Chapter 20

Optimizing classical molecular dynamics in LAMMPS


LAMMPS results on Knights Landing are discussed. Significant performance improvements on Intel Xeon processors and Knights Landing many-core processors are discussed. The simulations on single-socket Knights Landing processors were up to 1.96 × faster than dual socket Intel Xeon processors in configurations with a significantly lower processor TDP.


Molecular dynamics; LAMMPS; SoA; AoS; MCDRAM; Numactl; AVX-512; Xeon Phi; Many-core; Knights Landing; AVX-512CD; Conflict detection instructions; Intrinsics; AVX-512 intrinsics; AVX-512CD intrinsics


Sandia is a multipurpose laboratory operated by Sandia Corporation, a Lockheed-Martin Co., for the US Department ...

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