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