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 Gael Guennebaud <gael.guennebaud@inria.fr> 5c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath// 6c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath// This Source Code Form is subject to the terms of the Mozilla 7c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath// Public License v. 2.0. If a copy of the MPL was not distributed 8c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath// with this file, You can obtain one at http://mozilla.org/MPL/2.0/. 9c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 10c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath#include "main.h" 11c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 12c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath#if EIGEN_ALIGN 13c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath#define ALIGNMENT 16 14c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath#else 15c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath#define ALIGNMENT 1 16c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath#endif 17c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 18c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamathvoid check_handmade_aligned_malloc() 19c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath{ 20c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath for(int i = 1; i < 1000; i++) 21c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath { 22c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath char *p = (char*)internal::handmade_aligned_malloc(i); 23c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath VERIFY(size_t(p)%ALIGNMENT==0); 24c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath // if the buffer is wrongly allocated this will give a bad write --> check with valgrind 25c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath for(int j = 0; j < i; j++) p[j]=0; 26c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath internal::handmade_aligned_free(p); 27c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath } 28c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath} 29c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 30c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamathvoid check_aligned_malloc() 31c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath{ 32c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath for(int i = 1; i < 1000; i++) 33c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath { 34c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath char *p = (char*)internal::aligned_malloc(i); 35c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath VERIFY(size_t(p)%ALIGNMENT==0); 36c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath // if the buffer is wrongly allocated this will give a bad write --> check with valgrind 37c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath for(int j = 0; j < i; j++) p[j]=0; 38c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath internal::aligned_free(p); 39c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath } 40c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath} 41c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 42c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamathvoid check_aligned_new() 43c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath{ 44c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath for(int i = 1; i < 1000; i++) 45c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath { 46c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath float *p = internal::aligned_new<float>(i); 47c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath VERIFY(size_t(p)%ALIGNMENT==0); 48c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath // if the buffer is wrongly allocated this will give a bad write --> check with valgrind 49c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath for(int j = 0; j < i; j++) p[j]=0; 50c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath internal::aligned_delete(p,i); 51c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath } 52c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath} 53c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 54c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamathvoid check_aligned_stack_alloc() 55c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath{ 567faaa9f3f0df9d23790277834d426c3d992ac3baCarlos Hernandez for(int i = 1; i < 400; i++) 57c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath { 58c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath ei_declare_aligned_stack_constructed_variable(float,p,i,0); 59c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath VERIFY(size_t(p)%ALIGNMENT==0); 60c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath // if the buffer is wrongly allocated this will give a bad write --> check with valgrind 61c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath for(int j = 0; j < i; j++) p[j]=0; 62c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath } 63c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath} 64c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 65c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 66c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath// test compilation with both a struct and a class... 67c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamathstruct MyStruct 68c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath{ 69c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath EIGEN_MAKE_ALIGNED_OPERATOR_NEW 70c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath char dummychar; 71c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath Vector4f avec; 72c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath}; 73c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 74c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamathclass MyClassA 75c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath{ 76c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath public: 77c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath EIGEN_MAKE_ALIGNED_OPERATOR_NEW 78c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath char dummychar; 79c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath Vector4f avec; 80c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath}; 81c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 82c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamathtemplate<typename T> void check_dynaligned() 83c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath{ 84c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath T* obj = new T; 857faaa9f3f0df9d23790277834d426c3d992ac3baCarlos Hernandez VERIFY(T::NeedsToAlign==1); 86c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath VERIFY(size_t(obj)%ALIGNMENT==0); 87c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath delete obj; 88c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath} 89c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 90c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamathvoid test_dynalloc() 91c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath{ 92c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath // low level dynamic memory allocation 93c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath CALL_SUBTEST(check_handmade_aligned_malloc()); 94c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath CALL_SUBTEST(check_aligned_malloc()); 95c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath CALL_SUBTEST(check_aligned_new()); 96c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath CALL_SUBTEST(check_aligned_stack_alloc()); 97c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 98c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath for (int i=0; i<g_repeat*100; ++i) 99c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath { 100c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath CALL_SUBTEST(check_dynaligned<Vector4f>() ); 101c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath CALL_SUBTEST(check_dynaligned<Vector2d>() ); 102c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath CALL_SUBTEST(check_dynaligned<Matrix4f>() ); 103c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath CALL_SUBTEST(check_dynaligned<Vector4d>() ); 104c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath CALL_SUBTEST(check_dynaligned<Vector4i>() ); 105c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath } 106c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 107c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath // check static allocation, who knows ? 108c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath #if EIGEN_ALIGN_STATICALLY 109c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath { 110c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath MyStruct foo0; VERIFY(size_t(foo0.avec.data())%ALIGNMENT==0); 111c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath MyClassA fooA; VERIFY(size_t(fooA.avec.data())%ALIGNMENT==0); 112c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath } 113c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 114c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath // dynamic allocation, single object 115c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath for (int i=0; i<g_repeat*100; ++i) 116c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath { 117c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath MyStruct *foo0 = new MyStruct(); VERIFY(size_t(foo0->avec.data())%ALIGNMENT==0); 118c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath MyClassA *fooA = new MyClassA(); VERIFY(size_t(fooA->avec.data())%ALIGNMENT==0); 119c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath delete foo0; 120c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath delete fooA; 121c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath } 122c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 123c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath // dynamic allocation, array 124c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath const int N = 10; 125c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath for (int i=0; i<g_repeat*100; ++i) 126c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath { 127c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath MyStruct *foo0 = new MyStruct[N]; VERIFY(size_t(foo0->avec.data())%ALIGNMENT==0); 128c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath MyClassA *fooA = new MyClassA[N]; VERIFY(size_t(fooA->avec.data())%ALIGNMENT==0); 129c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath delete[] foo0; 130c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath delete[] fooA; 131c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath } 132c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath #endif 133c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 134c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath} 135