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Optimisation control improvements

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This commit is contained in:
paboyle
2017-02-10 18:22:31 -05:00
parent 2c246551d0
commit aca7a3ef0a
3 changed files with 20 additions and 40 deletions
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24
lib/Init.cc
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@ -294,34 +294,40 @@ void Grid_init(int *argc,char ***argv)
std::cout<<GridLogMessage<<" --help : this message"<<std::endl;
std::cout<<GridLogMessage<<std::endl;
std::cout<<GridLogMessage<<"Geometry:"<<std::endl;
std::cout<<GridLogMessage<<std::endl;
std::cout<<GridLogMessage<<" --mpi n.n.n.n : default MPI decomposition"<<std::endl;
std::cout<<GridLogMessage<<" --threads n : default number of OMP threads"<<std::endl;
std::cout<<GridLogMessage<<" --grid n.n.n.n : default Grid size"<<std::endl;
std::cout<<GridLogMessage<<" --shm M : allocate M megabytes of shared memory for comms"<<std::endl;
std::cout<<GridLogMessage<<std::endl;
std::cout<<GridLogMessage<<"Verbose and debug:"<<std::endl;
std::cout<<GridLogMessage<<" --log list : comma separted list of streams from Error,Warning,Message,Performance,Iterative,Integrator,Debug,Colours"<<std::endl;
std::cout<<GridLogMessage<<std::endl;
std::cout<<GridLogMessage<<" --log list : comma separated list from Error,Warning,Message,Performance,Iterative,Integrator,Debug,Colours"<<std::endl;
std::cout<<GridLogMessage<<" --decomposition : report on default omp,mpi and simd decomposition"<<std::endl;
std::cout<<GridLogMessage<<" --debug-signals : catch sigsegv and print a blame report"<<std::endl;
std::cout<<GridLogMessage<<" --debug-stdout : print stdout from EVERY node"<<std::endl;
std::cout<<GridLogMessage<<" --notimestamp : suppress millisecond resolution stamps"<<std::endl;
std::cout<<GridLogMessage<<std::endl;
std::cout<<GridLogMessage<<"Performance:"<<std::endl;
std::cout<<GridLogMessage<<std::endl;
std::cout<<GridLogMessage<<" --comms-isend : Asynchronous MPI calls; several dirs at a time "<<std::endl;
std::cout<<GridLogMessage<<" --comms-sendrecv: Synchronous MPI calls; one dirs at a time "<<std::endl;
std::cout<<GridLogMessage<<" --comms-overlap : Overlap comms with compute "<<std::endl;
std::cout<<GridLogMessage<<std::endl;
std::cout<<GridLogMessage<<" --dslash-generic: Wilson kernel for generic Nc"<<std::endl;
std::cout<<GridLogMessage<<" --dslash-unroll : Wilson kernel for Nc=3"<<std::endl;
std::cout<<GridLogMessage<<" --dslash-asm : Wilson kernel for AVX512"<<std::endl;
std::cout<<GridLogMessage<<std::endl;
std::cout<<GridLogMessage<<" --lebesgue : Cache oblivious Lebesgue curve/Morton order/Z-graph stencil looping"<<std::endl;
std::cout<<GridLogMessage<<" --cacheblocking n.m.o.p : Hypercuboidal cache blocking"<<std::endl;
std::cout<<GridLogMessage<<std::endl;
exit(EXIT_SUCCESS);
}
////////////////////////////////////
// Debug and performance options
////////////////////////////////////
if( GridCmdOptionExists(*argv,*argv+*argc,"--dslash-unroll") ){
QCD::WilsonKernelsStatic::Opt=QCD::WilsonKernelsStatic::OptHandUnroll;
}
@ -331,11 +337,21 @@ void Grid_init(int *argc,char ***argv)
if( GridCmdOptionExists(*argv,*argv+*argc,"--dslash-generic") ){
QCD::WilsonKernelsStatic::Opt=QCD::WilsonKernelsStatic::OptGeneric;
}
if( GridCmdOptionExists(*argv,*argv+*argc,"--comms-overlap") ){
WilsonKernelsStatic::Comms = WilsonKernelsStatic::CommsAndCompute;
} else {
WilsonKernelsStatic::Comms = WilsonKernelsStatic::CommsThenCompute;
}
if( GridCmdOptionExists(*argv,*argv+*argc,"--comms-isend") ){
CartesianCommunicator::SetCommunicatorPolicy(CartesianCommunicator::CommunicatorPolicyIsend);
}
if( GridCmdOptionExists(*argv,*argv+*argc,"--comms-sendrecv") ){
CartesianCommunicator::SetCommunicatorPolicy(CartesianCommunicator::CommunicatorPolicySendrecv);
}
if( GridCmdOptionExists(*argv,*argv+*argc,"--lebesgue") ){
LebesgueOrder::UseLebesgueOrder=1;
}
if( GridCmdOptionExists(*argv,*argv+*argc,"--cacheblocking") ){
arg= GridCmdOptionPayload(*argv,*argv+*argc,"--cacheblocking");
GridCmdOptionIntVector(arg,LebesgueOrder::Block);