sv-dependency-builds: src/fftw-3.3.5/libbench2/mflops.c annotate

Add null config files

rev	line source
Chris@42	1 /* not worth copyrighting */
Chris@42	2
Chris@42	3 #include "bench.h"
Chris@42	4 #include <math.h>
Chris@42	5
Chris@42	6 double mflops(const bench_problem *p, double t)
Chris@42	7 {
Chris@42	8 int size = tensor_sz(p->sz);
Chris@42	9 int vsize = tensor_sz(p->vecsz);
Chris@42	10
Chris@42	11 if (size <= 1) /* a copy: just return reals copied / time */
Chris@42	12 switch (p->kind) {
Chris@42	13 case PROBLEM_COMPLEX:
Chris@42	14 return (2.0 * size * vsize / (t * 1.0e6));
Chris@42	15 case PROBLEM_REAL:
Chris@42	16 case PROBLEM_R2R:
Chris@42	17 return (1.0 * size * vsize / (t * 1.0e6));
Chris@42	18 }
Chris@42	19
Chris@42	20 switch (p->kind) {
Chris@42	21 case PROBLEM_COMPLEX:
Chris@42	22 return (5.0 * size * vsize * log((double)size) /
Chris@42	23 (log(2.0) * t * 1.0e6));
Chris@42	24 case PROBLEM_REAL:
Chris@42	25 case PROBLEM_R2R:
Chris@42	26 return (2.5 * vsize * size * log((double) size) /
Chris@42	27 (log(2.0) * t * 1.0e6));
Chris@42	28 }
Chris@42	29 BENCH_ASSERT(0 /* can't happen */);
Chris@42	30 return 0.0;
Chris@42	31 }
Chris@42	32

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