// Options:  
__kernel void myGEMM1(const int M, const int N, const int K,                      const __global float* A,                      const __global float* B,                      __global float* C) {    const int globalRow = get_global_id(0);    const int globalCol = get_global_id(1);    float acc = 0.0f;    for (int k=0; k<K; k++) {        acc += A[k*M + globalRow] * B[globalCol*K + k];    }    C[globalCol*M + globalRow] = acc;}