Special-purpose computing for dense stellar systems

Details Special-purpose computing for dense stellar systems Special-purpose computing for dense stellar systems

Aug 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007hia....14..424m&link_type=abstract

Highlights of Astronomy, Volume 14, p. 424-425

Astronomy and Astrophysics

Astronomy

4

Celestial Mechanics, Methods: N-Body Simulations, Globular Clusters

Scientific paper

I'll describe the current status of the GRAPE-DR project. The GRAPE-DR is the next-generation hardware for N-body simulation. Unlike the previous GRAPE hardwares, it is programmable SIMD machine with a large number of simple processors integrated into a single chip. The GRAPE-DR chip consists of 512 simple processors and operates at the clock speed of 500 MHz, delivering the theoretical peak speed of 512/226 Gflops (single/double precision). As of August 2006, the first prototype board with the sample chip successfully passed the test we prepared. The full GRAPE-DR system will consist of 4096 chips, reaching the theoretical peak speed of 2 Pflops.

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