1 | /************************************************************************/ |
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2 | /* PyPAR - Parallel Python using MPI */ |
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3 | /* Copyright (C) 2001 - 2009 Ole Nielsen */ |
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4 | /* */ |
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5 | /* See enclosed README file for details of installation and use. */ |
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6 | /* */ |
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7 | /* This program is free software; you can redistribute it and/or modify */ |
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8 | /* it under the terms of the GNU General Public License as published by */ |
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9 | /* the Free Software Foundation; either version 2 of the License, or */ |
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10 | /* (at your option) any later version. */ |
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11 | /* */ |
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12 | /* This program is distributed in the hope that it will be useful, */ |
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13 | /* but WITHOUT ANY WARRANTY; without even the implied warranty of */ |
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14 | /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ |
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15 | /* GNU General Public License (http://www.gnu.org/copyleft/gpl.html) */ |
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16 | /* for more details. */ |
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17 | /* */ |
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18 | /* You should have received a copy of the GNU General Public License */ |
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19 | /* along with this program; if not, write to the Free Software */ |
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20 | /* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307*/ |
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21 | /* */ |
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22 | /* */ |
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23 | /* Contact address: Ole.Moller.Nielsen@gmail.com */ |
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24 | /* */ |
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25 | /* version (see __version__ in pypar.py) */ |
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26 | /* date (see __date__ in pypar.py) */ |
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27 | /************************************************************************/ |
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28 | |
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29 | |
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30 | #include "Python.h" |
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31 | #include "mpi.h" |
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32 | #include "math.h" |
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33 | #include "numpy/arrayobject.h" |
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34 | |
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35 | |
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36 | /* Handle MPI constants export (shamelessly stolen from _cursesmodule.c)*/ |
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37 | #define SetDictInt(string,ch) \ |
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38 | PyDict_SetItemString(ModDict, string, PyInt_FromLong((long) (ch))); |
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39 | |
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40 | /* Remap struct MPI_op to int (easier to handle by python)*/ |
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41 | #define MAX 1 |
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42 | #define MIN 2 |
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43 | #define SUM 3 |
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44 | #define PROD 4 |
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45 | #define LAND 5 |
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46 | #define BAND 6 |
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47 | #define LOR 7 |
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48 | #define BOR 8 |
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49 | #define LXOR 9 |
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50 | #define BXOR 10 |
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51 | #define MAXLOC 11 |
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52 | #define MINLOC 12 |
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53 | /*#define REPLACE 13 // Not available on all MPI systems */ |
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54 | |
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55 | |
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56 | static char errmsg[132]; /*Used to create exception messages*/ |
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57 | |
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58 | /* MPI_Bsend() related variables. */ |
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59 | //static void *pt_buf; /* Pointer to allocated buffer. */ |
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60 | //static int buf_size; /* Size of buffer to allocate. */ |
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61 | |
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62 | int length(PyArrayObject *x) { |
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63 | /* Compute the total length of contiguous array */ |
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64 | /* Necessary for communicating multi dimensional arrays */ |
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65 | |
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66 | int i, length; |
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67 | |
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68 | /* Compute total length of contiguous data */ |
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69 | length = 1; |
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70 | for (i=0; i<x->nd; i++) { |
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71 | length *= x->dimensions[i]; |
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72 | } |
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73 | |
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74 | return length; |
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75 | } |
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76 | |
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77 | /**********************************************************/ |
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78 | /* type_map */ |
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79 | /* */ |
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80 | /**********************************************************/ |
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81 | MPI_Datatype type_map(PyArrayObject *x, int *count) { |
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82 | /* Return the MPI Datatype corresponding to |
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83 | the Python data type as follows |
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84 | |
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85 | TYPE py_type mpi_type bytes symbol |
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86 | ---------------------------------------- |
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87 | INT 4 6 4 'i' |
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88 | LONG 5 8 8 'l' |
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89 | FLOAT 6 10 4 'f' |
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90 | DOUBLE 12 11 8 'd' |
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91 | |
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92 | Also return the total number of elements in the array |
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93 | |
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94 | The Python datatype COMPLEX ('F') and COMPLEX_DOUBLE ('D') |
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95 | is treated as a special case to the absence of an |
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96 | MPI_COMPLEX datatype: |
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97 | |
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98 | Complex arrays are mapped to float or double arrays with real |
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99 | and imaginary parts alternating and count is updated. */ |
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100 | |
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101 | int py_type; |
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102 | MPI_Datatype mpi_type; |
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103 | char err_msg[64]; |
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104 | |
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105 | *count = length(x); |
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106 | |
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107 | py_type = PyArray_TYPE(x); |
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108 | if (py_type == NPY_DOUBLE) |
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109 | mpi_type = MPI_DOUBLE; |
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110 | else if (py_type == NPY_INT) |
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111 | mpi_type = MPI_INT; |
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112 | else if (py_type == NPY_CDOUBLE) { |
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113 | mpi_type = MPI_DOUBLE; |
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114 | (*count) *= 2; |
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115 | } else if (py_type == NPY_FLOAT) |
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116 | mpi_type = MPI_FLOAT; |
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117 | else if (py_type == NPY_LONG) |
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118 | mpi_type = MPI_LONG; |
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119 | else if (py_type == NPY_CFLOAT) { |
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120 | mpi_type = MPI_FLOAT; |
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121 | (*count) *= 2; |
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122 | } else { |
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123 | sprintf(err_msg, |
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124 | "Array must be of type int or float. I got py_type == %d", |
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125 | py_type); |
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126 | PyErr_SetString(PyExc_ValueError, err_msg); |
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127 | return (MPI_Datatype) NULL; |
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128 | } |
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129 | |
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130 | //printf("Types: py_type=%d, mpi_type=%d\n", py_type, (int) mpi_type); |
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131 | |
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132 | return mpi_type; |
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133 | } |
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134 | |
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135 | /**********************************************************/ |
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136 | /* op_map */ |
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137 | /* */ |
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138 | /**********************************************************/ |
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139 | MPI_Op op_map(int py_op) { |
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140 | |
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141 | MPI_Op mpi_op; |
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142 | |
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143 | if (py_op == MAX) |
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144 | mpi_op = MPI_MAX; |
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145 | else if (py_op == MIN) |
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146 | mpi_op = MPI_MIN; |
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147 | else if (py_op == SUM) |
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148 | mpi_op = MPI_SUM; |
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149 | else if (py_op == PROD) |
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150 | mpi_op = MPI_PROD; |
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151 | else if (py_op == LAND) |
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152 | mpi_op = MPI_LAND; |
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153 | else if (py_op == BAND) |
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154 | mpi_op = MPI_BAND; |
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155 | else if (py_op == LOR) |
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156 | mpi_op = MPI_LOR; |
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157 | else if (py_op == BOR) |
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158 | mpi_op = MPI_BOR; |
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159 | else if (py_op == LXOR) |
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160 | mpi_op = MPI_LXOR; |
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161 | else if (py_op == BXOR) |
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162 | mpi_op = MPI_BXOR; |
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163 | else if (py_op == MAXLOC) |
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164 | mpi_op = MPI_MAXLOC; |
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165 | else if (py_op == MINLOC) |
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166 | mpi_op = MPI_MINLOC; |
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167 | /*else if (py_op == REPLACE)*/ |
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168 | /* mpi_op = MPI_REPLACE; */ |
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169 | else { |
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170 | PyErr_SetString(PyExc_ValueError, "Operation unknown"); |
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171 | return (MPI_Op) NULL; |
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172 | } |
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173 | |
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174 | return mpi_op; |
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175 | } |
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176 | |
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177 | |
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178 | /**********************************************************/ |
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179 | /* isend_array (asynchronous) */ |
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180 | /* Send Numpy array of type float, double, int, or long */ |
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181 | /* */ |
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182 | /**********************************************************/ |
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183 | static PyObject *isend_array(PyObject *self, PyObject *args) { |
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184 | PyObject *input; |
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185 | PyArrayObject *x; |
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186 | int destination, tag, error, count, myid; |
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187 | MPI_Datatype mpi_type; |
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188 | |
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189 | /* process the parameters */ |
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190 | if (!PyArg_ParseTuple(args, "Oii", &input, &destination, &tag)) |
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191 | return NULL; |
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192 | |
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193 | /* Make Numpy array from general sequence type (no cost if already Numpy). */ |
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194 | x = (PyArrayObject *) |
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195 | PyArray_ContiguousFromObject(input, NPY_NOTYPE, 0, 0); |
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196 | |
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197 | /* Input check and determination of MPI type */ |
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198 | mpi_type = type_map(x, &count); |
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199 | if (!mpi_type) return NULL; |
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200 | |
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201 | /* call the MPI routine */ |
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202 | error = MPI_Send(x->data, count, mpi_type, destination, tag, |
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203 | MPI_COMM_WORLD); |
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204 | Py_DECREF(x); |
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205 | |
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206 | if (error != 0) { |
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207 | MPI_Comm_rank(MPI_COMM_WORLD, &myid); |
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208 | sprintf(errmsg, "Proc %d: MPI_Send failed with error code %d\n", |
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209 | myid, error); |
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210 | PyErr_SetString(PyExc_RuntimeError, errmsg); |
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211 | return NULL; |
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212 | } |
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213 | |
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214 | Py_INCREF(Py_None); |
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215 | return (Py_None); |
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216 | } |
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217 | |
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218 | |
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219 | |
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220 | |
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221 | /*************************************************************/ |
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222 | /* ireceive_array (asynchronous) */ |
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223 | /* Receive Numpy array of type float, double, int, or long */ |
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224 | /* */ |
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225 | /*************************************************************/ |
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226 | static PyObject *ireceive_array(PyObject *self, PyObject *args) { |
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227 | PyArrayObject *x; |
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228 | int source, tag, error, st_length, size, count, myid; |
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229 | MPI_Datatype mpi_type; |
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230 | MPI_Status status; |
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231 | |
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232 | |
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233 | if (!PyArg_ParseTuple(args, "Oii", &x, &source, &tag)) |
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234 | return NULL; |
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235 | |
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236 | /* Input check and determination of MPI type */ |
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237 | mpi_type = type_map(x, &count); |
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238 | if (!mpi_type) return NULL; |
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239 | |
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240 | /* call the MPI routine */ |
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241 | error = MPI_Recv(x->data, count, mpi_type, source, tag, |
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242 | MPI_COMM_WORLD, &status); |
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243 | |
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244 | /* Do not DECREF x as it must be returned to Python */ |
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245 | |
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246 | if (error != 0) { |
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247 | MPI_Comm_rank(MPI_COMM_WORLD, &myid); |
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248 | sprintf(errmsg, "Proc %d: MPI_Recv failed with error code %d\n", |
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249 | myid, error); |
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250 | PyErr_SetString(PyExc_RuntimeError, errmsg); |
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251 | return NULL; |
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252 | } |
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253 | |
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254 | |
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255 | MPI_Get_count(&status, mpi_type, &st_length); |
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256 | /* status.st_length is not available in all MPI implementations */ |
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257 | /* Alternative is: MPI_Get_elements(MPI_Status *, MPI_Datatype, int *); */ |
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258 | |
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259 | |
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260 | /* FIXME: This might not be watertight on all platforms */ |
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261 | /* Need C equivalent to itemsize().*/ |
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262 | if (mpi_type == MPI_DOUBLE) { |
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263 | size = sizeof(double); /*8 */ |
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264 | } else if (mpi_type == MPI_LONG) { |
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265 | size = sizeof(long); /*8? */ |
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266 | } else if (mpi_type == MPI_FLOAT) { |
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267 | size = sizeof(float); |
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268 | } else if (mpi_type == MPI_INT) { |
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269 | size = sizeof(int); |
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270 | } else { |
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271 | size = 4; |
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272 | } |
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273 | |
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274 | return Py_BuildValue("(iiiii)", status.MPI_SOURCE, status.MPI_TAG, |
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275 | status.MPI_ERROR, st_length, size); |
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276 | } |
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277 | |
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278 | |
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279 | |
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280 | |
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281 | |
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282 | /*************************************************************/ |
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283 | /* allreduce_array */ |
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284 | /* Allreduce Numpy array of type float, double, int, or long */ |
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285 | /* */ |
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286 | /*************************************************************/ |
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287 | static PyObject *allreduce_array(PyObject *self, PyObject *args) { |
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288 | PyArrayObject *x; |
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289 | PyArrayObject *d; |
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290 | int op, error, count, count1, myid; |
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291 | MPI_Datatype mpi_type, buffer_type; |
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292 | MPI_Op mpi_op; |
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293 | |
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294 | /* process the parameters */ |
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295 | if (!PyArg_ParseTuple(args, "OOi", &x, &d, &op)) { |
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296 | PyErr_SetString(PyExc_RuntimeError, |
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297 | "mpiext.c (allreduce_array): could not parse input"); |
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298 | return NULL; |
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299 | } |
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300 | |
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301 | /* Input check and determination of MPI type */ |
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302 | mpi_type = type_map(x, &count); |
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303 | if (!mpi_type) { |
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304 | PyErr_SetString(PyExc_RuntimeError, |
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305 | "mpiext.c (allreduce_array): could not determine mpi_type"); |
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306 | return NULL; |
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307 | } |
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308 | |
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309 | /* This error is caught at the pypar level - so we won't end up here |
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310 | unless mpiext is being used independently */ |
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311 | buffer_type = type_map(d, &count1); |
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312 | if (mpi_type != buffer_type) { |
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313 | sprintf(errmsg, "mpiext.c (allreduce_array): Input array and buffer must be of the same type."); |
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314 | PyErr_SetString(PyExc_RuntimeError, errmsg); |
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315 | |
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316 | return NULL; |
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317 | } |
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318 | |
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319 | if (count != count1) { |
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320 | PyErr_SetString(PyExc_RuntimeError, |
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321 | "mpiext.c (allreduce_array): Input array and buffer must have same length"); |
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322 | return NULL; |
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323 | } |
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324 | |
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325 | /* Input check and determination of MPI op */ |
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326 | mpi_op = op_map(op); |
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327 | if (!mpi_op) { |
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328 | PyErr_SetString(PyExc_RuntimeError, |
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329 | "mpiext.c (allreduce_array): could not determine mpi_op"); |
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330 | return NULL; |
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331 | } |
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332 | |
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333 | if (op == MAXLOC || op == MINLOC) { |
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334 | PyErr_SetString(PyExc_RuntimeError, |
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335 | "mpiext.c (allreduce_array): MAXLOC and MINLOC are not implemented"); |
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336 | return NULL; |
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337 | } |
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338 | else { |
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339 | /* call the MPI routine */ |
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340 | error = MPI_Allreduce(x->data, d->data, count, mpi_type, mpi_op, \ |
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341 | MPI_COMM_WORLD); |
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342 | } |
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343 | |
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344 | if (error != 0) { |
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345 | MPI_Comm_rank(MPI_COMM_WORLD, &myid); |
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346 | sprintf(errmsg, "Proc %d: MPI_Allreduce failed with error code %d\n", |
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347 | myid, error); |
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348 | PyErr_SetString(PyExc_RuntimeError, errmsg); |
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349 | return NULL; |
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350 | } |
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351 | |
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352 | Py_INCREF(Py_None); |
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353 | return (Py_None); |
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354 | } |
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355 | |
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356 | |
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357 | /*************************************************************/ |
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358 | /* do multiple isends and irecv of Numpy array buffers */ |
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359 | /* of type float, double, int, or long */ |
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360 | /* */ |
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361 | /*************************************************************/ |
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362 | static PyObject *sendrecv_array(PyObject *self, PyObject *args) { |
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363 | PyObject *send_bufs; |
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364 | PyArrayObject *send_dest; |
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365 | PyObject *recv_bufs; |
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366 | PyArrayObject *recv_dest; |
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367 | |
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368 | PyObject *seq; |
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369 | |
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370 | PyArrayObject *x; |
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371 | //int op, error, count, count1, myid; |
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372 | //MPI_Datatype mpi_type, buffer_type; |
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373 | //MPI_Op mpi_op; |
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374 | int i, len; |
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375 | |
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376 | double *xdata; |
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377 | |
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378 | /* process the parameters */ |
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379 | if (!PyArg_ParseTuple(args, "OOOO", &send_bufs, &send_dest, &recv_bufs, &recv_dest)) { |
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380 | PyErr_SetString(PyExc_RuntimeError, |
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381 | "mpiextras.c (sendrecv_array): could not parse input"); |
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382 | return NULL; |
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383 | } |
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384 | |
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385 | seq = PySequence_Fast(send_bufs, "expected a sequence"); |
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386 | len = PySequence_Size(send_bufs); |
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387 | printf("len of sequence %d\n",len); |
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388 | for (i = 0; i < len; i++) { |
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389 | x = (PyArrayObject *) PySequence_Fast_GET_ITEM(seq, i); |
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390 | //lenx = x->dimensions[0]; |
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391 | printf("buf size %d\n",len); |
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392 | xdata = (double *) x->data; |
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393 | printf("x->data[0] %g\n",xdata[0]); |
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394 | } |
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395 | Py_DECREF(seq); |
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396 | |
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397 | |
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398 | Py_INCREF(Py_None); |
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399 | return (Py_None); |
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400 | } |
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401 | |
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402 | |
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403 | |
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404 | /*************************************************************/ |
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405 | /* do multiple isends and irecv of Numpy array buffers */ |
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406 | /* of type float, double, int, or long */ |
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407 | /* */ |
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408 | /*************************************************************/ |
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409 | static PyObject *send_recv_via_dicts(PyObject *self, PyObject *args) { |
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410 | |
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411 | PyObject *send_dict; |
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412 | PyObject *recv_dict; |
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413 | |
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414 | //PyObject *seq; |
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415 | |
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416 | //PyObject *list; |
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417 | PyArrayObject *X; |
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418 | //PyArrayObject *Id; |
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419 | //int op, error, count, count1, myid; |
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420 | //MPI_Datatype mpi_type, buffer_type; |
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421 | //MPI_Op mpi_op; |
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422 | int k, lenx; |
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423 | int num_recv=0; |
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424 | int num_send=0; |
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425 | |
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426 | int ierr; |
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427 | MPI_Request requests[40]; |
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428 | MPI_Status statuses[40]; |
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429 | |
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430 | Py_ssize_t pos = 0; |
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431 | |
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432 | PyObject *key, *value; |
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433 | //long *Iddata; |
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434 | //double *xdata; |
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435 | |
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436 | /* process the parameters */ |
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437 | if (!PyArg_ParseTuple(args, "OO", &send_dict, &recv_dict)) { |
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438 | PyErr_SetString(PyExc_RuntimeError, |
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439 | "mpiextras.c (sendrecv_array): could not parse input"); |
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440 | return NULL; |
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441 | } |
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442 | |
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443 | //---------------------------------------------------------------------------- |
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444 | // Do the recv first |
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445 | //---------------------------------------------------------------------------- |
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446 | num_recv = PyDict_Size(recv_dict); |
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447 | //printf("num_recv = %d\n",num_recv); |
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448 | if (num_recv>20) { |
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449 | PyErr_SetString(PyExc_RuntimeError, |
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450 | "mpiextras.c; Number of recv communication buffers > 10"); |
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451 | return NULL; |
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452 | } |
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453 | |
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454 | pos = 0; |
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455 | k = 0; |
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456 | while (PyDict_Next(recv_dict, &pos, &key, &value)) { |
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457 | int i = PyInt_AS_LONG(key); |
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458 | //printf("key %d\n",i); |
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459 | |
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460 | //Id = (PyArrayObject *) PyList_GetItem(value, 0); |
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461 | X = (PyArrayObject *) PyList_GetItem(value, 2); |
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462 | |
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463 | lenx = X->dimensions[0]*X->dimensions[1]; |
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464 | |
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465 | |
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466 | //printf("buf size %d by 3\n",lenx/3); |
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467 | //xdata = (double *) X->data; |
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468 | //Iddata = (long *) Id->data; |
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469 | |
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470 | //printf("k = %d \n",k); |
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471 | ierr = MPI_Irecv(X->data, lenx, MPI_DOUBLE, i, 123, MPI_COMM_WORLD, &requests[k]); |
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472 | if (ierr>0) { |
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473 | PyErr_SetString(PyExc_RuntimeError, |
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474 | "mpiextras.c; error from MPI_Irecv"); |
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475 | return NULL; |
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476 | } |
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477 | //printf("ierr = %d \n",ierr); |
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478 | k++; |
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479 | //for (k=0 ; k < lenx ; k++) printf("X[%d] = %g Id[%d] = %ld \n",k,xdata[k],k,Iddata[k]); |
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480 | } |
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481 | //---------------------------------------------------------------------------- |
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482 | // Do the sends second |
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483 | //---------------------------------------------------------------------------- |
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484 | num_send = PyDict_Size(send_dict); |
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485 | //printf("num_send = %d\n",num_send); |
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486 | if (num_send>20) { |
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487 | PyErr_SetString(PyExc_RuntimeError, |
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488 | "mpiextras.c; Number of send communication buffers > 10"); |
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489 | return NULL; |
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490 | } |
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491 | |
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492 | pos = 0; |
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493 | while (PyDict_Next(send_dict, &pos, &key, &value)) { |
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494 | int i = PyInt_AS_LONG(key); |
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495 | //printf("key %d\n",i); |
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496 | |
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497 | //Id = (PyArrayObject *) PyList_GetItem(value, 0); |
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498 | X = (PyArrayObject *) PyList_GetItem(value, 2); |
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499 | |
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500 | lenx = X->dimensions[0]*X->dimensions[1]; |
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501 | |
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502 | //printf("buf size %d by 3 \n",lenx/3); |
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503 | //xdata = (double *) X->data; |
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504 | //Iddata = (long *) Id->data; |
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505 | //for (k=0 ; k < lenx ; k++) printf("X[%d] = %g Id[%d] = %ld \n",k,xdata[k],k,Iddata[k]); |
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506 | |
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507 | //printf("k = %d \n",k); |
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508 | ierr = MPI_Isend(X->data, lenx, MPI_DOUBLE, i, 123, MPI_COMM_WORLD, &requests[k]); |
---|
509 | //printf("ierr = %d \n",ierr); |
---|
510 | |
---|
511 | k++; |
---|
512 | } |
---|
513 | |
---|
514 | |
---|
515 | |
---|
516 | //printf("k = %d\n",k); |
---|
517 | |
---|
518 | |
---|
519 | //---------------------------------------------------------------------------- |
---|
520 | // Now complete communication. We could put some computation between the |
---|
521 | // communication calls above and this call. |
---|
522 | //---------------------------------------------------------------------------- |
---|
523 | ierr = MPI_Waitall(k,requests,statuses); |
---|
524 | |
---|
525 | |
---|
526 | |
---|
527 | |
---|
528 | |
---|
529 | /* |
---|
530 | for (i = 0; i < len; i++) { |
---|
531 | x = (PyArrayObject *) PySequence_Fast_GET_ITEM(seq, i); |
---|
532 | lenx = x->dimensions[0]; |
---|
533 | printf("buf size %d\n",len); |
---|
534 | xdata = (double *) x->data; |
---|
535 | printf("x->data[0] %g\n",xdata[0]);y |
---|
536 | } |
---|
537 | Py_DECREF(seq); |
---|
538 | */ |
---|
539 | |
---|
540 | |
---|
541 | /* |
---|
542 | // Input check and determination of MPI type |
---|
543 | mpi_type = type_map(x, &count); |
---|
544 | if (!mpi_type) { |
---|
545 | PyErr_SetString(PyExc_RuntimeError, |
---|
546 | "mpiext.c (allreduce_array): could not determine mpi_type"); |
---|
547 | return NULL; |
---|
548 | } |
---|
549 | |
---|
550 | |
---|
551 | //This error is caught at the pypar level - so we won't end up here |
---|
552 | // unless mpiext is being used independently |
---|
553 | buffer_type = type_map(d, &count1); |
---|
554 | if (mpi_type != buffer_type) { |
---|
555 | sprintf(errmsg, "mpiext.c (allreduce_array): Input array and buffer must be of the same type."); |
---|
556 | PyErr_SetString(PyExc_RuntimeError, errmsg); |
---|
557 | |
---|
558 | return NULL; |
---|
559 | } |
---|
560 | |
---|
561 | if (count != count1) { |
---|
562 | PyErr_SetString(PyExc_RuntimeError, |
---|
563 | "mpiext.c (allreduce_array): Input array and buffer must have same length"); |
---|
564 | return NULL; |
---|
565 | } |
---|
566 | |
---|
567 | // Input check and determination of MPI op |
---|
568 | mpi_op = op_map(op); |
---|
569 | if (!mpi_op) { |
---|
570 | PyErr_SetString(PyExc_RuntimeError, |
---|
571 | "mpiext.c (allreduce_array): could not determine mpi_op"); |
---|
572 | return NULL; |
---|
573 | } |
---|
574 | |
---|
575 | if (op == MAXLOC || op == MINLOC) { |
---|
576 | PyErr_SetString(PyExc_RuntimeError, |
---|
577 | "mpiext.c (allreduce_array): MAXLOC and MINLOC are not implemented"); |
---|
578 | return NULL; |
---|
579 | } |
---|
580 | else { |
---|
581 | // call the MPI routine |
---|
582 | error = MPI_Allreduce(x->data, d->data, count, mpi_type, mpi_op, \ |
---|
583 | MPI_COMM_WORLD); |
---|
584 | } |
---|
585 | |
---|
586 | if (error != 0) { |
---|
587 | MPI_Comm_rank(MPI_COMM_WORLD, &myid); |
---|
588 | sprintf(errmsg, "Proc %d: MPI_Allreduce failed with error code %d\n", |
---|
589 | myid, error); |
---|
590 | PyErr_SetString(PyExc_RuntimeError, errmsg); |
---|
591 | return NULL; |
---|
592 | } |
---|
593 | */ |
---|
594 | |
---|
595 | |
---|
596 | Py_INCREF(Py_None); |
---|
597 | return (Py_None); |
---|
598 | } |
---|
599 | |
---|
600 | |
---|
601 | |
---|
602 | /**********************************/ |
---|
603 | /* Method table for python module */ |
---|
604 | /**********************************/ |
---|
605 | static struct PyMethodDef MethodTable[] = { |
---|
606 | {"isend_array", isend_array, METH_VARARGS}, |
---|
607 | {"ireceive_array", ireceive_array, METH_VARARGS}, |
---|
608 | {"allreduce_array", allreduce_array, METH_VARARGS}, |
---|
609 | {"sendrecv_array", sendrecv_array, METH_VARARGS}, |
---|
610 | {"send_recv_via_dicts", send_recv_via_dicts, METH_VARARGS}, |
---|
611 | {NULL, NULL} |
---|
612 | }; |
---|
613 | |
---|
614 | |
---|
615 | /***************************/ |
---|
616 | /* Module initialisation */ |
---|
617 | /***************************/ |
---|
618 | void initmpiextras(void){ |
---|
619 | PyObject *m, *ModDict; |
---|
620 | |
---|
621 | m = Py_InitModule("mpiextras", MethodTable); |
---|
622 | |
---|
623 | /* to handle MPI symbolic constants*/ |
---|
624 | ModDict = PyModule_GetDict(m); |
---|
625 | SetDictInt("MPI_ANY_TAG", MPI_ANY_TAG); |
---|
626 | SetDictInt("MPI_TAG_UB", MPI_TAG_UB); |
---|
627 | SetDictInt("MPI_ANY_SOURCE", MPI_ANY_SOURCE); |
---|
628 | SetDictInt("MAX", MAX); |
---|
629 | SetDictInt("MIN", MIN); |
---|
630 | SetDictInt("SUM", SUM); |
---|
631 | SetDictInt("PROD", PROD); |
---|
632 | SetDictInt("LAND", LAND); |
---|
633 | SetDictInt("BAND", BAND); |
---|
634 | SetDictInt("LOR", LOR); |
---|
635 | SetDictInt("BOR", BOR); |
---|
636 | SetDictInt("LXOR", LXOR); |
---|
637 | SetDictInt("BXOR", BXOR); |
---|
638 | |
---|
639 | |
---|
640 | import_array(); /* Necessary for handling of numpy structures */ |
---|
641 | } |
---|