The Fermilab lattice supercomputer project

Mark Fischler, R. Atac, A. Cook, J. Deppe, I. Gaines, D. Husby, T. Nash, T. Pham, T. Zmuda, George Hockney, E. Eichten, P. Mackenzie, H. B. Thacker, D. Toussaint

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


The ACPMAPS system is a highly cost effective, local memory MIMD computer targeted at algorithm development and production running for gauge theory on the lattice. The machine consists of a compound hypercube of crates, each of which is a full crossbar switch containing several processors. The processing nodes are single board array processors based on the Weitek XL chip set, each with a peak power of 20 MFLOPS and supported by 8MBytes of data memory. The system currently being assembled has a peak power of 5 GFLOPS, delivering performance at approximately $250/MFLOP. The system is programmable in C and Fortran. An underpinning of software routines (CANOPY) provides an easy and natural way of coding lattice problems, such that the details of parallelism, and communication and system architecture are transparent to the user. CANOPY can easily be ported to any single CPU or MIMD system which supports C, and allows the coding of typical applications with very little effort.

Original languageEnglish (US)
Pages (from-to)571-575
Number of pages5
JournalNuclear Physics B (Proceedings Supplements)
Issue numberC
StatePublished - Jun 1989

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics


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