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Block evaluation for TensorGeneratorOp

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This commit is contained in:
Eugene Zhulenev
2019-03-05 16:35:21 -08:00
parent a407e022e6
commit 5d9a6686ed
3 changed files with 128 additions and 13 deletions
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50
unsupported/test/cxx11_tensor_executor.cpp
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@@ -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