Whaley rc, dongarra j 1998 automatically tuned linear algebra software. Atlas stands for automatically tuned linear algrebra software. Automatically tuned linear algebra software software library atlas. Atlas is often recommended as a way to automatically generate an optimized blas library. We have developed a methodology whereby nearpeak performance on a wide range. Automatically tuned linear algebra software atlas mathatlasmathatlas. Automatically tuned linear algebra software atlas is a software library for linear algebra.
Atlas stands for automatically tuned linear algebra software software library. Whaley rc, dongarra j 1997 automatically tuned linear algebra software. Automatically tuned linear algebra software atlas r. May 26, 2018 the atlas automatically tuned linear algebra software project is an ongoing research effort focusing on applying empirical techniques in order to provide portable performance. Automatically tuned linear algebra software listed as atlas. Atlas math library a blas and lapack implementation atlas stands for automatically tuned linear algebra software. Technical report utcs97366, university of tennessee, tn, december 1997. It provides a mature open source implementation of blas apis for c and fortran77 atlas is often recommended as a way to automatically generate an optimized blas library. For clarity, the original post is asking about mathematical linear algebra libraries usually in fortran or c that are included with macos mojave, specifically lapack linear algebra package, blas basic linear algebra subprograms, and atlas automatically tuned linear algebra software. Automatically tuned linear algebra software the netlib. Atlas is listed in the worlds largest and most authoritative dictionary database of abbreviations and acronyms the free dictionary.
Atlas defines many blas operations in terms of some core routines and then tries to automatically tailor the core routines to have good performance. It provides a mature open source implementation of blas apis for c and fortran77. Automatically tuned linear algebra software atlas, has been able to match or exceed the performance of the vendor supplied version of matrix multiply in. How is automatically tuned linear algrebra software abbreviated. We have developed a methodology whereby nearpeak performance on a wide range of systems can be achieved automatically for. Automatically tuned linear algebra software how is. We will concentrate our efforts on the widely used linear algebra kernels called the basic linear algebra subroutines blas. Bibliographic details on automatically tuned linear algebra software atlas. Wehave developed a methodology whereby nearpeak performance on a wide range of systems can be achieved automatically for such routines. Basic linear algebra subprograms, or blas a standard for linear algebra libraries. Atlas bliver ofte anbefalet som en automatisk optimerende made at anvende blas programbiblioteket pa. The package should be updated to follow the last version of debian policy standardsversion 4. Automatically tuned linear algebra software atlas the netlib.
At present, it provides c and fortran77 interfaces to a portably efficient blas implementation, as well as a few routines from lapack. Atlas stands for automatically tuned linear algebra software. Atlas atlas automatically tuned linear algebra software is a system for generating highperformance mathematical libraries. Atlass purpose is to provide portably optimal linear algebra software. Automatically tuned linear algebra software, automaticallytuned linear algebra software, accessing telecoms links across scotland. Currently atlas supplies optimized versions for the complete set of linear algebra kernels known as the basic linear algebra subroutines blas, and a subset of the linear algebra routines in the.
Debian details of package libatlasbasedev in jessie. Clint whaley innovative computing laboratory university of tennessee. Automatically tuned linear algebra software, generic shared. This paper describes an approach for the automatic generation and optimization of numerical software for processors with deep memory hierarchies and. Features highly optimized, threaded, and vectorized math functions that maximize performance on each processor. It provides c and fortran77 interfaces to a portably efficient blas implementation, as well as a few routines from lapack. Atlas provides ansi c and fortran77 interfaces for the entire blas api, and a small portion of the lapack ap. Automatically tuned linear algebra software atlas math atlas math atlas. The atlas automatically tuned linear algebra software open. The work described here can help in automating much of this process. In order to use its more advanced support mechanisms, the atlas. Versions and availability display softenv keys for atlas on all clusters. Automatically tuned linear algebra software atlas attempts to make a blas implementation with higher performance. It generates a library that is specifically tuned to your processor and compiler.
Looking for online definition of atlas or what atlas stands for. Iclut atlas automatically tuned linear algebra software atlas r. The atlas automatically tuned linear algebra software. There may be more than one meaning of atlas, so check it out all meanings of atlas one by one. Automatically tuned linear algebra software engelskdansk. Currently atlas supplies optimized versions for the complete set of linear algebra kernels known as the basic linear algebra subroutines blas for both c and f77 interfaces. Automatically controlled sequence of statistical procedures. In particular, atlas provides a full implementation of the blas 6, 7, 10, 12 basic linear algebra subprograms api. Atlas automatically tuned linear algrebra software. Automatically tuned linear algebra software how is automatically tuned linear algebra software abbreviated. Leykekhman math 3795 introduction to computational mathematicsfloating point arithmetic 1. Atlas faq automatically tuned linear algebra software. The production of such software for machines ranging from desktop workstations to embedded processors can be a tedious and time consuming process.
Except where otherwise noted, content on this wiki is licensed under the following license. Automatically tuned linear algebra software atlas rcwhaleymath atlas. While its performance often trails that of specialized libraries written for one specific hardware platform, it is often the first. This page is about the meanings of the acronymabbreviationshorthand atlas in the computing field in general and in the software terminology in particular. Atlas automatically tuned linear algebra software provides highly optimized linear algebra kernels for arbitrary cachebased architectures. A big number of instructionsset specific optimizations are used throughout the library to achieve peakperformance on a wide variety of hwplatforms. The current version of atlas automatically tuned linear algebra software provides a complete blas api for both c and fortran77 and a very small subset of the lapack api. Using the automatically tuned linear algebra software atlas ibm. Folks, i am happy to announce the release of atlas 3. An environment, in this case, implies an operating system, the programming language, the tools for enhancing performance and functionality as well as debugging tools. Please forward this email to any relevant mailing list, or to any parties that are repackaging the stable release that you know about.
Automatically tuned linear algebra software, generic static. Basic linear algebra subprograms blas is a specification that prescribes a set of lowlevel routines for performing common linear algebra operations such as vector addition, scalar multiplication, dot products, linear combinations, and matrix multiplication. It provides a mature open source implementation of blas apis for. Automatically tuned linear algebra software atlas ist eine unterprogrammbibliothek fur lineare algebra. Automatically tuned linear algebra software wikipedia. Atlas automatically tuned linear algebra software provides optimized linear algebra kernels for arbitrary cachebased architectures. Often, when you are calculating linear algebra operations directly or indirectly via higherorder algorithms, your code is very likely dipping down to use one of these, or similar linear algebra libraries. The atlas automatically tuned linear algebra software project is an ongoing research effort focusing on applying empirical techniques in order to provide portable performance. Atlas the automatically tuned linear algebra software atlas provides a complete implementation of the blas api 3 and a subset of lapack 3. Citeseerx automatically tuned linear algebra software. Atlas is defined as automatically tuned linear algebra software software library very frequently. Optimisation of blas and lapack functions for specific cpus can result in substantial reduction of. Automatically tuned linear algebra software atlas rcwhaleymathatlas.
For all supported operations, the developers claim that atlas achieves performance on par with machinespecific tuned libraries. Using the automatically tuned linear algebra software atlas. Automatically tuned linear algebra software proceedings of the. Atlas automatically tuned linear algebra software is an open source and totally free commandline software implemented in cfortran and designed to provide a collection of highly optimized linear algebra kernels, which can be used for various cachebased architectures. The atlas automatically tuned linear algebra software project is an ongoing research effort focusing on applying empirical techniques in order to provide. Atmospheric laboratory for applications and science. The automatically tuned linear algebra software provides access to optimised basic linear algebra subprograms blas and linear algebra package lapack functions. Atlas is defined as automatically tuned linear algrebra software somewhat frequently. Using the automatically tuned linear algebra software. It is compatible with your choice of compilers, languages, operating systems, and linking and threading models.
The automatically tuned linear algebra software atlas is an environment that allows software development. The current version provides a complete blas api for both c and fortran77, and a very small subset of the lapack. Atlas automatically tuned linear algebra software is used in portable versions of the blas and lapack api libraries to achieve optimum machine performance. Atlas automatically tuned linear algebra software software.
This documentation is intended only as a high level description of atlas and the ibm specific extensions and naming convention. Atlas tilbyder en moden open source implementation med blas api til c og fortran77. Atlas is an approach for the automatic generation and optimization of numerical software. Atlas s purpose is to provide portably optimal linear algebra software. Nov 24, 2014 atlas automatically tuned linear algebra software is an open source and totally free commandline software implemented in cfortran and designed to provide a collection of highly optimized linear algebra kernels, which can be used for various cachebased architectures. Jun 12, 2019 if srcdir is not given the makefile creates a directory test in the math atlas directory i. Atlas automatically tuned linear algebra software is a system for generating highperformance mathematical libraries.
Build log checks report 2 warnings about this package. While its performance often trails that of specialized libraries written for. Automatically tuned linear algebra software, generic static atlas is an approach for the automatic generation and optimization of numerical software. At present, it provides c and fortran77 interfaces to a portable, efficient blas implementation, as well as enhanced versions of a few routines from lapack. Automatically tuned linear algebra software atlas, thesis help desk jobs edmonton washington, writing resume basics chart calendar, regional marketing coordinator job description. How is automatically tuned linear algebra software software library abbreviated. Dissertation defense brita munsinger the usability of interaction methods in augmented reality. Intel math kernel library intel mkl optimizes code with minimal effort for future generations of intel processors. Automatically tuned linear algebra software atlas er et programbibliotek til line.
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