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Gparity DWF+I HMC main program now has option to specify parameter file

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This commit is contained in:
Christopher Kelly 2021-01-27 11:18:41 -05:00
parent d10d0c4e7f
commit e6c6f82c52
1 changed files with 15 additions and 6 deletions
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21
HMC/DWF2p1fIwasakiGparity.cc
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@ -100,17 +100,26 @@ int main(int argc, char **argv) {
// here make a routine to print all the relevant information on the run
std::cout << GridLogMessage << "Grid is setup to use " << threads << " threads" << std::endl;
std::string param_file = "params.xml";
for(int i=1;i<argc;i++){
if(std::string(argv[i]) == "--param_file"){
assert(i!=argc-1);
param_file = argv[i+1];
break;
}
}
//Read the user parameters
EvolParameters user_params;
if(fileExists("params.xml")){
std::cout << GridLogMessage << " Reading params.xml" << std::endl;
Grid::XmlReader rd("params.xml");
if(fileExists(param_file)){
std::cout << GridLogMessage << " Reading " << param_file << std::endl;
Grid::XmlReader rd(param_file);
read(rd, "Params", user_params);
}else if(!GlobalSharedMemory::WorldRank){
std::cout << GridLogMessage << " File params.xml does not exist" << std::endl;
std::cout << GridLogMessage << " Writing xml template to params.xml.templ" << std::endl;
Grid::XmlWriter wr("params.xml.templ");
std::cout << GridLogMessage << " File " << param_file << " does not exist" << std::endl;
std::cout << GridLogMessage << " Writing xml template to " << param_file << ".templ" << std::endl;
Grid::XmlWriter wr(param_file + ".templ");
write(wr, "Params", user_params);
std::cout << GridLogMessage << " Done" << std::endl;