Overview of the QCDSP and QCDOC computers

PA Boyle; D Chen; NH Christ; Mike A Clark; SD Cohen; C Cristian; Z Dong; A Gara; B Joo; C Jung; C Kim; LA Levkova; X Liao; G Liu; RD Mawhinney; S Ohta; K Petrov; T Wettig; A Yamaguchi

doi:10.1147/rd.492.0351

Overview of the QCDSP and QCDOC computers

PA Boyle, D Chen, NH Christ, Mike A Clark, SD Cohen, C Cristian, Z Dong, A Gara, B Joo, C Jung, C Kim, LA Levkova, X Liao, G Liu, RD Mawhinney, S Ohta, K Petrov, T Wettig, A Yamaguchi

School of Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract

The QCDSP and QCDOC computers are two generations of midtithousand-node multidimensional mesh-based computers designed to study quantum chromodynamics (QCD), the theory of the strong nuclear force. QCDSP (QCD on digital signal processors). a four-dimensional mesh machine, was completed in 1998; in that year, it won the Gordon Bell prize in the price/performance categorly. Two large installations - of 8,192 and 12,288 nodes, with a combined peak speed of one teraflops-have been in operation since. QCD-on-a-chip (QCDOC) utilizes a sixdimensional mesh and compute nodes fabricated with IBM system-on-a-chip technology. It offers a tenfold impropement in price/performace . Currently 100-node versions are operating, and there are plans to build three 12,288-node, 10-teraflops machines. In this paper, we describe the architecture of both the QCDSP and QCDOC machines, the operating systems employed, the user software environment, and the performance of our application-lattice QCD.

Original language	English
Pages (from-to)	351-365
Number of pages	15
Journal	Ibm journal of research and development
Volume	49
Issue number	2
DOIs	https://doi.org/10.1147/rd.492.0351
Publication status	Published - 1 Mar 2005

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10.1147/rd.492.0351

Cite this

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title = "Overview of the QCDSP and QCDOC computers",

abstract = "The QCDSP and QCDOC computers are two generations of midtithousand-node multidimensional mesh-based computers designed to study quantum chromodynamics (QCD), the theory of the strong nuclear force. QCDSP (QCD on digital signal processors). a four-dimensional mesh machine, was completed in 1998; in that year, it won the Gordon Bell prize in the price/performance categorly. Two large installations - of 8,192 and 12,288 nodes, with a combined peak speed of one teraflops-have been in operation since. QCD-on-a-chip (QCDOC) utilizes a sixdimensional mesh and compute nodes fabricated with IBM system-on-a-chip technology. It offers a tenfold impropement in price/performace . Currently 100-node versions are operating, and there are plans to build three 12,288-node, 10-teraflops machines. In this paper, we describe the architecture of both the QCDSP and QCDOC machines, the operating systems employed, the user software environment, and the performance of our application-lattice QCD.",

author = "PA Boyle and D Chen and NH Christ and Clark, {Mike A} and SD Cohen and C Cristian and Z Dong and A Gara and B Joo and C Jung and C Kim and LA Levkova and X Liao and G Liu and RD Mawhinney and S Ohta and K Petrov and T Wettig and A Yamaguchi",

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doi = "10.1147/rd.492.0351",

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Overview of the QCDSP and QCDOC computers. / Boyle, PA; Chen, D; Christ, NH; Clark, Mike A; Cohen, SD; Cristian, C; Dong, Z; Gara, A; Joo, B; Jung, C; Kim, C; Levkova, LA; Liao, X; Liu, G; Mawhinney, RD; Ohta, S; Petrov, K; Wettig, T; Yamaguchi, A.

In: Ibm journal of research and development, Vol. 49, No. 2, 01.03.2005, p. 351-365.

Research output: Contribution to journal › Article › peer-review

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AU - Chen, D

AU - Christ, NH

AU - Clark, Mike A

AU - Cohen, SD

AU - Cristian, C

AU - Dong, Z

AU - Gara, A

AU - Joo, B

AU - Jung, C

AU - Kim, C

AU - Levkova, LA

AU - Liao, X

AU - Liu, G

AU - Mawhinney, RD

AU - Ohta, S

AU - Petrov, K

AU - Wettig, T

AU - Yamaguchi, A

N1 - DoA is a proxy.

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