NEC SX: Difference between revisions
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==History== |
==History== |
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The first models, the SX-1 and SX-2, were announced in April 1983.<ref name="IPSJ-SX-1-2" /><ref name="1985-computer-physics" /><ref name="1987-parallel-computing" /><ref name="1999-parallel-computing" /> The SX-2 was the first computer to exceed 1 [[gigaflop]].<ref name="IPSJ-SX-1-2" /> |
The first models, the SX-1 and SX-2, were announced in April 1983.<ref name="IPSJ-SX-1-2" /><ref name="1985-computer-physics" /><ref name="1987-parallel-computing" /><ref name="1999-parallel-computing" /> The SX-2 was the first computer to exceed 1 [[gigaflop]].<ref name="1990-supercomputing-watanabe" /><ref name="IPSJ-SX-1-2" /> |
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Since the SX-4, SX series supercomputers are constructed in a doubly parallel manner.{{citation-needed|date=August 2018}} A number of [[central processing unit]]s (CPUs) are arranged into a [[Parallel computing|parallel]] [[Vector processor|vector processing]] node.{{citation-needed|date=August 2018}} These nodes are then installed in a regular [[Symmetric multiprocessing|SMP]] arrangement.{{citation-needed|date=August 2018}} |
Since the SX-4, SX series supercomputers are constructed in a doubly parallel manner.{{citation-needed|date=August 2018}} A number of [[central processing unit]]s (CPUs) are arranged into a [[Parallel computing|parallel]] [[Vector processor|vector processing]] node.{{citation-needed|date=August 2018}} These nodes are then installed in a regular [[Symmetric multiprocessing|SMP]] arrangement.{{citation-needed|date=August 2018}} |
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<ref name="1988-supercomputing">{{cite journal |last1=Dongarra |first1=Jack J. |title=The LINPACK Benchmark: An explanation |journal=Supercomputing |date=1988 |pages=456–474 |doi=10.1007/3-540-18991-2_27 |accessdate=24 August 2018}}</ref> |
<ref name="1988-supercomputing">{{cite journal |last1=Dongarra |first1=Jack J. |title=The LINPACK Benchmark: An explanation |journal=Supercomputing |date=1988 |pages=456–474 |doi=10.1007/3-540-18991-2_27 |accessdate=24 August 2018}}</ref> |
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<ref name="1993-watanabe">{{cite journal |last1=Watanabe |first1=Tadashi |title=NEC SX-3 Supercomputer System |journal=Supercomputers and Their Performance in Computational Fluid Dynamics. Notes on Numerical Fluid Mechanics (NNFM) |date=1993 |volume=37 |doi=10.1007/978-3-322-87863-2_4 |accessdate=24 August 2018}}</ref> |
<ref name="1993-watanabe">{{cite journal |last1=Watanabe |first1=Tadashi |title=NEC SX-3 Supercomputer System |journal=Supercomputers and Their Performance in Computational Fluid Dynamics. Notes on Numerical Fluid Mechanics (NNFM) |date=1993 |volume=37 |doi=10.1007/978-3-322-87863-2_4 |accessdate=24 August 2018}}</ref> |
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<ref name="1990-supercomputing-watanabe">{{cite journal |last1=Watanabe |first1=Tadashi |title=Advanced Architecture and Technology of the NEC SX-3 Supercomputer |journal=Supercomputing |pages=119–128 |date=1990 |volume=62 |doi=10.1007/978-3-642-75771-6_8 |url=https://link.springer.com/chapter/10.1007/978-3-642-75771-6_8 |accessdate=25 August 2018}}</ref> |
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Revision as of 07:43, 25 August 2018
The SX series are vector supercomputers designed, manufactured, and marketed by NEC. The current model, as of 2018, is the SX-Aurora TSUBASA.
History
The first models, the SX-1 and SX-2, were announced in April 1983.[1][2][3][4] The SX-2 was the first computer to exceed 1 gigaflop.[5][1]
Since the SX-4, SX series supercomputers are constructed in a doubly parallel manner.[citation needed] A number of central processing units (CPUs) are arranged into a parallel vector processing node.[citation needed] These nodes are then installed in a regular SMP arrangement.[citation needed]
Starting in 2001, Cray marketed the SX-5 and SX-6 exclusively in the US and non-exclusively elsewhere for a short time.[citation needed]
The Earth Simulator, built from SX-6 nodes, was the fastest supercomputer from 2002 to 2004 on the LINPACK benchmark, achieving 35.86 TFLOPS.[citation needed]
For his work on the SX series, Tadashi Watanabe received the Eckert–Mauchly Award in 1998 and the Seymour Cray Computer Engineering Award in 2006.[citation needed]
Hardware
System | Introduction | Max. CPUs | Peak CPU double precision GFLOPS | Peak system GFLOPS | Max. main memory | System memory B/W (GB/s) | Memory B/W per CPU (GB/s) |
---|---|---|---|---|---|---|---|
SX-1E[3][4] | 0.325[6] | 128 MB | |||||
SX-1[3] | 1985[4] | 0.570[4] / 0.650[6] | 256 MB | ||||
SX-2[3] | 1985[4] | 1 | 1.3[4] | 1.3 | 256 MB[4] | 11 | 11 |
SX-3[7] | 1989 | 4[7] | 5.5 | 22[7] | 2 GB[7] | 44 | 22 |
SX-4[citation needed] | 1994 | 32 | 2 | 64 | 16 GB | 512 | 16 |
SX-5[citation needed] | 1998 | 16 | 8 | 128 | 128 GB | 1024 | 64 |
SX-6[citation needed] | 2001 | 8 | 8 | 64 | 64 GB | 256 | 32 |
SX-7[citation needed] | 2002 | 32 | 8.83 | 282 | 256 GB | 1129 | 35.3 |
SX-8[citation needed] | 2004 | 8 | 16 | 128 | 128 GB | 512 | 64 |
SX-8R[citation needed] | 8 | 35.2 | 281.6 | 256 GB | 563.2 | 70.4 | |
SX-9[citation needed] | 2007 | 16 | 102.4 | 1638 | 1 TB | 4096 | 256 |
SX-ACE[citation needed] | 2013 | 1 | 256 | 256 | 1 TB | 256 | 256 |
SX-Aurora TSUBASA[citation needed] | 8 | 2450 | 19600 | 8 * 48GB | 8 * 1200 | 1200 |
SX-4 | SX-4A | SX-5 | SX-6 | SX-8 | SX-8R | SX-9 | SX-ACE | |
---|---|---|---|---|---|---|---|---|
Max. nodes | 16 | 16 | 32 | 128 | 512 | 512 | 512 | 512 |
Max. CPUs | 512 | 256 | 512 | 1,024 | 4,096 | 4,096 | 8,192 | 512 |
Peak TFLOPS | 1 | 0.5 | 4 | 8 | 65 | 140.8 | 839 | 131 |
Max. main memory | 256 GB | 512 GB | 4 TB | 8 TB | 64 TB | 128 TB | 512 TB | 32 TB |
Total memory B/W (TB/s) | 8 | 4 | 32 | 32 | 131 | 281.6 | 2,048 | 131 |
Software environment
Most SX supercomputers run the SUPER-UX operating system (OS), and come with Fortran and C++ compilers. Cray has also developed an Ada compiler which is available as an option. Some vertical applications are available through NEC, but in general customers are expected to develop much of their own software.
The Earth Simulator uses a custom OS called "ESOS" (Earth Simulator Operating System). It has many features custom designed for the Earth Simulator which are not in the regular SUPER-UX OS.
In addition to commercial applications, there is a wide body of free software for the UNIX environment which can be compiled and run on SUPER-UX, such as Emacs, and Vim. A port of GCC is also available for the platform.
The SX-Aurora TSUBASA PCIe card is running in a Linux machine, the Vector Host (VH), which provides operating system services to the Vector Engine (VE).[8] The VE operating system VEOS runs in user space on the VH. Applications compiled for the VE can use almost all Linux system calls, they are transparently forwarded and executed on the VH. The components of VEOS are licensed under the GNU General Public License.
References
- ^ a b "NEC SX-1, SX-2". IPSJ Computer Museum. Information Processing Society of Japan. Retrieved 24 August 2018.
- ^ Uchida, Keiichiro; Itoh, Mikio (July 1985). "High speed vector processors in Japan". Computer Physics Communications. 37 (1–3): 7–13. doi:10.1016/0010-4655(85)90131-6.
{{cite journal}}
:|access-date=
requires|url=
(help) - ^ a b c d Watanabe, Tadashi (July 1987). "Architecture and performance of NEC supercomputer SX system". Parallel Computing. 5 (1–2): 247–255. doi:10.1016/0167-8191(87)90021-4.
{{cite journal}}
:|access-date=
requires|url=
(help) - ^ a b c d e f g Oyanagi, Yoshio (December 1999). "Development of supercomputers in Japan: Hardware and software". Parallel Computing. 25 (13–14): 1545–1567. doi:10.1016/S0167-8191(99)00084-8.
{{cite journal}}
:|access-date=
requires|url=
(help) - ^ Watanabe, Tadashi (1990). "Advanced Architecture and Technology of the NEC SX-3 Supercomputer". Supercomputing. 62: 119–128. doi:10.1007/978-3-642-75771-6_8. Retrieved 25 August 2018.
- ^ a b Dongarra, Jack J. (1988). "The LINPACK Benchmark: An explanation". Supercomputing: 456–474. doi:10.1007/3-540-18991-2_27.
{{cite journal}}
:|access-date=
requires|url=
(help) - ^ a b c d 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.
{{cite journal}}
:|access-date=
requires|url=
(help) - ^ "NEC SX-Aurora TSUBASA - Vector Engine". www.nec.com. Retrieved 2018-03-14.