diff options
Diffstat (limited to 'third_party/highway/hwy/tests/interleaved_test.cc')
-rw-r--r-- | third_party/highway/hwy/tests/interleaved_test.cc | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/third_party/highway/hwy/tests/interleaved_test.cc b/third_party/highway/hwy/tests/interleaved_test.cc new file mode 100644 index 0000000000..4881c5cf8a --- /dev/null +++ b/third_party/highway/hwy/tests/interleaved_test.cc @@ -0,0 +1,228 @@ +// Copyright 2019 Google LLC +// SPDX-License-Identifier: Apache-2.0 +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +#include <stdio.h> + +#undef HWY_TARGET_INCLUDE +#define HWY_TARGET_INCLUDE "tests/interleaved_test.cc" +#include "hwy/foreach_target.h" // IWYU pragma: keep +#include "hwy/highway.h" +#include "hwy/tests/test_util-inl.h" + +HWY_BEFORE_NAMESPACE(); +namespace hwy { +namespace HWY_NAMESPACE { + +struct TestLoadStoreInterleaved2 { + template <class T, class D> + HWY_NOINLINE void operator()(T /*unused*/, D d) { + const size_t N = Lanes(d); + + RandomState rng; + auto bytes = AllocateAligned<T>(2 * N); + // Interleave here, ensure vector results match scalar + auto expected = AllocateAligned<T>(3 * N); + // Ensure unaligned; 2 stored vectors, one zero vector. + auto actual_aligned = AllocateAligned<T>(3 * N + 1); + HWY_ASSERT(bytes && expected && actual_aligned); + + // Data to be interleaved + for (size_t i = 0; i < 2 * N; ++i) { + bytes[i] = static_cast<T>(Random32(&rng) & 0xFF); + } + const auto in0 = Load(d, &bytes[0 * N]); + const auto in1 = Load(d, &bytes[1 * N]); + + T* actual = actual_aligned.get() + 1; + + for (size_t rep = 0; rep < 100; ++rep) { + for (size_t i = 0; i < N; ++i) { + expected[2 * i + 0] = bytes[0 * N + i]; + expected[2 * i + 1] = bytes[1 * N + i]; + // Ensure we do not write more than 2*N bytes. + expected[2 * N + i] = actual[2 * N + i] = 0; + } + StoreInterleaved2(in0, in1, d, actual); + size_t pos = 0; + if (!BytesEqual(expected.get(), actual, 3 * N * sizeof(T), &pos)) { + Print(d, "in0", in0, 0, N); + Print(d, "in1", in1, 0, N); + Print(d, "stored0", LoadU(d, actual + 0), 0, N); + Print(d, "stored1", LoadU(d, actual + N), 0, N); + fprintf(stderr, "Mismatch at pos %d\n", static_cast<int>(pos)); + HWY_ASSERT(false); + } + + Vec<D> out0, out1; + LoadInterleaved2(d, actual, out0, out1); + HWY_ASSERT_VEC_EQ(d, in0, out0); + HWY_ASSERT_VEC_EQ(d, in1, out1); + } + } +}; + +HWY_NOINLINE void TestAllLoadStoreInterleaved2() { + ForAllTypes(ForMaxPow2<TestLoadStoreInterleaved2>()); +} + +// Workaround for build timeout on GCC 12 aarch64, see #776. +// TODO(janwas): fixed in 2023-02, re-enable after next GCC release. +#if HWY_COMPILER_GCC_ACTUAL && HWY_ARCH_ARM_A64 +#define HWY_BROKEN_LOAD34 1 +#else +#define HWY_BROKEN_LOAD34 0 +#endif + +#if !HWY_BROKEN_LOAD34 + +struct TestLoadStoreInterleaved3 { + template <class T, class D> + HWY_NOINLINE void operator()(T /*unused*/, D d) { + const size_t N = Lanes(d); + + RandomState rng; + auto bytes = AllocateAligned<T>(3 * N); + // Interleave here, ensure vector results match scalar + auto expected = AllocateAligned<T>(4 * N); + // Ensure unaligned; 3 stored vectors, one zero vector. + auto actual_aligned = AllocateAligned<T>(4 * N + 1); + HWY_ASSERT(bytes && expected && actual_aligned); + + // Data to be interleaved + for (size_t i = 0; i < 3 * N; ++i) { + bytes[i] = static_cast<T>(Random32(&rng) & 0xFF); + } + const auto in0 = Load(d, &bytes[0 * N]); + const auto in1 = Load(d, &bytes[1 * N]); + const auto in2 = Load(d, &bytes[2 * N]); + + T* actual = actual_aligned.get() + 1; + + for (size_t rep = 0; rep < 100; ++rep) { + for (size_t i = 0; i < N; ++i) { + expected[3 * i + 0] = bytes[0 * N + i]; + expected[3 * i + 1] = bytes[1 * N + i]; + expected[3 * i + 2] = bytes[2 * N + i]; + // Ensure we do not write more than 3*N bytes. + expected[3 * N + i] = actual[3 * N + i] = 0; + } + StoreInterleaved3(in0, in1, in2, d, actual); + size_t pos = 0; + if (!BytesEqual(expected.get(), actual, 4 * N * sizeof(T), &pos)) { + Print(d, "in0", in0, 0, N); + Print(d, "in1", in1, 0, N); + Print(d, "in2", in2, 0, N); + Print(d, "stored0", LoadU(d, actual + 0 * N), 0, N); + Print(d, "stored1", LoadU(d, actual + 1 * N), 0, N); + Print(d, "stored2", LoadU(d, actual + 2 * N), 0, N); + fprintf(stderr, "Mismatch at pos %d\n", static_cast<int>(pos)); + HWY_ASSERT(false); + } + + Vec<D> out0, out1, out2; + LoadInterleaved3(d, actual, out0, out1, out2); + HWY_ASSERT_VEC_EQ(d, in0, out0); + HWY_ASSERT_VEC_EQ(d, in1, out1); + HWY_ASSERT_VEC_EQ(d, in2, out2); + } + } +}; + +HWY_NOINLINE void TestAllLoadStoreInterleaved3() { + ForAllTypes(ForMaxPow2<TestLoadStoreInterleaved3>()); +} + +struct TestLoadStoreInterleaved4 { + template <class T, class D> + HWY_NOINLINE void operator()(T /*unused*/, D d) { + const size_t N = Lanes(d); + + RandomState rng; + + // Data to be interleaved + auto bytes = AllocateAligned<T>(4 * N); + // Interleave here, ensure vector results match scalar + auto expected = AllocateAligned<T>(5 * N); + // Ensure unaligned; 4 stored vectors, one zero vector. + auto actual_aligned = AllocateAligned<T>(5 * N + 1); + HWY_ASSERT(bytes && expected && actual_aligned); + + for (size_t i = 0; i < 4 * N; ++i) { + bytes[i] = static_cast<T>(Random32(&rng) & 0xFF); + } + const auto in0 = Load(d, &bytes[0 * N]); + const auto in1 = Load(d, &bytes[1 * N]); + const auto in2 = Load(d, &bytes[2 * N]); + const auto in3 = Load(d, &bytes[3 * N]); + + T* actual = actual_aligned.get() + 1; + + for (size_t rep = 0; rep < 100; ++rep) { + for (size_t i = 0; i < N; ++i) { + expected[4 * i + 0] = bytes[0 * N + i]; + expected[4 * i + 1] = bytes[1 * N + i]; + expected[4 * i + 2] = bytes[2 * N + i]; + expected[4 * i + 3] = bytes[3 * N + i]; + // Ensure we do not write more than 4*N bytes. + expected[4 * N + i] = actual[4 * N + i] = 0; + } + StoreInterleaved4(in0, in1, in2, in3, d, actual); + size_t pos = 0; + if (!BytesEqual(expected.get(), actual, 5 * N * sizeof(T), &pos)) { + Print(d, "in0", in0, 0, N); + Print(d, "in1", in1, 0, N); + Print(d, "in2", in2, 0, N); + Print(d, "in3", in3, 0, N); + Print(d, "stored0", LoadU(d, actual + 0 * N), 0, N); + Print(d, "stored1", LoadU(d, actual + 1 * N), 0, N); + Print(d, "stored2", LoadU(d, actual + 2 * N), 0, N); + Print(d, "stored3", LoadU(d, actual + 3 * N), 0, N); + fprintf(stderr, "Mismatch at pos %d\n", static_cast<int>(pos)); + HWY_ASSERT(false); + } + + Vec<D> out0, out1, out2, out3; + LoadInterleaved4(d, actual, out0, out1, out2, out3); + HWY_ASSERT_VEC_EQ(d, in0, out0); + HWY_ASSERT_VEC_EQ(d, in1, out1); + HWY_ASSERT_VEC_EQ(d, in2, out2); + HWY_ASSERT_VEC_EQ(d, in3, out3); + } + } +}; + +HWY_NOINLINE void TestAllLoadStoreInterleaved4() { + ForAllTypes(ForMaxPow2<TestLoadStoreInterleaved4>()); +} + +#endif // !HWY_BROKEN_LOAD34 + +// NOLINTNEXTLINE(google-readability-namespace-comments) +} // namespace HWY_NAMESPACE +} // namespace hwy +HWY_AFTER_NAMESPACE(); + +#if HWY_ONCE + +namespace hwy { +HWY_BEFORE_TEST(HwyInterleavedTest); +HWY_EXPORT_AND_TEST_P(HwyInterleavedTest, TestAllLoadStoreInterleaved2); +#if !HWY_BROKEN_LOAD34 +HWY_EXPORT_AND_TEST_P(HwyInterleavedTest, TestAllLoadStoreInterleaved3); +HWY_EXPORT_AND_TEST_P(HwyInterleavedTest, TestAllLoadStoreInterleaved4); +#endif +} // namespace hwy + +#endif |