int main() {
float* vector;
float value;
int i,found;
/* SimpleOpenCL types declaration */
sclHard* hardware;
sclSoft software;
/* NDRange 2D size initialization*/
size_t global_size[2];
size_t local_size[2];
size_t dataLength=134217728;
size_t dataSize=sizeof(float)*dataLength;
global_size[0]=dataLength;
global_size[1]=1;
local_size[0]=1;
local_size[1]=1;
/*local_size[0]=1 might be necessary for CPU devices on apple machines*/
/* Data generation */
vector = (float*)malloc(dataSize);
value = 3;
for (i=0; i<(int)dataLength; i++) {
vector[i] = (float)i;
}
/* Hardware and Software initialization ##### HERE STARTS THE SimpleOpenCL CODE ####*/
found=0;
hardware = sclGetAllHardware(&found);
software = sclGetCLSoftware("example2.cl","example2",hardware[DEVICE]);
/* Kernel execution */
sclManageArgsLaunchKernel( hardware[DEVICE], software,
global_size, local_size,
"%R %a %N",
dataSize, (void*)vector, sizeof(float), (void*)&value, sizeof(float));
/* Data is read back from the device automatically ##### HERE ENDS THE SimpleOpenCL CODE ####*/
/* We print some values to check the results */
printf("\nExecution successful\n");
printf("vector[0]=%f vector[10]=%f vector[200]=%f\n",vector[0],vector[10],vector[200]);
return 0;
}
int main(){
sclHard* allHardware;
sclHard hardware;
sclSoft software;
matrix ma;
ma.cols = 4;
ma.rows = 4;
ma.dataSize = sizeof(int);
ma.dataStart = calloc(ma.cols*ma.rows, ma.dataSize);
for (int i = 0; i < ma.rows; ++i)
{
for (int j = 0; j < ma.cols; ++j)
{
((int*)ma.dataStart)[i*ma.cols+j] = j;
}
}
printMatrix(ma);
/*
int a[] = {1,2,3,4,5,6,7,8,9};
int b[] = {9,8,7,6,5,4,3,2,1};
int result[9];
size_t global_size[2];
size_t local_size[2];
size_t dataLength = 9;
size_t dataSize = sizeof(int)*dataLength;
global_size[0] = dataLength;
local_size[0] = 1;
global_size[1] = 1;
local_size[1] = 1;*/
size_t global_size[2];
size_t local_size[2];
size_t dataLength = ma.cols*ma.rows;
size_t dataSize = ma.dataSize*dataLength;
global_size[0] = dataLength;
local_size[0] = 4;
global_size[1] = 1;
local_size[1] = 1;
int scalar = 2;
int found = 0;
allHardware = sclGetAllHardware(&found);
hardware = sclGetFastestDevice(allHardware, found);
software = sclGetCLSoftware("Noget.cl", "Noget2", hardware);
/*sclManageArgsLaunchKernel(hardware, software, global_size, local_size, "%R %R %R",
dataSize, a, dataSize, b, dataSize, result);
*/
sclManageArgsLaunchKernel(hardware, software, global_size, local_size, "%R %a",
dataSize, ma.dataStart, sizeof(int) ,&scalar);
printf("\n");
printMatrix(ma);
}