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gridweaver.cpp
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gridweaver.cpp
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/******************************************************************************
* GRIDGEN: Grid Generating Compiler
* By: Andy Stone (aistone@gmail.com)
* (C) Copyright 2011 Colorado State University
*****************************************************************************/
#include <iostream>
#include <string>
#include <rose.h>
#include <getopt.h>
#include "environment.hpp"
#include "error.hpp"
#include "utils.hpp"
#include "svgprinter.hpp"
#include "cellfieldpicture.hpp"
#include "vispage.hpp"
#include "binIO.hpp"
#include "runtimewrapper.hpp"
#include "analyses.hpp"
#include "codegen.hpp"
#include <mpi.h>
using namespace std;
#define VERSION_MAJOR 0
#define VERSION_MINOR 1
void runScratchCode();
/***
* Debugging options:
*
* all: All modules
* environment: Environment module
* wrapper: Fortran to C++ wrapper
*/
// Command line options (see GNU getlongopt for more info).
static struct option options[] = {
{ "version", no_argument, 0, 'v'},
{ "help", no_argument, 0, 'h'},
// We have a terminator option so that when iterating through this array
// we know when to stop.
{(const char*)NULL, 0, 0, '\0'}
};
/**
* Print usage information about gridweaver to the console.
*/
void usage() {
cout << "gridweaver opts" << endl;
}
/**
* Print the current version of GridWeaver to the console. This message is
* displayed when the -v command line flag is passed to gridweaver.
*/
void version() {
cout << "GridWeaver semi-regular grid computation compiler: version "
<< VERSION_MAJOR << "." << VERSION_MINOR << endl;
}
/**
* Print help message to the console. This message is displayed when the -h
* command line flag is passed to gridweaver.
*/
void help() {
usage();
cout << "Options:";
for(int i = 0; ; i++) {
if(options[i].name == (const char*)NULL) break;
cout << " " << options[i].name;
}
cout << endl;
}
/**
* Run any initialization code that exists for every module.
*/
void initializeModules() {
initializeModule_error();
initializeModule_iprintable();
initializeModule_svgprinter();
initializeModule_cellfieldpicture();
initializeModule_vispage();
initializeModule_binio();
initializeModule_utils();
initializeModule_grid();
initializeModule_environment();
initializeModule_distribution();
initializeModule_schedule();
initializeModule_runtimewrapper();
}
/**
* Initialize MPI
*/
void initializeMPI(int *argc, char **argv[]) {
int err;
err = MPI_Init(argc, argv);
if (err != MPI_SUCCESS) {
printf("Error starting MPI program. Terminating.\n");
MPI_Abort(MPI_COMM_WORLD, err);
}
MPI_Barrier(MPI_COMM_WORLD);
}
/**
* GridWeaver begins execution here. Read in command line arguments and
* execute the appropriate subprogram.
*/
int main(int argc, char *argv[]) {
SgProject *proj = NULL;
// Initialization
initializeMPI(&argc, &argv);
initializeModules();
runScratchCode();
// Only have the master process execute
if(myRank() == 0) {
// Read in and respond to command line arguments
int optIdx = 0;
char opt;
while((opt = getopt_long(argc, argv, "vh12",
options, &optIdx)) != -1)
{
switch(opt) {
case 'v':
version();
break;
case 'h':
help();
break;
}
}
// Copy non argopt params into their own
cout << "Count is: " << argc << endl;
for(int i = optind; i < argc; i++) {
cout << argv[i] << endl;
}
// Analyze the program, extract calls
proj = frontend(argc, argv);
CallsAnalysis analysis;
analysis.analyze(proj);
//analysis.print(cout);
Environment::print(cout);
CodeGen gen(&analysis);
gen.apply();
}
MPI_Barrier(MPI_COMM_WORLD);
MPI_Finalize();
if(proj != NULL) {
proj->unparse();
}
return 1;
}
/**
* This function is for temporary scratch code that will be executed at the
* start.
*/
void runScratchCode() {
/*int nProcs = 4;
int n = 10;
int blkW = 5; int blkH = 5;
Neighbor *neigh_n = Environment::newNeighbor("neigh_n");
neigh_n->set(0, 1);
Neighbor *neigh_ne = Environment::newNeighbor("neigh_ne");
neigh_ne->set(1, 1);
Neighbor *neigh_e = Environment::newNeighbor("neigh_e");
neigh_e->set(1, 0);
Neighbor *neigh_se = Environment::newNeighbor("neigh_se");
neigh_se->set(1, -1);
Neighbor *neigh_s = Environment::newNeighbor("neigh_s");
neigh_s->set(0, -1);
Neighbor *neigh_sw = Environment::newNeighbor("neigh_sw");
neigh_sw->set(-1,-1);
Neighbor *neigh_w = Environment::newNeighbor("neigh_w");
neigh_w->set(-1, 0);
Neighbor *neigh_nw = Environment::newNeighbor("neigh_nw");
neigh_nw->set(-1, 1);
Subgrid *sgA = Environment::newSubgrid("sgA"); sgA->setExtents(n, n);
Grid *g = Environment::newGrid("g");
g->addSubgrid(sgA);
Distribution *dist = Environment::newDistribution("dist");
dist->applyFillBlock(g, 4, 2);
//dist->visualize("dist");
Schedule *sched = Environment::newSchedule("sched");
sched->calculate(g, dist);
Environment::print(cout);*/
}