You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

97 lines
2.7 KiB

//
// Copyright (c) 2017 The Khronos Group Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#include "harness/compat.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "procs.h"
int
test_arrayreadwrite(cl_device_id device, cl_context context, cl_command_queue queue, int num_elements)
{
cl_uint *inptr, *outptr;
cl_mem streams[1];
int num_tries = 400;
num_elements = 1024 * 1024 * 4;
int i, j, err;
MTdata d;
inptr = (cl_uint*)malloc(num_elements*sizeof(cl_uint));
outptr = (cl_uint*)malloc(num_elements*sizeof(cl_uint));
// randomize data
d = init_genrand( gRandomSeed );
for (i=0; i<num_elements; i++)
inptr[i] = (cl_uint)(genrand_int32(d) & 0x7FFFFFFF);
streams[0] = clCreateBuffer(context, CL_MEM_READ_WRITE,
sizeof(cl_uint) * num_elements, NULL, &err);
test_error(err, "clCreateBuffer failed");
for (i=0; i<num_tries; i++)
{
int offset;
int cb;
do {
offset = (int)(genrand_int32(d) & 0x7FFFFFFF);
if (offset > 0 && offset < num_elements)
break;
} while (1);
cb = (int)(genrand_int32(d) & 0x7FFFFFFF);
if (cb > (num_elements - offset))
cb = num_elements - offset;
err = clEnqueueWriteBuffer(queue, streams[0], CL_TRUE, offset*sizeof(cl_uint), sizeof(cl_uint)*cb,&inptr[offset], 0, NULL, NULL);
test_error(err, "clEnqueueWriteBuffer failed");
err = clEnqueueReadBuffer( queue, streams[0], CL_TRUE, offset*sizeof(cl_uint), cb*sizeof(cl_uint), &outptr[offset], 0, NULL, NULL );
test_error(err, "clEnqueueReadBuffer failed");
for (j=offset; j<offset+cb; j++)
{
if (inptr[j] != outptr[j])
{
log_error("ARRAY read, write test failed\n");
err = -1;
break;
}
}
if (err)
break;
}
free_mtdata(d);
clReleaseMemObject(streams[0]);
free(inptr);
free(outptr);
if (!err)
log_info("ARRAY read, write test passed\n");
return err;
}