1// This file is part of Eigen, a lightweight C++ template library 2// for linear algebra. 3// 4// Copyright (C) 2008-2010 Gael Guennebaud <gael.guennebaud@inria.fr> 5// Copyright (C) 2006-2008 Benoit Jacob <jacob.benoit.1@gmail.com> 6// 7// This Source Code Form is subject to the terms of the Mozilla 8// Public License v. 2.0. If a copy of the MPL was not distributed 9// with this file, You can obtain one at http://mozilla.org/MPL/2.0/. 10 11 12/* All the parameters defined in this file can be specialized in the 13 * architecture specific files, and/or by the user. 14 * More to come... */ 15 16#ifndef EIGEN_DEFAULT_SETTINGS_H 17#define EIGEN_DEFAULT_SETTINGS_H 18 19/** Defines the maximal loop size to enable meta unrolling of loops. 20 * Note that the value here is expressed in Eigen's own notion of "number of FLOPS", 21 * it does not correspond to the number of iterations or the number of instructions 22 */ 23#ifndef EIGEN_UNROLLING_LIMIT 24#define EIGEN_UNROLLING_LIMIT 100 25#endif 26 27/** Defines the threshold between a "small" and a "large" matrix. 28 * This threshold is mainly used to select the proper product implementation. 29 */ 30#ifndef EIGEN_CACHEFRIENDLY_PRODUCT_THRESHOLD 31#define EIGEN_CACHEFRIENDLY_PRODUCT_THRESHOLD 8 32#endif 33 34/** Defines the maximal width of the blocks used in the triangular product and solver 35 * for vectors (level 2 blas xTRMV and xTRSV). The default is 8. 36 */ 37#ifndef EIGEN_TUNE_TRIANGULAR_PANEL_WIDTH 38#define EIGEN_TUNE_TRIANGULAR_PANEL_WIDTH 8 39#endif 40 41 42/** Defines the default number of registers available for that architecture. 43 * Currently it must be 8 or 16. Other values will fail. 44 */ 45#ifndef EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS 46#define EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS 8 47#endif 48 49#endif // EIGEN_DEFAULT_SETTINGS_H 50