The SmartGridRPC model is an extension of the GridRPC model, which aims to achieve higher performance. The traditional GridRPC provides a programming model and API for mapping individual tasks of an application in a distributed Grid environment, which is based on the client-server model characterised by the star network topology. SmartGridRPC provides a programming model and API for mapping a group of tasks of an application in a distributed Grid environment, which is based on the fully connected network topology. The presentation will outline the SmartGridRPC programming model and API, its implementation in SmartGridSolve and its performance advantages over the GridRPC model. In addition, experimental results using a real-world application will also presented.