TFG-benchmarks/zfhmin_micro/zfhmin.c

#include <math.h>
#include <stdint.h>

#define N 10

static inline uint64_t read_cycles() {
    uint64_t start;
    asm volatile ("rdcycle %0" : "=r"(start));
    return start;
}

int main() {
  // fcvt.s.h

  volatile float b;
  volatile _Float16 d;
  volatile double e;
  volatile _Float16 g;

  volatile _Float16 a = 3.0f;

  read_cycles();
  for (int i = 0; i < N; i++) {
    b = (float) a;
  }
  read_cycles();

  // fcvt.h.s

  volatile float c = 3.0f;

  read_cycles();
  for (int i = 0; i < N; i++) {
    d = (_Float16) c;
  }
  read_cycles();

  // fcvt.d.h

  read_cycles();
  for (int i = 0; i < N; i++) {
    double e = (double) a;
  }
  read_cycles();

  // fcvt.h.d

  volatile double f = 3.0f;

  read_cycles();
  for (int i = 0; i < N; i++) {
    g = (_Float16) f;
  }
  read_cycles();

  return 0;
}