A Digital Orrery

J.H. Applegate; P. Hunter; C.L. Seitz; M.R. Douglas; Y. Gursel; G.J. Sussman

doi:10.1109/TC.1985.1676638

Publication
1985
Issue No. 9 - September
Abstract - A Digital Orrery

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A Digital Orrery

September 1985 (vol. 34 no. 9)

pp. 822-831

	ASCII Text	x
	J.H. Applegate, M.R. Douglas, Y. Gursel, P. Hunter, C.L. Seitz, G.J. Sussman, "A Digital Orrery," IEEE Transactions on Computers, vol. 34, no. 9, pp. 822-831, September, 1985.

	BibTex	x
	@article{ 10.1109/TC.1985.1676638, author = {J.H. Applegate and M.R. Douglas and Y. Gursel and P. Hunter and C.L. Seitz and G.J. Sussman}, title = {A Digital Orrery}, journal ={IEEE Transactions on Computers}, volume = {34}, number = {9}, issn = {0018-9340}, year = {1985}, pages = {822-831}, doi = {http://doi.ieeecomputersociety.org/10.1109/TC.1985.1676638}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, }

	RefWorks Procite/RefMan/Endnote	x
	TY - JOUR JO - IEEE Transactions on Computers TI - A Digital Orrery IS - 9 SN - 0018-9340 SP822 EP831 EPD - 822-831 A1 - J.H. Applegate, A1 - M.R. Douglas, A1 - Y. Gursel, A1 - P. Hunter, A1 - C.L. Seitz, A1 - G.J. Sussman, PY - 1985 KW - parallel computation KW - Computer architecture KW - N-body computations KW - numerical computation KW - orbital mechanics VL - 34 JA - IEEE Transactions on Computers ER -

J.H. Applegate, Department of Astronomy, Columbia University

DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/TC.1985.1676638

We have designed and built the Orrery, a special computer for high-speed high-precision orbital mechanics computations. On the problems the Orrery was designed to solve, it achieves approximately 10 Mflops in about 1 ft3 of space while consuming 150 W of power. The specialized parallel architecture of the Orrery, which is well matched to orbital mechanics problems, is the key to obtaining such high performance. In this paper we discuss the design, construction, and programming of the Orrery.

Index Terms:

parallel computation, Computer architecture, N-body computations, numerical computation, orbital mechanics

Citation:

J.H. Applegate, M.R. Douglas, Y. Gursel, P. Hunter, C.L. Seitz, G.J. Sussman, "A Digital Orrery," IEEE Transactions on Computers, vol. 34, no. 9, pp. 822-831, Sept. 1985, doi:10.1109/TC.1985.1676638

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