software engineering tools and environments a roadmap

... and a great deal... applications to be processed in parallel and thus Tools and Environments for Parallel and Distributed Computing, Edited by Salim Hariri and Manish Parashar ... and application components, and the heterogeneity of the software tools and environments However, recent advances in processing and network technology and software tools have addressed ... and limitations of these tools and environments Consequently, this... outlines parallel and distributed computing approaches and paradigms and the opportunities and challenges

Ngày tải lên: 13/08/2014, 12:21

... communication models. Parallel and distributed computations can be described in terms of two para- digms: functional parallel and data parallel paradigms. In functional par- allel paradigm, the ... message-passing tools support a data-parallel programming model such as ACS [1,2], MPI, p4, and PVM. There are some message-passing tools, such as ACS, MPI, and PVM, that offer functional programming. ... putational tasks associated with a given application. These mechanisms can be broadly classified into three models: data parallel, functional par- allel, and object-oriented models. Most message-passing

Ngày tải lên: 13/08/2014, 12:21

... International Workshop on Cluster Computing Technologies, Environments, and Applications (CC-TEA’2000), Las Vegas, NV, June 2000 2 I Ra, S Hariri, and C Raghavendra, An adaptive communication ... R Hofman, K Langendoen, H Bal, and F Kaashoek, Panda: a portable platform to support parallel programming languages, Proceedings of the Symposium on Experiences with Distributed and Microprocessor ... when transmitting small messages, as shown in Figures 2.12 and 2.13 (message size 1 byte and 1kB). The MPI primitive [MPI_Bcast()] shows a performance comparable to that of ACS and p4 for relatively

Ngày tải lên: 13/08/2014, 12:21

... synchronization operation signals other processes that shared data are available, while an acquiring operation signals that shared data are needed. In an entry consistency model, data are guarded ... operations Objects are... data, and pushing of data to remote processors SAM deals only with management and communication of shared data; data that are completely local to a processor can ... global physical address and updates the node’s page table The Stanford DASH and SGI Origin systems implement the CC-NUMA protocol CC-NUMA (a) Local and remote data P+C Local... TreadMarks [5]

Ngày tải lên: 13/08/2014, 12:21

... standard manner. IDL [5] is a declarative language and its grammar is an extension of a subset of the ANSI C++ standard.The IDL interfaces are similar to the inter- faces in Java and abstract classes ... Definition Language (IDL) interface. Servants can be implemented in various languages, such as C, C++, Java, Smalltalk, and Ada. The servants exist in the context of a server and are located and invoked ... them an inherent object-oriented appearance and allows objects to interact with all the features of Java, such as JNI and JDBC. It also means that a server object can be run and accessed from any

Ngày tải lên: 13/08/2014, 12:21

... SyncBufferRMI.java javac SyncBufferRMIImpl.java rmic SyncBufferRMIImpl javac SyncBufferManagerRMI.java javac SyncBufferManagerRMIImpl.java rmic SyncBufferManagerRMIImpl javac SyncBufferRMIServer.java javac ... java : \$(MAKE) -f Makefile.java clean_java : \$(MAKE) -f Makefile.java clean Makefile.java: .SUFFIXES: .java .class .idl .module .java.class: vbjc \$< .idl.module: idl2java \$< touch ... in a plain Java code. The command java2com converts a Java server implementation code to the corre- sponding COM IDL. The command com2java allows us to convert a type library (.tlb) into a Java

Ngày tải lên: 13/08/2014, 12:21

... MatrixRMIClient Makefile: Makefile.java default: javac ProcessorRMI.java javac ProcessorRMIImpl.java rmic ProcessorRMIImpl javac MatrixRMI.java javac MatrixManagerRMI.java javac MatrixRMIImpl.java ... column MatMult.MatrixCorba matrixA = manager.createNewMatrix (rowsA,colsA); MatMult.MatrixCorba matrixB = manager.createNewMatrix (rowsB,colsB); //Populate matrices A and B matrixA.populateMatrix(); ... MatrixRMIImpl.java javac MatrixManagerRMIImpl.java EXAMPLES 125 rmic MatrixRMIImpl rmic MatrixManagerRMIImpl javac MatrixRMIServer.java javac ProcessorRMIServer.java javac SyncBufferRMIClient.java clean:

Ngày tải lên: 13/08/2014, 12:21

... has advanced dramati- cally. Communication satellites and the Internet enable remote access to regional and international databases and sensor networks. Collaborative infra- structures (such as ... corporate... performed at the partner sites through the National Computational Science Alliance (Alliance) [9,10,76] and the National Partnership for Advanced Computational Infrastructure (NPACI) ... select the appropriate resources and applications The availability of such information is important for the maintenance, configuration, and use of the heterogeneous and dynamically changing

Ngày tải lên: 13/08/2014, 12:21

... resources and accessing replicated datasets. The SRB software includes a C client library, a metadata server based on relational database technology, and a set of Unix-like command line utilities that ... managed by various database management systems such as DB2, Oracle, and Illustra. SRB enables access to datasets and resources based on their attributes rather than their names or physical locations. ... bandwidth and latency, available CPU percentage, and available nonpaged memory. The forecast models include mean-based methods, which use some estimate of the sample mean as a forecast; median-

Ngày tải lên: 13/08/2014, 12:21

... model: application specifications. nents: (1) analyzing historical data and generating model parameters, and (2) accepting market information and user inputs to generate market variables and estimation ... different algorithms for a problem and to make an appropriate selection • Algorithm mapping: the assignment of the parallel algorithm to an appropriate HPC system based on algorithm classification and ... tractable and can handle early exercise. Models using constant volatility (as opposed to treating volatility as a stochastic process) lack accuracy but are simple and easy to compute. Modeling American

Ngày tải lên: 13/08/2014, 12:21

... Klebanov Rustan Leino Tiziana Margaria David Naumann Nadia Polikarpova Kristin Yvonne Rozier Natarajan Shankar Natasha Sharygina Richard Trefler Michael Whalen Naijun Zhan NICTA and UNSW, Australia ... invited talks, given by Zachary Tatlock (Washington), Mark Lawford (McMaster), Kristin Yvonne Rozier (Iowa State), Michael Tautschnig (Amazon), and Oksana Tkachuk (NASA Ames) The volume includes abstracts ... Australia Inria, France Microsoft Research, USA IRISA, France University of Toronto, Canada Amazon, USA Indian Institute of Science, Bangalore, India CNRS, France University of Waterloo, Canada Software

Ngày tải lên: 14/05/2018, 15:09

... quantitative measures that are easier to obtain Data was collected on major change, completion to degree percentage, grade point average (GPA), number of quarters on Academic Probation (AP) and ... First Generation students are targeted and all PEEPS are automatically enrolled.9 The course highlights academic skills and resources, and provides navigational capacity.10 Course goals include ... reflections that aid in student development, as well as ample academic and personal support, are part of the program Some preliminary quantitative comparisons are made between the PEEPS and other

Ngày tải lên: 30/10/2022, 18:11

... — Measured service: resources are measured and paid for on a usage basis — Multi-tenancy: physical and virtual resources are allocated to multiple tenants, and their computations and data are ... — Rapid elasticity and scalability: resources are increased or decreased rapidly and elastically, and scalable horizontally and vertically — Resource pooling: physical or virtual resources are ... “a cloud service's parameters” and “in SLA (Service Level Agreement)” has been added] 3.1.1.4 scalability degree to which physical and virtual resources are available automatically and immediately,

Ngày tải lên: 09/03/2024, 16:51

... cash flow analysis She explains the assumptions that each of these approaches requires as a condition of applicability, and the advantages and disadvantages of each [78] The options pricing approach ... cost estimation models, and indicated that each had at least passed a market test for value by remaining economically viable over at least a decade Their relative accuracy remains a difficult ... treat software development as an investment activity, and look for real improvements by modeling, analyzing, and managing it as such We take active investment management as a central part of an approach

Ngày tải lên: 30/08/2017, 16:58

... purpose and contribution of this book have been to help make financial/economic analysis a practical, understandable and usable process for managers and analysts, and we argue with conviction that applying ... the mechanical aspects of analysis. An entirely new feature is the optional availability of the advanced, knowl- edge-based financial analysis software package, Financial Genome, created by hel78340_FM.qxd ... Financial Analysis: Tools and Techniques production, carefully calibrated against quality standards and relative contribution from products and services, or cost effectiveness standards that...

Ngày tải lên: 24/01/2014, 00:20

... customers. Some have large research staffs, large national operations, and are prepared to service almost any kind of financial transaction you may need. Others are small and may specialize in promoting ... ask questions about how and how much your adviser is being paid. And if the fee is quoted to you as a percentage, make sure that you understand what that translates to in dollars. A ROADMAP ... you paid. And sometimes, your money can do both at the same time— earn a steady paycheck and increase in value. 4 | SAVING AND INVESTING Your First Step—Making a Financial Plan What are the things...

Ngày tải lên: 06/03/2014, 10:20

... of a particular software tool for an application development is nontrivial. Factors 11 Tools and Environments for Parallel and Distributed Computing, Edited by Salim Hariri and Manish Parashar ISBN ... share the communication link with each other.As Thekkath, Levy, and Lazowska did for distributed operating systems [66], we designate a channel for control and management and a data channel, and ... support adaptive group communication services, ACS use two types of algorithms: resource aware scheduling algorithm (RAA) and application aware scheduling algorithm (AAA). RAA uses network characteristics...

Ngày tải lên: 06/03/2014, 19:20

... the gaps missed in their application. Six Sigma is a methodology to manage process variations that use data and statistical analysis to measure and improve a company’s operational performance. ... on actual program behavior. Also standards used to inappropriate software processes may reduce productivity and, ultimately, quality. Software system standards can improve quality through many ... these standard organizations. Software engineering process technology (SEPT) has posted the most popular software Quality standards. 4 Table 1.2 shows the most popular software Quality standards. 1.5...

Ngày tải lên: 17/03/2014, 19:20

... CONCEPTS TABLE 1.2 Shows the Most Popular Software Quality Standards Quality Standard Name and Use AIAA R-013 Recommended Practice for Software Reliability ANSI/IEEE Std 730-1984 and 983-1986 Software ... on actual program behavior. Also standards used to inappropriate software processes may reduce productivity and, ultimately, quality. Software system standards can improve quality through many ... MDD, software can become more verifiable, scalable, maintainable, and cheaper. 2.3.1.10.6 Disadvantages r Challenges in modeling languages, separation of concerns, model management, and model manipulation. r Too...

Ngày tải lên: 30/03/2014, 03:20