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/*
* GridTools
*
* Copyright (c) 2014-2023, ETH Zurich
* All rights reserved.
*
* Please, refer to the LICENSE file in the root directory.
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <gridtools/storage/info.hpp>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <gridtools/common/integral_constant.hpp>
#include <gridtools/common/tuple.hpp>
namespace gridtools {
namespace storage {
namespace {
using testing::ElementsAre;
using namespace literals;
TEST(StorageInfo, Strides) {
{
auto si = make_info<layout_map<0, 1, 2>>(1_c, tuple(3, 4, 5));
EXPECT_THAT(si.strides(), ElementsAre(20, 5, 1));
EXPECT_EQ(si.length(), 3 * 4 * 5);
}
{
auto si = make_info<layout_map<2, 0, 1>>(1_c, tuple(3, 4, 5));
EXPECT_THAT(si.strides(), ElementsAre(1, 15, 3));
EXPECT_EQ(si.length(), 3 * 4 * 5);
}
{
auto si = make_info<layout_map<-1, 0, 1>>(1_c, tuple(3, 4, 5));
EXPECT_THAT(si.strides(), ElementsAre(0, 5, 1));
EXPECT_EQ(si.length(), 4 * 5);
}
}
TEST(StorageInfo, StridesAlignment) {
{
auto si = make_info<layout_map<0, 1, 2>>(32_c, tuple(3, 4, 5));
EXPECT_THAT(si.strides(), ElementsAre(128, 32, 1));
EXPECT_GE(si.length(), 3 * 4 * 5);
EXPECT_LE(si.length(), 3 * 4 * 32);
}
{
auto si = make_info<layout_map<2, 0, 1>>(32_c, tuple(3, 4, 5));
EXPECT_THAT(si.strides(), ElementsAre(1, 32 * 5, 32));
EXPECT_GE(si.length(), 3 * 4 * 5);
EXPECT_LE(si.length(), 32 * 4 * 5);
}
{
auto si = make_info<layout_map<-1, 0, 1>>(32_c, tuple(3, 4, 5));
EXPECT_THAT(si.strides(), ElementsAre(0, 32, 1));
EXPECT_GE(si.length(), 4 * 5);
EXPECT_LE(si.length(), 4 * 32);
}
}
TEST(StorageInfo, IndexVariadic) {
{
auto si = make_info<layout_map<0, 1, 2>>(1_c, tuple(3, 4, 5));
EXPECT_EQ(si.index(0, 0, 0), 0);
EXPECT_EQ(si.index(0, 0, 1), 1);
EXPECT_EQ(si.index(0, 1, 0), 5);
EXPECT_EQ(si.index(1, 0, 0), 20);
}
{
auto si = make_info<layout_map<2, 0, 1>>(1_c, tuple(3, 4, 5));
EXPECT_EQ(si.index(0, 0, 0), 0);
EXPECT_EQ(si.index(0, 0, 1), 3);
EXPECT_EQ(si.index(0, 1, 0), 15);
EXPECT_EQ(si.index(1, 0, 0), 1);
}
{
auto si = make_info<layout_map<-1, 0, 1>>(1_c, tuple(3, 4, 5));
EXPECT_EQ(si.index(0, 0, 0), 0);
EXPECT_EQ(si.index(0, 0, 1), 1);
EXPECT_EQ(si.index(0, 1, 0), 5);
EXPECT_EQ(si.index(1, 0, 0), 0);
EXPECT_EQ(si.index(1, 1, 1), 6);
}
}
TEST(StorageInfo, Simple) {
{
auto si = make_info<layout_map<2, 1, 0>>(1_c, tuple(3, 3, 3));
EXPECT_EQ(si.index(0, 0, 0), 0);
EXPECT_EQ(si.index(0, 0, 1), 9);
EXPECT_EQ(si.index(0, 0, 2), 18);
EXPECT_EQ(si.index(0, 1, 0), 3);
EXPECT_EQ(si.index(0, 1, 1), 12);
EXPECT_EQ(si.index(0, 1, 2), 21);
EXPECT_EQ(si.index(0, 2, 0), 6);
EXPECT_EQ(si.index(0, 2, 1), 15);
EXPECT_EQ(si.index(0, 2, 2), 24);
EXPECT_EQ(si.index(1, 0, 0), 1);
EXPECT_EQ(si.index(1, 0, 1), 10);
EXPECT_EQ(si.index(1, 0, 2), 19);
}
{
auto si = make_info<layout_map<0, 1, 2>>(1_c, tuple(3, 3, 3));
EXPECT_EQ(si.index(0, 0, 0), 0);
EXPECT_EQ(si.index(0, 0, 1), 1);
EXPECT_EQ(si.index(0, 0, 2), 2);
EXPECT_EQ(si.index(0, 1, 0), 3);
EXPECT_EQ(si.index(0, 1, 1), 4);
EXPECT_EQ(si.index(0, 1, 2), 5);
EXPECT_EQ(si.index(0, 2, 0), 6);
EXPECT_EQ(si.index(0, 2, 1), 7);
EXPECT_EQ(si.index(0, 2, 2), 8);
EXPECT_EQ(si.index(1, 0, 0), 9);
EXPECT_EQ(si.index(1, 0, 1), 10);
EXPECT_EQ(si.index(1, 0, 2), 11);
}
{
auto si = make_info<layout_map<1, 0, 2>>(1_c, tuple(3, 3, 3));
EXPECT_EQ(si.index(0, 0, 0), 0);
EXPECT_EQ(si.index(0, 0, 1), 1);
EXPECT_EQ(si.index(0, 0, 2), 2);
EXPECT_EQ(si.index(0, 1, 0), 9);
EXPECT_EQ(si.index(0, 1, 1), 10);
EXPECT_EQ(si.index(0, 1, 2), 11);
EXPECT_EQ(si.index(0, 2, 0), 18);
EXPECT_EQ(si.index(0, 2, 1), 19);
EXPECT_EQ(si.index(0, 2, 2), 20);
EXPECT_EQ(si.index(1, 0, 0), 3);
EXPECT_EQ(si.index(1, 0, 1), 4);
EXPECT_EQ(si.index(1, 0, 2), 5);
}
// test with different dims
auto x = make_info<layout_map<1, 2, 3, 0>>(1_c, tuple(5, 7, 8, 2));
EXPECT_THAT(x.lengths(), ElementsAre(5, 7, 8, 2));
EXPECT_THAT(x.strides(), ElementsAre(56, 8, 1, 280));
}
TEST(StorageInfo, Alignment) {
{
auto x = make_info<layout_map<1, 2, 3, 0>>(32_c, tuple(5, 7, 32, 2));
EXPECT_THAT(x.lengths(), ElementsAre(5, 7, 32, 2));
EXPECT_THAT(x.strides(), ElementsAre(32 * 7, 32, 1, 5 * 32 * 7));
}
{
auto x = make_info<layout_map<1, 2, 3, 0>>(32_c, tuple(7, 11, 3, 10));
EXPECT_THAT(x.lengths(), ElementsAre(7, 11, 3, 10));
EXPECT_THAT(x.strides(), ElementsAre(32 * 11, 32, 1, 32 * 11 * 7));
EXPECT_EQ(x.index(0, 0, 0, 0), 0);
EXPECT_EQ(x.index(0, 0, 1, 0), 1);
EXPECT_EQ(x.index(0, 0, 2, 0), 2);
}
{
auto x = make_info<layout_map<3, 2, 1, 0>>(32_c, tuple(3, 11, 14, 10));
EXPECT_THAT(x.lengths(), ElementsAre(3, 11, 14, 10));
EXPECT_THAT(x.strides(), ElementsAre(1, 32, 32 * 11, 32 * 11 * 14));
EXPECT_EQ(x.index(0, 0, 0, 0), 0);
EXPECT_EQ(x.index(0, 1, 0, 0), 32);
EXPECT_EQ(x.index(0, 0, 1, 0), 32 * 11);
EXPECT_EQ(x.index(0, 0, 0, 1), 32 * 11 * 14);
}
{
auto x = make_info<layout_map<1, -1, -1, 0>>(32_c, tuple(7, 7, 8, 10));
EXPECT_THAT(x.lengths(), ElementsAre(7, 7, 8, 10));
EXPECT_THAT(x.strides(), ElementsAre(1, 0, 0, 32));
EXPECT_EQ(x.index(0, 0, 0, 0), 0);
EXPECT_EQ(x.index(0, 1, 0, 0), 0);
EXPECT_EQ(x.index(0, 0, 1, 0), 0);
EXPECT_EQ(x.index(0, 0, 0, 1), 32);
EXPECT_GE(x.length(), 7 * 10);
EXPECT_LE(x.length(), 32 * 10);
}
}
} // namespace
} // namespace storage
} // namespace gridtools
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