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ORCIDUmpei Nagashima
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2010 – 2019
- 2011
[c14]Jun Koseki, Yukiumi Kita, Umpei Nagashima, Masanori Tachikawa:
Theoretical study of the reversible photoconversion mechanism in Dronpa. ICCS 2011: 251-260- 2010
- [j18]Tsutomu Ikegami, Tetsuya Sakurai, Umpei Nagashima:
A filter diagonalization for generalized eigenvalue problems based on the Sakurai-Sugiura projection method. J. Comput. Appl. Math. 233(8): 1927-1936 (2010) - [j17]Hiroaki Umeda, Yuichi Inadomi, Toshio Watanabe
, Toru Yagi, Takayoshi Ishimoto, Tsutomu Ikegami, Hiroto Tadano, Tetsuya Sakurai, Umpei Nagashima:
Parallel Fock matrix construction with distributed shared memory model for the FMO-MO method. J. Comput. Chem. 31(13): 2381-2388 (2010)
2000 – 2009
- 2009
- [j16]Hiroaki Umeda, Yuichi Inadomi, Hiroaki Honda, Umpei Nagashima:
Parallel Fock matrix construction program for molecular orbital calculation - Specific computer with a hierarchical network. J. Comput. Chem. 30(5): 826-831 (2009) - 2008
- [j15]Tetsuya Sakurai, Yoshihisa Kodaki, Hiroto Tadano, Daisuke Takahashi, Mitsuhisa Sato, Umpei Nagashima:
A parallel method for large sparse generalized eigenvalue problems using a GridRPC system. Future Gener. Comput. Syst. 24(6): 613-619 (2008) - 2007
- [j14]Mitsuhiro Kanazawa, Hisae Anyoji, Atsushi Ogiwara, Umpei Nagashima:
De novo peptide sequencing using ion peak intensity and amino acid cleavage intensity ratio. Bioinform. 23(9): 1068-1072 (2007) - 2006
- [c13]Tetsuya Sakurai, Yoshihisa Kodaki, Hiroto Tadano, Hiroaki Umeda, Yuichi Inadomi, Toshio Watanabe, Umpei Nagashima:
A Master-Worker Type Eigensolver for Molecular Orbital Computations. PARA 2006: 617-625 - 2005
- [j13]Shigeyoshi Yamamoto, Umpei Nagashima:
Four-index integral transformation exploiting symmetry. Comput. Phys. Commun. 166(1): 58-65 (2005) - [c12]Tetsuya Sakurai, Yoshihisa Kodaki, Hiroaki Umeda, Yuichi Inadomi, Toshio Watanabe, Umpei Nagashima:
A Hybrid Parallel Method for Large Sparse Eigenvalue Problems on a Grid Computing Environment Using Ninf-G/MPI. LSSC 2005: 438-445 - 2004
- [j12]Hiroaki Umeda, Shiro Koseki, Umpei Nagashima:
Improvement of parallelization performance of GAMESS: Global sum and (semi-)direct integral calculation in multireference perturbation calculation. J. Comput. Chem. 25(9): 1175-1183 (2004) - 2003
- [c11]Takeshi Nishikawa, Umpei Nagashima, Satoshi Sekiguchi:
Design and Implementation of Intelligent Scheduler for Gaussian Portal on Quantum Chemistry Grid. International Conference on Computational Science 2003: 244-253 - 2002
- [j11]Hajime Takashima, So Yamada, Shigeru Obara, Kunihiro Kitamura, Shinjiro Inabata, Nobuaki Miyakawa, Kazutoshi Tanabe, Umpei Nagashima:
A novel parallel algorithm for large-scale Fock matrix construction with small locally distributed memory architectures: RT parallel algorithm. J. Comput. Chem. 23(14): 1337-1346 (2002) - 2001
- [j10]Hiroaki Umeda, Shiro Koseki, Umpei Nagashima, Michael W. Schmidt:
Parallelization of multireference perturbation calculations with GAMESS. J. Comput. Chem. 22(12): 1243-1251 (2001) - [j9]Yuto Komeiji, Makoto Haraguchi, Umpei Nagashima:
Parallel molecular dynamics simulation of a protein. Parallel Comput. 27(8): 977-987 (2001) - [c10]Yuichi Inadomi, Tatsuya Nakano, Kazuo Kitaura, Umpei Nagashima:
Increased Efficiency of Parallel Calculations of Fragment Molecular Orbitals by Using Fine-Grained Parallelization on a HITACHI SR8000 Supercomputer. HPCN Europe 2001: 569-572 - [c9]Osamu Tatebe, Umpei Nagashima, Satoshi Sekiguchi, Hisayoshi Kitabayashi, Yoshiyuki Hayashida:
Design and implementation of FMPL, a fast message-passing library for remote memory operations. SC 2001: 15 - 2000
- [j8]Kento Aida, Atsuko Takefusa, Hidemoto Nakada, Satoshi Matsuoka, Satoshi Sekiguchi, Umpei Nagashima:
Performance Evaluation Model for Scheduling in Global Computing Systems. Int. J. High Perform. Comput. Appl. 14(3): 268-279 (2000) - [c8]Masayo Haneda, Mariko Sasakura, Umpei Nagashima, Yoshitoshi Kunieda, Kazuki Joe:
Collaboration of Parafrase-2 and NaraView for Effective Parallelization Supports. PDPTA 2000
1990 – 1999
- 1999
- [j7]Hajime Takashima, Kunihiro Kitamura, Kazutoshi Tanabe, Umpei Nagashima:
Is large-scale ab initio Hartree-Fock calculation chemically accurate? Toward improved calculation of biological molecule properties. J. Comput. Chem. 20(4): 443-454 (1999) - [c7]Atsuko Takefusa, Satoshi Matsuoka, Hidemoto Nakada, Kento Aida, Umpei Nagashima:
Overview of a Performance Evaluation System for Global Computing Scheduling Algorithms. HPDC 1999: 97-104 - [c6]Koji Hashimoto, Hiroto Tomita, Koji Inoue, Katsuhiko Metsugi, Kazuaki J. Murakami, Shinjiro Inabata, So Yamada, Nobuaki Miyakawa, Hajime Takashima, Kunihiro Kitamura, Shigeru Obara, Takashi Amisaki, Kazutoshi Tanabe, Umpei Nagashima:
MOE: A Special-Purpose Parallel Computer for High-Speed, Large-Scale Molecular Orbital Calculation. SC 1999: 58 - 1998
- [j6]Hiromitsu Takagi, Satoshi Matsuoka, Hidemoto Nakada, Satoshi Sekiguchi, Mitsuhisa Sato, Umpei Nagashima:
Ninflet: a migratable parallel objects framework using Java. Concurr. Pract. Exp. 10(11-13): 1063-1078 (1998) - [j5]Mitsuhisa Sato, Hiroshi Tezuka, Atsushi Hori, Yutaka Ishikawa, Satoshi Sekiguchi, Hidemoto Nakada, Satoshi Matsuoka, Umpei Nagashima:
Ninf and PM: Communication libraries for global computing and high-performance cluster computing. Future Gener. Comput. Syst. 13(4-5): 349-359 (1998) - [c5]Hidemoto Nakada, Hiromitsu Takagi, Satoshi Matsuoka, Umpei Nagashima, Mitsuhisa Sato, Satoshi Sekiguchi:
Utilizing the Metaserver Architecture in the Ninf Global Computing System. HPCN Europe 1998: 607-616 - [c4]Kento Aida, Atsuko Takefusa, Hidemoto Nakada, Satoshi Matsuoka, Umpei Nagashima:
A Performance Evaluation Model for Effective Job Scheduling in Global Computing Systems. HPDC 1998: 352-353 - 1997
- [j4]Satoko Sakata, Umpei Nagashima, Mitsuhisa Sato, Satoshi Sekiguchi, Haruo Hosoya:
Performance Evaluation of a Workstation Cluster, TMC CM-5, and Intel Paragon/XP Using a Parallel Homology Analysis Program. Parallel Comput. 22(12): 1677-1693 (1997) - [c3]Mitsuhisa Sato, Hidemoto Nakada, Satoshi Sekiguchi, Satoshi Matsuoka, Umpei Nagashima, Hiromitsu Takagi:
Ninf: A Network Based Information Library for Global World-Wide Computing Infrastructure. HPCN Europe 1997: 491-502 - [c2]Atsuko Takefusa, Satoshi Matsuoka, Hirotaka Ogawa, Hidemoto Nakada, Hiromitsu Takagi, Mitsuhisa Sato, Satoshi Sekiguchi, Umpei Nagashima:
Multi-client LAN/WAN Performance Analysis of Ninf: a High-Performance Global Computing System. SC 1997: 22 - 1996
- [j3]Yoshimi Isu, Umpei Nagashima, Tomoo Aoyama, Haruo Hosoya:
Development of Neural Network Simulator for Structure-Activity Correlation of Molecules (NECO). Prediction of Endo/Exo Substitution of Norbornane Derivatives and of Carcinogenic Activity of PAHs from 13C-NMR Shifts. J. Chem. Inf. Comput. Sci. 36(2): 286-293 (1996) - 1995
- [j2]Umpei Nagashima, Sachiko Hyugaji, Satoshi Sekiguchi, Mitsuhisa Sato, Haruo Hosoya:
An Experience with Super-Linear Speedup Achieved by Parallel Computing on a Workstation Cluster: Parallel Calculation of Density of States of Large Scale Cyclic Polyacenes. Parallel Comput. 21(9): 1491-1504 (1995) - 1994
- [j1]Haruo Hosoya, Umpei Nagashima, Sachiko Hyugaji:
Topological Twin Graphs. Smallest Pair of Isospectral Polyhedral Graphs with Eight Vertices. J. Chem. Inf. Comput. Sci. 34(2): 428-431 (1994) - 1990
- [c1]Umpei Nagashima, Fumio Nishimoto, Takashi Shibata, Hiroshi Itoh, Minoru Gotoh:
An improvement of I/O function for auxiliary storage: parallel I/O for a large scale supercomputing. ICS 1990: 48-59
Coauthor Index
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