#!SP2 ##16 Thin node system at University of Southampton, UK, June 1995 ##IBM 390 Power2 nodes, 62.5MHz, 128MByte Memory, 2*2GByte SCSI Disk ##Compiler version : xlc 1.3.0.19 ##Operating system : AIX 3.2.5 #Benchmarker was Dr Simeon Warner ================================================= === === === GENESIS / PARKBENCH Distributed Memory === === Benchmarks === === === === COMMS3 === === === === Program: Saturation Bandwidth === === Version: PVM + Fortran 77 === === Author: Roger W. Hockney === === Update: November 1993; === === === ================================================= Case LENGTH(B) TIME(sec) RAV(B/s) 1 200 2.770E-05 7.220E+06 2 400 2.749E-05 1.455E+07 3 600 2.957E-05 2.029E+07 4 800 3.127E-05 2.558E+07 5 1000 3.311E-05 3.020E+07 6 2000 4.449E-05 4.495E+07 7 5000 7.550E-05 6.622E+07 8 10000 1.352E-04 7.398E+07 9 20000 2.951E-04 6.778E+07 10 50000 7.139E-04 7.004E+07 ---------------------------- COMMS3: Saturation Bandwidth ---------------------------- Result Summary -------------- Number of Processors(nodes) in test = 8 Maximum Observed Total Bandwidth = 7.398E+07 Byte/s Maximum Bandwidth per Processor = 9.247E+06 Byte/s