We present the parallel implementation of a hydrodynamical code for cosmological simulations which uses the Piecewise Parabolic Method (PPM) to follow the dynamics of the gas component and a Particle-Mesh N-body algorithm for the evolution of the collisionless component. The parallel code is written by using the CRAFT programming model and all the numerical tests and simulations are performed on the Cray T3D supercomputer at CINECA. We describe the time performance of the code, its scalability and the load balancing and we show some results obtained in typical cosmological simulations.
A Parallel Cosmological Hydrodynamic Code Based on the Piecewise Parabolic Method
PANTANO, ORNELLA;
1998
Abstract
We present the parallel implementation of a hydrodynamical code for cosmological simulations which uses the Piecewise Parabolic Method (PPM) to follow the dynamics of the gas component and a Particle-Mesh N-body algorithm for the evolution of the collisionless component. The parallel code is written by using the CRAFT programming model and all the numerical tests and simulations are performed on the Cray T3D supercomputer at CINECA. We describe the time performance of the code, its scalability and the load balancing and we show some results obtained in typical cosmological simulations.
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