1c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath// This file is part of Eigen, a lightweight C++ template library 2c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath// for linear algebra. 3c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath// 4c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath// Copyright (C) 2008-2010 Gael Guennebaud <gael.guennebaud@inria.fr> 5c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath// Copyright (C) 2006-2008 Benoit Jacob <jacob.benoit.1@gmail.com> 6c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath// 7c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath// This Source Code Form is subject to the terms of the Mozilla 8c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath// Public License v. 2.0. If a copy of the MPL was not distributed 9c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath// with this file, You can obtain one at http://mozilla.org/MPL/2.0/. 10c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 11c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 12c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath/* All the parameters defined in this file can be specialized in the 13c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath * architecture specific files, and/or by the user. 14c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath * More to come... */ 15c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 16c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath#ifndef EIGEN_DEFAULT_SETTINGS_H 17c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath#define EIGEN_DEFAULT_SETTINGS_H 18c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 19c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath/** Defines the maximal loop size to enable meta unrolling of loops. 20c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath * Note that the value here is expressed in Eigen's own notion of "number of FLOPS", 21c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath * it does not correspond to the number of iterations or the number of instructions 22c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath */ 23c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath#ifndef EIGEN_UNROLLING_LIMIT 24c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath#define EIGEN_UNROLLING_LIMIT 100 25c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath#endif 26c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 27c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath/** Defines the threshold between a "small" and a "large" matrix. 28c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath * This threshold is mainly used to select the proper product implementation. 29c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath */ 30c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath#ifndef EIGEN_CACHEFRIENDLY_PRODUCT_THRESHOLD 31c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath#define EIGEN_CACHEFRIENDLY_PRODUCT_THRESHOLD 8 32c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath#endif 33c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 34c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath/** Defines the maximal width of the blocks used in the triangular product and solver 35c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath * for vectors (level 2 blas xTRMV and xTRSV). The default is 8. 36c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath */ 37c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath#ifndef EIGEN_TUNE_TRIANGULAR_PANEL_WIDTH 38c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath#define EIGEN_TUNE_TRIANGULAR_PANEL_WIDTH 8 39c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath#endif 40c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 41c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 42c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath/** Defines the default number of registers available for that architecture. 43c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath * Currently it must be 8 or 16. Other values will fail. 44c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath */ 45c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath#ifndef EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS 46c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath#define EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS 8 47c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath#endif 48c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 49c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath#endif // EIGEN_DEFAULT_SETTINGS_H 50