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/* Test that all loop iterations are touched. This doesn't verify
scheduling order, merely coverage. */
/* { dg-require-effective-target sync_int_long } */
#include <omp.h>
#include <string.h>
#include <assert.h>
#include "libgomp_g.h"
#define N 10000
static int S, E, INCR, CHUNK, NTHR;
static int data[N];
static void clean_data (void)
{
memset (data, -1, sizeof (data));
}
static void test_data (void)
{
int i, j;
for (i = 0; i < S; ++i)
assert (data[i] == -1);
for (j = 0; i < E; ++i, j = (j + 1) % INCR)
if (j == 0)
assert (data[i] != -1);
else
assert (data[i] == -1);
for (; i < N; ++i)
assert (data[i] == -1);
}
static void set_data (long i, int val)
{
int old;
assert (i >= 0 && i < N);
old = __sync_lock_test_and_set (data+i, val);
assert (old == -1);
}
#define TMPL_1(sched) \
static void f_##sched##_1 (void *dummy) \
{ \
int iam = omp_get_thread_num (); \
long s0, e0, i; \
if (GOMP_loop_##sched##_start (S, E, INCR, CHUNK, &s0, &e0)) \
do \
{ \
for (i = s0; i < e0; i += INCR) \
set_data (i, iam); \
} \
while (GOMP_loop_##sched##_next (&s0, &e0)); \
GOMP_loop_end (); \
} \
static void t_##sched##_1 (void) \
{ \
clean_data (); \
GOMP_parallel_start (f_##sched##_1, NULL, NTHR); \
f_##sched##_1 (NULL); \
GOMP_parallel_end (); \
test_data (); \
}
TMPL_1(static)
TMPL_1(dynamic)
TMPL_1(guided)
#define TMPL_2(sched) \
static void f_##sched##_2 (void *dummy) \
{ \
int iam = omp_get_thread_num (); \
long s0, e0, i; \
while (GOMP_loop_##sched##_next (&s0, &e0)) \
{ \
for (i = s0; i < e0; i += INCR) \
set_data (i, iam); \
} \
GOMP_loop_end_nowait (); \
} \
static void t_##sched##_2 (void) \
{ \
clean_data (); \
GOMP_parallel_loop_##sched##_start \
(f_##sched##_2, NULL, NTHR, S, E, INCR, CHUNK); \
f_##sched##_2 (NULL); \
GOMP_parallel_end (); \
test_data (); \
}
TMPL_2(static)
TMPL_2(dynamic)
TMPL_2(guided)
static void test (void)
{
t_static_1 ();
t_dynamic_1 ();
t_guided_1 ();
t_static_2 ();
t_dynamic_2 ();
t_guided_2 ();
}
int main()
{
omp_set_dynamic (0);
NTHR = 4;
S = 0, E = N, INCR = 1, CHUNK = 4;
test ();
S = 0, E = N, INCR = 2, CHUNK = 4;
test ();
S = 1, E = N-1, INCR = 1, CHUNK = 5;
test ();
S = 1, E = N-1, INCR = 2, CHUNK = 5;
test ();
S = 2, E = 4, INCR = 1, CHUNK = 1;
test ();
S = 0, E = N, INCR = 1, CHUNK = 0;
t_static_1 ();
t_static_2 ();
S = 1, E = N-1, INCR = 1, CHUNK = 0;
t_static_1 ();
t_static_2 ();
return 0;
}
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