The Q Continuum Simulation: Harnessing the Power of GPU Accelerated Supercomputers - INSPIRE

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The Q Continuum Simulation: Harnessing the Power of GPU Accelerated Supercomputers

Nov 12, 2014

13 pages

Published in:

Astrophys.J.Suppl. 219 (2015) 2, 34

Published: Aug 21, 2015

e-Print:

1411.3396 [astro-ph.CO]

DOI:

10.1088/0067-0049/219/2/34

View in:

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Abstract: (IOP)

Modeling large-scale sky survey observations is a key driver for the continuing development of high-resolution, large-volume, cosmological simulations. We report the first results from the “Q Continuum” cosmological N-body simulation run carried out on the GPU-accelerated supercomputer Titan. The simulation encompasses a volume of

{(1300\,\mathrm{Mpc})}^{3}

and evolves more than half a trillion particles, leading to a particle mass resolution of

{m}_{{\rm{p}}}\simeq 1.5\cdot {10}^{8}\,

{M}_{\odot }

. At this mass resolution, the Q Continuum run is currently the largest cosmology simulation available. It enables the construction of detailed synthetic sky catalogs, encompassing different modeling methodologies, including semi-analytic modeling and sub-halo abundance matching in a large, cosmological volume. Here we describe the simulation and outputs in detail and present first results for a range of cosmological statistics, such as mass power spectra, halo mass functions, and halo mass-concentration relations for different epochs. We also provide details on challenges connected to running a simulation on almost 90% of Titan, one of the fastest supercomputers in the world, including our usage of Titan’s GPU accelerators.

Note:

11 pages, 12 figures

large-scale structure of universe
methods: numerical

References(109)

Figures(22)

[LSST Science Collaborations and LSST Project

P.A. Abell

LSST Science Book, Version 2.0

LSST Science and
LSST Project

Collaborations

•

Paul A. Abell
(
- NASA, Houston
)

et al.

e-Print:
- 0912.0201

Planck 2013 results. XVI. Cosmological parameters

Planck

Collaboration

•

P.A.R. Ade
(
- Cardiff U.
)

et al.

- Astron.Astrophys. 571 (2014) A16
•
e-Print:
- 1303.5076
•
DOI:
- 10.1051/0004-6361/201321591

A primer on hierarchical galaxy formation: The semi-analytical approach

Carlton M. Baugh
(
- Durham U.
)

- Rept.Prog.Phys. 69 (2006) 3101-3156
•
e-Print:
- astro-ph/0610031
•
DOI:
- 10.1088/0034-4885/69/12/R02

The Nature of galaxy bias and clustering

A.J. Benson
(
- Durham U.
)
,
S. Cole
(
- Durham U.
)
,
C.S. Frenk
(
- Durham U.
)
,
C.M. Baugh
(
- Durham U.
)
,
Cedric G. Lacey
(
- Durham U. and
- Copenhagen, Theor. Astrophys. Ctr.
)

- Mon.Not.Roy.Astron.Soc. 311 (2000) 793-808
•
e-Print:
- astro-ph/9903343
•
DOI:
- 10.1046/j.1365-8711.2000.03101.x

A.J. Benson
,
R.G. Bower
,
C.S. Frenk
,
C.G. Lacey
,
C.M. Baugh

et al.

What shapes the luminosity function of galaxies?

et al.

- Astrophys.J. 599 (2003) 38-49
•
e-Print:
- astro-ph/0302450
•
DOI:
- 10.1086/379160

Galaxy Formation Theory

Andrew J. Benson
(
- Caltech
)

- Phys.Rept. 495 (2010) 33-86
•
e-Print:
- 1006.5394
•
DOI:
- 10.1016/j.physrep.2010.06.001

Galacticus: A Semi-Analytic Model of Galaxy Formation

Andrew J. Benson
(
- Caltech
)

- New Astron. 17 (2012) 175-197
•
e-Print:
- 1008.1786
•
DOI:
- 10.1016/j.newast.2011.07.004

The Halo occupation distribution: Towards an empirical determination of the relation between galaxies and mass

- Astrophys.J. 575 (2002) 587-616
•
e-Print:
- astro-ph/0109001
•
DOI:
- 10.1086/341469

S. Bhattacharya
,
K. Heitmann
,
M. White
,
Z. Lukíc
,
C. Wagner

et al.

Mass Function Predictions Beyond LCDM

Suman Bhattacharya
(
- Los Alamos
)
,
Katrin Heitmann
(
- Los Alamos
)
,
Martin White
(
- UC, Berkeley
)
,
Zarija Lukic
(
- Los Alamos
)
,
Christian Wagner
(
- ICC, Barcelona U.
)

et al.

- Astrophys.J. 732 (2011) 122
•
e-Print:
- 1005.2239
•
DOI:
- 10.1088/0004-637X/732/2/122

Dark Matter Halo Profiles of Massive Clusters: Theory vs. Observations

Suman Bhattacharya
(
- Argonne and
- Chicago U., KICP
)
,
Salman Habib
(
- Argonne and
- Chicago U., KICP
)
,
Katrin Heitmann
(
- Argonne and
- Chicago U., KICP
)
,
Alexey Vikhlinin
(
- Harvard-Smithsonian Ctr. Astrophys. and
- Moscow, Space Res. Inst.
)

- Astrophys.J. 766 (2013) 32
•
e-Print:
- 1112.5479
•
DOI:
- 10.1088/0004-637X/766/1/32

Vector Models for Data-Parallel Computing, MIT Press

G. Blelloch

Resolving Cosmic Structure Formation with the Millennium-II Simulation

- Mon.Not.Roy.Astron.Soc. 398 (2009) 1150
•
e-Print:
- 0903.3041
•
DOI:
- 10.1111/j.1365-2966.2009.15191.x

Profiles of dark haloes. Evolution, scatter, and environment

- Mon.Not.Roy.Astron.Soc. 321 (2001) 559-575
•
e-Print:
- astro-ph/9908159
•
DOI:
- 10.1046/j.1365-8711.2001.04068.x

Dark matter halo abundances, clustering and assembly histories at high redshift

- Mon.Not.Roy.Astron.Soc. 385 (2008) 2025
•
e-Print:
- 0706.0208
•
DOI:
- 10.1111/j.1365-2966.2008.12972.x

J. Courtin
,
Y. Rasera
,
J.-M. Alimi
,
P.-S. Corasaniti
,
V. Boucher

et al.

Imprints of dark energy on cosmic structure formation: II) Non-Universality of the halo mass function

J. Courtin
(
- LUTH, Meudon and
- Paris Observ.
)
,
Y. Rasera
(
- LUTH, Meudon and
- Paris Observ.
)
,
J.-M. Alimi
(
- LUTH, Meudon and
- Paris Observ. and
- Namur U.
)
,
P.-S. Corasaniti
(
- LUTH, Meudon and
- Paris Observ.
)
,
V. Boucher
(
- Louvain U., CP3
)

et al.

- Mon.Not.Roy.Astron.Soc. 410 (2011) 1911-1931
•
e-Print:
- 1001.3425
•
DOI:
- 10.1111/j.1365-2966.2010.17573.x

A Recipe for galaxy formation

Shaun Cole
(
- Durham U.
)
,
Alfonso Aragon-Salamanca
(
- Durham U.
)
,
Carlos S. Frenk
(
- Durham U.
)
,
Julio F. Navarro
(
- Durham U.
)
,
Stephen E. Zepf
(
- Durham U.
)

- Mon.Not.Roy.Astron.Soc. 271 (1994) 781
•
e-Print:
- astro-ph/9402001
•
DOI:
- 10.1093/mnras/271.4.781

Modeling luminosity-dependent galaxy clustering through cosmic time

Charlie Conroy
(
- Chicago U., KICP and
- Chicago U., EFI
)
,
Risa H. Wechsler
(
- Chicago U., KICP and
- Chicago U., EFI
)
,
Andrey V. Kravtsov
(
- Chicago U., KICP and
- Chicago U., EFI
)

- Astrophys.J. 647 (2006) 201-214
•
e-Print:
- astro-ph/0512234
•
DOI:
- 10.1086/503602

Simulating the Universe with MICE: The abundance of massive clusters

- Mon.Not.Roy.Astron.Soc. 403 (2010) 1353-1367
•
e-Print:
- 0907.0019
•
DOI:
- 10.1111/j.1365-2966.2009.16194.x

A universal model for halo concentrations

- Astrophys.J. 799 (2015) 1, 108
•
e-Print:
- 1407.4730
•
DOI:
- 10.1088/0004-637X/799/1/108

& Dalla Vecchua, C

A.R. Duffy
,
J. Schaye
,
T.K. Kay

- Mon.Not.Roy.Astron.Soc. 390 (2008) 164

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