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#include "test.h"
template <class T> class VectorInterfaceTest : public VectorTypeTest<T> {};
TYPED_TEST_SUITE_P(VectorInterfaceTest);
TYPED_TEST_P(VectorInterfaceTest, VectorSize) {
using Vector_t = typename TestFixture::Vector_t;
Vector_t v;
Vector_t &vref = v;
EXPECT_TRUE(vecCore::VectorSize(v) > 0);
EXPECT_TRUE(vecCore::VectorSize(v) == vecCore::VectorSize(vref));
EXPECT_TRUE(vecCore::VectorSize<Vector_t>() > 0);
EXPECT_TRUE(vecCore::VectorSize<Vector_t &>() ==
vecCore::VectorSize<Vector_t>());
}
TYPED_TEST_P(VectorInterfaceTest, VectorSizeVariable) {
using Vector_t = typename TestFixture::Vector_t;
Vector_t x;
EXPECT_TRUE(vecCore::VectorSize(x) > 0);
}
TYPED_TEST_P(VectorInterfaceTest, EarlyReturnMaxLength) {
using Vector_t = typename TestFixture::Vector_t;
Vector_t x;
// short vector, should return early if it is allowed
EXPECT_EQ(vecCore::EarlyReturnAllowed(),
vecCore::EarlyReturnMaxLength(x, vecCore::VectorSize<Vector_t>()));
// long vector, should not return early, even if it is allowed
EXPECT_FALSE(
vecCore::EarlyReturnMaxLength(x, vecCore::VectorSize<Vector_t>() / 2));
}
TYPED_TEST_P(VectorInterfaceTest, LoadStore) {
using Vector_t = typename TestFixture::Vector_t;
using Scalar_t = typename TestFixture::Scalar_t;
constexpr auto kVS = vecCore::VectorSize<Vector_t>();
constexpr auto N = 2 * kVS;
alignas(64) Scalar_t input[N];
alignas(64) Scalar_t output[N];
// init input; output
for (size_t i = 0; i < N; ++i) {
input[i] = i;
output[i] = 0;
}
// transfer to output via Load/Store sequence
for (size_t i = 0; i < 2; ++i) {
Vector_t tmp;
vecCore::Load<Vector_t>(tmp, &input[i * kVS]);
tmp = Scalar_t(2) * tmp;
vecCore::Store<Vector_t>(tmp, &output[i * kVS]);
}
// assert input == output
for (size_t i = 0; i < N; ++i)
EXPECT_EQ(2 * input[i], output[i]);
}
TYPED_TEST_P(VectorInterfaceTest, StoreToPtr) {
using Vector_t = typename TestFixture::Vector_t;
using Scalar_t = typename TestFixture::Scalar_t;
constexpr auto kVS = vecCore::VectorSize<Vector_t>();
constexpr auto N = 2 * kVS;
Scalar_t input[N];
Scalar_t output[N];
// init input; output
for (size_t i = 0; i < N; ++i) {
input[i] = 2 * i;
output[i] = 0;
}
// transfer to output via FromPtr; Store sequence
for (size_t i = 0; i < 2; ++i) {
Vector_t tmp(vecCore::Load<Vector_t>(&input[i * kVS]));
vecCore::Store<Vector_t>(tmp, &output[i * kVS]);
}
// assert input == output
for (size_t i = 0; i < N; ++i)
EXPECT_EQ(input[i], output[i]);
}
TYPED_TEST_P(VectorInterfaceTest, StoreMaskToPtr) {
using Vector_t = typename TestFixture::Vector_t;
using Scalar_t = typename TestFixture::Scalar_t;
using Mask_t = typename vecCore::Mask<Vector_t>;
constexpr auto kVS = vecCore::VectorSize<Vector_t>();
constexpr auto N = 2 * kVS;
Scalar_t input[N];
bool output[N];
// init input; output
for (size_t i = 0; i < N; ++i) {
input[i] = 2 * i;
output[i] = false;
}
for (size_t i = 0; i < 2; ++i) {
Vector_t tmp(vecCore::Load<Vector_t>(&input[i * kVS]));
Mask_t m = tmp > Vector_t(1);
vecCore::Store(m, &output[i * kVS]);
}
for (size_t i = 0; i < N; ++i)
EXPECT_EQ(output[i], input[i] > Scalar_t(1));
}
TYPED_TEST_P(VectorInterfaceTest, VectorLaneRead) {
using Vector_t = typename TestFixture::Vector_t;
using Scalar_t = typename TestFixture::Scalar_t;
constexpr auto kVS = vecCore::VectorSize<Vector_t>();
Scalar_t input[kVS];
for (size_t i = 0; i < kVS; ++i) {
input[i] = i;
}
Vector_t tmp(vecCore::Load<Vector_t>(&input[0]));
for (size_t i = 0; i < kVS; ++i)
EXPECT_EQ(input[i], vecCore::Get<Vector_t>(tmp, i));
}
TYPED_TEST_P(VectorInterfaceTest, VectorLaneWrite) {
using Vector_t = typename TestFixture::Vector_t;
using Scalar_t = typename TestFixture::Scalar_t;
constexpr auto kVS = vecCore::VectorSize<Vector_t>();
Scalar_t input[kVS];
for (size_t i = 0; i < kVS; ++i) {
input[i] = i;
}
Vector_t tmp(vecCore::Load<Vector_t>(&input[0]));
for (size_t i = 0; i < kVS; ++i)
vecCore::Set(tmp, i, Scalar_t(10));
for (size_t i = 0; i < kVS; ++i)
EXPECT_EQ(Scalar_t(10), vecCore::Get<Vector_t>(tmp, i));
}
TYPED_TEST_P(VectorInterfaceTest, MaskLaneRead) {
using Vector_t = typename TestFixture::Vector_t;
using Scalar_t = typename TestFixture::Scalar_t;
vecCore::Mask<Vector_t> fmask(false), tmask(true), mmask;
constexpr size_t kVS = vecCore::VectorSize<Vector_t>();
Vector_t input;
for (size_t i = 0; i < kVS; ++i)
vecCore::Set(input, i, (i % 2 == 0) ? Scalar_t(1) : Scalar_t(0));
mmask = input > Vector_t(Scalar_t(0));
for (size_t i = 0; i < kVS; ++i) {
EXPECT_EQ(vecCore::Get(tmask, i), true);
EXPECT_EQ(vecCore::Get(fmask, i), false);
EXPECT_EQ(vecCore::Get(mmask, i), i % 2 == 0);
}
}
TYPED_TEST_P(VectorInterfaceTest, MaskLaneWrite) {
using Vector_t = typename TestFixture::Vector_t;
vecCore::Mask<Vector_t> mask(false);
constexpr auto kVS = vecCore::VectorSize<Vector_t>();
// check for all false
for (size_t i = 0; i < kVS; ++i)
EXPECT_EQ(vecCore::Get(mask, i), false);
// check for all true
for (size_t i = 0; i < kVS; ++i)
vecCore::Set(mask, i, true);
for (size_t i = 0; i < kVS; ++i)
EXPECT_EQ(vecCore::Get(mask, i), true);
// check for interleaving true/false
for (size_t i = 0; i < kVS; ++i)
vecCore::Set(mask, i, i % 2 == 0);
for (size_t i = 0; i < kVS; ++i)
EXPECT_EQ(vecCore::Get(mask, i), i % 2 == 0);
}
TYPED_TEST_P(VectorInterfaceTest, ReduceAdd) {
using Scalar_t = typename TestFixture::Scalar_t;
using Vector_t = typename TestFixture::Vector_t;
Vector_t x(1);
EXPECT_EQ(Scalar_t(vecCore::VectorSize<Vector_t>()), vecCore::ReduceAdd(x));
}
TYPED_TEST_P(VectorInterfaceTest, ReduceMinMax) {
using Scalar_t = typename TestFixture::Scalar_t;
using Vector_t = typename TestFixture::Vector_t;
Vector_t v;
for (size_t i = 0; i < vecCore::VectorSize<Vector_t>(); ++i)
vecCore::Set(v, i, Scalar_t(i + 1));
EXPECT_EQ(Scalar_t(1), vecCore::ReduceMin(v));
EXPECT_EQ(Scalar_t(vecCore::VectorSize<Vector_t>()), vecCore::ReduceMax(v));
}
TYPED_TEST_P(VectorInterfaceTest, Convert) {
using Scalar_t = typename TestFixture::Scalar_t;
using Vector_t = typename TestFixture::Vector_t;
using Index_v = typename vecCore::Index<Vector_t>;
using Index_t = typename vecCore::Scalar<Index_v>;
Index_v idx;
Vector_t v;
for (size_t i = 0; i < vecCore::VectorSize<Vector_t>(); ++i) {
vecCore::Set(v, i, Scalar_t(i));
vecCore::Set(idx, i, Index_t(i));
}
idx = vecCore::Convert<Index_v, Vector_t>(v);
EXPECT_TRUE(vecCore::MaskFull(vecCore::Convert<Vector_t, Index_v>(idx) == v));
}
TYPED_TEST_P(VectorInterfaceTest, Gather) {
using Vector_t = typename TestFixture::Vector_t;
using Scalar_t = typename TestFixture::Scalar_t;
using Index_v = typename vecCore::Index<Vector_t>;
using Index_t = typename vecCore::Scalar<Index_v>;
constexpr size_t N = vecCore::VectorSize<Vector_t>();
Scalar_t input[N * N];
for (size_t i = 0; i < N * N; ++i) {
input[i] = i;
}
Index_v idx;
for (size_t i = 0; i < N; ++i)
vecCore::Set(idx, i, Index_t(i));
for (size_t i = 1; i <= N; ++i) {
Index_v iidx = Index_v((Index_t)i) * idx;
Vector_t x = vecCore::Gather<Vector_t>(input, iidx);
for (size_t j = 0; j < N; ++j)
EXPECT_TRUE(vecCore::Get(x, j) == input[i * j]);
}
}
TYPED_TEST_P(VectorInterfaceTest, Scatter) {
using Vector_t = typename TestFixture::Vector_t;
using Scalar_t = typename TestFixture::Scalar_t;
using Index_v = typename vecCore::Index<Vector_t>;
using Index_t = typename vecCore::Scalar<Index_v>;
constexpr size_t N = vecCore::VectorSize<Vector_t>();
Index_t index[N];
Scalar_t input[N], output[N];
for (size_t i = 0; i < N; ++i) {
input[i] = i;
index[i] = i;
}
Index_v idx(vecCore::Load<Index_v>(&index[0]));
Vector_t x = vecCore::Load<Vector_t>(&input[0]);
vecCore::Scatter<Vector_t>(x, &output[0], idx);
Vector_t y = vecCore::Load<Vector_t>(&output[0]);
EXPECT_TRUE(vecCore::MaskFull(x == y));
}
REGISTER_TYPED_TEST_SUITE_P(VectorInterfaceTest, EarlyReturnMaxLength,
VectorSize, VectorSizeVariable, VectorLaneRead,
VectorLaneWrite, MaskLaneRead, MaskLaneWrite,
LoadStore, StoreToPtr, StoreMaskToPtr, ReduceAdd,
ReduceMinMax, Convert, Gather, Scatter);
#define TEST_BACKEND_P(name, x) \
INSTANTIATE_TYPED_TEST_SUITE_P(name, VectorInterfaceTest, \
VectorTypes<vecCore::backend::x>)
#define TEST_BACKEND(x) TEST_BACKEND_P(x, x)
#include "backends.h"
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