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;
}
static void kTermGetCpuVendor()
{
print("\r\n");
getCPUVendor();
}