1 | |
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2 | // OpenHMPP ANUGA grvity function |
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3 | // |
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4 | // Zhe Weng 2013 |
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5 | |
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6 | //#define ISOLATING_TEST |
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7 | |
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8 | #ifndef ISOLATING_TEST |
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9 | #include "hmpp_fun.h" |
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10 | #else // ISOLATING_TEST |
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11 | #define DATA_TYPE double |
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12 | #define TOLERANCE 1e-11 |
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13 | #ifdef USING_CPP |
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14 | #include <iostream> |
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15 | #include <cstdio> |
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16 | #include <cstdlib> |
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17 | #include <cmath> |
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18 | using namespace std; |
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19 | |
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20 | #else // USING_CPP |
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21 | #include <stdio.h> |
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22 | #include <math.h> |
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23 | #include <stdlib.h> |
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24 | #endif |
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25 | |
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26 | int errs_x =0, errs_y =0; |
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27 | #endif |
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28 | |
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29 | |
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30 | int check_tolerance( DATA_TYPE a, DATA_TYPE b) |
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31 | { |
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32 | if (fabs(a) <= 0 && fabs(a-b) > TOLERANCE) |
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33 | return 1; |
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34 | else if(fabs(a) < 10 && fabs(a-b) > TOLERANCE*10) |
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35 | return 1; |
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36 | else if(fabs(a) < 100 && fabs(a-b) > TOLERANCE*100) |
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37 | return 1; |
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38 | else if(fabs(a) < 1000 && fabs(a-b) > TOLERANCE*1000) |
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39 | return 1; |
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40 | else if(fabs(a) < 10000 && fabs(a-b) > TOLERANCE*10000) |
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41 | return 1; |
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42 | else return 0; |
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43 | } |
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44 | |
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45 | |
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46 | #ifdef USING_LOCAL_DIRECTIVES |
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47 | #pragma hmpp gravity codelet, target=CUDA args[*].transfer=atcall |
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48 | #endif |
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49 | void gravity_wb( |
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50 | int n, int n3, int n6, |
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51 | DATA_TYPE xmom_explicit_update[n], |
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52 | DATA_TYPE ymom_explicit_update[n], |
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53 | |
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54 | DATA_TYPE stage_vertex_values[n3], |
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55 | DATA_TYPE stage_edge_values[n3], |
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56 | DATA_TYPE stage_centroid_values[n], |
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57 | |
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58 | DATA_TYPE bed_edge_values[n3], |
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59 | DATA_TYPE bed_centroid_values[n], |
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60 | |
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61 | DATA_TYPE vertex_coordinates[n6], |
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62 | |
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63 | DATA_TYPE normals[n6], |
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64 | DATA_TYPE areas[n], |
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65 | DATA_TYPE edgelengths[n3], |
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66 | |
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67 | DATA_TYPE g ) |
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68 | { |
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69 | int k; |
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70 | int k3, k6; |
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71 | double w0, w1, w2, |
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72 | x0, y0, x1, y1, x2, y2, |
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73 | avg_h; |
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74 | |
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75 | double wx, wy, det, hh0, hh1,hh2; |
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76 | double sidex_0, sidex_1, sidex_2; |
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77 | double sidey_0, sidey_1, sidey_2; |
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78 | double area; |
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79 | |
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80 | |
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81 | |
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82 | for( k = 0; k < n; ++k ){ |
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83 | |
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84 | k3 = k*3; |
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85 | w0 = stage_vertex_values[k3]; |
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86 | w1 = stage_vertex_values[k3 + 1]; |
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87 | w2 = stage_vertex_values[k3 + 2]; |
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88 | |
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89 | k6 = k*6; |
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90 | x0 = vertex_coordinates[k6 + 0]; |
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91 | y0 = vertex_coordinates[k6 + 1]; |
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92 | x1 = vertex_coordinates[k6 + 2]; |
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93 | y1 = vertex_coordinates[k6 + 3]; |
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94 | x2 = vertex_coordinates[k6 + 4]; |
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95 | y2 = vertex_coordinates[k6 + 5]; |
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96 | |
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97 | |
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98 | det = (y2 - y0)*(x1 - x0) - (y1 - y0)*(x2 - x0); |
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99 | |
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100 | wx = (y2 -y0)*(w1 - w0) - (y1 - y0)*(w2 -w0); |
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101 | wx /= det; |
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102 | |
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103 | wy = (x1 - x0)*(w2 - w0) - (x2 - x0)*(w1 -w0); |
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104 | wy /= det; |
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105 | |
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106 | avg_h = stage_centroid_values[k] - bed_centroid_values[k]; |
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107 | |
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108 | xmom_explicit_update[k] += -g * wx * avg_h; |
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109 | ymom_explicit_update[k] += -g * wy * avg_h; |
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110 | |
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111 | |
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112 | |
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113 | |
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114 | hh0 = stage_edge_values[k3] - bed_edge_values[k3]; |
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115 | hh1 = stage_edge_values[k3+1] - bed_edge_values[k3+1]; |
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116 | hh2 = stage_edge_values[k3+2] - bed_edge_values[k3+2]; |
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117 | |
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118 | area = areas[k]; |
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119 | |
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120 | sidex_0 = hh0*hh0*edgelengths[k3] * normals[k6]; |
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121 | sidex_1 = hh1*hh1*edgelengths[k3+1] * normals[k6+2]; |
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122 | sidex_2 = hh2*hh2*edgelengths[k3+2] * normals[k6+4]; |
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123 | xmom_explicit_update[k] += 0.5*g*(sidex_0 + sidex_1 + sidex_2)/area; |
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124 | |
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125 | |
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126 | sidey_0 = hh0*hh0*edgelengths[k3] * normals[k6+1]; |
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127 | sidey_1 = hh1*hh1*edgelengths[k3+1] * normals[k6+3]; |
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128 | sidey_2 = hh2*hh2*edgelengths[k3+2] * normals[k6+5]; |
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129 | ymom_explicit_update[k] += 0.5*g*(sidey_0 + sidey_1 + sidey_2)/area; |
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130 | } |
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131 | } |
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132 | |
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133 | |
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134 | |
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135 | void gravity_wb_orig( |
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136 | DATA_TYPE * xmom_explicit_update, |
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137 | DATA_TYPE * ymom_explicit_update, |
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138 | DATA_TYPE * stage_vertex_values, |
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139 | DATA_TYPE * stage_edge_values, |
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140 | DATA_TYPE * stage_centroid_values, |
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141 | DATA_TYPE * bed_edge_values, |
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142 | DATA_TYPE * bed_centroid_values, |
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143 | DATA_TYPE * vertex_coordinates, |
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144 | DATA_TYPE * normals, |
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145 | DATA_TYPE * areas, |
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146 | DATA_TYPE * edgelengths, |
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147 | DATA_TYPE * test_xe, |
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148 | DATA_TYPE * test_ye, |
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149 | int N, |
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150 | DATA_TYPE g |
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151 | ) |
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152 | { |
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153 | int i, k, k3, k6; |
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154 | // For testing purpose |
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155 | int errs_x=0, errs_y=0; |
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156 | |
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157 | DATA_TYPE w0, w1, w2, |
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158 | x0, y0, x1, y1, x2, y2, |
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159 | avg_h; |
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160 | |
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161 | DATA_TYPE wx, wy, det, |
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162 | hh[3]; |
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163 | DATA_TYPE sidex, sidey, area, n0, n1, fact; |
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164 | |
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165 | for (k = 0; k < N; k++) |
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166 | { |
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167 | k3 = 3*k; |
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168 | w0 = stage_vertex_values[k3 + 0]; |
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169 | w1 = stage_vertex_values[k3 + 1]; |
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170 | w2 = stage_vertex_values[k3 + 2]; |
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171 | |
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172 | |
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173 | k6 = 6*k; |
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174 | x0 = vertex_coordinates[k6 + 0]; |
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175 | y0 = vertex_coordinates[k6 + 1]; |
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176 | x1 = vertex_coordinates[k6 + 2]; |
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177 | y1 = vertex_coordinates[k6 + 3]; |
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178 | x2 = vertex_coordinates[k6 + 4]; |
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179 | y2 = vertex_coordinates[k6 + 5]; |
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180 | |
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181 | |
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182 | //_gradient(x0, y0, x1, y1, x2, y2, w0, w1, w2, &wx, &wy); |
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183 | |
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184 | det = (y2 - y0)*(x1 - x0) - (y1 - y0)*(x2 - x0); |
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185 | |
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186 | wx = (y2 -y0)*(w1 - w0) - (y1 - y0)*(w2 -w0); |
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187 | wx /= det; |
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188 | |
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189 | wy = (x1 - x0)*(w2 - w0) - (x2 - x0)*(w1 -w0); |
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190 | wy /= det; |
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191 | |
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192 | |
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193 | avg_h = stage_centroid_values[k] - bed_centroid_values[k]; |
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194 | |
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195 | test_xe[k] += -g * wx * avg_h; |
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196 | test_ye[k] += -g * wy * avg_h; |
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197 | |
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198 | |
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199 | |
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200 | hh[0] = stage_edge_values[k3] - bed_edge_values[k3]; |
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201 | hh[1] = stage_edge_values[k3+1] - bed_edge_values[k3+1]; |
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202 | hh[2] = stage_edge_values[k3+2] - bed_edge_values[k3+2]; |
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203 | |
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204 | sidex = 0.0; |
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205 | sidey = 0.0; |
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206 | |
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207 | for ( i = 0 ; i < 3 ; i++ ) |
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208 | { |
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209 | n0 = normals[k6 + 2*i]; |
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210 | n1 = normals[k6 + 2*i + 1]; |
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211 | |
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212 | fact = -0.5 * g * hh[i] * hh[i] * edgelengths[k3 + i]; |
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213 | |
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214 | sidex += fact*n0; |
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215 | sidey += fact*n1; |
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216 | } |
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217 | |
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218 | area = areas[k]; |
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219 | test_xe[k] += -sidex / area; |
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220 | test_ye[k] += -sidey / area; |
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221 | |
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222 | // For testing purpose |
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223 | //test_xe[k] = hh[0]; |
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224 | //test_ye[k] = hh[2]; |
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225 | if ( check_tolerance(xmom_explicit_update[k], test_xe[k]) ) |
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226 | { |
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227 | errs_x += 1; |
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228 | if (errs_x <= 10) |
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229 | printf(" Errors on xe: %d %.9f %.9f\n", |
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230 | k, xmom_explicit_update[k], test_xe[k]); |
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231 | } |
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232 | if ( check_tolerance(ymom_explicit_update[k], test_ye[k]) ) |
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233 | { |
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234 | errs_y += 1; |
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235 | if (errs_y <= 10) |
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236 | printf(" Errors on ye: %d %f %f\n", |
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237 | k, ymom_explicit_update[k], test_ye[k]); |
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238 | } |
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239 | |
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240 | |
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241 | } |
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242 | } |
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243 | |
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244 | |
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245 | |
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246 | void gravity_call( |
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247 | int n, int n3, int n6, |
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248 | DATA_TYPE xmom_explicit_update[n], |
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249 | DATA_TYPE ymom_explicit_update[n], |
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250 | |
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251 | DATA_TYPE stage_vertex_values[n3], |
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252 | DATA_TYPE stage_edge_values[n3], |
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253 | DATA_TYPE stage_centroid_values[n], |
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254 | |
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255 | DATA_TYPE bed_edge_values[n3], |
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256 | DATA_TYPE bed_centroid_values[n], |
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257 | |
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258 | DATA_TYPE vertex_coordinates[n6], |
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259 | |
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260 | DATA_TYPE normals[n6], |
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261 | DATA_TYPE areas[n], |
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262 | DATA_TYPE edgelengths[n3], |
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263 | |
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264 | DATA_TYPE g ) |
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265 | { |
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266 | test_call(); |
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267 | /* |
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268 | #pragma hmpp gravity callsite |
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269 | gravity_wb( n, n3, n6, |
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270 | xmom_explicit_update, |
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271 | ymom_explicit_update, |
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272 | |
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273 | stage_vertex_values, |
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274 | stage_edge_values, |
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275 | stage_centroid_values, |
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276 | |
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277 | bed_edge_values, |
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278 | bed_centroid_values, |
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279 | |
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280 | vertex_coordinates, |
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281 | |
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282 | normals, |
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283 | areas, |
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284 | edgelengths, |
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285 | |
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286 | g); |
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287 | */ |
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288 | } |
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289 | |
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290 | |
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291 | |
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292 | #ifdef ISOLATING_TEST |
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293 | int main( int argc, char* argv[] ){ |
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294 | int n; /* vector length */ |
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295 | DATA_TYPE g = 9.8; |
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296 | int i; |
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297 | |
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298 | DATA_TYPE * xe, //xmom_explicit_update, |
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299 | * ye; //ymom_explicit_update; |
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300 | DATA_TYPE * test_xe, //xmom_explicit_update, |
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301 | * test_ye; //ymom_explicit_update; |
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302 | |
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303 | |
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304 | DATA_TYPE * sv, //stage_vertex_values, |
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305 | * se, //stage_edge_values, |
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306 | * sc; //stage_centroid_values; |
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307 | |
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308 | DATA_TYPE * be, //bed_edge_values, |
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309 | * bc; //bed_centroid_values; |
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310 | |
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311 | DATA_TYPE * vc, //vertex_coordinates, |
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312 | * normals, |
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313 | * a, //areas, |
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314 | * el; //edgelengths; |
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315 | |
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316 | char file_name[] = "merimbula.dat"; |
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317 | freopen(file_name, "r", stdin); |
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318 | |
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319 | scanf("%d\n %lf\n", &n, &g); |
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320 | printf("\n\nThe number of elements is %d\n", n); |
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321 | |
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322 | xe = (DATA_TYPE*)malloc( n*sizeof(DATA_TYPE)); |
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323 | //assert( xe != NULL); |
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324 | ye = (DATA_TYPE*)malloc( n*sizeof(DATA_TYPE)); |
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325 | //assert( ye != NULL); |
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326 | test_xe = (DATA_TYPE*)malloc( n*sizeof(DATA_TYPE)); |
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327 | //assert( test_xe != NULL); |
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328 | test_ye = (DATA_TYPE*)malloc( n*sizeof(DATA_TYPE)); |
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329 | //assert( test_ye != NULL); |
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330 | |
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331 | |
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332 | sv = (DATA_TYPE*)malloc( n*sizeof(DATA_TYPE) *3); |
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333 | //assert( sv != NULL); |
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334 | se = (DATA_TYPE*)malloc( n*sizeof(DATA_TYPE) *3); |
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335 | //assert( se != NULL); |
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336 | sc = (DATA_TYPE*)malloc( n*sizeof(DATA_TYPE) ); |
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337 | //assert( sc != NULL); |
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338 | |
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339 | be = (DATA_TYPE*)malloc( n*sizeof(DATA_TYPE) *3); |
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340 | //assert( be != NULL); |
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341 | bc = (DATA_TYPE*)malloc( n*sizeof(DATA_TYPE) ); |
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342 | //assert( bc != NULL); |
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343 | |
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344 | vc = (DATA_TYPE*)malloc( n*sizeof(DATA_TYPE) *6); |
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345 | //assert( vc != NULL); |
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346 | normals=(DATA_TYPE*)malloc( n*sizeof(DATA_TYPE) *6); |
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347 | //assert( normals != NULL); |
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348 | a = (DATA_TYPE*)malloc( n*sizeof(DATA_TYPE) ); |
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349 | //assert( a != NULL); |
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350 | el = (DATA_TYPE*)malloc( n*sizeof(DATA_TYPE) *3); |
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351 | //assert( el != NULL); |
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352 | |
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353 | |
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354 | #ifdef USING_DOUBLE |
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355 | for( i = 0; i < n; ++i ){ |
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356 | scanf("%lf %lf %lf\n", sv+i*3, sv+i*3 +1, sv+i*3 +2); |
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357 | scanf("%lf %lf %lf\n", se+i*3, se+i*3 +1, se+i*3 +2); |
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358 | scanf("%lf\n", sc+i); |
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359 | |
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360 | scanf("%lf %lf %lf\n",be+i*3, be+i*3 +1, be+i*3 +2); |
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361 | scanf("%lf\n", bc+i); |
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362 | |
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363 | scanf("%lf %lf\n", vc+i*6, vc+i*6 +1); |
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364 | scanf("%lf %lf\n", vc+i*6+2, vc+i*6 +3); |
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365 | scanf("%lf %lf\n", vc+i*6+4, vc+i*6 +5); |
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366 | |
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367 | scanf("%lf\n", xe+i); |
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368 | scanf("%lf\n", ye+i); |
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369 | |
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370 | scanf("%lf %lf %lf %lf %lf %lf\n", normals+i*6, normals+i*6+1, normals+i*6+2,normals+i*6+3, normals+i*6+4, normals+i*6+5); |
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371 | |
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372 | scanf("%lf\n", a+i); |
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373 | |
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374 | scanf("%lf %lf %lf\n", el+i*3, el+i*3 +1, el+i*3 +2); |
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375 | } |
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376 | #else |
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377 | for( i = 0; i < n; ++i ){ |
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378 | scanf("%f %f %f\n", sv+i*3, sv+i*3 +1, sv+i*3 +2); |
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379 | scanf("%f %f %f\n", se+i*3, se+i*3 +1, se+i*3 +2); |
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380 | scanf("%f\n", sc+i); |
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381 | |
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382 | scanf("%f %f %f\n",be+i*3, be+i*3 +1, be+i*3 +2); |
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383 | scanf("%f\n", bc+i); |
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384 | |
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385 | scanf("%f %f\n", vc+i*6, vc+i*6 +1); |
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386 | scanf("%f %f\n", vc+i*6+2, vc+i*6 +3); |
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387 | scanf("%f %f\n", vc+i*6+4, vc+i*6 +5); |
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388 | |
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389 | scanf("%f\n", xe+i); |
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390 | scanf("%f\n", ye+i); |
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391 | |
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392 | scanf("%f %f %f %f %f %f\n", normals+i*6, normals+i*6+1, normals+i*6+2,normals+i*6+3, normals+i*6+4, normals+i*6+5); |
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393 | |
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394 | scanf("%f\n", a+i); |
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395 | |
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396 | scanf("%f %f %f\n", el+i*3, el+i*3 +1, el+i*3 +2); |
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397 | } |
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398 | #endif |
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399 | |
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400 | #ifndef ON_XE |
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401 | memcpy(test_xe, xe, n*sizeof(DATA_TYPE)); |
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402 | memcpy(test_ye, ye, n*sizeof(DATA_TYPE)); |
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403 | #else |
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404 | for (i=0; i < n; i++) |
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405 | { |
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406 | test_xe[i] = xe[i]; |
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407 | test_ye[i] = ye[i]; |
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408 | } |
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409 | #endif |
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410 | errs_x = 0; |
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411 | errs_y = 0; |
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412 | for( i = 0; i < n; ++i ){ |
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413 | if (test_xe[i] != xe[i]) |
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414 | errs_x +=1; |
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415 | if (test_ye[i] != ye[i]) |
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416 | errs_y +=1; |
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417 | } |
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418 | printf("Verifying initial input: %d %d \n", errs_x, errs_y); |
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419 | |
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420 | |
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421 | /* compute on the GPU */ |
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422 | printf(" --> Entering GPU .... \n"); |
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423 | |
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424 | #pragma hmpp gravity callsite |
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425 | gravity_wb( n, n*3, n*6, xe, ye, sv, se, sc, be, bc, vc, normals, a, el, g); |
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426 | |
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427 | /* compare results */ |
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428 | printf(" --> Entering CPU .... \n"); |
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429 | errs_x = 0; |
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430 | errs_y = 0; |
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431 | gravity_wb_orig( xe, ye, sv, se, sc, be, bc, vc, normals, a, el, |
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432 | test_xe, test_ye, n, g); |
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433 | //gravity_wb( n, n*3, n*6, test_xe, test_ye, sv, se, sc, be, bc, vc, normals, a, el, g); |
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434 | |
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435 | |
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436 | |
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437 | printf( "%d %derrors found\n", errs_x, errs_y ); |
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438 | return errs_x + errs_y; |
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439 | } |
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440 | #endif |
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441 | |
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442 | |
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443 | |
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444 | #ifndef CALL_TEST |
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445 | void test_call(){ |
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446 | int n; /* vector length */ |
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447 | DATA_TYPE g = 9.8; |
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448 | int i; |
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449 | int errs_x =0, errs_y =0; |
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450 | |
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451 | DATA_TYPE * xe, //xmom_explicit_update, |
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452 | * ye; //ymom_explicit_update; |
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453 | DATA_TYPE * test_xe, //xmom_explicit_update, |
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454 | * test_ye; //ymom_explicit_update; |
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455 | |
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456 | |
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457 | DATA_TYPE * sv, //stage_vertex_values, |
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458 | * se, //stage_edge_values, |
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459 | * sc; //stage_centroid_values; |
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460 | |
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461 | DATA_TYPE * be, //bed_edge_values, |
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462 | * bc; //bed_centroid_values; |
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463 | |
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464 | DATA_TYPE * vc, //vertex_coordinates, |
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465 | * normals, |
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466 | * a, //areas, |
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467 | * el; //edgelengths; |
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468 | |
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469 | char file_name[] = "merimbula.dat"; |
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470 | freopen(file_name, "r", stdin); |
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471 | |
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472 | scanf("%d\n %lf\n", &n, &g); |
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473 | printf("\n\nThe number of elements is %d\n", n); |
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474 | |
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475 | xe = (DATA_TYPE*)malloc( n*sizeof(DATA_TYPE)); |
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476 | //assert( xe != NULL); |
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477 | ye = (DATA_TYPE*)malloc( n*sizeof(DATA_TYPE)); |
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478 | //assert( ye != NULL); |
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479 | test_xe = (DATA_TYPE*)malloc( n*sizeof(DATA_TYPE)); |
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480 | //assert( test_xe != NULL); |
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481 | test_ye = (DATA_TYPE*)malloc( n*sizeof(DATA_TYPE)); |
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482 | //assert( test_ye != NULL); |
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483 | |
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484 | |
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485 | sv = (DATA_TYPE*)malloc( n*sizeof(DATA_TYPE) *3); |
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486 | //assert( sv != NULL); |
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487 | se = (DATA_TYPE*)malloc( n*sizeof(DATA_TYPE) *3); |
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488 | //assert( se != NULL); |
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489 | sc = (DATA_TYPE*)malloc( n*sizeof(DATA_TYPE) ); |
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490 | //assert( sc != NULL); |
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491 | |
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492 | be = (DATA_TYPE*)malloc( n*sizeof(DATA_TYPE) *3); |
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493 | //assert( be != NULL); |
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494 | bc = (DATA_TYPE*)malloc( n*sizeof(DATA_TYPE) ); |
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495 | //assert( bc != NULL); |
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496 | |
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497 | vc = (DATA_TYPE*)malloc( n*sizeof(DATA_TYPE) *6); |
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498 | //assert( vc != NULL); |
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499 | normals=(DATA_TYPE*)malloc( n*sizeof(DATA_TYPE) *6); |
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500 | //assert( normals != NULL); |
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501 | a = (DATA_TYPE*)malloc( n*sizeof(DATA_TYPE) ); |
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502 | //assert( a != NULL); |
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503 | el = (DATA_TYPE*)malloc( n*sizeof(DATA_TYPE) *3); |
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504 | //assert( el != NULL); |
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505 | |
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506 | |
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507 | #ifdef USING_DOUBLE |
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508 | for( i = 0; i < n; ++i ){ |
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509 | scanf("%lf %lf %lf\n", sv+i*3, sv+i*3 +1, sv+i*3 +2); |
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510 | scanf("%lf %lf %lf\n", se+i*3, se+i*3 +1, se+i*3 +2); |
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511 | scanf("%lf\n", sc+i); |
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512 | |
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513 | scanf("%lf %lf %lf\n",be+i*3, be+i*3 +1, be+i*3 +2); |
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514 | scanf("%lf\n", bc+i); |
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515 | |
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516 | scanf("%lf %lf\n", vc+i*6, vc+i*6 +1); |
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517 | scanf("%lf %lf\n", vc+i*6+2, vc+i*6 +3); |
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518 | scanf("%lf %lf\n", vc+i*6+4, vc+i*6 +5); |
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519 | |
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520 | scanf("%lf\n", xe+i); |
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521 | scanf("%lf\n", ye+i); |
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522 | |
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523 | scanf("%lf %lf %lf %lf %lf %lf\n", normals+i*6, normals+i*6+1, normals+i*6+2,normals+i*6+3, normals+i*6+4, normals+i*6+5); |
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524 | |
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525 | scanf("%lf\n", a+i); |
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526 | |
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527 | scanf("%lf %lf %lf\n", el+i*3, el+i*3 +1, el+i*3 +2); |
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528 | } |
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529 | #else |
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530 | for( i = 0; i < n; ++i ){ |
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531 | scanf("%f %f %f\n", sv+i*3, sv+i*3 +1, sv+i*3 +2); |
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532 | scanf("%f %f %f\n", se+i*3, se+i*3 +1, se+i*3 +2); |
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533 | scanf("%f\n", sc+i); |
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534 | |
---|
535 | scanf("%f %f %f\n",be+i*3, be+i*3 +1, be+i*3 +2); |
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536 | scanf("%f\n", bc+i); |
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537 | |
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538 | scanf("%f %f\n", vc+i*6, vc+i*6 +1); |
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539 | scanf("%f %f\n", vc+i*6+2, vc+i*6 +3); |
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540 | scanf("%f %f\n", vc+i*6+4, vc+i*6 +5); |
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541 | |
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542 | scanf("%f\n", xe+i); |
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543 | scanf("%f\n", ye+i); |
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544 | |
---|
545 | scanf("%f %f %f %f %f %f\n", normals+i*6, normals+i*6+1, normals+i*6+2,normals+i*6+3, normals+i*6+4, normals+i*6+5); |
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546 | |
---|
547 | scanf("%f\n", a+i); |
---|
548 | |
---|
549 | scanf("%f %f %f\n", el+i*3, el+i*3 +1, el+i*3 +2); |
---|
550 | } |
---|
551 | #endif |
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552 | |
---|
553 | #ifndef ON_XE |
---|
554 | memcpy(test_xe, xe, n*sizeof(DATA_TYPE)); |
---|
555 | memcpy(test_ye, ye, n*sizeof(DATA_TYPE)); |
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556 | #else |
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557 | for (i=0; i < n; i++) |
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558 | { |
---|
559 | test_xe[i] = xe[i]; |
---|
560 | test_ye[i] = ye[i]; |
---|
561 | } |
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562 | #endif |
---|
563 | for( i = 0; i < n; ++i ){ |
---|
564 | if (test_xe[i] != xe[i]) |
---|
565 | errs_x +=1; |
---|
566 | if (test_ye[i] != ye[i]) |
---|
567 | errs_y +=1; |
---|
568 | } |
---|
569 | printf("Verifying initial input: %d %d \n", errs_x, errs_y); |
---|
570 | |
---|
571 | |
---|
572 | /* compute on the GPU */ |
---|
573 | printf(" --> Entering GPU .... \n"); |
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574 | |
---|
575 | #pragma hmpp gravity callsite |
---|
576 | gravity_wb( n, n*3, n*6, xe, ye, sv, se, sc, be, bc, vc, normals, a, el, g); |
---|
577 | |
---|
578 | /* compare results */ |
---|
579 | printf(" --> Entering CPU .... \n"); |
---|
580 | errs_x = 0; |
---|
581 | errs_y = 0; |
---|
582 | gravity_wb_orig( xe, ye, sv, se, sc, be, bc, vc, normals, a, el, |
---|
583 | test_xe, test_ye, n, g); |
---|
584 | //gravity_wb( n, n*3, n*6, test_xe, test_ye, sv, se, sc, be, bc, vc, normals, a, el, g); |
---|
585 | |
---|
586 | |
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587 | |
---|
588 | printf( "%d %derrors found\n", errs_x, errs_y ); |
---|
589 | } |
---|
590 | #else |
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591 | #pragma hmpp test_call codelet, target=CUDA args[*].transfer=atcall |
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592 | void double_plus(int n, double a[n], double b[n], double c[n]) |
---|
593 | { |
---|
594 | int i; |
---|
595 | for (i=0; i<n; i++) |
---|
596 | c[i] = (a[n] + b[n]) * 2; |
---|
597 | } |
---|
598 | |
---|
599 | |
---|
600 | void test_call() |
---|
601 | { |
---|
602 | double * a, *b, *c, *c_test; |
---|
603 | int n = 32, i; |
---|
604 | |
---|
605 | a = (double *) malloc(n * sizeof(double)); |
---|
606 | b = (double *) malloc(n * sizeof(double)); |
---|
607 | c = (double *) malloc(n * sizeof(double)); |
---|
608 | c_test = (double *) malloc(n * sizeof(double)); |
---|
609 | |
---|
610 | #pragma hmpp test_call callsite |
---|
611 | double_plus(n, a, b, c); |
---|
612 | |
---|
613 | double_plus(n, a, b, c_test); |
---|
614 | |
---|
615 | for (i=0; i < n ; i++) |
---|
616 | { |
---|
617 | if (c[i] != c_test[i]) |
---|
618 | printf(" -> %d, %lf %lf %lf %lf\n", i, a[i], b[i], c[i], c_test[i]); |
---|
619 | } |
---|
620 | |
---|
621 | } |
---|
622 | #endif |
---|