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add a small program to bench all combinations of small products

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This commit is contained in:
Gael Guennebaud
2010-03-05 17:16:19 +01:00
parent c442208358
commit f2a246c225
2 changed files with 166 additions and 23 deletions
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46
Eigen/src/Core/Product.h
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@@ -84,28 +84,28 @@ public:
* based on the three dimensions of the product.
* This is a compile time mapping from {1,Small,Large}^3 -> {product types} */
// FIXME I'm not sure the current mapping is the ideal one.
template<int Rows, int Cols> struct ei_product_type_selector<Rows, Cols, 1> { enum { ret = OuterProduct }; };
template<int Depth> struct ei_product_type_selector<1, 1, Depth> { enum { ret = InnerProduct }; };
template<> struct ei_product_type_selector<1, 1, 1> { enum { ret = InnerProduct }; };
template<> struct ei_product_type_selector<Small,1, Small> { enum { ret = CoeffBasedProductMode }; };
template<> struct ei_product_type_selector<1, Small,Small> { enum { ret = CoeffBasedProductMode }; };
template<> struct ei_product_type_selector<Small,Small,Small> { enum { ret = CoeffBasedProductMode }; };
template<> struct ei_product_type_selector<Small, Small, 1> { enum { ret = LazyCoeffBasedProductMode }; };
template<> struct ei_product_type_selector<Small, Large, 1> { enum { ret = LazyCoeffBasedProductMode }; };
template<> struct ei_product_type_selector<Large, Small, 1> { enum { ret = LazyCoeffBasedProductMode }; };
template<> struct ei_product_type_selector<1, Large,Small> { enum { ret = CoeffBasedProductMode }; };
template<> struct ei_product_type_selector<1, Large,Large> { enum { ret = GemvProduct }; };
template<> struct ei_product_type_selector<1, Small,Large> { enum { ret = CoeffBasedProductMode }; };
template<> struct ei_product_type_selector<Large,1, Small> { enum { ret = CoeffBasedProductMode }; };
template<> struct ei_product_type_selector<Large,1, Large> { enum { ret = GemvProduct }; };
template<> struct ei_product_type_selector<Small,1, Large> { enum { ret = CoeffBasedProductMode }; };
template<> struct ei_product_type_selector<Small,Small,Large> { enum { ret = GemmProduct }; };
template<> struct ei_product_type_selector<Large,Small,Large> { enum { ret = GemmProduct }; };
template<> struct ei_product_type_selector<Small,Large,Large> { enum { ret = GemmProduct }; };
template<> struct ei_product_type_selector<Large,Large,Large> { enum { ret = GemmProduct }; };
template<> struct ei_product_type_selector<Large,Small,Small> { enum { ret = GemmProduct }; };
template<> struct ei_product_type_selector<Small,Large,Small> { enum { ret = GemmProduct }; };
template<> struct ei_product_type_selector<Large,Large,Small> { enum { ret = GemmProduct }; };
template<> struct ei_product_type_selector<Large,Large,1> { enum { ret = OuterProduct }; };
template<int Depth> struct ei_product_type_selector<1, 1, Depth> { enum { ret = InnerProduct }; };
template<> struct ei_product_type_selector<1, 1, 1> { enum { ret = InnerProduct }; };
template<> struct ei_product_type_selector<Small,1, Small> { enum { ret = CoeffBasedProductMode }; };
template<> struct ei_product_type_selector<1, Small,Small> { enum { ret = CoeffBasedProductMode }; };
template<> struct ei_product_type_selector<Small,Small,Small> { enum { ret = CoeffBasedProductMode }; };
template<> struct ei_product_type_selector<Small, Small, 1> { enum { ret = LazyCoeffBasedProductMode }; };
template<> struct ei_product_type_selector<Small, Large, 1> { enum { ret = LazyCoeffBasedProductMode }; };
template<> struct ei_product_type_selector<Large, Small, 1> { enum { ret = LazyCoeffBasedProductMode }; };
template<> struct ei_product_type_selector<1, Large,Small> { enum { ret = CoeffBasedProductMode }; };
template<> struct ei_product_type_selector<1, Large,Large> { enum { ret = GemvProduct }; };
template<> struct ei_product_type_selector<1, Small,Large> { enum { ret = CoeffBasedProductMode }; };
template<> struct ei_product_type_selector<Large,1, Small> { enum { ret = CoeffBasedProductMode }; };
template<> struct ei_product_type_selector<Large,1, Large> { enum { ret = GemvProduct }; };
template<> struct ei_product_type_selector<Small,1, Large> { enum { ret = CoeffBasedProductMode }; };
template<> struct ei_product_type_selector<Small,Small,Large> { enum { ret = GemmProduct }; };
template<> struct ei_product_type_selector<Large,Small,Large> { enum { ret = GemmProduct }; };
template<> struct ei_product_type_selector<Small,Large,Large> { enum { ret = GemmProduct }; };
template<> struct ei_product_type_selector<Large,Large,Large> { enum { ret = GemmProduct }; };
template<> struct ei_product_type_selector<Large,Small,Small> { enum { ret = GemmProduct }; };
template<> struct ei_product_type_selector<Small,Large,Small> { enum { ret = GemmProduct }; };
template<> struct ei_product_type_selector<Large,Large,Small> { enum { ret = GemmProduct }; };
/** \class ProductReturnType
*
@@ -298,7 +298,7 @@ struct ei_gemv_selector<OnTheLeft,StorageOrder,BlasCompatible>
{
Transpose<Dest> destT(dest);
ei_gemv_selector<OnTheRight,!StorageOrder,BlasCompatible>
::run(GeneralProduct<Transpose<typename ProductType::_RhsNested>,Transpose<typename ProductType::_LhsNested> >
::run(GeneralProduct<Transpose<typename ProductType::_RhsNested>,Transpose<typename ProductType::_LhsNested>, GemvProduct>
(prod.rhs().transpose(), prod.lhs().transpose()), destT, alpha);
}
};