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| #include <stdafx.h>
#include <stdio.h>
#include <stdlib.h>
#include <CL/cl.h>
#include "kor.hpp"
const char* OpenCLSource[] = {"__kernel void kor(__global int* X, __global int* SM, __global int* rez, int iNumElements)"
"{"
"int iGID = get_global_id(0);"
"if (iGID >= iNumElements)"
"{"
"return;"
"}"
"if (X[iGID] > 1) SM[iGID] = X[iGID] / 2; else SM[iGID] = 1;"
"for(; (SM[iGID] != 0); SM[iGID] /= 2) if ((rez[iGID] * rez[iGID]) > X[iGID]) rez[iGID] -= SM[iGID]; else rez[iGID] += SM[iGID];"
"return(rez[iGID]);"
"}"
};
void main(int argc, char **argv)
{
width = 200;
input = NULL;
output = NULL;
cl_int status = 0;
cl_uint numPlatforms;
cl_platform_id platform = NULL;
cl_device_type dType;
dType = CL_DEVICE_TYPE_CPU;
size_t deviceListSize;
int iNumElements;
#define SIZE 200
//Инициализация устройства
/**/
status = clGetPlatformIDs(0, NULL, &numPlatforms);
if(status != CL_SUCCESS)
{
printf("Error: Getting Platforms. (clGetPlatformsIDs)\n");
return;
}
else
{
printf("Get Platform ID Done! :)\n");
}
if(numPlatforms > 0)
{
cl_platform_id* platforms = (cl_platform_id *)malloc(numPlatforms*sizeof(cl_platform_id));
status = clGetPlatformIDs(numPlatforms, platforms, NULL);
if(status != CL_SUCCESS)
{
printf("Error: Getting Platform Ids. (clGetPlatformsIDs)\n");
return;
}
for(unsigned int i=0; i < numPlatforms; ++i)
{
char pbuff[100];
status = clGetPlatformInfo(
platforms[i],
CL_PLATFORM_VENDOR,
sizeof(pbuff),
pbuff,
NULL);
if(status != CL_SUCCESS)
{
printf("Error: Getting Platform Info. (clGetPlatformInfo)\n");
return;
}
platform = platforms[i];
if(!strcmp(pbuff, "Advanced Micro Devices, Inc."))
{
break;
}
}
delete platforms;
}
if(NULL == platform)
{
std::cout << "NULL platform found so Exiting Application." << std::endl;
return;
}
/*
* If we could find our platform, use it. Otherwise use just available platform.
*/
cl_context_properties cps[3] = { CL_CONTEXT_PLATFORM, (cl_context_properties)platform, 0 };
/////////////////////////////////////////////////////////////////
// Create an OpenCL context
/////////////////////////////////////////////////////////////////
cl_context cxGPUContext = clCreateContextFromType(cps, CL_DEVICE_TYPE_CPU, NULL, NULL, &status);
if(status != CL_SUCCESS)
{
printf("Error: Creating Context. (clCreateContextFromType)\n");
return;
}
else
{
printf("Creating Context Done! :)\n");
}
status = clGetContextInfo(cxGPUContext,
CL_CONTEXT_DEVICES,
0,
NULL,
&deviceListSize);
if(status != CL_SUCCESS)
{
printf(
"Error: Getting First Context Info \
(device list size, clGetContextInfo)\n");
return;
}
devices = (cl_device_id *)malloc(deviceListSize);
if(devices == 0)
{
printf("Error: No devices found.\n");
return;
}
status = clGetContextInfo(cxGPUContext,
CL_CONTEXT_DEVICES,
deviceListSize,
devices,
&deviceListSize);
if(status != CL_SUCCESS)
{
printf(
"Error: Getting Context Info \
(device list size, clGetContextInfo)\n");
}
//Очерёдность выполнения
cl_command_queue cqCommandQue = clCreateCommandQueue(cxGPUContext, devices[0], 0, &status);
if(status != CL_SUCCESS)
{
printf("Error: create ComandQue. (clCreateCommandQueue)\n");
}
else
{
printf("Create ComandQue Done! :)\n");
}
//Memory Objects
cl_mem Xq = clCreateBuffer(cl_context (cxGPUContext), CL_MEM_WRITE_ONLY, sizeof(cl_uint) * width, NULL, &status);
if(status != CL_SUCCESS)
{
printf("Error: Create Memory Buffer. (clCreateBuffer)\n");
}
else
{
printf("Create Memory Buffer Done! :)\n");
}
cl_mem SMq = clCreateBuffer(cl_context (cxGPUContext), CL_MEM_WRITE_ONLY, sizeof(cl_uint) * width, NULL, &status);
if(status != CL_SUCCESS)
{
printf("Error: Create Memory Buffer. (clCreateBuffer)\n");
}
else
{
printf("Create Memory Buffer Done! :)\n");
}
cl_mem rezq = clCreateBuffer(cl_context (cxGPUContext), CL_MEM_READ_ONLY, sizeof(cl_uint) * width, NULL, &status);
if(status != CL_SUCCESS)
{
printf("Error: Create Memory Buffer. (clCreateBuffer)\n");
}
else
{
printf("Create Memory Buffer Done! :)\n");
}
//Create Programm
cl_program OpenCLProgram = clCreateProgramWithSource(cxGPUContext, 1, OpenCLSource , NULL, &status);
if(status != CL_SUCCESS)
{
printf("Error: Create OpenCLrogram. (clCreateProgramWithSource)\n");
}
else
{
printf("Create OpenCLrogram Done! :)\n");
}
status = clBuildProgram(OpenCLProgram, 1, devices, NULL, NULL, NULL);
if(status != CL_SUCCESS)
{
printf("Error: Build OpenCL Program. (clBuildProgram)\n");
}
else
{
printf("Build OpenCL Program Done! :)\n");
}
//////////// CREATING KERNEL !
cl_kernel kor = clCreateKernel(OpenCLProgram, "kor", &status);
if(status != CL_SUCCESS)
{
printf("Error: Create Kernel. (clCreateKernel)\n");
}
else
{
printf("Create Kernel Done! :)\n");
}
status = clSetKernelArg(kor, 0, sizeof(cl_mem), (void*)&Xq);
if(status != CL_SUCCESS)
{
printf("Error: Setting Kernel Argument 1. (clSetKernelArg)\n");
}
else
{
printf("Setting Kernel Argument 1 Done! :)\n");
}
status = clSetKernelArg(kor, 1, sizeof(cl_mem), (void*)&SMq);
if(status != CL_SUCCESS)
{
printf("Error: Setting Kernel Argument 2. (clSetKernelArg)\n");
}
else
{
printf("Setting Kernel Argument 2 Done! :)\n");
}
status = clSetKernelArg(kor, 2, sizeof(cl_mem), (void*)&rezq);
if(status != CL_SUCCESS)
{
printf("Error: Setting Kernel Argument 3. (clSetKernelArg)\n");
}
else
{
printf("Setting Kernel Argument 3 Done! :)\n");
}
status = clSetKernelArg(kor, 3, sizeof(cl_int), (void*)&iNumElements);
if(status != CL_SUCCESS)
{
printf("Error: Setting Kernel Argument 4. (clSetKernelArg)\n");
}
else
{
printf("Setting Kernel Argument 4 Done! :)\n");
}
status = clEnqueueWriteBuffer(cqCommandQue, Xq, CL_TRUE, 100, sizeof(cl_float), Xq, 0, NULL, NULL);
if(status != CL_SUCCESS)
{
printf("Error: Write Buffer 1. (clEnqueueWriteBuffer)\n");
}
else
{
printf("Write Buffer 1 Done! :)\n");
}
status = clEnqueueWriteBuffer(cqCommandQue, SMq, CL_TRUE, 100, sizeof(cl_float), SMq, 0, NULL, NULL);
if(status != CL_SUCCESS)
{
printf("Error: Write Buffer 2. (clEnqueueWriteBuffer)\n");
}
else
{
printf("Write Buffer 2 Done! :)\n");
}
// RANGE KERNEL !!!!!!!!!!)))))))))***********
//*************
//^^^^^^^^^^^^^^^^^^^^^^^^^
cl_event events[2];
size_t globalThreads[1];
size_t localThreads[1];
globalThreads[0] = width;
localThreads[0] = 1;
status = clEnqueueNDRangeKernel(cqCommandQue, kor, 1, NULL, globalThreads, NULL, 0, NULL, &events[0]);
if(status != CL_SUCCESS)
{
printf("Error: EnqueueNDRangeKernel. (clEnqueueNDRangeKernel)%d\n", status);
}
else
{
printf("EnqueueNDRangeKernel Done! :)\n");
}
status = clWaitForEvents(1, &events[0]);
if(status != CL_SUCCESS)
{
printf(
"Error: Waiting for kernel run to finish. \
(clWaitForEvents)\n");
return;
}
status = clReleaseEvent(events[0]);
if(status != CL_SUCCESS)
{
printf("Error: clReleaseEvent. (events[0])\n");
return;
}
int vivod [SIZE];
status = clEnqueueReadBuffer(cqCommandQue, rezq, CL_TRUE, 0, sizeof(cl_uint)*width, vivod, 0, NULL, &events[1]);
if(status != CL_SUCCESS)
{
printf(
"Error: clEnqueueReadBuffer failed. \
(clEnqueueReadBuffer)\n");
}
else
{
printf("clEnqueueReadBuffer Done! :)\n");
}
/* Wait for the read buffer to finish execution */
status = clWaitForEvents(1, &events[1]);
if(status != CL_SUCCESS)
{
printf(
"Error: Waiting for read buffer call to finish. \
(clWaitForEvents)\n");
return;
}
status = clReleaseEvent(events[1]);
if(status != CL_SUCCESS)
{
printf("Error: clReleaseEvent. (events[1])\n");
return;
}
printf("\n\n\n\n");
printf("Hello %d\n", vivod);
} |
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