A Special-Purpose Computer for Gravitational Many-Body Systems: GRAPE-2

Details A Special-Purpose Computer for Gravitational Many-Body Systems: GRAPE-2 A Special-Purpose Computer for Gravitational Many-Body Systems: GRAPE-2

Jun 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pasj...43..547i&link_type=abstract

Publications of the Astronomical Society of Japan, v.43, p.547-555.

Astronomy and Astrophysics

Astronomy

30

Gravitational Many-Body Systems, Special-Purpose Computers, Stellar Dynamics

Scientific paper

We have designed and built GRAPE-2 (GRAvity PipE 2), the second experimental machine for gravitational many-body systems. GRAPE-2 is designed to calculate the dynamical evolution of astronomical collisional systems which require an accuracy higher than that provided by GRAPE-1, our first experimental machine. GRAPE-2 has a word length of 32/64 bits and calculates gravitational forces at the speed of 40 Mflops. It has been built on a 43 cm by 32 cm board.

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