Application of the V--Ray Technology for Optimization of the TRFD and FLO52 Perfect Club Benchmarks to CRAY Y--MP and CRAY T3D Supercomputers Alexander S. Antonov, Vladimir V. Voevodin Moscow State University, Russia email: voevodin@vvv.srcc.msu.su Abstract The paper shows an application of the socalled V Ray Technology for optimizing the TRFD and FLO52 Perfect Club Benchmarks to CRAY Y--MP and CRAY T3D supercomputers. ... Results for CRAY YMP supercomputers. al structure of the program. ...