#!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 6.805E-05 2.939E+06 2 400 6.847E-05 5.842E+06 3 600 7.188E-05 8.347E+06 4 800 7.459E-05 1.073E+07 5 1000 7.727E-05 1.294E+07 6 2000 9.807E-05 2.039E+07 7 5000 1.579E-04 3.167E+07 8 10000 2.836E-04 3.526E+07 9 20000 6.015E-04 3.325E+07 10 50000 1.423E-03 3.513E+07 ---------------------------- COMMS3: Saturation Bandwidth ---------------------------- Result Summary -------------- Number of Processors(nodes) in test = 4 Maximum Observed Total Bandwidth = 3.526E+07 Byte/s Maximum Bandwidth per Processor = 8.815E+06 Byte/s