Chris@82: /* not worth copyrighting */
Chris@82: 
Chris@82: #include "libbench2/bench.h"
Chris@82: #include <math.h>
Chris@82: 
Chris@82: double mflops(const bench_problem *p, double t)
Chris@82: {
Chris@82:      size_t size = tensor_sz(p->sz);
Chris@82:      size_t vsize = tensor_sz(p->vecsz);
Chris@82: 
Chris@82:      if (size <= 1) /* a copy: just return reals copied / time */
Chris@82: 	  switch (p->kind) {
Chris@82: 	      case PROBLEM_COMPLEX:
Chris@82: 		   return (2.0 * size * vsize / (t * 1.0e6));
Chris@82: 	      case PROBLEM_REAL:
Chris@82: 	      case PROBLEM_R2R:
Chris@82: 		   return (1.0 * size * vsize / (t * 1.0e6));
Chris@82: 	  }
Chris@82: 
Chris@82:      switch (p->kind) {
Chris@82: 	 case PROBLEM_COMPLEX:
Chris@82: 	      return (5.0 * size * vsize * log((double)size) / 
Chris@82: 		      (log(2.0) * t * 1.0e6));
Chris@82: 	 case PROBLEM_REAL:
Chris@82: 	 case PROBLEM_R2R:
Chris@82: 	      return (2.5 * vsize * size * log((double) size) / 
Chris@82: 		      (log(2.0) * t * 1.0e6));
Chris@82:      }
Chris@82:      BENCH_ASSERT(0 /* can't happen */);
Chris@82:      return 0.0;
Chris@82: }
Chris@82: