#!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 1.814E-04 1.103E+06 2 400 1.819E-04 2.199E+06 3 600 2.006E-04 2.990E+06 4 800 2.051E-04 3.900E+06 5 1000 2.074E-04 4.821E+06 6 2000 2.612E-04 7.656E+06 7 5000 4.135E-04 1.209E+07 8 10000 6.007E-04 1.665E+07 9 20000 1.081E-03 1.849E+07 10 50000 2.538E-03 1.970E+07 ---------------------------- COMMS3: Saturation Bandwidth ---------------------------- Result Summary -------------- Number of Processors(nodes) in test = 2 Maximum Observed Total Bandwidth = 1.970E+07 Byte/s Maximum Bandwidth per Processor = 9.851E+06 Byte/s