High Performance LINPACK (HPL) Cluster Performance – Two Socket Servers

Configuration Information:

2 x AMD Opteron™ processors Model 6276 in Supermicro H8DGT server, 64GB (8 x 8GB DDR3-1600) memory, SuSE Linux® Enterprise Server 11 SP1 64-bit, gfortran 4.6 compiler, OMPI 1.5.3, AMD Core Math Library 5.0.0
Compiler Flags: -fomit-frame-pointer -O3 -funroll-loops -W -Wall  -mavx -mfma4

2 x AMD Opteron™ processors Model 6380 in Supermicro H8DGT server, 64GB (8 x 8GB DDR3-1600) memory, SuSE Linux® Enterprise Server 11 SP2 64-bit, x86 Open64 4.5.1 comipler, OMPI 1.6.0, AMD Core Math Library 5.1.0
Complier Flags: -O3 -mavx -mfma4 -OPT:Olimit=0 -LNO:fu=9:full_unroll_size=7000

2 x Intel Xeon processors Model E5-2690 in Supermicro X9DRT-HIBFF server, 64GB (8 x 8GB DDR3-1600) memory, SuSE Linux® Enterprise Server 11 SP2 64-bit, Intel Professional Compiler v12.1.3, OMPI 1.6.0, Intel Math Kernel Library 10.3.9, Hyper-Threading disabled, Turbo Boost Technology enabled
Compiler Flags:  -O3 -xHOST -parallel –ip

Footnotes