예제 #1
0
파일: bench-memset.c 프로젝트: kraj/glibc
static void
do_one_test (impl_t *impl, CHAR *s, int c __attribute ((unused)), size_t n)
{
  size_t i, iters = INNER_LOOP_ITERS;
  timing_t start, stop, cur;
  CHAR tstbuf[n];
#ifdef TEST_BZERO
  simple_bzero (tstbuf, n);
  CALL (impl, s, n);
  if (memcmp (s, tstbuf, n) != 0)
#else
  CHAR *res = CALL (impl, s, c, n);
  if (res != s
      || SIMPLE_MEMSET (tstbuf, c, n) != tstbuf
      || MEMCMP (s, tstbuf, n) != 0)
#endif /* !TEST_BZERO */
    {
      error (0, 0, "Wrong result in function %s", impl->name);
      ret = 1;
      return;
    }

  TIMING_NOW (start);
  for (i = 0; i < iters; ++i)
    {
#ifdef TEST_BZERO
      CALL (impl, s, n);
#else
      CALL (impl, s, c, n);
#endif /* !TEST_BZERO */
    }
  TIMING_NOW (stop);

  TIMING_DIFF (cur, start, stop);

  TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
예제 #2
0
static void
do_one_test (impl_t *impl, CHAR *s, int c __attribute ((unused)), size_t n)
{
  size_t i, iters = 16;
  timing_t start, stop, cur;
  CHAR *tstbuf = malloc (n * sizeof (*s));
  assert (tstbuf != NULL);

  /* Must clear the destination buffer updated by the previous run.  */
  for (i = 0; i < n; i++)
    s[i] = 0;

  CHAR *res = CALL (impl, s, c, n);
  if (res != s
      || SIMPLE_MEMSET (tstbuf, c, n) != tstbuf
      || MEMCMP (s, tstbuf, n) != 0)
    {
      error (0, 0, "Wrong result in function %s", impl->name);
      ret = 1;
      free (tstbuf);
      return;
    }

  TIMING_NOW (start);
  for (i = 0; i < iters; ++i)
    {
      CALL (impl, s, c, n);
    }
  TIMING_NOW (stop);

  TIMING_DIFF (cur, start, stop);

  TIMING_PRINT_MEAN ((double) cur, (double) iters);

  free (tstbuf);
}
예제 #3
0
파일: bench-memset.c 프로젝트: kraj/glibc
void
simple_bzero (char *s, size_t n)
{
  SIMPLE_MEMSET (s, 0, n);
}