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