Implementing 3D Finite Difference Codes on the GPU
Implementing 3D Finite Difference Codes on the GPU
Implementing 3D Finite Difference Codes on the GPU
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Communicati<strong>on</strong> and Computati<strong>on</strong> Overlap<br />
G2C G2C<br />
MPI_Sendrecv<br />
C2G<br />
MPI_Sendrecv<br />
Communicati<strong>on</strong> and computati<strong>on</strong> when using <strong>on</strong>ly MPI<br />
G2C G2C<br />
Time<br />
MPI_Sendrecv<br />
C2G<br />
C2G<br />
C2G<br />
Communicati<strong>on</strong> and computati<strong>on</strong> when using MPI and OpenMP<br />
Ghost node computati<strong>on</strong><br />
Internal node computati<strong>on</strong><br />
PCIe communicati<strong>on</strong> (CPU-<strong>GPU</strong>)<br />
MPI communicati<strong>on</strong> (CPU-CPU)