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annotate liboctave/system/lo-sysinfo.cc @ 24714:d2c727a438ab

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Add "-blas" and "-lapack" options to "version" (bug #45659). * lo-sysinfo.h, lo-sysinfo.cc: New files. * liboctave/system/module.mk: Update. * sysdep.cc (F__blas_version__, F__lapack_version__): New functions. * version.m: Accept -blas and -lapack options. Make options case insensitive.
author Markus Mützel <markus.muetzel@gmx.de>
date Thu, 08 Feb 2018 17:15:13 -0500
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children 078b795c5219
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1 /*
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2
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3 Copyright (C) 2018 Markus Mützel
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4
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5 This file is part of Octave.
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6
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7 Octave is free software: you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by
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9 the Free Software Foundation, either version 3 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 Octave is distributed in the hope that it will be useful, but
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13 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 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <https://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #if defined (HAVE_CONFIG_H)
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24 # include "config.h"
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25 #endif
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26
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27 #include <sstream>
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28 #include <string>
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29
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30 #include "f77-fcn.h"
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31 #include "lo-sysinfo.h"
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32 #include "oct-shlib.h"
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33
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34 // Hack to stringize macro results.
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35 #define xSTRINGIZE(x) #x
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36 #define STRINGIZE(x) xSTRINGIZE(x)
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37
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38 namespace octave
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39 {
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40 namespace sys
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41 {
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42 std::string blas_version (void)
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43 {
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44 dynamic_library dyn_libs ("");
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45
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46 if (! dyn_libs)
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47 return "unknown BLAS";
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48
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49 std::string retval;
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50
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51 // Check for functions that are specific to certain BLAS implementations.
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52
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53 // FlexiBLAS
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54 typedef void (*flexi_f_type) (int*, int*, int*);
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55 flexi_f_type flexi_f_ptr = reinterpret_cast<flexi_f_type>
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56 (dyn_libs.search ("flexiblas_get_version"));
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57
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58 if (flexi_f_ptr)
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59 {
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60 int v_major = 0;
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61 int v_minor = 0;
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62 int v_patch = 0;
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63 flexi_f_ptr (&v_major, &v_minor, &v_patch);
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64
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65 std::ostringstream s;
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66 s << "FlexiBLAS Version "
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67 << v_major << "." << v_minor << "." << v_patch;
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68
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69 if (! retval.empty ())
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70 retval += "\n";
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71
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72 retval += s.str ();
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73 }
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74
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75 // OpenBLAS
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76 typedef char * (*open_fcn_type) (void);
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77 open_fcn_type open_f_ptr = reinterpret_cast<open_fcn_type>
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78 (dyn_libs.search ("openblas_get_config"));
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79
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80 if (open_f_ptr)
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81 {
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82 if (! retval.empty ())
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83 retval += "\n";
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84
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85 retval += "OpenBLAS (config: " + std::string (open_f_ptr ()) + ")";
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86 }
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87
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88 // GotoBLAS(2)
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89 if (dyn_libs.search ("gotoblas_profile_init"))
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90 {
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91 if (! retval.empty ())
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92 retval += "\n";
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93
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94 retval += "GotoBLAS(2)";
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95 }
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96
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97 // ATLAS
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98 // FIXME: If we are really interested, we could use a pipe to
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99 // redirect the output of "ATL_buildinfo".
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100 if (dyn_libs.search ("ATL_buildinfo"))
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101 {
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102 if (! retval.empty ())
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103 retval += "\n";
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104
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105 retval += "ATLAS";
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106 }
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107
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108 // ACML
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109 typedef void (*acml_f_type) (int*, int*, int*);
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110 acml_f_type acml_f_ptr = reinterpret_cast<acml_f_type>
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111 (dyn_libs.search ("acmlversion"));
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112
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113 if (acml_f_ptr)
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114 {
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115 int v_major = 0;
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116 int v_minor = 0;
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117 int v_patch = 0;
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118 acml_f_ptr (&v_major, &v_minor, &v_patch);
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119
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120 std::ostringstream s;
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121 s << "ACML BLAS Version "
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122 << v_major << "." << v_minor << "." << v_patch;
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123
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124 if (! retval.empty ())
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125 retval += "\n";
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126
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127 retval += s.str ();
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128 }
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129
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130 // Intel MKL
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131 typedef void (*mkl_f_type) (char*, int);
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132 mkl_f_type mkl_f_ptr = reinterpret_cast<mkl_f_type>
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133 (dyn_libs.search ("mkl_get_version_string"));
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134
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135 if (mkl_f_ptr)
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136 {
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137 char buf[198];
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138 int len = 198;
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139 mkl_f_ptr (buf, len);
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140
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141 if (! retval.empty ())
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142 retval += "\n";
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143
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144 retval += std::string (buf);
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145 }
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146
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147 // Otherwise
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148 if (retval.empty ())
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149 retval = "unknown or reference BLAS";
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150
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151 return retval;
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152 }
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153
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154 std::string lapack_version (void)
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155 {
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156 std::string retval = "unknown LAPACK";
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157
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158 dynamic_library dyn_libs ("");
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159
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160 if (! dyn_libs)
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161 return retval;
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162
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163 // query LAPACK version
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164 typedef F77_RET_T
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165 (*ilaver_fcn_type) (const F77_INT&, const F77_INT&, const F77_INT&);
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166 ilaver_fcn_type f_ptr = reinterpret_cast<ilaver_fcn_type>
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167 (dyn_libs.search (STRINGIZE (F77_FUNC (ilaver, ILAVER))));
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168
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169 if (f_ptr)
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170 {
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171 int v_major = 0;
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172 int v_minor = 0;
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173 int v_patch = 0;
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174 f_ptr (v_major, v_minor, v_patch);
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175
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176 std::ostringstream s;
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177 s << "Linear Algebra PACKage Version "
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178 << v_major << "." << v_minor << "." << v_patch;
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179
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180 retval = s.str ();
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181 }
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182
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183 return retval;
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184 }
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185 }
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186 }