Before any performance data can be collected, the target application needs to be instrumented. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Scala tutorials programming tutorials by sourcetricks. Your contribution will go a long way in helping us. To build libcfd2lcs on a currently supported platform. Analysing the scalability of climate codes using new features of scalasca monika harlacher1, alexandru calotoiu2, john dennis3, and felix wolf2 1 universitat siegen, 57068 siegen, germany. The application being analysed needs first of all to be instrumented. Before this line, lda is different on each process if the dimension of the matrix is odd. First, we call the method do which basically returns a task or future in scala, but the interesting part is what happens inside it. Abstract scalasca is a performance toolset that has been specifically. Quick start with scala scala introduction scala variables scala object scala companion object scala functions scala higher order functions. Because scalasca usually includes outdated version of.
Two processes handle 2 rows and two processes handle 3 rows. What is scalasca, and where is it installed on xsede. Buy scala for beginners this book provides a stepbystep guide for the complete beginner to learn scala. You can either download binaries or source code archives for the latest stable or previous release or access the current development aka. Full example code akka quickstart with scala lightbend. For security reasons it is highly recommended that users transfer files between local workstations and either discover or dirac mass storage, using the bastion service direct mode described below. Second, the program dimension is organized in a calltree hierarchy. Note that the mpi c compiler wrapper and flags are not used for building bt, but. Refer jdk compatibility for scalajava compatiblity detail.
My current company uses scala for serverside programming in their projects. This user guide is intended to address the needs of users which are new to scalasca as. Stack overflow for teams is a private, secure spot for you and your coworkers to find and share information. A well designed event trace data format is the basis of all tracebased analysis methods. Enhancing software portability with hardware parametrized. File transfer from user to the discover cluster nasa. However, sometimes it can be advantageous to abstract away from the hierarchy of the call tree, for example if one is. Extending scalascas analysis features 3 information where in the code, a particular issue appeared. Scalasca has several tracing format conversion tools integrated into it, which are handy. Methods that return a value must have an equal sign before the body of the method. A tour of scala an interactive scala tutorial printing.
Performance tools february 2015 markus geimer, alexandre strube. Cube files are also available for download on the scalasca. This page contains a comprehensive archive of previous scala releases. Usage of the scalasca toolset for scalable performance analysis.
Because scalasca usually includes outdated version of cube. Take a look at the definition of the actor behaviors, messages and how. Optionally, scalasca v2 can be configured to use the following support libraries. We spend countless hours researching various file formats and software that can open, convert, create or otherwise work with those files. Here ill describe how to install scalasca with converters support. Take a look at the definition of the actor behaviors, messages and how to start up an actorsystem. Make sure you can compile c or fortran programs using a compiler or a development environment. If you dont have it installed, download java from oracle java 8, oracle java 11, or adoptopenjdk 811. Follow these instructions to create a project with the mpi compiler and library.
Our antivirus scan shows that this download is safe. With this advantage we can take c and fortran programmers from serial programming to successful parallelization of exercises in a half day, assuming only introductory knowledge, but also providing a useful experience for intermediate parallel programmers. The analysis identifies potential performance bottlenecks in particular those concerning communication and synchronization and offers guidance in exploring their causes. Search for scala on givero search external link about file types supported by scala. Setup introduction to parallel programming with mpi github pages. An autotuning system is capable of adapting source code based on con gu. Scalasca 11, v ampir 12, hpct oolkit, craypat 14, active harmony 15, among others to provide coherent access to performance counters that can be found on a wide. First, make sure you have the java 8 jdk or java 11 jdk installed.
Scalasca is an opensource performance analysis tool set specifically designed for use on largescale systems, including ibm blue gene and cray xt systems. Analysing the scalability of climate codes using new features. Release notes log in required the complete history of changes to the scala. The example measurements available for download on the scalasca. Scalasca is a software tool that supports the performance optimization of parallel programs by measuring and analyzing their runtime behavior. They are all defined in a class that is imported by default scala.
A generic and configurable sourcecode instrumentation. It is licensed under the bsdstyle license scalasca is mostly used for profiling scientific and engineering applications using openmp andor mpi. To make measurements with scalasca, user application programs need to be instru mented. I utilized cube gui as well as apis from scalasca and performed conversion from my own tracing format to cubes or scalascas epilog format to be able to use cube. Scalasca uses a highly scalable eventtrace replay mechanism for its analysis. Pdf scalable tools for nonintrusive performance debugging. Oct 08, 2012 scalasca and trace conversion tools in my upc related project i tightly worked with tool called scalasca. The scala tutorials in this section provide a list of key concepts to learn scala programming. Parallel performance evaluation tools from the vihps virtual institute high productivity supercomputing are introduced and featured in handson exercises with scalasca, vampir and tau. Scalasca supports an incremental performance analysis procedure that integrates runtime summaries with indepth studies of concurrent behavior via event tracing, adopting a strategy of. Usage is primarily via the scalasca command with appropriate action.
I ran a few tests last night in the scala repl to see if i could think of different ways to download the contents of a url to a string or file in scala, and came up with a couple of different solutions, which ill share here download url contents to a string in scala. By downloading and using this software you automatically agree to comply with the regulations as described in the scalasca v2 license agreement unlike scalasca 1. Hereby, the trace for every process is stored in a separate. Setup introduction to parallel programming with mpi. Scalasca is an open source application for profiling mpi programs. A comprehensive stepbystep guide, 2nd edition 2011 by martin odersky, lex spoon, bill venners. I prefer to install scalasca without cube, and then install cube separately. Scalable tools for nonintrusive performance debugging of. A generic and configurable sourcecode instrumentation component.
I ran a few tests last night in the scala repl to see if i could think of different ways to download the contents of a url to a string or file in scala, and came up with a couple of different solutions, which ill share here. For security reasons it is highly recommended that users transfer files between local workstations and either discover or dirac mass storage, using the bastion service direct mode described below command line file transfer. Analysing the scalability of climate codes using new. For example, communication time is a subset of execution time.
In this paper, we introduce the open trace format version 2 otf2. Lets analyze it just to make sure we all are in the same page. We present the complete workflow of performance engineering, including instrumentation, measurement profiling and tracing, timing and papi counters. In my upc related project i tightly worked with tool called scalasca. This software is a product of scala business solutions nv. This reduces the gain of the often tedious optimization process for a speci c architecture, as these changes introduce limitations to what hardware that can be used if maximum performance is desired. Scala tutorial learn how to create val function val vs def. All available versions the scala programming language. Scala how to download url contents to a string or file. File transfer from user to the discover cluster nasa center. How do i download the contents of a url to a string or file in scala.
169 420 1405 228 340 52 1163 1177 1547 1268 771 1628 747 291 1629 828 702 1658 596 463 1227 331 711 1590 672 1092 166 1469 1250 335 760 1226 54 777 814 1509 672 503 1105 224 862 636 981 1289 941