NuSiF-Solver/PoissonSolver/2D-seq/src/main.c

72 lines
1.9 KiB
C

/*
* Copyright (C) 2022 NHR@FAU, University Erlangen-Nuremberg.
* All rights reserved.
* Use of this source code is governed by a MIT-style
* license that can be found in the LICENSE file.
*/
#include <float.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "likwid-marker.h"
#include "parameter.h"
#include "solver.h"
#include "timing.h"
#define LIKWID_PROFILE(tag, call) \
startTime = getTimeStamp(); \
LIKWID_MARKER_START(#tag); \
call(&solver); \
LIKWID_MARKER_STOP(#tag); \
endTime = getTimeStamp();
enum VARIANT { SOR = 1, RB, RBA };
int main(int argc, char** argv)
{
int variant = SOR;
double startTime, endTime;
Parameter params;
Solver solver;
initParameter(&params);
LIKWID_MARKER_INIT;
if (argc < 2) {
printf("Usage: %s <configFile>\n", argv[0]);
exit(EXIT_SUCCESS);
}
readParameter(&params, argv[1]);
// printParameter(&params);
if (argc == 3) {
variant = atoi(argv[2]);
}
if (argc == 4) {
sscanf("%lf", argv[2], &params.omg);
sscanf("%lf", argv[2], &params.rho);
}
initSolver(&solver, &params, 2);
switch (variant) {
case SOR:
printf("Plain SOR\n");
LIKWID_PROFILE("SOR", solve);
break;
case RB:
printf("Red-black SOR\n");
LIKWID_PROFILE("RB", solveRB);
break;
case RBA:
printf("Red-black SOR with acceleration\n");
LIKWID_PROFILE("RBA", solveRBA);
break;
}
printf(" %.2fs\n", endTime - startTime);
// writeResult(&solver);
LIKWID_MARKER_CLOSE;
return EXIT_SUCCESS;
}