Making OpenCL? Simple with Haskell - AMD Developer Central

PROGRAMMING KERNELS: WHAT IS A KERNEL
A data-parallel function executed by each work-item
kernel void square(global float* input,
global float* output)
{
int i = get_global_id(0);
output[i] = input[i] * input[i];
}
Input
Output
26 | Making OpenCL Simple | January, 2011 | Public
get_global_id(0) = 7
6 1 1 0 9 2 4 1 1 9 7 6 8 2 2 5
36 1 1 0 81 4 16 1 1 81 49 36 64 4 4 25