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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>
#include <cstddef>
namespace Test {
namespace Impl {
template <class MemorySpaceA, class MemorySpaceB>
struct TestDeepCopy {
using a_base_t = Kokkos::View<double*, Kokkos::LayoutRight, MemorySpaceA>;
using b_base_t = Kokkos::View<double*, Kokkos::LayoutRight, MemorySpaceB>;
using a_char_t = Kokkos::View<char*, Kokkos::LayoutRight, MemorySpaceA>;
using b_char_t = Kokkos::View<char*, Kokkos::LayoutRight, MemorySpaceB>;
using policyA_t = Kokkos::RangePolicy<typename MemorySpaceA::execution_space>;
using policyB_t = Kokkos::RangePolicy<typename MemorySpaceB::execution_space>;
static void reset_a_copy_and_b(
Kokkos::View<char*, Kokkos::LayoutRight, MemorySpaceA> a_char_copy,
Kokkos::View<char*, Kokkos::LayoutRight, MemorySpaceB> b_char) {
const int N = b_char.extent_int(0);
Kokkos::parallel_for(
"TestDeepCopy: FillA_copy", policyA_t(0, N),
KOKKOS_LAMBDA(const int& i) { a_char_copy(i) = char(0); });
Kokkos::parallel_for(
"TestDeepCopy: FillB", policyB_t(0, N),
KOKKOS_LAMBDA(const int& i) { b_char(i) = char(0); });
}
static int compare_equal(
Kokkos::View<char*, Kokkos::LayoutRight, MemorySpaceA> a_char_copy,
Kokkos::View<char*, Kokkos::LayoutRight, MemorySpaceA> a_char) {
const int N = a_char.extent_int(0);
int errors;
Kokkos::parallel_reduce(
"TestDeepCopy: FillA_copy", policyA_t(0, N),
KOKKOS_LAMBDA(const int& i, int& lsum) {
if (a_char_copy(i) != a_char(i)) lsum++;
},
errors);
return errors;
}
static void run_test(int num_bytes) {
a_base_t a_base("test_space_to_space", (num_bytes + 128) / 8);
a_base_t a_base_copy("test_space_to_space", (num_bytes + 128) / 8);
Kokkos::View<double*, Kokkos::LayoutRight, MemorySpaceB> b_base(
"test_space_to_space", (num_bytes + 128) / 8);
Kokkos::View<char*, Kokkos::LayoutRight, MemorySpaceA> a_char(
(char*)a_base.data(), a_base.extent(0) * 8);
Kokkos::View<char*, Kokkos::LayoutRight, MemorySpaceA> a_char_copy(
(char*)a_base_copy.data(), a_base.extent(0) * 8);
Kokkos::View<char*, Kokkos::LayoutRight, MemorySpaceB> b_char(
(char*)b_base.data(), b_base.extent(0) * 8);
Kokkos::parallel_for(
"TestDeepCopy: FillA", policyA_t(0, a_char.extent(0)),
KOKKOS_LAMBDA(const int& i) {
a_char(i) = static_cast<char>(i % 97) + 1;
});
reset_a_copy_and_b(a_char_copy, b_char);
{
size_t check = compare_equal(a_char_copy, a_char);
ASSERT_EQ(check, a_char.extent(0));
}
// (a.data()%8, (a.data()+a.extent(0))%8, b.data()%8,
// (b.data()+b.extent(0))%8 (0,0,0,0)
{
int a_begin = 0;
int a_end = 0;
int b_begin = 0;
int b_end = 0;
auto a = Kokkos::subview(
a_char, std::pair<int, int>(a_begin, a_char.extent_int(0) - a_end));
auto b = Kokkos::subview(
b_char, std::pair<int, int>(b_begin, b_char.extent_int(0) - b_end));
auto a_copy = Kokkos::subview(
a_char_copy,
std::pair<int, int>(a_begin, a_char_copy.extent_int(0) - a_end));
Kokkos::deep_copy(b, a);
Kokkos::deep_copy(a_copy, b);
int check = compare_equal(a_copy, a);
ASSERT_EQ(check, 0);
}
{
int a_begin = 0;
int a_end = 5;
int b_begin = 0;
int b_end = 5;
auto a = Kokkos::subview(
a_char, std::pair<int, int>(a_begin, a_char.extent_int(0) - a_end));
auto b = Kokkos::subview(
b_char, std::pair<int, int>(b_begin, b_char.extent_int(0) - b_end));
auto a_copy = Kokkos::subview(
a_char_copy,
std::pair<int, int>(a_begin, a_char_copy.extent_int(0) - a_end));
Kokkos::deep_copy(b, a);
Kokkos::deep_copy(a_copy, b);
int check = compare_equal(a_copy, a);
ASSERT_EQ(check, 0);
}
{
int a_begin = 3;
int a_end = 0;
int b_begin = 3;
int b_end = 0;
auto a = Kokkos::subview(
a_char, std::pair<int, int>(a_begin, a_char.extent_int(0) - a_end));
auto b = Kokkos::subview(
b_char, std::pair<int, int>(b_begin, b_char.extent_int(0) - b_end));
auto a_copy = Kokkos::subview(
a_char_copy,
std::pair<int, int>(a_begin, a_char_copy.extent_int(0) - a_end));
Kokkos::deep_copy(b, a);
Kokkos::deep_copy(a_copy, b);
int check = compare_equal(a_copy, a);
ASSERT_EQ(check, 0);
}
{
int a_begin = 3;
int a_end = 6;
int b_begin = 3;
int b_end = 6;
auto a = Kokkos::subview(
a_char, std::pair<int, int>(a_begin, a_char.extent_int(0) - a_end));
auto b = Kokkos::subview(
b_char, std::pair<int, int>(b_begin, b_char.extent_int(0) - b_end));
auto a_copy = Kokkos::subview(
a_char_copy,
std::pair<int, int>(a_begin, a_char_copy.extent_int(0) - a_end));
Kokkos::deep_copy(b, a);
Kokkos::deep_copy(a_copy, b);
int check = compare_equal(a_copy, a);
ASSERT_EQ(check, 0);
}
{
int a_begin = 5;
int a_end = 4;
int b_begin = 3;
int b_end = 6;
auto a = Kokkos::subview(
a_char, std::pair<int, int>(a_begin, a_char.extent_int(0) - a_end));
auto b = Kokkos::subview(
b_char, std::pair<int, int>(b_begin, b_char.extent_int(0) - b_end));
auto a_copy = Kokkos::subview(
a_char_copy,
std::pair<int, int>(a_begin, a_char_copy.extent_int(0) - a_end));
Kokkos::deep_copy(b, a);
Kokkos::deep_copy(a_copy, b);
int check = compare_equal(a_copy, a);
ASSERT_EQ(check, 0);
}
{
int a_begin = 0;
int a_end = 8;
int b_begin = 2;
int b_end = 6;
auto a = Kokkos::subview(
a_char, std::pair<int, int>(a_begin, a_char.extent_int(0) - a_end));
auto b = Kokkos::subview(
b_char, std::pair<int, int>(b_begin, b_char.extent_int(0) - b_end));
auto a_copy = Kokkos::subview(
a_char_copy,
std::pair<int, int>(a_begin, a_char_copy.extent_int(0) - a_end));
Kokkos::deep_copy(b, a);
Kokkos::deep_copy(a_copy, b);
int check = compare_equal(a_copy, a);
ASSERT_EQ(check, 0);
}
{
int a_begin = 2;
int a_end = 6;
int b_begin = 0;
int b_end = 8;
auto a = Kokkos::subview(
a_char, std::pair<int, int>(a_begin, a_char.extent_int(0) - a_end));
auto b = Kokkos::subview(
b_char, std::pair<int, int>(b_begin, b_char.extent_int(0) - b_end));
auto a_copy = Kokkos::subview(
a_char_copy,
std::pair<int, int>(a_begin, a_char_copy.extent_int(0) - a_end));
Kokkos::deep_copy(b, a);
Kokkos::deep_copy(a_copy, b);
int check = compare_equal(a_copy, a);
ASSERT_EQ(check, 0);
}
}
};
} // namespace Impl
TEST(TEST_CATEGORY, deep_copy_alignment) {
{
Impl::TestDeepCopy<TEST_EXECSPACE::memory_space,
TEST_EXECSPACE::memory_space>::run_test(100000);
}
{
Impl::TestDeepCopy<Kokkos::HostSpace,
TEST_EXECSPACE::memory_space>::run_test(100000);
}
{
Impl::TestDeepCopy<TEST_EXECSPACE::memory_space,
Kokkos::HostSpace>::run_test(100000);
}
}
namespace Impl {
template <class Scalar1, class Scalar2, class Layout1, class Layout2>
struct TestDeepCopyScalarConversion {
struct TagFill {};
struct TagCompare {};
using view_type_s1_1d = Kokkos::View<Scalar1*, Layout1, TEST_EXECSPACE>;
using view_type_s2_1d = Kokkos::View<Scalar2*, Layout2, TEST_EXECSPACE>;
using view_type_s1_2d = Kokkos::View<Scalar1**, Layout1, TEST_EXECSPACE>;
using view_type_s2_2d = Kokkos::View<Scalar2**, Layout2, TEST_EXECSPACE>;
using base_layout1 =
std::conditional_t<std::is_same_v<Layout1, Kokkos::LayoutStride>,
Kokkos::LayoutLeft, Layout1>;
using base_layout2 =
std::conditional_t<std::is_same_v<Layout2, Kokkos::LayoutStride>,
Kokkos::LayoutLeft, Layout2>;
using base_type_s1_1d = Kokkos::View<Scalar1*, base_layout1, TEST_EXECSPACE>;
using base_type_s2_1d = Kokkos::View<Scalar2*, base_layout2, TEST_EXECSPACE>;
using base_type_s1_2d = Kokkos::View<Scalar1**, base_layout1, TEST_EXECSPACE>;
using base_type_s2_2d = Kokkos::View<Scalar2**, base_layout2, TEST_EXECSPACE>;
view_type_s1_1d view_s1_1d;
view_type_s2_1d view_s2_1d;
view_type_s1_2d view_s1_2d;
view_type_s2_2d view_s2_2d;
Kokkos::View<int64_t, TEST_EXECSPACE> error_count;
void create_views(int64_t N0, int64_t N1) {
base_type_s1_1d b_s1_1d("TestDeepCopyConversion::b_s1_1d", N0);
base_type_s2_1d b_s2_1d("TestDeepCopyConversion::b_s2_1d", N0);
base_type_s1_2d b_s1_2d("TestDeepCopyConversion::b_s1_2d", N0, N1);
base_type_s2_2d b_s2_2d("TestDeepCopyConversion::b_s2_2d", N0, N1);
view_s1_1d = view_type_s1_1d(b_s1_1d, Kokkos::ALL);
view_s2_1d = view_type_s2_1d(b_s2_1d, Kokkos::ALL);
view_s1_2d = view_type_s1_2d(b_s1_2d, Kokkos::ALL, Kokkos::ALL);
view_s2_2d = view_type_s2_2d(b_s2_2d, Kokkos::ALL, Kokkos::ALL);
error_count = Kokkos::View<int64_t, TEST_EXECSPACE>(
"TestDeepCopyConversion::error_count");
}
KOKKOS_FUNCTION
void operator()(TagFill, const int64_t i) const {
view_s2_1d(i) = static_cast<Scalar2>(i + 1);
for (int64_t j = 0; j < static_cast<int64_t>(view_s2_2d.extent(1)); j++)
view_s2_2d(i, j) = static_cast<Scalar2>((i + 1) * 1000 + j + 1);
}
KOKKOS_FUNCTION
void operator()(TagCompare, const int64_t i) const {
int64_t errors = 0;
if (view_s1_1d(i) != static_cast<Scalar1>(static_cast<Scalar2>(i + 1)))
errors++;
for (int64_t j = 0; j < static_cast<int64_t>(view_s1_2d.extent(1)); j++) {
if (view_s1_2d(i, j) !=
static_cast<Scalar1>(static_cast<Scalar2>((i + 1) * 1000 + j + 1)))
errors++;
}
if (errors > 0) Kokkos::atomic_add(&error_count(), errors);
}
void run_tests(int64_t N0, int64_t N1) {
create_views(N0, N1);
Kokkos::parallel_for("TestDeepCopyConversion::Fill",
Kokkos::RangePolicy<TEST_EXECSPACE, TagFill,
Kokkos::IndexType<int64_t>>(0, N0),
*this);
Kokkos::deep_copy(view_s1_1d, view_s2_1d);
Kokkos::deep_copy(view_s1_2d, view_s2_2d);
Kokkos::parallel_for("TestDeepCopyConversion::Compare",
Kokkos::RangePolicy<TEST_EXECSPACE, TagCompare,
Kokkos::IndexType<int64_t>>(0, N0),
*this);
int64_t errors = 0;
Kokkos::deep_copy(errors, error_count);
ASSERT_EQ(errors, 0);
Kokkos::deep_copy(view_s1_1d, static_cast<Scalar1>(0));
Kokkos::deep_copy(view_s1_2d, static_cast<Scalar1>(0));
Kokkos::parallel_for("TestDeepCopyConversion::Compare",
Kokkos::RangePolicy<TEST_EXECSPACE, TagCompare,
Kokkos::IndexType<int64_t>>(0, N0),
*this);
Kokkos::deep_copy(errors, error_count);
ASSERT_GT(errors, 0);
Kokkos::deep_copy(error_count, 0);
Kokkos::deep_copy(TEST_EXECSPACE(), view_s1_1d, view_s2_1d);
Kokkos::deep_copy(TEST_EXECSPACE(), view_s1_2d, view_s2_2d);
Kokkos::parallel_for("TestDeepCopyConversion::Compare",
Kokkos::RangePolicy<TEST_EXECSPACE, TagCompare,
Kokkos::IndexType<int64_t>>(0, N0),
*this);
Kokkos::deep_copy(errors, error_count);
ASSERT_EQ(errors, 0);
}
};
} // namespace Impl
TEST(TEST_CATEGORY, deep_copy_conversion) {
#ifdef KOKKOS_IMPL_32BIT
GTEST_SKIP() << "Failing KOKKOS_IMPL_32BIT"; // FIXME_32BIT
#endif
int64_t N0 = 19381;
int64_t N1 = 17;
using right = Kokkos::LayoutRight;
using left = Kokkos::LayoutLeft;
using stride = Kokkos::LayoutStride;
Impl::TestDeepCopyScalarConversion<double, double, right, right>().run_tests(
N0, N1);
Impl::TestDeepCopyScalarConversion<double, double, right, left>().run_tests(
N0, N1);
Impl::TestDeepCopyScalarConversion<double, double, left, right>().run_tests(
N0, N1);
Impl::TestDeepCopyScalarConversion<double, double, stride, right>().run_tests(
N0, N1);
Impl::TestDeepCopyScalarConversion<double, double, right, stride>().run_tests(
N0, N1);
Impl::TestDeepCopyScalarConversion<double, float, right, right>().run_tests(
N0, N1);
Impl::TestDeepCopyScalarConversion<double, float, right, left>().run_tests(
N0, N1);
Impl::TestDeepCopyScalarConversion<double, float, left, right>().run_tests(
N0, N1);
Impl::TestDeepCopyScalarConversion<double, float, stride, right>().run_tests(
N0, N1);
Impl::TestDeepCopyScalarConversion<double, float, right, stride>().run_tests(
N0, N1);
}
} // namespace Test
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