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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