T
Takashi Shimokawabe
Researcher at University of Tokyo
Publications - 67
Citations - 5267
Takashi Shimokawabe is an academic researcher from University of Tokyo. The author has contributed to research in topics: Gamma-ray burst & Supercomputer. The author has an hindex of 22, co-authored 62 publications receiving 4629 citations. Previous affiliations of Takashi Shimokawabe include Tokyo Institute of Technology.
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Journal ArticleDOI
The Large Area Telescope on the Fermi Gamma-ray Space Telescope Mission
W. B. Atwood,A. A. Abdo,A. A. Abdo,Markus Ackermann,W. Althouse,Brandon Anderson,Magnus Axelsson,Luca Baldini,Jean Ballet,David L. Band,Guido Barbiellini,Guido Barbiellini,J. Bartelt,Denis Bastieri,Denis Bastieri,B. M. Baughman,Keith Bechtol,D. Bédérède,F. Bellardi,Ronaldo Bellazzini,B. Berenji,Giovanni F. Bignami,Dario Bisello,Dario Bisello,Elisabetta Bissaldi,Roger Blandford,E. D. Bloom,J. R. Bogart,Emanuele Bonamente,Emanuele Bonamente,Jerry T. Bonnell,A. W. Borgland,A. Bouvier,Johan Bregeon,Alessandro Brez,M. Brigida,M. Brigida,P. Bruel,T. H. Burnett,G. Busetto,G. Busetto,G. A. Caliandro,G. A. Caliandro,R. A. Cameron,P. A. Caraveo,Staffan Carius,P. Carlson,J. M. Casandjian,E. Cavazzuti,M. Ceccanti,C. Cecchi,C. Cecchi,Eric Charles,A. Chekhtman,A. Chekhtman,C. C. Cheung,James Chiang,R. Chipaux,A. N. Cillis,Stefano Ciprini,Stefano Ciprini,R. Claus,Johann Cohen-Tanugi,S. Condamoor,Jan Conrad,Jan Conrad,Robin H. D. Corbet,L. Corucci,L. Costamante,S. Cutini,David S. Davis,David S. Davis,D. Decotigny,M. Deklotz,Charles D. Dermer,A. De Angelis,Seth Digel,E. Do Couto E Silva,Persis S. Drell,R. Dubois,D. Dumora,D. Dumora,Y. Edmonds,D. Fabiani,Christian Farnier,C. Favuzzi,C. Favuzzi,D. L. Flath,P. Fleury,W. B. Focke,Stefan Funk,P. Fusco,P. Fusco,F. Gargano,Dario Gasparrini,Neil Gehrels,Neil Gehrels,F.-X. Gentit,S. Germani,S. Germani,B. Giebels,Nicola Giglietto,Nicola Giglietto,Paolo Giommi,F. Giordano,F. Giordano,T. Glanzman,G. Godfrey,I. A. Grenier,M.-H. Grondin,M.-H. Grondin,J. E. Grove,L. Guillemot,L. Guillemot,S. Guiriec,Gunther Haller,Alice K. Harding,P. A. Hart,E. Hays,S. E. Healey,M. Hirayama,M. Hirayama,L. Hjalmarsdotter,R. Horn,R. E. Hughes,Gudlaugur Johannesson,G. Johansson,A. S. Johnson,R. P. Johnson,Tyrel J. Johnson,Tyrel J. Johnson,W. N. Johnson,T. Kamae,Hideaki Katagiri,Jun Kataoka,A. Kavelaars,Nobuyuki Kawai,H. Kelly,Matthew Kerr,Wlodzimierz Klamra,Jürgen Knödlseder,Martin Kocian,N. Komin,N. Komin,F. Kuehn,M. Kuss,D. Landriu,Luca Latronico,B. Lee,Shiu-Hang Lee,Marianne Lemoine-Goumard,Marianne Lemoine-Goumard,Andrea Lionetto,Andrea Lionetto,Francesco Longo,Francesco Longo,F. Loparco,F. Loparco,Benoit Lott,Benoit Lott,M. N. Lovellette,P. Lubrano,P. Lubrano,G. M. Madejski,A. Makeev,A. Makeev,B. Marangelli,B. Marangelli,M.M. Massai,M. N. Mazziotta,Julie McEnery,N. Menon,C. Meurer,Peter F. Michelson,Massimo Minuti,N. Mirizzi,N. Mirizzi,W. Mitthumsiri,Tsunefumi Mizuno,A. A. Moiseev,C. Monte,C. Monte,M. E. Monzani,Elena Moretti,Elena Moretti,A. Morselli,A. Morselli,Igor V. Moskalenko,S. Murgia,Takeshi Nakamori,Sho Nishino,P. L. Nolan,J. P. Norris,Eric Nuss,Masanori Ohno,T. Ohsugi,Nicola Omodei,E. Orlando,J. F. Ormes,Alessandro Paccagnella,Alessandro Paccagnella,David Paneque,J. H. Panetta,D. Parent,D. Parent,Mark Pearce,M. Pepe,M. Pepe,A. Perazzo,Melissa Pesce-Rollins,P. Picozza,P. Picozza,L. Pieri,Michele Pinchera,F. Piron,T. A. Porter,L. Poupard,S. Rainò,S. Rainò,Robert R. Rando,Robert R. Rando,E. Rapposelli,M. Razzano,A. Reimer,Olaf Reimer,T. Reposeur,T. Reposeur,L. C. Reyes,S. Ritz,S. Ritz,L. S. Rochester,A. Y. Rodriguez,Roger W. Romani,M. Roth,J. J. Russell,Felix Ryde,S. Sabatini,S. Sabatini,Hartmut Sadrozinski,David Sanchez,A. Sander,L. Sapozhnikov,P. M. Saz Parkinson,Jeffrey D. Scargle,T. L. Schalk,G. Scolieri,Carmelo Sgrò,Gerald H. Share,Gerald H. Share,M. S. Shaw,Takashi Shimokawabe,Chris Shrader,Agnieszka Sierpowska-Bartosik,E. J. Siskind,David A. Smith,David A. Smith,P. D. Smith,Gloria Spandre,P. Spinelli,P. Spinelli,Jean-Luc Starck,T. E. Stephens,M. S. Strickman,Andrew W. Strong,D. J. Suson,Hiroyasu Tajima,Hiromitsu Takahashi,Tadayuki Takahashi,Takaaki Tanaka,A. Tenze,S. Tether,J. B. Thayer,J. G. Thayer,D. J. Thompson,L. Tibaldo,L. Tibaldo,O. Tibolla,Diego F. Torres,Diego F. Torres,Gino Tosti,Gino Tosti,A. Tramacere,M. Turri,T. L. Usher,N. Vilchez,V. Vitale,V. Vitale,P. Wang,K. Watters,Brian L Winer,K. S. Wood,T. Ylinen,M. Ziegler +292 more
TL;DR: The Large Area Telescope (Fermi/LAT) as mentioned in this paper is the primary instrument on the Fermi Gamma-ray Space Telescope, which is an imaging, wide field-of-view, high-energy gamma-ray telescope, covering the energy range from below 20 MeV to more than 300 GeV.
Proceedings ArticleDOI
Peta-scale phase-field simulation for dendritic solidification on the TSUBAME 2.0 supercomputer
Takashi Shimokawabe,Takayuki Aoki,Tomohiro Takaki,Toshio Endo,Akinori Yamanaka,Naoya Maruyama,Akira Nukada,Satoshi Matsuoka +7 more
TL;DR: In this article, the phase-field simulation is used to simulate the micro-scale dendritic growth during solidification in a binary alloy, achieving 1.017 PFlops in single precision for the largest configuration using 4,000 GPUs along with 16,000 CPU cores.
Proceedings ArticleDOI
An 80-Fold Speedup, 15.0 TFlops Full GPU Acceleration of Non-Hydrostatic Weather Model ASUCA Production Code
Takashi Shimokawabe,Takayuki Aoki,Chiashi Muroi,Jun-ichi Ishida,Kohei Kawano,Toshio Endo,Akira Nukada,Naoya Maruyama,Satoshi Matsuoka +8 more
TL;DR: This work presents the first full CUDA porting of the high- resolution weather prediction model ASUCA, the first such one to be known to date, and demonstrates over 80-fold speedup and good weak scaling achieving 15.0 TFlops in single precision.
Journal ArticleDOI
Two-dimensional phase-field simulations of dendrite competitive growth during the directional solidification of a binary alloy bicrystal
TL;DR: In this article, the competitive growth of dendrites at the converging grain boundaries (GBs) of bicrystals during the directional solidification of an Al-Cu alloy was investigated by means of two-dimensional phase-field simulations.
Journal ArticleDOI
Unexpected selection of growing dendrites by very-large-scale phase-field simulation
TL;DR: In this paper, the survival of unfavorably oriented dendrites and highly complicated dendrite-dendrite interactions in three-dimensional space during the directional solidification of a binary alloy were observed for the first time through very large-scale phase-field computations performed by a graphics processing unit (GPU) supercomputer and a high-performance algorithm developed for parallel computing.