Chapter 22

Weather research and forecasting (WRF)

Abstract

Weather Research and Forecasting (WRF) Model results on Knights Landing are discussed. Results highlight the performance and development benefits of high bandwidth package memory coupled with processor centric (hostless/non-offload) programming.

Keywords

WRF; OpenMP; MPI; National Oceanic and Atmospheric Administration; Numerical Weather Simulation; numactl

What is new with Knights Landing in this chapter?

MCDRAM boosts performance in both cache and flat memory modes. AVX-512 offers higher performance than AVX2.

The Weather Research and Forecasting (WRF) Model is a next-generation intermediate scale (mesoscale) numerical weather prediction (NWP) system designed for both atmospheric ...

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