diff options
Diffstat (limited to 'unsupported/test/cxx11_tensor_executor.cpp')
-rw-r--r-- | unsupported/test/cxx11_tensor_executor.cpp | 50 |
1 files changed, 49 insertions, 1 deletions
diff --git a/unsupported/test/cxx11_tensor_executor.cpp b/unsupported/test/cxx11_tensor_executor.cpp index 608306613..162dab7b8 100644 --- a/unsupported/test/cxx11_tensor_executor.cpp +++ b/unsupported/test/cxx11_tensor_executor.cpp @@ -484,6 +484,49 @@ static void test_execute_broadcasting_of_forced_eval(Device d) } } +template<typename T, int NumDims> +struct DummyGenerator { + EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE + T operator()(const array <Index, NumDims>& dims) const { + T result = static_cast<T>(0); + for (int i = 0; i < NumDims; ++i) { + result += static_cast<T>((i + 1) * dims[i]); + } + return result; + } +}; + +template <typename T, int NumDims, typename Device, bool Vectorizable, + bool Tileable, int Layout> +static void test_execute_generator_op(Device d) +{ + static constexpr int Options = 0 | Layout; + + auto dims = RandomDims<NumDims>(20, 30); + Tensor<T, NumDims, Options, Index> src(dims); + src.setRandom(); + + const auto expr = src.generate(DummyGenerator<T, NumDims>()); + + // We assume that generator on a default device is tested and correct, so + // we can rely on it to verify correctness of tensor executor and tiling. + Tensor<T, NumDims, Options, Index> golden; + golden = expr; + + // Now do the broadcasting using configured tensor executor. + Tensor<T, NumDims, Options, Index> dst(golden.dimensions()); + + using Assign = TensorAssignOp<decltype(dst), const decltype(expr)>; + using Executor = + internal::TensorExecutor<const Assign, Device, Vectorizable, Tileable>; + + Executor::run(Assign(dst, expr), d); + + for (Index i = 0; i < dst.dimensions().TotalSize(); ++i) { + VERIFY_IS_EQUAL(dst.coeff(i), golden.coeff(i)); + } +} + #define CALL_SUBTEST_PART(PART) \ CALL_SUBTEST_##PART @@ -565,8 +608,13 @@ EIGEN_DECLARE_TEST(cxx11_tensor_executor) { CALL_SUBTEST_COMBINATIONS(12, test_execute_broadcasting_of_forced_eval, float, 4); CALL_SUBTEST_COMBINATIONS(12, test_execute_broadcasting_of_forced_eval, float, 5); + CALL_SUBTEST_COMBINATIONS(13, test_execute_generator_op, float, 2); + CALL_SUBTEST_COMBINATIONS(13, test_execute_generator_op, float, 3); + CALL_SUBTEST_COMBINATIONS(13, test_execute_generator_op, float, 4); + CALL_SUBTEST_COMBINATIONS(13, test_execute_generator_op, float, 5); + // Force CMake to split this test. - // EIGEN_SUFFIXES;1;2;3;4;5;6;7;8;9;10;11;12 + // EIGEN_SUFFIXES;1;2;3;4;5;6;7;8;9;10;11;12;13 } #undef CALL_SUBTEST_COMBINATIONS |