Enabling today.
Inspiring tomorrow.

 Molecular Dynamics (LAMMPS) 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, x86 Open64 4.2.5.2-1 Compiler Suite, OMPI 1.5.3
Compiler Flags: -O3 -OPT:Ofast -OPT:rsqrt=2 -march=bdver1 -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, GCC 4.7.0 Compiler, OMPI 1.5.3
Compiler Flags: -O3 -freciprocal-math -march=bdver1 -mavx -mfma4

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+knem 0.9.8, Hyper-Threading disabled, Turbo Boost Technology enabled
Compiler Flags: -O3 -fno-alias -ip -unroll0 -no-prec-div

Footnotes