
{
using ReducerTypeExpected =
Kokkos::MinMaxLoc<ScalarType, IndexType, MemorySpace>;
using ValueType = ReducerTypeExpected::value_type;
Kokkos::View<ValueType, MemorySpace> view;
Kokkos::MinMaxLoc reducer(view);
check_types<ReducerTypeExpected>(team_handle, reducer);
}
{
using ReducerTypeExpected =
Kokkos::MaxFirstLoc<ScalarType, IndexType, MemorySpace>;
using ValueType = ReducerTypeExpected::value_type;
Kokkos::View<ValueType, MemorySpace> view;
Kokkos::MaxFirstLoc reducer(view);
check_types<ReducerTypeExpected>(team_handle, reducer);
}
{
using ReducerTypeExpected =
Kokkos::MaxFirstLocCustomComparator<ScalarType, IndexType,
FakeComparator, MemorySpace>;
using ValueType = ReducerTypeExpected::value_type;
Kokkos::View<ValueType, MemorySpace> view;
FakeComparator comparator;
Kokkos::MaxFirstLocCustomComparator reducer(view, comparator);
check_types<ReducerTypeExpected>(team_handle, reducer);
}
{
using ReducerTypeExpected =
Kokkos::MinFirstLoc<ScalarType, IndexType, MemorySpace>;
using ValueType = ReducerTypeExpected::value_type;
Kokkos::View<ValueType, MemorySpace> view;
Kokkos::MinFirstLoc reducer(view);
check_types<ReducerTypeExpected>(team_handle, reducer);
}
{
using ReducerTypeExpected =
Kokkos::MinFirstLocCustomComparator<ScalarType, IndexType,
FakeComparator, MemorySpace>;
using ValueType = ReducerTypeExpected::value_type;
Kokkos::View<ValueType, MemorySpace> view;
FakeComparator comparator;
Kokkos::MinFirstLocCustomComparator reducer(view, comparator);
check_types<ReducerTypeExpected>(team_handle, reducer);
}
{
using ReducerTypeExpected =
Kokkos::MinMaxFirstLastLoc<ScalarType, IndexType, MemorySpace>;
using ValueType = ReducerTypeExpected::value_type;
Kokkos::View<ValueType, MemorySpace> view;
Kokkos::MinMaxFirstLastLoc reducer(view);
check_types<ReducerTypeExpected>(team_handle, reducer);
}
{
using ReducerTypeExpected = Kokkos::MinMaxFirstLastLocCustomComparator<
ScalarType, IndexType, FakeComparator, MemorySpace>;
using ValueType = ReducerTypeExpected::value_type;
Kokkos::View<ValueType, MemorySpace> view;
FakeComparator comparator;
Kokkos::MinMaxFirstLastLocCustomComparator reducer(view, comparator);
check_types<ReducerTypeExpected>(team_handle, reducer);
}
{
using ReducerTypeExpected = Kokkos::FirstLoc<IndexType, MemorySpace>;
using ValueType = ReducerTypeExpected::value_type;
Kokkos::View<ValueType, MemorySpace> view;
Kokkos::FirstLoc reducer(view);
check_types<ReducerTypeExpected>(team_handle, reducer);
}
{
using ReducerTypeExpected = Kokkos::LastLoc<IndexType, MemorySpace>;
using ValueType = ReducerTypeExpected::value_type;
Kokkos::View<ValueType, MemorySpace> view;
Kokkos::LastLoc reducer(view);
check_types<ReducerTypeExpected>(team_handle, reducer);
}
{
using ReducerTypeExpected =
Kokkos::StdIsPartitioned<IndexType, MemorySpace>;
using ValueType = ReducerTypeExpected::value_type;
Kokkos::View<ValueType, MemorySpace> view;
Kokkos::StdIsPartitioned reducer(view);
check_types<ReducerTypeExpected>(team_handle, reducer);
}
{
using ReducerTypeExpected =
Kokkos::StdPartitionPoint<IndexType, MemorySpace>;
using ValueType = ReducerTypeExpected::value_type;
Kokkos::View<ValueType, MemorySpace> view;
Kokkos::StdPartitionPoint reducer(view);
check_types<ReducerTypeExpected>(team_handle, reducer);
}
}
static void test_ctad_inside_parallel_for() {
Kokkos::parallel_for(TeamPolicy(0, Kokkos::AUTO), TestNestedReducerCTAD());
}
};
} // namespace