An eddy resolving global 1/4 degree ocean simulation with

High-Performance Pressure Solver

Mu-Hua Chien

1/4 degree Ocean model

Error Vector Propagation Method Solving pressure equation

Stabilized EVP (SEVP)

Parallel SEVP

Decomposed Domain 16X12

Flowchart for Matrix Product

1. Gather and broadcast R

2. Scatter R into horizontal

processors

3. Take matrix product by BLAS

4. Reduce the product

Decomposition for Matrix

Numerical Result

Heat transport

Meridional overturning streamfunction

Zonally averaged eddy kinetic energy

Numerical Speed Up