project tests refactoring

tests/opencl/sgemm/kernel.cl

@@ -0,0 +1,18 @@
+__kernel void sgemm (__global const float *A,
+	                   __global const float *B,
+	                   __global float *C, 
+                     int N)
+{
+  // Thread identifiers
+  const int r = get_global_id(0); // Row ID
+  const int c = get_global_id(1); // Col ID
+
+  // Compute a single element (loop a K)
+  float acc = 0.0f;
+  for (int k = 0; k < N; k++) {
+    acc += A[k * N + r] * B[c * N + k];
+  }
+
+  // Store the result
+  C[c * N + r] = acc;
+}