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