Commit 7eb5901f authored by Simon Spannagel's avatar Simon Spannagel
Browse files

allpix exec: add CPU id info

parent 95e86259

src/exec/allpix.cpp

+20 −0
Original line number Diff line number Diff line
@@ -10,6 +10,7 @@ 
 */



#include <atomic>

#include <cpuid.h>

#include <csignal>

#include <cstdlib>

#include <fstream>
@@ -124,6 +125,25 @@ int main(int argc, const char* argv[]) { 
#ifdef ALLPIX_GEANT4_AVAILABLE

            std::cout << "                     Geant4 " << G4VERSION_NUMBER << std::endl;

#endif



            char cpu_string[0x40];

            unsigned int cpu_info[4] = {0, 0, 0, 0};

            __cpuid(0x80000000, cpu_info[0], cpu_info[1], cpu_info[2], cpu_info[3]);

            unsigned int n_ex_ids = cpu_info[0];

            memset(cpu_string, 0, sizeof(cpu_string));

            for(unsigned int j = 0x80000000; j <= n_ex_ids; ++j) {

                __cpuid(j, cpu_info[0], cpu_info[1], cpu_info[2], cpu_info[3]);

                if(j == 0x80000002) {

                    memcpy(cpu_string, cpu_info, sizeof(cpu_info));

                } else if(j == 0x80000003) {

                    memcpy(cpu_string + 16, cpu_info, sizeof(cpu_info));

                } else if(j == 0x80000004) {

                    memcpy(cpu_string + 32, cpu_info, sizeof(cpu_info));

                }

            }

            std::cout << "               running on " << std::thread::hardware_concurrency() << "x " << cpu_string

                      << std::endl;



            std::cout << std::endl;

            std::cout << "Copyright (c) 2016-2022 CERN and the Allpix Squared authors." << std::endl << std::endl;

            std::cout << "This software is distributed under the terms of the MIT License." << std::endl;