CPUFamily.cpp

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/*
 * CPUFamily.cpp
 *
 *  Created on: Sep 23, 2010
 */
 
#include <boost/python.hpp>
 
#define cpuid( func, ax, bx, cx, dx )                                                                                  \
  __asm__ __volatile__( "cpuid" : "=a"( ax ), "=b"( bx ), "=c"( cx ), "=d"( dx ) : "a"( func ) );
 
bool is_nehalem() {
#ifdef __x86_64__
  int a, b, c, d;
  cpuid( 1, a, b, c, d );
  int sse4_2_mask = 1 << 20;
  return ( c & sse4_2_mask );
#else
  return false;
#endif // __x86_64__
}
 
const char* CPUFamily() {
  if ( is_nehalem() ) {
    return "nehalem";
  } else {
    return "core";
  }
}
 
BOOST_PYTHON_MODULE( PyCPUFamily ) {
  using namespace boost::python;
  def( "CPUFamily", CPUFamily );
}