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/* not worth copyrighting */
#include "libbench2/bench.h"
#include <math.h>
double mflops(const bench_problem *p, double t)
{
size_t size = tensor_sz(p->sz);
size_t vsize = tensor_sz(p->vecsz);
if (size <= 1) /* a copy: just return reals copied / time */
switch (p->kind) {
case PROBLEM_COMPLEX:
return (2.0 * size * vsize / (t * 1.0e6));
case PROBLEM_REAL:
case PROBLEM_R2R:
return (1.0 * size * vsize / (t * 1.0e6));
}
switch (p->kind) {
case PROBLEM_COMPLEX:
return (5.0 * size * vsize * log((double)size) /
(log(2.0) * t * 1.0e6));
case PROBLEM_REAL:
case PROBLEM_R2R:
return (2.5 * vsize * size * log((double) size) /
(log(2.0) * t * 1.0e6));
}
BENCH_ASSERT(0 /* can't happen */);
return 0.0;
}
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