Batched BLAS (Basic Linear Algebra Subprograms) 2018 Specification

TitleBatched BLAS (Basic Linear Algebra Subprograms) 2018 Specification
Publication TypeReport
Year of Publication2018
AuthorsDongarra, J., I. Duff, M. Gates, A. Haidar, S. Hammarling, N. J. Higham, J. Hogg, P. Valero Lara, P. Luszczek, M. Zounon, S. D. Relton, S. Tomov, T. Costa, and S. Knepper
Date Published07-2018
Abstract

This document describes an API for Batch Basic Linear Algebra Subprograms (Batched BLAS or BBLAS). We focus on many independent BLAS operations on small matrices that are grouped together and processed by a single routine, called a Batched BLAS routine. The extensions beyond the original BLAS standard are considered that specify a programming interface not only for routines with uniformly-sized matrices and/or vectors but also for the situation where the sizes vary. The aim is to provide more efficient, but portable, implementations of algorithms on high-performance manycore platforms. These include multicore and many-core CPU processors; GPUs and coprocessors; as well as other hardware accelerators with floating-point compute facility.

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