Linpack is the most popular benchmark for ranking of supercomputers and high. Weve been working on a benchmark called hpl also known as high performance linpack on our cluster. We show you how to conduct testing in a way that produces consistent, repeatable results. These results are shown below and are the same on android, linux and windows. 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. These can be compared with the new windows tablet version, from later compiler, with 32 bit and 64 bit results included below. Running linpack benchmarks on linux on power alexander bokovoy dr. Sep 10, 2007 yes, this code is very intel friendly but it does exist in the real world, and it is remarkably interesting. Linpack fortableau creates readytouse dashboards for business users or serves as a development accelerator for tableau experts. At some point in time, a java version of the linpack benchmark rearranged the order of initial data function matgen and this changed the numeric results. General idea of linpack benchmark is to measure the number of floating point operations per second flops used to solve the system of linear equations.
Test performance results by linpack between art and dalvik. For rmax shown in the table, the parallel efficiency per cpu has been computed using the performance achieved by hpl on 1 cpu. Download the latest version of dancing line for android. They are dual, boot a5 and w2, alternative boot w1. This benchmark stresses the computers floating point operation capabilities. See below sections on how to build with clang for armv7 and armv8 targets. For completion, numeric results and a sample of performance are provided for a double precision compilation. Howto high performance linpack hpl this is a step by step procedure of how to run hpl on a linux cluster. Matrix size threads used device cpu type cpu cores cpu clock speed.
Performance of various computers using standard linear. Pcmark for android this benchmark measures the performance and battery life of an android device browsing the web, editing photos, watching videos and working with documents. However, results should not be taken too seriously. If you like games of skill, dancing line is a new option. The first benchmark is for a matrix of order 100 using the linpack software in fortran. 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. Linpack for android is a free and awesome tools app. Frequently asked questions top500 supercomputer sites. Could you show me how to compile it in detail or the whole android. The linpack benchmark can only give one point of reference. Real applications are used, so the results are supposed to reflect realworld performance.
In order to measure the performance of any computer its critical to probe for the performance of your applications. This guide will show you how to compile hpl linpack and provide some tips for selecting the best input values for hpl. Evaluating the performance of androidbased devices is serious. How to build openblas for android xianyiopenblas wiki github. Android results r1 an r2 are via via remix for intel pcs, running at 64 bits. Or maybe it is as you suggest and potentially not a meaningful comparison.
Measuring top supercomputer performance in the real world june 21, 2016 nicole hemsoth hpc, isc16 1 when we cover the biannual listing of the worlds most powerful supercomputers, the metric at the heart of those results, the high performance linpack benchmark, the gold standard for over two decades, is the basis. Linpack is a software library for performing numerical linear algebra on digital computers. It provides tuned input parameters for the high performance linpack hpl benchmark, which is the standard benchmark used to rank supercomputers. 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. Linpack is the most popular benchmark for ranking of supercomputers and high performance systems by performance. Later conversions were varieties to run on android tablets and phones on arm cpus. The operating system that was used is redhat enterprise linux 5. Top500 list of the most powerful supercomputers in the world is based on the linpack results. Dual booting results include those for windows and android running on the same system. I look forward to more results and more smart people talking about it as the iphone 5 is further benchmarked. It displays the results in mflops and is more reliable than quadrant. Discussion in bugless started by bje1982, jun 28, 2010.
Jan 11, 2018 standard linpack benchmark app the linpack benchmarks are a measure of a systems floating point computing power. For android mobile linpack app jplasma librarys dgesvbenchmark function. For some reason, we would get the same performance with 1 node. Matrix size threads used device cpu type cpu cores cpu clock speed ram size. Although just calculating flops is not reflective of applications typically run on supercomputers, floating point is still important.
I would love to hear about some background stories of some of the current top500 systems and how they did their linpack benchmark. At first, we had difficulty improving hpl performance across nodes. The linpack for android application is a version created from the original java version of linpack created by jack. Many applications exhibit the same performance as the linpack benchmark. Linpack for android is powerful benchmark tool for android phones.
Linpackfortableau platform to create tableau dashboards. Linpack offers you two efficient methods to create tableau dashboards. See how well your multicore device works under android. Most recent android ndks stopped supporting gcc, so you would need to use clang to compile openblas. It solves a dense real8 system of linear equations axb, measures the amount of time it takes to factor and solve the system, converts that time into a performance rate, and tests the results for accuracy. Test your phones firepower with the benchmarking tool. Here you can download the latest version of the linpack report. That is fair, since the cxml matrix multiply routine was achieving at best 1. Contribute to pedja1linpack development by creating an account on github.
How to get the best linpack result and conquer the top500. Android benchmarks for 32 bit and 64 bit cpus from arm, intel. Linpack for android is a quick and easytorun benchmark that. These results are used to compile the top500 list twice a year, with the worlds most powerful computers. Newly added the ability to fully test multicore processors with the use of multithreading. Download multitouch testmultitouch test allows you to find out the multi touch capabilities of your device. Check the speed of your android device and compare it to other android devices. Intel optimized linpack benchmark for windows intel math. Linpack pro for android this was the app i used when i compared. The linpack benchmark was introduced by jack dongarra. Results from a beta version of a compiler are allowed, however the standard compiler results must also be listed. The compiler and operating system must be generally available. Ridiculous iphone 5 cpu benchmarks linpack macrumors forums.
An application used to estimate a supercomputers performance and rank in the top500 list worldwide. According to the current top 10 android linpack results, a tweaked motorola droid is capable of scoring 52 mflops which is over 15 times. A detailed description as well as a list of performance results on a wide variety of machines is available in postscript form from netlib. Mar 30, 2020 intel optimized linpack benchmark for windows is a generalization of the linpack benchmark. Sep 21, 2012 the guy at found a similarly impressive number for linpack, though not quite as high. The linpack benchmarks are a measure of a systems floating point computing power. How to run hpl linpack across nodes guide slothparadise. I am also compiling the clapack in android,but i do not know how to do it. Linpack benchmark results roy longbottoms pc benchmark. This news is about explaining the difference between the two creation modes and in which cases you should use one or the other. I deliberately dont want to mention concrete hardware details or discuss hardware recommendations because i dont want to limit the answers. This was done using the mvapich mpi implementation on a linux cluster of 512 nodes running intels nehalem processor 2.
1480 897 89 958 83 424 322 662 186 1530 631 601 1372 1069 451 1586 339 780 504 1245 1048 9 328 1274 415 191 1429 210 26 296 1499 1037 53 471 1368 47