#include <stdio.h>
#include <math.h>
#include <cstdlib>
static void fn()
{
}
int main(int argc, char ** argv)
{
double peak = 0;
try {
int device = argc > 1 ? atoi(argv[1]) : 0;
setDevice(device);
info();
printf("Benchmark N-by-N matrix multiply\n");
for (int n = 128; n <= 2048; n += 128) {
printf("%4d x %4d: ", n, n);
A = constant(1,n,n);
double time = timeit(fn);
double gflops = 2.0 * powf(n,3) / (time * 1e9);
if (gflops > peak)
peak = gflops;
printf(" %4.0f Gflops\n", gflops);
fflush(stdout);
}
fprintf(stderr,
"%s\n", e.
what());
throw;
}
printf(" ### peak %g GFLOPS\n", peak);
return 0;
}
A multi dimensional data container.
Definition array.h:27
Definition exception.h:20
virtual const char * what() const
Definition exception.h:34
void eval() const
Evaluate any JIT expressions to generate data for the array.
Definition algorithm.h:15