SCHEDULE: NOV 10-16, 2012
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First-Ever Full Observable Universe Simulation
SESSION: Cosmology Applications
EVENT TYPE: Papers
TIME: 10:30AM - 11:00AM
SESSION CHAIR: Subhash Saini
AUTHOR(S):Jean-Michel Alimi, Vincent Bouillot, Yann Rasera, Vincent Reverdy, Pier-Stefano Corasaniti, Irène Balmès, Stéphane Requena, Xavier Delaruelle, Jean-Noël Richet
ROOM:255-EF
ABSTRACT:
We performed a massive N-body simulation of the full observable universe. This has evolved 550 billion particles on an Adaptive Mesh Refinement grid with more than two trillion computing points along the entire evolutionary history of the Universe, and across 6 orders of magnitudes length scales, from the size of the Milky Way to the whole observable Universe. To date, this is the largest and most advanced cosmological simulation ever run. It will have a major scientific impact and provide an exceptional support to future observational programs dedicated to mapping the distribution of matter and galaxies in the Universe. The simulation has run on 4752 (of 5040) thin nodes of BULL supercomputer CURIE, using 300 TB of memory for 10 million hours of computing time. 50 PBytes of rough data were generated throughout the run, reduced to a useful amount of 500 TBytes using an advanced and innovative reduction workflow.
Chair/Author Details:
Subhash Saini (Chair) - NASA Ames Research Center
Jean-Michel Alimi - Paris Observatory
Vincent Bouillot - Paris Observatory
Yann Rasera - Paris Diderot University
Vincent Reverdy - Paris Observatory
Pier-Stefano Corasaniti - Paris Observatory
Irène Balmès - Paris Observatory
Stéphane Requena - GENCI
Xavier Delaruelle - CEA
Jean-Noël Richet - CEA
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First-Ever Full Observable Universe Simulation
SESSION: Cosmology Applications
EVENT TYPE:
TIME: 10:30AM - 11:00AM
SESSION CHAIR: Subhash Saini
AUTHOR(S):Jean-Michel Alimi, Vincent Bouillot, Yann Rasera, Vincent Reverdy, Pier-Stefano Corasaniti, Irène Balmès, Stéphane Requena, Xavier Delaruelle, Jean-Noël Richet
ROOM:255-EF
ABSTRACT:
We performed a massive N-body simulation of the full observable universe. This has evolved 550 billion particles on an Adaptive Mesh Refinement grid with more than two trillion computing points along the entire evolutionary history of the Universe, and across 6 orders of magnitudes length scales, from the size of the Milky Way to the whole observable Universe. To date, this is the largest and most advanced cosmological simulation ever run. It will have a major scientific impact and provide an exceptional support to future observational programs dedicated to mapping the distribution of matter and galaxies in the Universe. The simulation has run on 4752 (of 5040) thin nodes of BULL supercomputer CURIE, using 300 TB of memory for 10 million hours of computing time. 50 PBytes of rough data were generated throughout the run, reduced to a useful amount of 500 TBytes using an advanced and innovative reduction workflow.
Chair/Author Details:
Subhash Saini (Chair) - NASA Ames Research Center
Jean-Michel Alimi - Paris Observatory
Vincent Bouillot - Paris Observatory
Yann Rasera - Paris Diderot University
Vincent Reverdy - Paris Observatory
Pier-Stefano Corasaniti - Paris Observatory
Irène Balmès - Paris Observatory
Stéphane Requena - GENCI
Xavier Delaruelle - CEA
Jean-Noël Richet - CEA
Click here to download .ics calendar file