Evaluation of disconnected contributions using GPUs

Abstract

We calculate on GPUs the disconnected diagrams associated with the nucleon form factors and moments of generalized parton distributions using Nf=2+1+1 twisted mass fermions. We employ the truncated solver method (TSM) for estimating the all-to-all propagators. Due to the fact that the TSM involves many low precision stochastic estimators, the usage of GPUs is essential to perform efficiently the contractions and the inversions.

7 pages, 10 figures

References in corpus (5)

• Solving Lattice QCD systems of equations using mixed precision solvers on GPUs
• Scaling Lattice QCD beyond 100 GPUs
• Sigma terms and strangeness content of the nucleon with $N_f=2+1+1$ twisted mass fermions
• Calculation of fermion loops for ${\eta }^{\prime }$ and nucleon scalar and electromagnetic form factors
• Flavor singlet phenomena in lattice QCD

Cited by in corpus (2)

• Sigma terms and strangeness content of the nucleon with $N_f=2+1+1$ twisted mass fermions
• Review of Hadron Structure Calculations on a Lattice