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//
// 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 "testBase.h"
#include "harness/typeWrappers.h"
#include "harness/testHarness.h"
#include "harness/conversions.h"
const char *test_kernels[] = { "__kernel void kernelA(__global uint *dst)\n"
"{\n"
"\n"
" dst[get_global_id(0)]*=3;\n"
"\n"
"}\n"
"__kernel void kernelB(__global uint *dst)\n"
"{\n"
"\n"
" dst[get_global_id(0)]++;\n"
"\n"
"}\n" };
#define TEST_SIZE 512
#define MAX_DEVICES 32
#define MAX_QUEUES 1000
int test_device_set(size_t deviceCount, size_t queueCount, cl_device_id *devices, int num_elements)
{
int error;
clContextWrapper context;
clProgramWrapper program;
clKernelWrapper kernels[2];
clMemWrapper stream;
clCommandQueueWrapper queues[MAX_QUEUES] = {};
size_t threads[1], localThreads[1];
cl_uint data[TEST_SIZE];
cl_uint outputData[TEST_SIZE];
cl_uint expectedResults[TEST_SIZE];
cl_uint expectedResultsOneDevice[MAX_DEVICES][TEST_SIZE];
size_t i;
RandomSeed seed( gRandomSeed );
if (deviceCount > MAX_DEVICES) {
log_error("Number of devices in set (%ld) is greater than the number for which the test was written (%d).", deviceCount, MAX_DEVICES);
return -1;
}
if (queueCount > MAX_QUEUES) {
log_error("Number of queues (%ld) is greater than the number for which the test was written (%d).", queueCount, MAX_QUEUES);
return -1;
}
log_info("Testing with %ld queues on %ld devices, %ld kernel executions.\n", queueCount, deviceCount, queueCount*num_elements/TEST_SIZE);
for (i=0; i<deviceCount; i++) {
char deviceName[4096] = "";
error = clGetDeviceInfo(devices[i], CL_DEVICE_NAME, sizeof(deviceName), deviceName, NULL);
test_error(error, "clGetDeviceInfo CL_DEVICE_NAME failed");
log_info("Device %ld is \"%s\".\n", i, deviceName);
}
/* Create a context */
context = clCreateContext( NULL, (cl_uint)deviceCount, devices, notify_callback, NULL, &error );
test_error( error, "Unable to create testing context" );
/* Create our kernels (they all have the same arguments so we don't need multiple ones for each device) */
if( create_single_kernel_helper( context, &program, &kernels[0], 1, test_kernels, "kernelA" ) != 0 )
{
return -1;
}
kernels[1] = clCreateKernel(program, "kernelB", &error);
test_error(error, "clCreateKernel failed");
/* Now create I/O streams */
for( i = 0; i < TEST_SIZE; i++ )
data[i] = genrand_int32(seed);
stream = clCreateBuffer(context, CL_MEM_COPY_HOST_PTR,
sizeof(cl_uint) * TEST_SIZE, data, &error);
test_error(error, "Unable to create test array");
// Update the expected results
for( i = 0; i < TEST_SIZE; i++ ) {
expectedResults[i] = data[i];
for (size_t j=0; j<deviceCount; j++)
expectedResultsOneDevice[j][i] = data[i];
}
// Set the arguments
error = clSetKernelArg( kernels[0], 0, sizeof( stream ), &stream);
test_error( error, "Unable to set kernel arguments" );
error = clSetKernelArg( kernels[1], 0, sizeof( stream ), &stream);
test_error( error, "Unable to set kernel arguments" );
/* Run the test */
threads[0] = (size_t)TEST_SIZE;
error = get_max_common_work_group_size( context, kernels[0], threads[0], &localThreads[ 0 ] );
test_error( error, "Unable to calc work group size" );
/* Create work queues */
for( i = 0; i < queueCount; i++ )
{
queues[i] = clCreateCommandQueue( context, devices[ i % deviceCount ], 0, &error );
if (error != CL_SUCCESS || queues[i] == NULL) {
log_info("Could not create queue[%d].\n", (int)i);
queueCount = i;
break;
}
}
log_info("Testing with %d queues.\n", (int)queueCount);
/* Enqueue executions */
for( int z = 0; z<num_elements/TEST_SIZE; z++) {
for( i = 0; i < queueCount; i++ )
{
// Randomly choose a kernel to execute.
int kernel_selection = (int)get_random_float(0, 2, seed);
error = clEnqueueNDRangeKernel( queues[ i ], kernels[ kernel_selection ], 1, NULL, threads, localThreads, 0, NULL, NULL );
test_error( error, "Kernel execution failed" );
// Update the expected results
for( int j = 0; j < TEST_SIZE; j++ ) {
expectedResults[j] = (kernel_selection) ? expectedResults[j]+1 : expectedResults[j]*3;
expectedResultsOneDevice[i % deviceCount][j] = (kernel_selection) ? expectedResultsOneDevice[i % deviceCount][j]+1 : expectedResultsOneDevice[i % deviceCount][j]*3;
}
// Force the queue to finish so the next one will be in sync
error = clFinish(queues[i]);
test_error( error, "clFinish failed");
}
}
/* Read results */
int errors = 0;
for (int q = 0; q<(int)queueCount; q++) {
error = clEnqueueReadBuffer( queues[ 0 ], stream, CL_TRUE, 0, sizeof(cl_int)*TEST_SIZE, (char *)outputData, 0, NULL, NULL );
test_error( error, "Unable to get result data set" );
int errorsThisTime = 0;
/* Verify all of the data now */
for( i = 0; i < TEST_SIZE; i++ )
{
if( expectedResults[ i ] != outputData[ i ] )
{
log_error( "ERROR: Sample data did not verify for queue %d on device %ld (sample %d, expected %d, got %d)\n",
q, q % deviceCount, (int)i, expectedResults[ i ], outputData[ i ] );
for (size_t j=0; j<deviceCount; j++) {
if (expectedResultsOneDevice[j][i] == outputData[i])
log_info("Sample consistent with only device %ld having modified the data.\n", j);
}
errorsThisTime++;
break;
}
}
if (errorsThisTime)
errors++;
}
/* All done now! */
if (errors) return -1;
return 0;
}
int test_two_devices(cl_device_id deviceID, cl_context context, cl_command_queue queue, int num_elements)
{
cl_platform_id platform;
cl_device_id devices[2];
int err;
cl_uint numDevices;
err = clGetPlatformIDs(1, &platform, NULL);
test_error( err, "Unable to get platform" );
/* Get some devices */
err = clGetDeviceIDs(platform, CL_DEVICE_TYPE_ALL, 2, devices, &numDevices );
test_error( err, "Unable to get 2 devices" );
if( numDevices < 2 )
{
log_info( "WARNING: two device test unable to get two devices via CL_DEVICE_TYPE_ALL (got %d devices). Skipping test...\n", (int)numDevices );
return 0;
}
else if (numDevices > 2)
{
log_info("Note: got %d devices, using just the first two.\n", (int)numDevices);
}
/* Run test */
return test_device_set( 2, 2, devices, num_elements );
}
int test_max_devices(cl_device_id deviceID, cl_context context, cl_command_queue queue, int num_elements)
{
cl_platform_id platform;
cl_device_id devices[MAX_DEVICES];
cl_uint deviceCount;
int err;
err = clGetPlatformIDs(1, &platform, NULL);
test_error( err, "Unable to get platform" );
/* Get some devices */
err = clGetDeviceIDs(platform, CL_DEVICE_TYPE_ALL, MAX_DEVICES, devices, &deviceCount );
test_error( err, "Unable to get multiple devices" );
log_info("Testing with %d devices.", deviceCount);
/* Run test */
return test_device_set( deviceCount, deviceCount, devices, num_elements );
}
int test_hundred_queues(cl_device_id device, cl_context contextIgnore, cl_command_queue queueIgnore, int num_elements)
{
return test_device_set( 1, 100, &device, num_elements );
}
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