Official Page for HPL : Build HPL using Spack The algorithm used by HPL can be summarized by the following keywords: Two-dimensional block-cyclic data distribution – Right-looking variant of the LU factorization with row partial pivoting featuring multiple look-ahead depths – Recursive panel factorization with pivot search and column broadcast combined – Various virtual panel broadcast topologies – bandwidth reducing swap-broadcast algorithm – backward substitution with look-ahead of depth 1. It can thus be regarded as a portable as well as freely available implementation of the High Performance Computing Linpack Benchmark. HPL is a software package that solves a (random) dense linear system in double precision (64 bits) arithmetic on distributed-memory computers.
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