Пример #1
0
  void Device::print()
  {
    const int cpu_features = getCPUFeatures();
    std::cout << std::endl;
    std::cout << "Embree Ray Tracing Kernels " << RTC_VERSION_STRING << " (" << RTC_HASH << ")" << std::endl;
    std::cout << "  Compiler  : " << getCompilerName() << std::endl;
    std::cout << "  Build     : ";
#if defined(DEBUG)
    std::cout << "Debug " << std::endl;
#else
    std::cout << "Release " << std::endl;
#endif
    std::cout << "  Platform  : " << getPlatformName() << std::endl;
    std::cout << "  CPU       : " << stringOfCPUModel(getCPUModel()) << " (" << getCPUVendor() << ")" << std::endl;
    std::cout << "   Threads  : " << getNumberOfLogicalThreads() << std::endl;
    std::cout << "   ISA      : " << stringOfCPUFeatures(cpu_features) << std::endl;
    std::cout << "   Targets  : " << supportedTargetList(cpu_features) << std::endl;
    const bool hasFTZ = _mm_getcsr() & _MM_FLUSH_ZERO_ON;
    const bool hasDAZ = _mm_getcsr() & _MM_DENORMALS_ZERO_ON;
    std::cout << "   MXCSR    : " << "FTZ=" << hasFTZ << ", DAZ=" << hasDAZ << std::endl;
    std::cout << "  Config" << std::endl;
    std::cout << "    Threads : " << (numThreads ? toString(numThreads) : std::string("default")) << std::endl;
    std::cout << "    ISA     : " << stringOfCPUFeatures(enabled_cpu_features) << std::endl;
    std::cout << "    Targets : " << supportedTargetList(enabled_cpu_features) << " (supported)" << std::endl;
    std::cout << "              " << getEnabledTargets() << " (compile time enabled)" << std::endl;
    std::cout << "    Features: " << getEmbreeFeatures() << std::endl;
    std::cout << "    Tasking : ";
#if defined(TASKING_TBB)
    std::cout << "TBB" << TBB_VERSION_MAJOR << "." << TBB_VERSION_MINOR << " ";
    std::cout << "TBB_header_interface_" << TBB_INTERFACE_VERSION << " TBB_lib_interface_" << tbb::TBB_runtime_interface_version() << " ";
#endif
#if defined(TASKING_INTERNAL)
    std::cout << "internal_tasking_system ";
#endif
#if defined(TASKING_PPL)
	std::cout << "PPL ";
#endif
    std::cout << std::endl;

    /* check of FTZ and DAZ flags are set in CSR */
    if (!hasFTZ || !hasDAZ) 
    {
#if !defined(_DEBUG)
      if (State::verbosity(1)) 
#endif
      {
        std::cout << std::endl;
        std::cout << "================================================================================" << std::endl;
        std::cout << "  WARNING: \"Flush to Zero\" or \"Denormals are Zero\" mode not enabled "         << std::endl 
                  << "           in the MXCSR control and status register. This can have a severe "     << std::endl
                  << "           performance impact. Please enable these modes for each application "   << std::endl
                  << "           thread the following way:" << std::endl
                  << std::endl 
                  << "           #include \"xmmintrin.h\"" << std::endl 
                  << "           #include \"pmmintrin.h\"" << std::endl 
                  << std::endl 
                  << "           _MM_SET_FLUSH_ZERO_MODE(_MM_FLUSH_ZERO_ON);" << std::endl 
                  << "           _MM_SET_DENORMALS_ZERO_MODE(_MM_DENORMALS_ZERO_ON);" << std::endl;
        std::cout << "================================================================================" << std::endl;
        std::cout << std::endl;
      }
    }
    std::cout << std::endl;
  }
Пример #2
0
static void kTermGetCpuVendor()
{
	print("\r\n");
	getCPUVendor();
}