The First Star-by-star $N$-body/Hydrodynamics Simulation of Our Galaxy Coupling with a Surrogate Model.

Junichiro Makino https://orcid.org/0000-0002-0411-4297 https://www.wikidata.org/entity/Q93916941 https://www.wikidata.org/entity/Q11570584 https://id.loc.gov/authorities/names/n96036256 https://d-nb.info/gnd/1055808477 Keiya Hirashima Michiko S. Fujii Takayuki R. Saitoh Naoto Harada Kentaro Nomura Kohji Yoshikawa Yutaka Hirai Tetsuro Asano Kana Moriwaki Masaki Iwasawa Takashi Okamoto Junichiro Makino The First Star-by-star $N$-body/Hydrodynamics Simulation of Our Galaxy Coupling with a Surrogate Model. 1859-1873 2025 SC https://doi.org/10.1145/3712285.3759866 conf/sc/2025 db/conf/sc/sc2025.html#HirashimaFSHNYH25

Keiya Hirashima Michiko S. Fujii Takayuki R. Saitoh Naoto Harada Kentaro Nomura Kohji Yoshikawa Yutaka Hirai Tetsuro Asano Kana Moriwaki Masaki Iwasawa Takashi Okamoto Junichiro Makino The First Star-by-star N-body/Hydrodynamics Simulation of Our Galaxy Coupling with a Surrogate Model. 2025 October abs/2510.23330 CoRR https://doi.org/10.48550/arXiv.2510.23330 db/journals/corr/corr2510.html#abs-2510-23330 streams/journals/corr

Hikaru Takayashiki Natsuko Saito Hiroto Imachi Ryo Sakamoto Junichiro Makino Performance Analysis of the NICAM Benchmark on MN-Core Processor. 732-736 2024 SC Workshops https://doi.org/10.1109/SCW63240.2024.00102 conf/sc/2024w db/conf/sc/sc2024w.html#TakayashikiSISM24

Keiya Hirashima Kana Moriwaki Michiko S. Fujii Yutaka Hirai Takayuki R. Saitoh Junichiro Makino 3D-Spatiotemporal Forecasting the Expansion of Supernova Shells Using Deep Learning toward High-Resolution Galaxy Simulations. 2023 abs/2302.00026 CoRR https://doi.org/10.48550/arXiv.2302.00026 db/journals/corr/corr2302.html#abs-2302-00026

Keiya Hirashima Kana Moriwaki Michiko S. Fujii Yutaka Hirai Takayuki R. Saitoh Junichiro Makino Shirley Ho Surrogate Modeling for Computationally Expensive Simulations of Supernovae in High-Resolution Galaxy Simulations. 2023 abs/2311.08460 CoRR https://doi.org/10.48550/arXiv.2311.08460 db/journals/corr/corr2311.html#abs-2311-08460

Junichiro Makino Principles of High-Performance Processor Design - For High Performance Computing, Deep Neural Networks and Data Science Springer 2021 1-160 978-3-030-76870-6 https://doi.org/10.1007/978-3-030-76871-3

Masaki Iwasawa Daisuke Namekata Kentaro Nomura Miyuki Tsubouchi Junichiro Makino Extreme-scale particle-based simulations on advanced HPC platforms. 183-195 2020 2 CCF Trans. High Perform. Comput. 2 https://doi.org/10.1007/s42514-020-00020-1 db/journals/ccfthpc/ccfthpc2.html#IwasawaNNTM20

Tadashi Yamazaki Jun Igarashi Junichiro Makino Toshikazu Ebisuzaki Real-time simulation of a cat-scale artificial cerebellum on PEZY-SC processors. 2019 33 Int. J. High Perform. Comput. Appl. 1 https://doi.org/10.1177/1094342017710705 db/journals/ijhpca/ijhpca33.html#YamazakiIME19

Masaki Iwasawa Long Wang 0014 Keigo Nitadori Daisuke Namekata Takayuki Muranushi Miyuki Tsubouchi Junichiro Makino Zhao Liu Haohuan Fu Guangwen Yang 0002 Global Simulation of Planetary Rings on Sunway TaihuLight. 483-495 2018 ICCS (1) https://doi.org/10.1007/978-3-319-93698-7_37 conf/iccS/2018-1 db/conf/iccS/iccS2018-1.html#Iwasawa0NNMTMLF18

Daisuke Namekata Masaki Iwasawa Keigo Nitadori Ataru Tanikawa Takayuki Muranushi Long Wang 0014 Natsuki Hosono Kentaro Nomura Junichiro Makino Fortran interface layer of the framework for developing particle simulator FDPS. 2018 abs/1804.08935 CoRR http://arxiv.org/abs/1804.08935 db/journals/corr/corr1804.html#abs-1804-08935

Takayuki Muranushi Seiya Nishizawa Hirofumi Tomita Keigo Nitadori Masaki Iwasawa Yutaka Maruyama Hisashi Yashiro Yoshifumi Nakamura Hideyuki Hotta Junichiro Makino Natsuki Hosono Hikaru Inoue Automatic generation of efficient codes from mathematical descriptions of stencil computation. 17-22 2016 FHPC@ICFP https://doi.org/10.1145/2975991.2975994 conf/icfp/2016fhpc db/conf/icfp/fhpc2016.html#MuranushiNTNIMY16 Takayuki Muranushi Hideyuki Hotta Junichiro Makino Seiya Nishizawa Hirofumi Tomita Keigo Nitadori Masaki Iwasawa Natsuki Hosono Yutaka Maruyama Hikaru Inoue Hisashi Yashiro Yoshifumi Nakamura Simulations of below-ground dynamics of fungi: 1.184 pflops attained by automated generation and autotuning of temporal blocking codes. 23-33 2016 SC https://doi.org/10.1109/SC.2016.2 https://doi.ieeecomputersociety.org/10.1109/SC.2016.2 http://dl.acm.org/citation.cfm?id=3014908 conf/sc/2016 db/conf/sc/sc2016.html#MuranushiHMNTNI16 Takayuki Muranushi Junichiro Makino Optimal Temporal Blocking for Stencil Computation. 1303-1312 2015 ICCS https://doi.org/10.1016/j.procs.2015.05.315 conf/iccS/2015 db/conf/iccS/iccS2015.html#MuranushiM15 Masaki Iwasawa Ataru Tanikawa Natsuki Hosono Keigo Nitadori Takayuki Muranushi Junichiro Makino FDPS: a novel framework for developing high-performance particle simulation codes for distributed-memory systems. 1:1-1:10 2015 WOLFHPC@SC https://doi.org/10.1145/2830018.2830019 conf/sc/2015wolfhpc db/conf/sc/wolfhpc2015.html#IwasawaTHNMM15

Ataru Tanikawa Douglas Heggie Piet Hut Junichiro Makino Few-body modes of binary formation in core collapse. 35-49 2013 3-4 Astron. Comput. https://doi.org/10.1016/j.ascom.2013.11.002 db/journals/ascom/ascom3.html#TanikawaHHM13

Naohito Nakasato Hiroshi Daisaka Toshiyuki Fukushige Atsushi Kawai Junichiro Makino Tadashi Ishikawa Fukuko Yuasa GRAPE-MPs: Implementation of an SIMD for Quadruple/Hexuple/Octuple-Precision Arithmetic Operation on a Structured ASIC and an FPGA. 75-83 2012 MCSoC https://doi.org/10.1109/MCSoC.2012.31 https://doi.ieeecomputersociety.org/10.1109/MCSoC.2012.31 conf/mcsoc/2012 db/conf/mcsoc/mcsoc2012.html#NakasatoDFKMIY12 Tomoaki Ishiyama Keigo Nitadori Junichiro Makino 4.45 Pflops astrophysical N-body simulation on K computer: the gravitational trillion-body problem. 5 2012 SC https://doi.org/10.1109/SC.2012.3 https://doi.ieeecomputersociety.org/10.1109/SC.2012.3 http://dl.acm.org/citation.cfm?id=2389003 conf/sc/2012 db/conf/sc/sc2012.html#IshiyamaNM12 Junichiro Makino Hiroshi Daisaka GRAPE-8: an accelerator for gravitational N-body simulation with 20.5Gflops/W performance. 104 2012 SC https://doi.org/10.1109/SC.2012.60 https://doi.ieeecomputersociety.org/10.1109/SC.2012.60 http://dl.acm.org/citation.cfm?id=2389137 conf/sc/2012 db/conf/sc/sc2012.html#MakinoD12 Hiroshi Daisaka Naohito Nakasato Junichiro Makino Fukuko Yuasa Tadashi Ishikawa GRAPE-MP: An SIMD Accelerator Board for Multi-precision Arithmetic. 878-887 2011 conf/iccS/2011 ICCS https://doi.org/10.1016/j.procs.2011.04.093 db/journals/procedia/procedia4.html#DaisakaNMYI11 Junichiro Makino Hiroshi Daisaka Toshiyuki Fukushige Yutaka Sugawara Mary Inaba Kei Hiraki The performance of GRAPE-DR for dense matrix operations. 888-897 2011 conf/iccS/2011 ICCS https://doi.org/10.1016/j.procs.2011.04.094 db/journals/procedia/procedia4.html#MakinoDFSIH11 Junichiro Makino GRAPE. 788-796 2011 Encyclopedia of Parallel Computing https://doi.org/10.1007/978-0-387-09766-4_286 reference/parallel/2011 db/reference/parallel/parallel2011.html#Makino11

Derek Groen Simon Portegies Zwart Tomoaki Ishiyama Junichiro Makino High Performance Gravitational N-body Simulations on a Planet-wide Distributed Supercomputer http://arxiv.org/abs/1101.0605 2011 CoRR abs/1101.0605 db/journals/corr/corr1101.html#abs-1101-0605

Simon Portegies Zwart Derek Groen Tomoaki Ishiyama Keigo Nitadori Junichiro Makino Cees de Laat Steve McMillan Kei Hiraki Stefan Harfst Paola Grosso Simulating the Universe on an Intercontinental Grid. 63-70 2010 43 Computer 8 https://doi.org/10.1109/MC.2009.419 http://doi.ieeecomputersociety.org/10.1109/MC.2009.419 db/journals/computer/computer43.html#ZwartGINMLMHHG10

Simon Portegies Zwart Tomoaki Ishiyama Derek Groen Keigo Nitadori Junichiro Makino Cees de Laat Stephen L. W. McMillan Kei Hiraki Stefan Harfst Paola Grosso Simulating the universe on an intercontinental grid of supercomputers http://arxiv.org/abs/1001.0773 2010 CoRR abs/1001.0773 db/journals/corr/corr1001.html#abs-1001-0773

Junichiro Makino Stellar Dynamics, N-body Methods for. 8690-8698 2009 Encyclopedia of Complexity and Systems Science https://doi.org/10.1007/978-0-387-30440-3_521 reference/complexity/2009 db/reference/complexity/ecss2009.html#Makino09 Junichiro Makino Kei Hiraki Mary Inaba GRAPE-DR: 2-Pflops massively-parallel computer with 512-core, 512-Gflops processor chips for scientific computing. 18 2007 SC https://doi.org/10.1145/1362622.1362647 conf/sc/2007 db/conf/sc/sc2007.html#MakinoHI07

Junichiro Makino The GRAPE Project. 30-40 2006 8 Comput. Sci. Eng. 1 https://doi.org/10.1109/MCSE.2006.15 http://doi.ieeecomputersociety.org/10.1109/MCSE.2006.15 https://www.wikidata.org/entity/Q113313183 db/journals/cse/cse8.html#Makino06

Taisuke Boku Mitsuhisa Sato Kenji Onuma Junichiro Makino Hajime Susa Daisuke Takahashi Masayuki Umemura Akira Ukawa HMCS-G: Grid-enabled Hybrid Computing System for Computational Astrophysics. 558-565 2003 conf/ccgrid/2003 CCGRID https://doi.org/10.1109/CCGRID.2003.1199414 https://doi.ieeecomputersociety.org/10.1109/CCGRID.2003.1199414 db/conf/ccgrid/ccgrid2003.html#BokuSOMSTUU03 Junichiro Makino Eiichiro Kokubo Toshiyuki Fukushige Performance evaluation and tuning of GRAPE-6 - towards 40 "real" Tflops. 2 2003 conf/sc/2003 SC https://doi.org/10.1145/1048935.1050153 https://doi.ieeecomputersociety.org/10.1109/SC.2003.10021 db/conf/sc/sc2003.html#MakinoKF03 Taisuke Boku Masayuki Umemura Junichiro Makino Toshiyuki Fukushige Hajime Susa Akira Ukawa Heterogeneous multi-computer system: a new platform for multi-paradigm scientific simulation. 26-34 2002 conf/ics/2002 ICS https://doi.org/10.1145/514191.514198 db/conf/ics/ics2002.html#BokuUMFSU02 Taisuke Boku Junichiro Makino Hajime Susa Masayuki Umemura Toshiyuki Fukushige Akira Ukawa Heterogeneous Multi-Computer System: A New Paradigm of Parallel Processing. 3-8 2002 conf/parelec/2002 PARELEC https://doi.org/10.1109/PCEE.2002.1115187 https://doi.ieeecomputersociety.org/10.1109/PCEE.2002.1115187 db/conf/parelec/parelec2002.html#BokuMSUFU02 Junichiro Makino Eiichiro Kokubo Toshiyuki Fukushige Hiroshi Daisaka A 29.5 Tflops simulation of planetesimals in Uranus-Neptune region on GRAPE-6. 20:1-20:14 2002 conf/sc/2002 SC https://doi.org/10.1109/SC.2002.10022 https://doi.ieeecomputersociety.org/10.1109/SC.2002.10022 http://dl.acm.org/citation.cfm?id=762775 db/conf/sc/sc2002.html#MakinoKFD02 Junichiro Makino Toshiyuki Fukushige Masaki Koga A 1.349 Tflops Simulation of Black Holes in a Galactic Center on GRAPE-6. 2000 conf/sc/2000 SC https://doi.org/10.1109/SC.2000.10042 https://doi.ieeecomputersociety.org/10.1109/SC.2000.10042 http://dl.acm.org/citation.cfm?id=370426 db/conf/sc/sc2000.html#MakinoFK00 43

Toshiyuki Fukushige Piet Hut Junichiro Makino High-performance special-purpose computers in science. 12-13 1999 1 Comput. Sci. Eng. 2 https://doi.org/10.1109/5992.753041 http://doi.ieeecomputersociety.org/10.1109/5992.753041 https://www.wikidata.org/entity/Q113313843 db/journals/cse/cse1.html#FukushigeHM99

Atsushi Kawai Junichiro Makino A Simple Formulation of the Fast Multipole Method: Pseudo-Particle Multipole Method. 1999 conf/ppsc/1999 PP db/conf/ppsc/ppsc1999.html#KawaiM99 Atsushi Kawai Toshiyuki Fukushige Junichiro Makino $7.0/Mflops Astrophysical N-Body Simulation with Treecode on GRAPE-5. 67 1999 SC https://doi.org/10.1145/331532.331598 https://doi.ieeecomputersociety.org/10.1109/SC.1999.10031 conf/sc/1999 db/conf/sc/sc1999.html#KawaiFM99 Junichiro Makino Makoto Taiji Scientific simulations with special purpose computers - the GRAPE systems. I-VIII, 1-239 Wiley 1998 978-0-471-96946-4

Junichiro Makino Productivity of research groups-relation between citation analysis and reputation within research communities. 87-93 1998 43 Scientometrics 1 https://doi.org/10.1007/BF02458398 db/journals/scientometrics/scientometrics43.html#Makino98

Tsuyoshi Hamada Toshiyuki Fukushige Atsushi Kawai Junichiro Makino PROGRAPE-1: A Programmable Special-Purpose Computer for Many-Body Simulations. 256-257 1998 conf/fccm/1998 FCCM https://doi.org/10.1109/FPGA.1998.707905 https://doi.ieeecomputersociety.org/10.1109/FPGA.1998.707905 db/conf/fccm/fccm1998.html#HamadaFKM98 Toshiyuki Fukushige Junichiro Makino N-Boday Simulation of Galaxy Formation on GRAPE-4 Special-Purpose Computer. 48 1996 SC https://doi.ieeecomputersociety.org/10.1109/SC.1996.25 https://doi.org/10.1145/369028.369130 conf/sc/1996 db/conf/sc/sc1996.html#FukushigeM96 Junichiro Makino Makoto Taiji Toshikazu Ebisuzaki Daiichiro Sugimoto GRAPE-4: A Special-Purpose Computer for Gravitational N-Body Problems. 343-348 1995 conf/ppsc/1995 PP db/conf/ppsc/ppsc1995.html#MakinoTES95 Junichiro Makino Makoto Taiji Astrophysical N-body simulations on the GRAPE-4 Special-Purpose Computer. 1995 conf/sc/1995 SC https://doi.org/10.1145/224170.224400 https://doi.ieeecomputersociety.org/10.1109/SUPERC.1995.15 db/conf/sc/sc1995.html#MakinoT95 63

Junichi Higo Shigeru Endo Kuniaki Nagayama Tomoyoshi Ito Toshiyuki Fukushige Toshikazu Ebisuzaki Daiichiro Sugimoto Hiroo Miyagawa Kunihiro Kitamura Junichiro Makino Application of a High-Performance, Special-Purpose Computer, GRAPE-2A, to Molecular Dynamics. 1372-1376 1994 15 J. Comput. Chem. 12 db/journals/jcc/jcc15.html#HigoENIFESMKM94 https://doi.org/10.1002/jcc.540151207

Yousuke Ohno Junichiro Makino Izumi Hachisu Toshikazu Ebisuzaki Daiichiro Sugimoto DREAM-1A: Special-Purpose Computer for Computational Fluid Dynamics. 282-291 1994 conf/hicss/1994 HICSS (1) db/conf/hicss/hicss1994.html#OhnoMHES94 https://doi.org/10.1109/HICSS.1994.323163 Eiichiro Kokubo Junichiro Makino Makoto Taiji HARP-1: A Special-Purpose Computer for itN-body Simulation with the Hermite Integrator. 292-301 1994 conf/hicss/1994 HICSS (1) db/conf/hicss/hicss1994.html#KokuboMT94 https://doi.org/10.1109/HICSS.1994.323162 Makino Taiji Junichiro Makino Eiichiro Kokubo Toshikazu Ebisuzaki Daiichiro Sugimoto HARP Chip: A.600 Mflops Application-Specific LSI for Astrophysical itN-body Simulations. 302-311 1994 conf/hicss/1994 HICSS (1) db/conf/hicss/hicss1994.html#TaijiKES94 https://doi.org/10.1109/HICSS.1994.323161 Makoto Taiji Junichiro Makino Toshikazu Ebisuzaki Daiichiro Sugimoto GRAPE-4: A Teraflops Massively Parallel Special-Purpose Computer System for Astrophysical itN-body Simulations. 280-287 1994 conf/ipps/1994 IPPS db/conf/ipps/ipps1994.html#TaijiMES94 https://doi.org/10.1109/IPPS.1994.288288 https://doi.ieeecomputersociety.org/10.1109/IPPS.1994.288288 Junichiro Makino Makoto Taiji Toshikazu Ebisuzaki Daiichiro Sugimoto GRAPE-4: a one-Tflops special-purpose computer for astrophysical N-body problem. 429-438 1994 conf/sc/1994 SC https://doi.org/10.1109/SUPERC.1994.344306 https://doi.ieeecomputersociety.org/10.1109/SUPERC.1994.344306 http://dl.acm.org/citation.cfm?id=602845 db/conf/sc/sc1994.html#MakinoTES94 Junichiro Makino Tomoyoshi Ito Toshikazu Ebisuzaki Daiichiro Sugimoto GRAPE: a special-purpose computer for N-body problems. 180-189 1990 ASAP https://doi.org/10.1109/ASAP.1990.145455 conf/asap/1990 db/conf/asap/asap1990.html#MakinoIES90 Tetsuro Asano Taisuke Boku Hiroshi Daisaka Toshikazu Ebisuzaki Shigeru Endo Haohuan Fu Michiko S. Fujii Toshiyuki Fukushige Derek Groen Paola Grosso Izumi Hachisu Tsuyoshi Hamada Naoto Harada Stefan Harfst Douglas Heggie Junichi Higo Yutaka Hirai Kei Hiraki Keiya Hirashima Shirley Ho Natsuki Hosono Hideyuki Hotta Piet Hut Jun Igarashi Hiroto Imachi Mary Inaba Hikaru Inoue Tadashi Ishikawa Tomoaki Ishiyama Tomoyoshi Ito Masaki Iwasawa Atsushi Kawai Kunihiro Kitamura Masaki Koga Eiichiro Kokubo Cees T. A. M. de LaatCees de Laat Zhao Liu Yutaka Maruyama Stephen L. W. McMillan Steve McMillan Hiroo Miyagawa Kana Moriwaki Takayuki Muranushi Kuniaki Nagayama Yoshifumi Nakamura Naohito Nakasato Daisuke Namekata Seiya Nishizawa Keigo Nitadori Kentaro Nomura Yousuke Ohno Takashi Okamoto Kenji Onuma Natsuko Saito Takayuki R. Saitoh Ryo Sakamoto Mitsuhisa Sato Yutaka Sugawara Daiichiro Sugimoto Hajime Susa Makino Taiji Makoto Taiji Daisuke Takahashi Hikaru Takayashiki Ataru Tanikawa Hirofumi Tomita Miyuki Tsubouchi Akira Ukawa Masayuki Umemura Long Wang 0014 Tadashi Yamazaki Guangwen Yang 0002 Hisashi Yashiro Kohji Yoshikawa Fukuko Yuasa Simon Portegies Zwart