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[nvptx] Enable large vectors -- test-cases 

Add various test-cases with vector length 128.

2019-01-12  Tom de Vries  <tdevries@suse.de>

	* testsuite/libgomp.oacc-c-c++-common/vector-length-128-7.c: New test.
	* testsuite/libgomp.oacc-c-c++-common/vector-length-128-4.c: New test.
	* testsuite/libgomp.oacc-c-c++-common/vector-length-128-6.c: New test.

From-SVN: r267891
This commit is contained in:
Tom de Vries 2019-01-12 22:18:11 +00:00 committed by Tom de Vries
parent 52d22ece49
commit 8e77f71eda
4 changed files with 127 additions and 0 deletions
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6
libgomp/ChangeLog
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2019-01-12 Tom de Vries <tdevries@suse.de>
* testsuite/libgomp.oacc-c-c++-common/vector-length-128-7.c: New test.
* testsuite/libgomp.oacc-c-c++-common/vector-length-128-4.c: New test.
* testsuite/libgomp.oacc-c-c++-common/vector-length-128-6.c: New test.
2019-01-12 Tom de Vries <tdevries@suse.de>
* plugin/plugin-nvptx.c (nvptx_exec): Update insufficient hardware

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libgomp/testsuite/libgomp.oacc-c-c++-common/vector-length-128-4.c Normal file
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/* { dg-do run { target openacc_nvidia_accel_selected } } */
/* { dg-additional-options "-foffload=-fdump-tree-oaccdevlow" } */
/* { dg-set-target-env-var "GOMP_DEBUG" "1" } */
#include <stdlib.h>
#define N 1024
unsigned int a[N];
unsigned int b[N];
unsigned int c[N];
unsigned int n = N;
int
main (void)
{
for (unsigned int i = 0; i < n; ++i)
{
a[i] = i % 3;
b[i] = i % 5;
}
#pragma acc parallel num_workers (2) vector_length (128) copyin (a,b) copyout (c)
{
#pragma acc loop worker
for (unsigned int i = 0; i < 4; i++)
#pragma acc loop vector
for (unsigned int j = 0; j < n / 4; j++)
c[(i * N / 4) + j] = a[(i * N / 4) + j] + b[(i * N / 4) + j];
}
for (unsigned int i = 0; i < n; ++i)
if (c[i] != (i % 3) + (i % 5))
abort ();
return 0;
}
/* { dg-final { scan-offload-tree-dump "__attribute__\\(\\(oacc function \\(1, 2, 128\\)" "oaccdevlow" } } */
/* { dg-output "nvptx_exec: kernel main\\\$_omp_fn\\\$0: launch gangs=1, workers=2, vectors=128" } */

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libgomp/testsuite/libgomp.oacc-c-c++-common/vector-length-128-6.c Normal file
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/* { dg-do run { target openacc_nvidia_accel_selected } } */
/* { dg-set-target-env-var "GOMP_OPENACC_DIM" ":2:" } */
/* { dg-additional-options "-foffload=-fdump-tree-oaccdevlow" } */
/* { dg-set-target-env-var "GOMP_DEBUG" "1" } */
#include <stdlib.h>
#define N 1024
unsigned int a[N];
unsigned int b[N];
unsigned int c[N];
unsigned int n = N;
int
main (void)
{
for (unsigned int i = 0; i < n; ++i)
{
a[i] = i % 3;
b[i] = i % 5;
}
#pragma acc parallel vector_length (128) copyin (a,b) copyout (c)
{
#pragma acc loop worker
for (unsigned int i = 0; i < 4; i++)
#pragma acc loop vector
for (unsigned int j = 0; j < n / 4; j++)
c[(i * N / 4) + j] = a[(i * N / 4) + j] + b[(i * N / 4) + j];
}
for (unsigned int i = 0; i < n; ++i)
if (c[i] != (i % 3) + (i % 5))
abort ();
return 0;
}
/* { dg-final { scan-offload-tree-dump "__attribute__\\(\\(oacc function \\(1, 0, 128\\)" "oaccdevlow" } } */
/* { dg-output "nvptx_exec: kernel main\\\$_omp_fn\\\$0: launch gangs=1, workers=2, vectors=128" } */

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libgomp/testsuite/libgomp.oacc-c-c++-common/vector-length-128-7.c Normal file
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/* { dg-do run { target openacc_nvidia_accel_selected } } */
/* { dg-additional-options "-foffload=-fdump-tree-oaccdevlow" } */
/* { dg-set-target-env-var "GOMP_DEBUG" "1" } */
#include <stdlib.h>
#define N 1024
unsigned int a[N];
unsigned int b[N];
unsigned int c[N];
unsigned int n = N;
int
main (void)
{
for (unsigned int i = 0; i < n; ++i)
{
a[i] = i % 3;
b[i] = i % 5;
}
#pragma acc parallel vector_length (128) copyin (a,b) copyout (c)
{
#pragma acc loop worker
for (unsigned int i = 0; i < 4; i++)
#pragma acc loop vector
for (unsigned int j = 0; j < n / 4; j++)
c[(i * N / 4) + j] = a[(i * N / 4) + j] + b[(i * N / 4) + j];
}
for (unsigned int i = 0; i < n; ++i)
if (c[i] != (i % 3) + (i % 5))
abort ();
return 0;
}
/* { dg-final { scan-offload-tree-dump "__attribute__\\(\\(oacc function \\(1, 0, 128\\)" "oaccdevlow" } } */
/* { dg-output "nvptx_exec: kernel main\\\$_omp_fn\\\$0: launch gangs=1, workers=8, vectors=128" } */