mirror of
https://github.com/paboyle/Grid.git
synced 2024-09-20 09:15:38 +01:00
337 lines
12 KiB
C++
337 lines
12 KiB
C++
/*************************************************************************************
|
|
|
|
Grid physics library, www.github.com/paboyle/Grid
|
|
|
|
Source file: ./lib/Init.cc
|
|
|
|
Copyright (C) 2015
|
|
|
|
Author: Azusa Yamaguchi <ayamaguc@staffmail.ed.ac.uk>
|
|
Author: Peter Boyle <paboyle@ph.ed.ac.uk>
|
|
Author: Peter Boyle <peterboyle@MacBook-Pro.local>
|
|
Author: paboyle <paboyle@ph.ed.ac.uk>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License along
|
|
with this program; if not, write to the Free Software Foundation, Inc.,
|
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
|
See the full license in the file "LICENSE" in the top level distribution directory
|
|
*************************************************************************************/
|
|
/* END LEGAL */
|
|
/****************************************************************************/
|
|
/* pab: Signal magic. Processor state dump is x86-64 specific */
|
|
/****************************************************************************/
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <unistd.h>
|
|
#include <sys/mman.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/time.h>
|
|
#include <signal.h>
|
|
#include <iostream>
|
|
#include <iterator>
|
|
#include <Grid.h>
|
|
#include <algorithm>
|
|
#include <iterator>
|
|
|
|
namespace Grid {
|
|
|
|
//////////////////////////////////////////////////////
|
|
// Convenience functions to access stadard command line arg
|
|
// driven parallelism controls
|
|
//////////////////////////////////////////////////////
|
|
static std::vector<int> Grid_default_latt;
|
|
static std::vector<int> Grid_default_mpi;
|
|
|
|
int GridThread::_threads =1;
|
|
int GridThread::_hyperthreads=1;
|
|
int GridThread::_cores=1;
|
|
|
|
const std::vector<int> &GridDefaultLatt(void) {return Grid_default_latt;};
|
|
const std::vector<int> &GridDefaultMpi(void) {return Grid_default_mpi;};
|
|
const std::vector<int> GridDefaultSimd(int dims,int nsimd)
|
|
{
|
|
std::vector<int> layout(dims);
|
|
int nn=nsimd;
|
|
for(int d=dims-1;d>=0;d--){
|
|
if ( nn>=2) {
|
|
layout[d]=2;
|
|
nn/=2;
|
|
} else {
|
|
layout[d]=1;
|
|
}
|
|
}
|
|
assert(nn==1);
|
|
return layout;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////
|
|
// Command line parsing assist for stock controls
|
|
////////////////////////////////////////////////////////////
|
|
std::string GridCmdOptionPayload(char ** begin, char ** end, const std::string & option)
|
|
{
|
|
char ** itr = std::find(begin, end, option);
|
|
if (itr != end && ++itr != end) {
|
|
std::string payload(*itr);
|
|
return payload;
|
|
}
|
|
return std::string("");
|
|
}
|
|
bool GridCmdOptionExists(char** begin, char** end, const std::string& option)
|
|
{
|
|
return std::find(begin, end, option) != end;
|
|
}
|
|
// Comma separated list
|
|
void GridCmdOptionCSL(std::string str,std::vector<std::string> & vec)
|
|
{
|
|
size_t pos = 0;
|
|
std::string token;
|
|
std::string delimiter(",");
|
|
|
|
vec.resize(0);
|
|
while ((pos = str.find(delimiter)) != std::string::npos) {
|
|
token = str.substr(0, pos);
|
|
vec.push_back(token);
|
|
str.erase(0, pos + delimiter.length());
|
|
}
|
|
token = str;
|
|
vec.push_back(token);
|
|
return;
|
|
}
|
|
|
|
void GridCmdOptionIntVector(std::string &str,std::vector<int> & vec)
|
|
{
|
|
vec.resize(0);
|
|
std::stringstream ss(str);
|
|
int i;
|
|
while (ss >> i){
|
|
vec.push_back(i);
|
|
if(std::ispunct(ss.peek()))
|
|
ss.ignore();
|
|
}
|
|
return;
|
|
}
|
|
|
|
|
|
void GridParseLayout(char **argv,int argc,
|
|
std::vector<int> &latt,
|
|
std::vector<int> &mpi)
|
|
{
|
|
mpi =std::vector<int>({1,1,1,1});
|
|
latt=std::vector<int>({8,8,8,8});
|
|
|
|
GridThread::SetMaxThreads();
|
|
|
|
std::string arg;
|
|
if( GridCmdOptionExists(argv,argv+argc,"--mpi") ){
|
|
arg = GridCmdOptionPayload(argv,argv+argc,"--mpi");
|
|
GridCmdOptionIntVector(arg,mpi);
|
|
}
|
|
if( GridCmdOptionExists(argv,argv+argc,"--grid") ){
|
|
arg= GridCmdOptionPayload(argv,argv+argc,"--grid");
|
|
GridCmdOptionIntVector(arg,latt);
|
|
}
|
|
if( GridCmdOptionExists(argv,argv+argc,"--threads") ){
|
|
std::vector<int> ompthreads(0);
|
|
#ifndef GRID_OMP
|
|
std::cout << GridLogWarning << "'--threads' option used but Grid was"
|
|
<< " not compiled with thread support" << std::endl;
|
|
#endif
|
|
arg= GridCmdOptionPayload(argv,argv+argc,"--threads");
|
|
GridCmdOptionIntVector(arg,ompthreads);
|
|
assert(ompthreads.size()==1);
|
|
GridThread::SetThreads(ompthreads[0]);
|
|
}
|
|
if( GridCmdOptionExists(argv,argv+argc,"--cores") ){
|
|
std::vector<int> cores(0);
|
|
arg= GridCmdOptionPayload(argv,argv+argc,"--cores");
|
|
GridCmdOptionIntVector(arg,cores);
|
|
GridThread::SetCores(cores[0]);
|
|
}
|
|
|
|
}
|
|
|
|
std::string GridCmdVectorIntToString(const std::vector<int> & vec){
|
|
std::ostringstream oss;
|
|
std::copy(vec.begin(), vec.end(),std::ostream_iterator<int>(oss, " "));
|
|
return oss.str();
|
|
}
|
|
/////////////////////////////////////////////////////////
|
|
//
|
|
/////////////////////////////////////////////////////////
|
|
void Grid_init(int *argc,char ***argv)
|
|
{
|
|
CartesianCommunicator::Init(argc,argv);
|
|
|
|
// Parse command line args.
|
|
|
|
GridLogger::StopWatch.Start();
|
|
|
|
std::string arg;
|
|
std::vector<std::string> logstreams;
|
|
std::string defaultLog("Error,Warning,Message,Performance");
|
|
|
|
GridCmdOptionCSL(defaultLog,logstreams);
|
|
GridLogConfigure(logstreams);
|
|
|
|
if( GridCmdOptionExists(*argv,*argv+*argc,"--help") ){
|
|
std::cout<<GridLogMessage<<"--help : this message"<<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<<"--decomposition : report on default omp,mpi and simd decomposition"<<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<<"--log list : comma separted list of streams from Error,Warning,Message,Performance,Iterative,Integrator,Debug"<<std::endl;
|
|
exit(EXIT_SUCCESS);
|
|
}
|
|
|
|
if( GridCmdOptionExists(*argv,*argv+*argc,"--log") ){
|
|
arg = GridCmdOptionPayload(*argv,*argv+*argc,"--log");
|
|
GridCmdOptionCSL(arg,logstreams);
|
|
GridLogConfigure(logstreams);
|
|
}
|
|
|
|
|
|
if( GridCmdOptionExists(*argv,*argv+*argc,"--debug-signals") ){
|
|
Grid_debug_handler_init();
|
|
}
|
|
if( !GridCmdOptionExists(*argv,*argv+*argc,"--debug-stdout") ){
|
|
Grid_quiesce_nodes();
|
|
}
|
|
if( GridCmdOptionExists(*argv,*argv+*argc,"--dslash-opt") ){
|
|
QCD::WilsonKernelsStatic::HandOpt=1;
|
|
}
|
|
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);
|
|
}
|
|
GridParseLayout(*argv,*argc,
|
|
Grid_default_latt,
|
|
Grid_default_mpi);
|
|
if( GridCmdOptionExists(*argv,*argv+*argc,"--decomposition") ){
|
|
std::cout<<GridLogMessage<<"Grid Decomposition\n";
|
|
std::cout<<GridLogMessage<<"\tOpenMP threads : "<<GridThread::GetThreads()<<std::endl;
|
|
std::cout<<GridLogMessage<<"\tMPI tasks : "<<GridCmdVectorIntToString(GridDefaultMpi())<<std::endl;
|
|
std::cout<<GridLogMessage<<"\tvRealF : "<<sizeof(vRealF)*8 <<"bits ; " <<GridCmdVectorIntToString(GridDefaultSimd(4,vRealF::Nsimd()))<<std::endl;
|
|
std::cout<<GridLogMessage<<"\tvRealD : "<<sizeof(vRealD)*8 <<"bits ; " <<GridCmdVectorIntToString(GridDefaultSimd(4,vRealD::Nsimd()))<<std::endl;
|
|
std::cout<<GridLogMessage<<"\tvComplexF : "<<sizeof(vComplexF)*8 <<"bits ; " <<GridCmdVectorIntToString(GridDefaultSimd(4,vComplexF::Nsimd()))<<std::endl;
|
|
std::cout<<GridLogMessage<<"\tvComplexD : "<<sizeof(vComplexD)*8 <<"bits ; " <<GridCmdVectorIntToString(GridDefaultSimd(4,vComplexD::Nsimd()))<<std::endl;
|
|
}
|
|
|
|
std::cout <<std::endl;
|
|
std::cout << "__|__|__|__|__|__|__|__|__|__|__|__|__|__|__"<<std::endl;
|
|
std::cout << "__|__|__|__|__|__|__|__|__|__|__|__|__|__|__"<<std::endl;
|
|
std::cout << "__|_ | | | | | | | | | | | | _|__"<<std::endl;
|
|
std::cout << "__|_ _|__"<<std::endl;
|
|
std::cout << "__|_ GGGG RRRR III DDDD _|__"<<std::endl;
|
|
std::cout << "__|_ G R R I D D _|__"<<std::endl;
|
|
std::cout << "__|_ G R R I D D _|__"<<std::endl;
|
|
std::cout << "__|_ G GG RRRR I D D _|__"<<std::endl;
|
|
std::cout << "__|_ G G R R I D D _|__"<<std::endl;
|
|
std::cout << "__|_ GGGG R R III DDDD _|__"<<std::endl;
|
|
std::cout << "__|_ _|__"<<std::endl;
|
|
std::cout << "__|__|__|__|__|__|__|__|__|__|__|__|__|__|__"<<std::endl;
|
|
std::cout << "__|__|__|__|__|__|__|__|__|__|__|__|__|__|__"<<std::endl;
|
|
std::cout << " | | | | | | | | | | | | | | "<<std::endl;
|
|
std::cout << std::endl;
|
|
std::cout << std::endl;
|
|
std::cout << std::endl;
|
|
std::cout << "Copyright (C) 2015 Peter Boyle, Azusa Yamaguchi, Guido Cossu, Antonin Portelli and other authors"<<std::endl;
|
|
std::cout << std::endl;
|
|
std::cout << "This program is free software; you can redistribute it and/or modify"<<std::endl;
|
|
std::cout << "it under the terms of the GNU General Public License as published by"<<std::endl;
|
|
std::cout << "the Free Software Foundation; either version 2 of the License, or"<<std::endl;
|
|
std::cout << "(at your option) any later version."<<std::endl;
|
|
std::cout << std::endl;
|
|
std::cout << "This program is distributed in the hope that it will be useful,"<<std::endl;
|
|
std::cout << "but WITHOUT ANY WARRANTY; without even the implied warranty of"<<std::endl;
|
|
std::cout << "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the"<<std::endl;
|
|
std::cout << "GNU General Public License for more details."<<std::endl;
|
|
std::cout << std::endl;
|
|
}
|
|
|
|
|
|
void Grid_finalize(void)
|
|
{
|
|
#ifdef GRID_COMMS_MPI
|
|
MPI_Finalize();
|
|
Grid_unquiesce_nodes();
|
|
#endif
|
|
}
|
|
|
|
void * Grid_backtrace_buffer[_NBACKTRACE];
|
|
|
|
void Grid_sa_signal_handler(int sig,siginfo_t *si,void * ptr)
|
|
{
|
|
printf("Caught signal %d\n",si->si_signo);
|
|
printf(" mem address %llx\n",(unsigned long long)si->si_addr);
|
|
printf(" code %d\n",si->si_code);
|
|
|
|
// Linux/Posix
|
|
#ifdef __linux__
|
|
// And x86 64bit
|
|
#ifdef __x86_64__
|
|
ucontext_t * uc= (ucontext_t *)ptr;
|
|
struct sigcontext *sc = (struct sigcontext *)&uc->uc_mcontext;
|
|
printf(" instruction %llx\n",(unsigned long long)sc->rip);
|
|
#define REG(A) printf(" %s %lx\n",#A,sc-> A);
|
|
REG(rdi);
|
|
REG(rsi);
|
|
REG(rbp);
|
|
REG(rbx);
|
|
REG(rdx);
|
|
REG(rax);
|
|
REG(rcx);
|
|
REG(rsp);
|
|
REG(rip);
|
|
|
|
|
|
REG(r8);
|
|
REG(r9);
|
|
REG(r10);
|
|
REG(r11);
|
|
REG(r12);
|
|
REG(r13);
|
|
REG(r14);
|
|
REG(r15);
|
|
#endif
|
|
#endif
|
|
BACKTRACE();
|
|
exit(0);
|
|
return;
|
|
};
|
|
#ifdef GRID_FPE
|
|
#define _GNU_SOURCE
|
|
#include <fenv.h>
|
|
#endif
|
|
void Grid_debug_handler_init(void)
|
|
{
|
|
struct sigaction sa,osa;
|
|
sigemptyset (&sa.sa_mask);
|
|
sa.sa_sigaction= Grid_sa_signal_handler;
|
|
sa.sa_flags = SA_SIGINFO;
|
|
sigaction(SIGSEGV,&sa,NULL);
|
|
sigaction(SIGTRAP,&sa,NULL);
|
|
#ifdef GRID_FPE
|
|
feenableexcept( FE_INVALID|FE_OVERFLOW|FE_DIVBYZERO);
|
|
sigaction(SIGFPE,&sa,NULL);
|
|
#endif
|
|
}
|
|
}
|