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Earth, Planets and Space

Table 1 Part-wise processing time (s) of the multi-GPU program.

From: Accelerating large-scale simulation of seismic wave propagation by multi-GPUs and three-dimensional domain decomposition

 

Computation

Communication

 

Side

Inner

GPU—

  

#GPUs

points

points

host

Memcpy

MPI

1

35.8

34.2

—

—

—

4

13.8

7.4

10.1

10.1

8.1

8

7.0

3.7

6.5

6.9

5.2

  1. FDM domain size: 384 × 384 × 384. Time steps: 200.
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