change cputime computation by means of omp
change cputime computation by means of omp

JimmyLin192/ConvexLatentVariable,JimmyLin192/ConvexLatentVariable,JimmyLin192/ConvexLatentVariable,JimmyLin192/ConvexLatentVariable,JimmyLin192/ConvexLatentVariable,JimmyLin192/ConvexLatentVariable