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Developer NEC
OS family Unix System V
Working state Current
Latest release R21.1 [1] [2] / March 2014; 4 years ago (2014-03)
Marketing target Supercomputing
Platforms NEC SX supercomputers
License Proprietary
Official website

SUPER-UX is the version of the Unix operating system that is used on NEC SX architecture supercomputers.[3]


The initial version of SUPER-UX was based on UNIX System V version 3.1 with features from BSD 4.3.[4][5][6] The version for the NEC SX-9 was based on SVR4.2MP with BSD enhancements.[7]


SUPER-UX is a 64-bit UNIX operating system.[4] It supports the Supercomputer File System (SFS).[4]

Earth Simulator

The Earth Simulator uses a custom OS called "ESOS" (Earth Simulator Operating System) based on SUPER-UX.[8][9][10] It has many enhanced features custom designed for the Earth Simulator which are not in the regular SUPER-UX OS.[8]


  1. ^ SUPER-UX documentation
  2. ^ Kernel Correction
  3. ^ Watanabe, Tadashi (1993). "NEC SX-3 Supercomputer System". Supercomputers and Their Performance in Computational Fluid Dynamics. Notes on Numerical Fluid Mechanics (NNFM). 37. doi:10.1007/978-3-322-87863-2_4.
  4. ^ a b c Nishino, H.; Naka, S.; Ikumi, K.; Leslie, W. (1 August 1989). "High performance file system for supercomputing environment" (PDF). Proceedings of the 1989 ACM/IEEE conference on Supercomputing. ACM: 747–756. doi:10.1145/76263.76348. Retrieved 25 August 2018.
  5. ^ Hammond, S.W.; Loft, R.D.; Tannenbaum, P.D. (1996). "Architecture and Application: The Performance of the NEC SX-4 on the NCAR Benchmark Suite - IEEE Conference Publication" (PDF). doi:10.1109/SUPERC.1996.183527. Retrieved 25 August 2018.
  6. ^ IWAYA, AKIHIRO; WATANABE, TADASHI (September 1991). "THE PARALLEL PROCESSING FEATURE OF THE NEC SX-3 SUPERCOMPUTER SYSTEM". International Journal of High Speed Computing. 03 (03n04): 187–197. doi:10.1142/S0129053391000085.
  7. ^ TOMARU, Hiroku; MIYAZAKI, Emiko; OHTANI, Atsuhisa; SATAKE, Koji; SAKAI, Satoshi; KITAGAWA, Toshiyuki. "Outline of the SUPER-UX, Operating System for the SX-9" (PDF). NEC. NEC. Retrieved 25 August 2018.
  8. ^ a b Uno, Atsuya (2005). "Software of the Earth Simulator". Journal of the Earth Simulator. 3: 52–59. Retrieved 25 August 2018.
  9. ^ Yanagawa, Takashi; Suehiro, Kenji (December 2004). "Software system of the Earth Simulator". Parallel Computing. 30 (12): 1315–1327. doi:10.1016/j.parco.2004.09.005.
  10. ^ Carter, Jonathan; Oliker, Leonid; Shalf, John (10 June 2006). "Performance Evaluation of Scientific Applications on Modern Parallel Vector Systems" (PDF). Lecture Notes in Computer Science. Springer Berlin Heidelberg: 490–503. doi:10.1007/978-3-540-71351-7_38.

See also

External links

  • NEC Europe HPC
  • NEC Japan HPC

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