public static double measureSOR(int N, double min_time, Random R)
{
double[][] G = kernel.RandomMatrix(N, N, R);
Stopwatch stopwatch = new Stopwatch();
int num_iterations = 40000;
stopwatch.start();
SOR.execute(1.25, G, num_iterations);
stopwatch.stop();
return(SOR.num_flops(N, N, num_iterations) / stopwatch.read() * 1E-06);
}
public static double measureSOR(int N, double min_time, Random R)
{
double[][] G = RandomMatrix(N, N, R);
Stopwatch Q = new Stopwatch();
int cycles = 1;
while (true)
{
Q.start();
SOR.execute(1.25, G, cycles);
Q.stop();
if (Q.read() >= min_time)
{
break;
}
cycles *= 2;
}
// approx Mflops
return(SOR.num_flops(N, N, cycles) / Q.read() * 1.0e-6);
}
public static double measureSOR(int N, double min_time, Random R)
{
double[][] G = RandomMatrix(N, N, R);
Stopwatch clock = new Stopwatch();
int cycles = 1;
while (true)
{
clock.Start();
SOR.execute(1.25, G, cycles);
clock.Stop();
if (clock.Elapsed.TotalSeconds >= min_time)
{
break;
}
cycles *= 2;
}
// approx Mflops
return(SOR.num_flops(N, N, cycles) / clock.Elapsed.TotalMilliseconds * 1.0e-3);
}