memory-config.hpp
Go to the documentation of this file.00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */ 00002 /* 00003 * Main authors: 00004 * Christian Schulte <schulte@gecode.org> 00005 * 00006 * Copyright: 00007 * Christian Schulte, 2008 00008 * 00009 * Last modified: 00010 * $Date: 2009-04-15 16:00:39 +0200 (Wed, 15 Apr 2009) $ by $Author: schulte $ 00011 * $Revision: 8706 $ 00012 * 00013 * This file is part of Gecode, the generic constraint 00014 * development environment: 00015 * http://www.gecode.org 00016 * 00017 * Permission is hereby granted, free of charge, to any person obtaining 00018 * a copy of this software and associated documentation files (the 00019 * "Software"), to deal in the Software without restriction, including 00020 * without limitation the rights to use, copy, modify, merge, publish, 00021 * distribute, sublicense, and/or sell copies of the Software, and to 00022 * permit persons to whom the Software is furnished to do so, subject to 00023 * the following conditions: 00024 * 00025 * The above copyright notice and this permission notice shall be 00026 * included in all copies or substantial portions of the Software. 00027 * 00028 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 00029 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 00030 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 00031 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 00032 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 00033 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 00034 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 00035 * 00036 */ 00037 00038 namespace Gecode { 00039 00044 namespace MemoryConfig { 00048 const unsigned int n_hc_cache = 4*4; 00049 00053 const size_t hcsz_min = 2 * 1024; 00061 const size_t hcsz_max = 64 * 1024; 00068 const int hcsz_inc_ratio = 8; 00078 const int hcsz_dec_ratio = 2; 00079 00091 const int fl_unit_size = ((sizeof(void*) == 4) ? 2 : 3); 00100 const int fl_size_min = ((sizeof(void*) == 4) ? 2 : 2); 00109 const int fl_size_max = ((sizeof(void*) == 4) ? 3 : 3); 00117 const int fl_refill = 8; 00125 #ifndef GECODE_MEMORY_ALIGNMENT 00126 #define GECODE_MEMORY_ALIGNMENT 8 00127 #endif 00128 00135 const size_t region_area_size = 32 * 1024; 00136 00138 void align(size_t& s); 00139 00140 /* 00141 * Alignment 00142 * 00143 */ 00144 forceinline void 00145 align(size_t& s) { 00146 s += ((GECODE_MEMORY_ALIGNMENT - 00147 (s & (GECODE_MEMORY_ALIGNMENT - 1))) & 00148 (GECODE_MEMORY_ALIGNMENT - 1)); 00149 } 00150 00151 } 00152 } 00153 00154 // STATISTICS: kernel-core