Optimized all-to-all communication on multicore architectures applied to FFTs with pencil decomposition

Jocksch, A; Kraushaar, M; Daverio, D

Jocksch, A (reprint author), Swiss Natl Supercomp Ctr, CSCS, Via Trevano 131, CH-6900 Lugano, Switzerland.

CONCURRENCY AND COMPUTATION-PRACTICE & EXPERIENCE, 2019; 31 (16):

Abstract

All-to-all communication is a basic functionality of parallel communication libraries such as the Message Passing Interface (MPI). Typically, there ar......

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