Introduction to HPC

High Performance Computing 1

V Cycle

•Coarse grid solution to fine grid In(i-1)( MGV( R(i)( b(i), x(i) ) ) ). •Subtract the correction computed on the coarse grid from the fine grid solution x(i) = x(i) - d(i) •Improve the solution more by smoothing: x(i) = S(i)( b(i), x(i) ).