HARP-1: A Special-Purpose Computer for itN-body Simulation with the Hermite Integrator. - Eiichiro Kokubo; Junichiro Makino; Makoto Taiji (HICSS (1), 1994)

HARP Chip: A.600 Mflops Application-Specific LSI for Astrophysical itN-body Simulations. - Makino Taiji; Junichiro Makino; Eiichiro Kokubo; Toshikazu Ebisuzaki; Daiichiro Sugimoto (HICSS (1), 1994)

A 29.5 Tflops simulation of planetesimals in Uranus-Neptune region on GRAPE-6. - Junichiro Makino; Eiichiro Kokubo; Toshiyuki Fukushige; Hiroshi Daisaka (SC, 2002)

Performance evaluation and tuning of GRAPE-6 - towards 40 "real" Tflops. - Junichiro Makino; Eiichiro Kokubo; Toshiyuki Fukushige (SC, 2003)