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Simulations, Data Analysis and Algorithms

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Figure 8 | Computational Astrophysics and Cosmology

Figure 8

From: In situ and in-transit analysis of cosmological simulations

Figure 8

Performance of Reeber running in situ and in-transit with different distributions of MPI processes on a \(\pmb{512^{3}}\) problem. The times indicated are wall clock seconds. We used two different in-transit configurations: once with a constant total number of 2,048 MPI processes (‘CT’), and once with a constant number of processes (2,048) devoted to simulation (‘CS’). Time to post-processes for the CS and CT in-transit configurations are nearly identical. The short-dashed purple line indicates the Nyx run time with 2,048 MPI processes without performing any analysis.

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