Reducing the overhead of an MPI application-level migration approach
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Reducing the overhead of an MPI application-level migration approachData
2016Cita bibliográfica
Iván Cores, Mónica Rodríguez, Patricia González, María J. Martín, Reducing the overhead of an MPI application-level migration approach, Parallel Computing, Volume 54, 2016, Pages 72-82, ISSN 0167-8191, https://doi.org/10.1016/j.parco.2016.01.012.
Resumo
[Abstract] Process migration provides many benefits for parallel environments including dynamic load balance, data access locality, or fault tolerance. This work proposes a solution that reduces the memory and I/O overhead in an application-level checkpoint-based migration approach. The proposal splits the checkpoint files in order to overlap the writing of the state in the terminating processes with the read and restarting operation in the newly spawned processes. It has been tested using the MPI NAS Parallel Benchmarks, showing encouraging results, both in terms of memory consumption and I/O migration times.
Palabras chave
Migration
Checkpointing
MPI
Checkpointing
MPI
Versión do editor
Dereitos
Atribución-NoComercial-SinDerivadas 3.0 España
ISSN
0167-8191
1872-7336
1872-7336