By Toshihiro Hongo (auth.), Kozo Fujii (eds.)
Supercomputer applied sciences have developed swiftly because the first commercial-based supercomputer, CRAY-1 was once brought in 1976. In early 1980's 3 jap tremendous desktops seemed, and Cray examine brought the X-MP sequence. those machines together with the later-announced CRAY-2 and NEC SX sequence created one new release of supercomputers, and the marketplace was once unfold dramatically. the height functionality was once better than 1 GFLOPS and the compiler development was once impressive. There seemed many articles and books that defined their structure and their functionality at the past due 1980's observed a brand new new release of supercomputers. a number of benchmark difficulties. Following CRAY Y-MP and Hitachi S-820 introduced in 1988, NEC introduced SX-3 and Fujitsu introduced the VP2000 sequence in 1990. moreover, Cray examine introduced the Y-MP C-90 overdue in 1991. the height functionality of those machines reached a number of to some ten's GFLOPS. The features of those machines are identified, yet their sensible functionality has now not been good documented to date. Computational Fluid Dynamics (CFD) is without doubt one of the vital study fields which have been progressing with the expansion of supercomputers. state-of-the-art fluid dynamic re seek can't be mentioned with no supercomputers and because CFD is likely one of the im portant clients of supercomputers, destiny improvement of supercomputers has to take the necessities of CFD under consideration. there are various benchmark experiences on hand this day. even though, they commonly use so referred to as kernels. For fluid dynamics researchers, benchmark try out on actual fluid dynamic codes are necessary.
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Extra resources for Supercomputers and Their Performance in Computational Fluid Dynamics
Figure 4 shows a block diagram of the Fujitsu VP2000 series. The system consists of vector processing unit (VPU), main storage unit (MSU), and channel processor (ClIP). The VPU corresponds to the central processing unit (CPU) of general-purpose computer, and consists of scalar unit (SU) and vector unit (VU). The new features supported in the VP2000 series are the adoption of a multiprocessing architecture, the expansion of main storage, the introduction of system storage, and connection to UNIX* environments.
F7). , "The FACOM 230-75 Array Processor System," 3rd USA-JAPAN Comput. , 1978, pp. 369-73. , Takase, A. , "FACOM VP Series E model," ISR (Institute for Supercomputing Research) Technical Report, Proceedings of the first APPI work shop on supercomputing, 1987, pp. 202-220, (ISR TR87-03). , Yoshida, M. , " FUJITSU VP2000 Series," Compcon Spring '90, 1990, pp. 4-11. , Tamura, H. , "System Overview of FUJITSU VP2000 series," Fujitsu Scientific and Technical Journal, Vol. 2, 1991. , "Basic Software for FUJITSU VP2000 Series", Fujitsu Scientific and Technical Journal, Vol.
1 Parallel construction As illustrated in Fig. 4, the S-820 Model 80 has four add/logical operation units, four multiply-and-add units and a divide unit for arithmetic operations. A multiplyand-add unit consists of a multiply subunit and an add subunit in a cascade connection. The twelve (12) arithmetic units, namely, the add/logical operation units, the multiply subunits and the add subunits, together with the load or the load/store units and rows of vector registers, form pipelines in that operands go through them vector element after vector element in a pipeline manner.
Supercomputers and Their Performance in Computational Fluid Dynamics by Toshihiro Hongo (auth.), Kozo Fujii (eds.)