Dont miss hpc luminary, jack dongarra, at intels sc14 booth. Choosing between windows and linux for high performance computing. Linpack benchmark results on pcs roy longbottoms pc. The test problem requires the user to set up a random dense matrix a of size n, and a right hand side vector b which is the product of a and a vector x of all 1s. With linpack you get the good, the bad, and the ugly, said jack dongarra, university distinguished professor in the department of computer science at the university of tennessee. Joab jackson jack dongarra that night, dongarra suggested that linpack, created in the 1970s, is no longer the best metric to use to estimate supercomputer performance. Its small size and the lack of software flexibility doesnt allow most modern. Hpl is a software package that solves a random dense linear system in double precision 64 bits arithmetic on distributedmemory computers. Linpack benchmark results on pcs and later devices roy longbottom. Linpack benchmark is a technique to evaluate the floating point rate of execution of a pc.
The road to exascale and legacy software for dense linear. It was written in fortran by jack dongarra, jim bunch, cleve moler, and gilbert stewart, and was intended for use on supercomputers in the 1970s and early 1980s. Nov 20, 20 joab jackson jack dongarra that night, dongarra suggested that linpack, created in the 1970s, is no longer the best metric to use to estimate supercomputer performance. Rangsiman ketkaew benchmark your cluster with intel.
Introduced by jack dongarra, they measure how fast a computer solves a. Theoretical peak and linpack 100 performance numbers of various cpus. Implements the objective bayesian methodology proposed in consonni and deldossi in order to choose the optimal experiment that better discriminate between competing models. Growing inequality in supercomputing power pcworld. There is a good way to find out, the linpack benchmark. The kernel benchmark developed from the linpack package of linear algebra routines. Introduced by jack dongarra, they measure how fast a computer solves a dense n by n system of linear equations ax b, which is a common task in engineering. This guide supports both the casual user of linpack who simply requires a library subroutine, and the specialist who wishes to modify. Jack dongarra, it measures how fast a computer solves a dense. The muchcelebrated biannual top500 list is compiled using dongarras benchmark system, called linpack.
Oct 24, 2019 linpack is a software library for performing numerical linear algebra on digital computers. That version is located at the linpack benchmarks are a measure of a systems floating point computing power. The linpack benchmark is a method of measuring the floating point rate of execution of a computer by running a program that solves a system of linear equations. Jack dongarra, distinguished professor of computer science at the university of tennessee, said the linpack test he developed in the 1970s, which has been the basis for the top500 list of the. This technique applies a standard mathematical algorithm based on solving simultaneous linear equations.
Jack dongarra, performance of various computers using standard linear equations software, technical report cs8985, electrical. Ran the code in hybrid mode, one mpi process per processor and each process launched threads equal to no. Linpack benchmark for ios free download and software. Nov 12, 2014 jack and his crew at the university of tennessee are playing a major role in making that happen. Ohio supercomputer center hosts jack dongarra, renowned. Here is a version of linpack for windows mobile os. Intel linpack benchmark download license agreement intel. To run the benchmark after the graph loads hit press to run.
The linpack benchmark was introduced by jack dongarra. Aug 09, 2011 it is a yardstick of performance because it is widely used and performance numbers are available for almost all relevant systems. The following posts are exact copies of entries to the university of tennessee blog on the previous windowshpc portal site. Department of energy doe thursday said that a bluegenel supercomputer built by ibm for nuclear arms research runs at a record 70.
Dont miss hpc luminary, jack dongarra, at intels sc14. It has been largely superseded by lapack, which runs more efficiently on modern architectures. Professor jack dongarra announces new supercomputer. Microsoft windows azure top500 supercomputer sites. Jack dongarra on ecpfunded software projects for exascale. Columbus, ohio jan 17, 2007 click here to view the streaming video from this event. Linpack benchmark results roy longbottoms pc benchmark.
It was created in the 1970s by jim bunch, jack dongarra, clee moler, and gilbert stewart. We would like to know how we are doing, and how we could further help you. Jan 25, 2018 the view from the top500 the top500 list may have begun almost as an accident, but it has nonetheless come to shape the way we think about supercomputers. May 06, 2012 intel linpack benchmark download license agreement. Dongarra is one member of the committee that puts together the top500 list twice a. Linpack has been mostly used to test the supercomputer, whose best performance was compared and ranked by top500, the most famous hpc benchmark ranking website. It is the most widely recognized and discussed metric for ranking highperformance computing systems. Cycle peak linpack 100 system time performance performance ef. Jack dongarra has been involved since the origin and formation of the top500 list in 1993, which used his linpack benchmark as the common application for evaluating the performance of supercomputers.
It was written by jack dongarra in fortran and is commonly used in that language but there is also a c version. System year vendor cores rmax gflops rpeak gflops faenov cluster platform sl230s gen8, xeon e52670 8c 2. Hpl a portable implementation of the highperformance. Linpack has officially been superseded by the lapack library. The linpack benchmarks are a measure of a systems floating point computing power. The high performance conjugate gradients hpcg benchmark project is an effort to create a new metric for ranking hpc systems. Linpack relies heavily on the general matrix multiply gemm algorithm in the. Dongarra born july 18, 1950 is a university distinguished professor of computer science in the electrical engineering and computer science department at the university of tennessee. Jan 18, 2008 the following posts are exact copies of entries to the university of tennessee blog on the previous windowshpc portal site. Stepping up software for exascale exascale computing project. He holds the position of a distinguished research staff member in the computer science and mathematics division at oak ridge national laboratory, turing fellowship in the school of mathematics at the university of manchester, and is an adjunct professor in the computer science department. Contents of the intel optimized linpack benchmark intel. Linpack reference jack dongarra, performance of various computers using standard linear algebra software in a fortran environment from here pdf file including numerous results for minicomputers, workstations, mainframes and supercomputers.
Over the years a test known as the linpack benchmark has become a gold standard when comparing performance. The authors of this carefully structured guide are the principal developers of linpack, a unique package of fortran subroutines for analyzing and solving various systems of simultaneous linear algebraic equations and linear least squares problems. Linpack reference jack dongarra, performance of various computers using standard linear algebra software in a fortran environment from here pdf file. Here you can download the latest version of the linpack report. Linpack 2 the kernel benchmark developed from the linpack package of linear algebra routines. Standard linpack benchmark app the linpack benchmarks are a measure of a systems floating point computing power. Pdf linpack benchmark results on pcs and later devices. Through the consistent use of the linpack benchmark, the top500 list provides a standardized measure of supercomputers over the past 25 years. Below are some popular linear algebra software packages in use.
The view from the top500 the top500 list may have begun almost as an accident, but it has nonetheless come to shape the way we think about supercomputers. Top500 shows growing inequality in supercomputing power. Supercomputing asia catches up with the cooriginator of the list, jack dongarra, to find out more about its past, present and future. Linpack has been mostly used to test the supercomputer, whose. If you plan to attend sc14 in new orleans, youre in for a treat. Linpack is a software library for performing numerical linear algebra on digital computers. Introduced by jack dongarra, they measure how fast a computer solves a dense n by n system of. It can thus be regarded as a portable as well as freely available implementation of the high performance computing linpack benchmark. It is a yardstick of performance because it is widely used and performance numbers are available for almost all relevant systems.
Jul 10, 20 jack dongarra, distinguished professor of computer science at the university of tennessee, said the linpack test he developed in the 1970s, which has been the basis for the top500 list of the. The linpack for android application is a version created from the original java version of linpack created by jack dongarra. Professor jack dongarra announces new supercomputer benchmark. Top500 leaders announce new supercomputer benchmark zdnet. Frequent asked questions on the linpack benchmark the netlib. I added the authors name in the beginning of each entry and edited the posting dates to reflect the original date of the entry. Dongarra, piotr luszczek, and antoine petitet july 2002 abstract this paper describes the linpack benchmark 41 and some of its variations commonly used to assess perfor. Mar 30, 2020 the intel optimized linpack benchmark for windows contains the following files, located in the benchmarks \ linpack \ subdirectory of the intel math kernel library intel mkl directory. Benchmark your cluster using intel distribution for linpack. Jack dongarra to obtain rolled source blas, add droll to the command lines.
Performance of various computers using standard linear equations software, jack dongarra, university of tennessee, knoxville tn. Jack dongarra, it measures how fast a computer solves a dense n by n system of linear equations ax b. This benchmark was produced by jack dongarra from the linpack package of linear algebra routines. The road to exascale and legacy software for dense linear algebra. Jack dongarra, distinguished professor of computer science at the university of tennessee, said the linpack test he developed in the 1970s, which has been the basis for the top500 list of the worlds fastest computers for the past 20 years, is no longer the most useful benchmark for how well a system can perform. An exascale software discussion with hpc veteran jack dongarra. The linpack benchmark is a numerically intensive test that has been used for years to measure the floating point performance of computers. Choosing between windows and linux for high performance. Hpcg is intended as a complement to the high performance linpack hpl benchmark, currently used to rank the top500 computing systems. The benchmark is based on linpack, a software library for performing numerical linear algebra on digital computers that was written in fortran by computer scientists jack dongarra, jim bunch. Jack dongarra formulated the linpack system when he aimed at giving computer users a standard measure of computer performance. Now, jack dongarra, distinguished professor of computer science at the university of tennessee, knoxville, creator of the top500, and linpacks inventor thinks the benchmark is showing its age and. Jul 10, 20 since 1993, jack dongarra, distinguished professor of computer science at ut has led the ranking of the worlds top 500 supercomputers. The road to exascale and legacy software for dense linear algebra or what ive been doing for the last 43 years jack dongarra university of tennessee.
Since 1993, jack dongarra, distinguished professor of computer science at ut has led the ranking of the worlds top 500 supercomputers. Linpack measures cpu performance in floating point operations per second flops. Objective bayesian model discrimination in followup designs. The lapack library uses more modern algorithms and code structure. We are working hard to improve the lapack windows support but it seems that users still have problems. The view from the top500 asian scientist magazine science. Jack dongarra, director of the university of tennessees center for information technology research and a distinguished research staff member at oak ridge national laboratory, is perhaps best known for his development of the linpack benchmark application, which is used to evaluate highperformance computing hpc performance and to rank. Sep 23, 2010 it is a yardstick of performance because it is widely used and performance numbers are available for almost all relevant systems. Linpack was originally developed by jack dongarra to give computer users an idea of the time it would take a machine to solve complex problems in linear. Linpack was originally developed by jack dongarra to give computer users an idea of the time it would take a machine to solve complex problems in linear algebra. Jack dongarra, internationallyknown expert in high performance computing hpc, recently spoke at a lecture series sponsored by the ohio supercomputer center osc on jan. Introduced by jack dongarra, they measure how fast a computer solves a dense n by n system of linear equations ax b, which is a common task in engineering the latest version of these benchmarks is used to build the top500 list, ranking the worlds most powerful supercomputers. It was written by jack dongarra more than a decade ago and is still used by see related topics for a link. Jack dongarra university of tennessee oak ridge national lab university of manchester.
He holds the position of a distinguished research staff member in the computer science and mathematics division at oak ridge national laboratory, and is an adjunct. Jack dongarra, creator of the linpack benchmark, and one of the organizers of the top500 ranking of supercomputing. Dec 31, 2014 the linpack for android application is a version created from the original java version of linpack created by jack dongarra. Linpack article about linpack by the free dictionary. It was written in fortran by jack dongarra, jim bunch, cleve moler.
A detailed description as well as a list of performance results on a wide variety of machines is available in postscript form from netlib. Doe, ibm supercomputer shatters linpack test internetnews. Ohio supercomputer center hosts jack dongarra, renowned high. It is a simple benchmark and results are available for thousands of systems going back several decades.
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